ALERT, WARNING




[0] ALERT, WARNING

投稿者: JH3XCU 投稿日:2020年 5月19日(火)10時40分46秒 

ALERT WARNING
Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
ftp://ftp.swpc.noaa.gov/pub/alerts/current_month.html
ftp://ftp.swpc.noaa.gov/pub/alerts/previous_month.html
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[140] ALERT: Geomagnetic K-index of 4

投稿者: JH3XCU 投稿日:2020年10月27日(火)18時38分31秒  返信

Space Weather Message Code: ALTK04
Serial Number: 2176
Issue Time: 2020 Oct 27 0901 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2020 Oct 27 0859 UTC
Synoptic Period: 0600-0900 UTC

Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.




[139] WARNING: Geomagnetic K-index of 4 expected

投稿者: JH3XCU 投稿日:2020年10月27日(火)18時37分11秒  返信

Space Weather Message Code: WARK04
Serial Number: 3782
Issue Time: 2020 Oct 27 0809 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2020 Oct 27 0808 UTC
Valid To: 2020 Oct 27 1500 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.



[138] ALERT: Electron 2 MeV Integral Flux exceeded 1,000 pfu

投稿者: JH3XCU 投稿日:2020年10月27日(火)14時13分44秒  返信

Space Weather Message Code: ALTEF3
Serial Number: 3072
Issue Time: 2020 Oct 27 0459 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3071
Begin Time: 2020 Oct 25 1320 UTC
Yesterday Maximum 2MeV Flux: 16463 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.



[137] WARNING: Geomagnetic K-index of 4 expected

投稿者: JH3XCU 投稿日:2020年10月27日(火)06時33分36秒  返信

Space Weather Message Code: WARK04
Serial Number: 3781
Issue Time: 2020 Oct 26 1454 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3780
Valid From: 2020 Oct 25 1305 UTC
Now Valid Until: 2020 Oct 26 2100 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.



[136] WARNING: Geomagnetic K-index of 4 expected

投稿者: JH3XCU 投稿日:2020年10月26日(月)17時36分0秒  返信

Space Weather Message Code: WARK04
Serial Number: 3780
Issue Time: 2020 Oct 26 0555 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3779
Valid From: 2020 Oct 25 1305 UTC
Now Valid Until: 2020 Oct 26 1500 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.



[135] ALERT: Electron 2 MeV Integral Flux exceeded 1,000 pfu

投稿者: JH3XCU 投稿日:2020年10月26日(月)17時33分55秒  返信

Space Weather Message Code: ALTEF3
Serial Number: 3071
Issue Time: 2020 Oct 26 0513 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3070
Begin Time: 2020 Oct 25 1320 UTC
Yesterday Maximum 2MeV Flux: 5669 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.



[134] ALERT: Electron 2 MeV Integral Flux exceeded 1,000 pfu

投稿者: JH3XCU 投稿日:2020年10月26日(月)04時39分43秒  返信

Space Weather Message Code: ALTEF3
Serial Number: 3070
Issue Time: 2020 Oct 25 1402 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2020 Oct 25 1320 UTC
Station: GOