3-Day Forecast




[0] 3-Day Forecast

投稿者: JH3XCU 投稿日:2019年11月23日(土)07時55分5秒 

Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center.
Updated every day, 00:30 and 12:30 UTC.
https://services.swpc.noaa.gov/text/3-day-forecast.txt
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[686] Issued: 2020 Oct 27 0030 UTC

投稿者: JH3XCU 投稿日:2020年10月27日(火)10時34分31秒  返信

:Product: 3-Day Forecast
:Issued: 2020 Oct 27 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 4 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 27-Oct 29 2020 is 4 (below NOAA
Scale levels).

NOAA Kp index breakdown Oct 27-Oct 29 2020

            Oct 27     Oct 28     Oct 29
00-03UT        4          3          3
03-06UT        3          3          2
06-09UT        3          3          2
09-12UT        3          2          2
12-15UT        2          2          2
15-18UT        2          2          2
18-21UT        3          2          2
21-00UT        3          2          2

Rationale: No G1 (Minor) or greater geomagnetic storms are expected.  No
significant transient or recurrent solar wind features are forecast.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 27-Oct 29 2020

              Oct 27  Oct 28  Oct 29
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 27-Oct 29 2020

              Oct 27        Oct 28        Oct 29
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.




[685] Issued: 2020 Oct 26 1230 UTC

投稿者: JH3XCU 投稿日:2020年10月26日(月)21時45分34秒  返信

:Product: 3-Day Forecast
:Issued: 2020 Oct 26 1230 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 4 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 26-Oct 28 2020 is 5 (NOAA Scale
G1).

NOAA Kp index breakdown Oct 26-Oct 28 2020

            Oct 26     Oct 27     Oct 28
00-03UT        2          4          3
03-06UT        4          3          3
06-09UT        3          3          3
09-12UT        3          3          2
12-15UT        3          2          2
15-18UT        4          2          2
18-21UT        5 (G1)     3          2
21-00UT        4          3          2

Rationale: G1 (Minor) geomagnetic storm levels are likely on 26 Oct due
to CH HSS activity.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 26-Oct 28 2020

              Oct 26  Oct 27  Oct 28
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 26-Oct 28 2020

              Oct 26        Oct 27        Oct 28
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.



[684] Issued: 2020 Oct 26 0030 UTC

投稿者: JH3XCU 投稿日:2020年10月26日(月)09時35分11秒  返信

:Product: 3-Day Forecast
:Issued: 2020 Oct 26 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 4 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 26-Oct 28 2020 is 5 (NOAA Scale
G1).

NOAA Kp index breakdown Oct 26-Oct 28 2020

            Oct 26     Oct 27     Oct 28
00-03UT        3          4          3
03-06UT        4          3          3
06-09UT        3          3          3
09-12UT        3          3          2
12-15UT        3          2          2
15-18UT        4          2          2
18-21UT        5 (G1)     3          2
21-00UT        4          3          2

Rationale: G1 (Minor) geomagnetic storm levels are likely on 26 Oct due
to CH HSS activity.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 26-Oct 28 2020

              Oct 26  Oct 27  Oct 28
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 26-Oct 28 2020

              Oct 26        Oct 27        Oct 28
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.



[683] Issued: 2020 Oct 25 1230 UTC

投稿者: JH3XCU 投稿日:2020年10月26日(月)04時36分14秒  返信

:Product: 3-Day Forecast
:Issued: 2020 Oct 25 1230 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 3 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 25-Oct 27 2020 is 5 (NOAA Scale
G1).

NOAA Kp index breakdown Oct 25-Oct 27 2020

            Oct 25     Oct 26     Oct 27
00-03UT        3          3          4
03-06UT        2          4          3
06-09UT        3          3          3
09-12UT        3          4          3
12-15UT        2          3          2
15-18UT        3          3          2
18-21UT        3          5 (G1)     3
21-00UT        3          3          3

Rationale: G1 (Minor) geomagnetic storm levels are likely on 26 Oct due
to CH HSS activity.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 25-Oct 27 2020

              Oct 25  Oct 26  Oct 27
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 25-Oct 27 2020

              Oct 25        Oct 26        Oct 27
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.



[682] Issued: 2020 Oct 25 0030 UTC

投稿者: JH3XCU 投稿日:2020年10月25日(日)09時47分0秒  返信

:Product: 3-Day Forecast
:Issued: 2020 Oct 25 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 4 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 25-Oct 27 2020 is 5 (NOAA Scale
G1).

NOAA Kp index breakdown Oct 25-Oct 27 2020

            Oct 25     Oct 26     Oct 27
00-03UT        3          3          4
03-06UT        4          4          3
06-09UT        3          5 (G1)     3
09-12UT        3          4          3
12-15UT        2          3          2
15-18UT        3          3          2
18-21UT        3          3          3
21-00UT        3          3          3

Rationale: G1 (Minor) geomagnetic storm levels are likely on 26 Oct due
to CH HSS activity.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 25-Oct 27 2020

              Oct 25  Oct 26  Oct 27
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 25-Oct 27 2020

              Oct 25        Oct 26        Oct 27
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.



[681] Issued: 2020 Oct 24 1230 UTC

投稿者: JH3XCU 投稿日:2020年10月24日(土)21時37分11秒  返信

:Product: 3-Day Forecast
:Issued: 2020 Oct 24 1230 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 4 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 24-Oct 26 2020 is 5 (NOAA Scale
G1).

NOAA Kp index breakdown Oct 24-Oct 26 2020

            Oct 24     Oct 25     Oct 26
00-03UT        4          3          3
03-06UT        4          4          4
06-09UT        4          3          5 (G1)
09-12UT        3          3          4
12-15UT        3          2          3
15-18UT        3          3          3
18-21UT        3          3          3
21-00UT        3          3          3

Rationale: G1 (Minor) or greater geomagnetic storms are expected on 26
Oct due to CH HSS effects.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 24-Oct 26 2020

              Oct 24  Oct 25  Oct 26
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 24-Oct 26 2020

              Oct 24        Oct 25        Oct 26
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.



[680] Issued: 2020 Oct 24 0030 UTC

投稿者: JH3XCU 投稿日:2020年10月24日(土)09時32分49秒  返信

:Product: 3-Day Forecast
:Issued: 2020 Oct 24 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 4 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 24-Oct 26 2020 is 5 (NOAA Scale
G1).

NOAA Kp index breakdown Oct 24-Oct 26 2020

            Oct 24     Oct 25     Oct 26
00-03UT        4          3          3
03-06UT        5 (G1)     4          4
06-09UT        4          3          5 (G1)
09-12UT        3          3          4
12-15UT        3          2          3
15-18UT        3          3          3
18-21UT        3          3          3
21-00UT        3          3          3

Rationale: G1 (Minor) geomagnetic storm conditions are expected on 24
Oct and likely on 26 Oct due to CH HSS activity.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 24-Oct 26 2020

              Oct 24  Oct 25  Oct 26
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 24-Oct 26 2020

              Oct 24        Oct 25        Oct 26
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.



[679] Issued: 2020 Oct 23 1231 UTC

投稿者: JH3XCU 投稿日:2020年10月24日(土)04時39分7秒  返信

:Product: 3-Day Forecast
:Issued: 2020 Oct 23 1231 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 2 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 23-Oct 25 2020 is 5 (NOAA Scale
G1).

NOAA Kp index breakdown Oct 23-Oct 25 2020

            Oct 23     Oct 24     Oct 25
00-03UT        1          3          3
03-06UT        1          4          4
06-09UT        1          3          3
09-12UT        0          3          3
12-15UT        1          2          2
15-18UT        3          3          3
18-21UT        4          3          3
21-00UT        5 (G1)     3          3

Rationale: G1 (Minor) levels likely on 23 Oct, due to
influences from a series of CH HSS.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 23-Oct 25 2020

              Oct 23  Oct 24  Oct 25
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 23-Oct 25 2020

              Oct 23        Oct 24        Oct 25
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.



[678] Issued: 2020 Oct 23 0032 UTC

投稿者: JH3XCU 投稿日:2020年10月23日(金)09時34分41秒  返信

:Product: 3-Day Forecast
:Issued: 2020 Oct 23 0032 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 3 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 23-Oct 25 2020 is 5 (NOAA Scale
G1).

NOAA Kp index breakdown Oct 23-Oct 25 2020

            Oct 23     Oct 24     Oct 25
00-03UT        4          3          3
03-06UT        5 (G1)     4          4
06-09UT        4          3          3
09-12UT        4          3          3
12-15UT        3          2          2
15-18UT        3          3          3
18-21UT        2          3          3
21-00UT        3          3          3

Rationale: G1 (Minor) or greater geomagnetic storms are expected on 23
Oct with CH HSS activity. No significant transient or recurrent solar
wind features are forecast.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 23-Oct 25 2020

              Oct 23  Oct 24  Oct 25
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 23-Oct 25 2020

              Oct 23        Oct 24        Oct 25
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.



[677] Issued: 2020 Oct 22 1230 UTC

投稿者: JH3XCU 投稿日:2020年10月23日(金)04時22分16秒  返信

:Product: 3-Day Forecast
:Issued: 2020 Oct 22 1230 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 3 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 22-Oct 24 2020 is 5 (NOAA Scale
G1).

NOAA Kp index breakdown Oct 22-Oct 24 2020

            Oct 22     Oct 23     Oct 24
00-03UT        3          4          3
03-06UT        1          5 (G1)     4
06-09UT        1          4          3
09-12UT        0          4          3
12-15UT        3          3          2
15-18UT        2          3          3
18-21UT        5 (G1)     2          3
21-00UT        3          3          3

Rationale: G1 (Minor) levels are likely on 22-23 Oct, due to influences
from a series of extensions from the northern crown CH HSS.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 22-Oct 24 2020

              Oct 22  Oct 23  Oct 24
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 22-Oct 24 2020

              Oct 22        Oct 23        Oct 24
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.



[676] Issued: 2020 Oct 22 0030 UTC

投稿者: JH3XCU 投稿日:2020年10月22日(木)09時32分49秒  返信

:Product: 3-Day Forecast
:Issued: 2020 Oct 22 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 4 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 22-Oct 24 2020 is 5 (NOAA Scale
G1).

NOAA Kp index breakdown Oct 22-Oct 24 2020

            Oct 22     Oct 23     Oct 24
00-03UT        3          4          3
03-06UT        4          5 (G1)     4
06-09UT        2          4          3
09-12UT        3          4          3
12-15UT        3          3          2
15-18UT        2          3          3
18-21UT        5 (G1)     2          3
21-00UT        3          3          3

Rationale: G1 (Minor) or greater geomagnetic storms are expected on 22
and 23 Oct with CH HSS activity.  No significant transient or recurrent
solar wind features are forecast.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 22-Oct 24 2020

              Oct 22  Oct 23  Oct 24
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 22-Oct 24 2020

              Oct 22        Oct 23        Oct 24
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.



[675] Issued: 2020 Oct 21 1230 UTC

投稿者: JH3XCU 投稿日:2020年10月21日(水)22時57分5秒  返信

:Product: 3-Day Forecast
:Issued: 2020 Oct 21 1230 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 4 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 21-Oct 23 2020 is 5 (NOAA Scale
G1).

NOAA Kp index breakdown Oct 21-Oct 23 2020

            Oct 21     Oct 22     Oct 23
00-03UT        3          4          4
03-06UT        2          5 (G1)     5 (G1)
06-09UT        4          4          4
09-12UT        3          3          4
12-15UT        3          3          3
15-18UT        3          2          3
18-21UT        4          2          2
21-00UT        3          3          3

Rationale: No G1 (Minor) or greater geomagnetic storms are expected.  No
significant transient or recurrent solar wind features are forecast.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 21-Oct 23 2020

              Oct 21  Oct 22  Oct 23
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 21-Oct 23 2020

              Oct 21        Oct 22        Oct 23
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.



[674] Issued: 2020 Oct 21 0030 UTC

投稿者: JH3XCU 投稿日:2020年10月21日(水)09時32分13秒  返信

:Product: 3-Day Forecast
:Issued: 2020 Oct 21 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 2 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 21-Oct 23 2020 is 5 (NOAA Scale
G1).

NOAA Kp index breakdown Oct 21-Oct 23 2020

            Oct 21     Oct 22     Oct 23
00-03UT        1          4          4
03-06UT        2          5 (G1)     5 (G1)
06-09UT        3          4          4
09-12UT        3          3          4
12-15UT        3          3          3
15-18UT        3          2          3
18-21UT        4          2          2
21-00UT        3          3          3

Rationale: G1 (Minor) or greater geomagnetic storms are expected on 22
and 23 Oct with CH HSS activity. No significant transient or recurrent
solar wind features are forecast.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 21-Oct 23 2020

              Oct 21  Oct 22  Oct 23
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 21-Oct 23 2020

              Oct 21        Oct 22        Oct 23
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.



[673] Issued: 2020 Oct 20 1230 UTC

投稿者: JH3XCU 投稿日:2020年10月21日(水)04時59分9秒  返信

:Product: 3-Day Forecast
:Issued: 2020 Oct 20 1230 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 3 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 20-Oct 22 2020 is 5 (NOAA Scale
G1).

NOAA Kp index breakdown Oct 20-Oct 22 2020

            Oct 20     Oct 21     Oct 22
00-03UT        2          3          4
03-06UT        2          4          5 (G1)
06-09UT        1          3          4
09-12UT        1          2          3
12-15UT        2          2          3
15-18UT        2          3          2
18-21UT        2          3          2
21-00UT        3          4          3

Rationale: G1 (Minor) or greater geomagnetic storms are likely on 22 Oct
due to CH HSS influence.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 20-Oct 22 2020

              Oct 20  Oct 21  Oct 22
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 20-Oct 22 2020

              Oct 20        Oct 21        Oct 22
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.



[672] Issued: 2020 Oct 20 0030 UTC

投稿者: JH3XCU 投稿日:2020年10月20日(火)09時39分39秒  返信

:Product: 3-Day Forecast
:Issued: 2020 Oct 20 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 3 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 20-Oct 22 2020 is 5 (NOAA Scale
G1).

NOAA Kp index breakdown Oct 20-Oct 22 2020

            Oct 20     Oct 21     Oct 22
00-03UT        2          3          4
03-06UT        2          4          5 (G1)
06-09UT        2          3          4
09-12UT        2          2          3
12-15UT        2          2          3
15-18UT        2          3          2
18-21UT        2          3          2
21-00UT        3          4          3

Rationale: G1 (Minor) or greater geomagnetic storms are likely on 22 Oct
with a CH HSS. No significant transient or recurrent solar wind features
are forecast.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 20-Oct 22 2020

              Oct 20  Oct 21  Oct 22
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 20-Oct 22 2020

              Oct 20        Oct 21        Oct 22
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.



[671] Issued: 2020 Oct 19 1230 UTC

投稿者: JH3XCU 投稿日:2020年10月20日(火)09時37分45秒  返信

:Product: 3-Day Forecast
:Issued: 2020 Oct 19 1230 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#

A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 2 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 19-Oct 21 2020 is 4 (below NOAA
Scale levels).

NOAA Kp index breakdown Oct 19-Oct 21 2020

            Oct 19     Oct 20     Oct 21
00-03UT        1          2          3
03-06UT        1          2          4
06-09UT        1          2          3
09-12UT        2          2          2
12-15UT        1          2          2
15-18UT        1          2          3
18-21UT        2          2          3
21-00UT        1          3          4

Rationale: No G1 (Minor) or greater geomagnetic storms are expected.  No
significant transient or recurrent solar wind features are forecast.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 19-Oct 21 2020

              Oct 19  Oct 20  Oct 21
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 19-Oct 21 2020

              Oct 19        Oct 20        Oct 21
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.



[669] Issued: 2020 Oct 19 0030 UTC

投稿者: JH3XCU 投稿日:2020年10月19日(月)09時33分43秒  返信

:Product: 3-Day Forecast
:Issued: 2020 Oct 19 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 1 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 19-Oct 21 2020 is 4 (below NOAA
Scale levels).

NOAA Kp index breakdown Oct 19-Oct 21 2020

            Oct 19     Oct 20     Oct 21
00-03UT        2          2          3
03-06UT        2          2          4
06-09UT        1          2          3
09-12UT        1          2          2
12-15UT        1          2          2
15-18UT        1          2          3
18-21UT        2          2          3
21-00UT        1          3          4

Rationale: No G1 (Minor) or greater geomagnetic storms are expected.  No
significant transient or recurrent solar wind features are forecast.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 19-Oct 21 2020

              Oct 19  Oct 20  Oct 21
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 19-Oct 21 2020

              Oct 19        Oct 20        Oct 21
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.



[668] Issued: 2020 Oct 18 1230 UTC

投稿者: JH3XCU 投稿日:2020年10月19日(月)04時45分25秒  返信

:Product: 3-Day Forecast
:Issued: 2020 Oct 18 1230 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 2 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 18-Oct 20 2020 is 3 (below NOAA
Scale levels).

NOAA Kp index breakdown Oct 18-Oct 20 2020

            Oct 18     Oct 19     Oct 20
00-03UT        1          2          2
03-06UT        0          2          2
06-09UT        0          1          2
09-12UT        0          1          2
12-15UT        1          1          2
15-18UT        1          1          2
18-21UT        2          2          2
21-00UT        2          1          3

Rationale: No G1 (Minor) or greater geomagnetic storms are expected.  No
significant transient or recurrent solar wind features are forecast.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 18-Oct 20 2020

              Oct 18  Oct 19  Oct 20
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 18-Oct 20 2020

              Oct 18        Oct 19        Oct 20
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.



[667] Issued: 2020 Oct 18 0030 UTC

投稿者: JH3XCU 投稿日:2020年10月18日(日)09時32分24秒  返信

:Product: 3-Day Forecast
:Issued: 2020 Oct 18 0030 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 2 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 18-Oct 20 2020 is 3 (below NOAA
Scale levels).

NOAA Kp index breakdown Oct 18-Oct 20 2020

            Oct 18     Oct 19     Oct 20
00-03UT        2          2          2
03-06UT        1          2          2
06-09UT        1          1          2
09-12UT        1          1          2
12-15UT        1          1          2
15-18UT        1          1          2
18-21UT        2          2          2
21-00UT        2          1          3

Rationale: No G1 (Minor) or greater geomagnetic storms are expected.  No
significant transient or recurrent solar wind features are forecast.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 18-Oct 20 2020

              Oct 18  Oct 19  Oct 20
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 18-Oct 20 2020

              Oct 18        Oct 19        Oct 20
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.


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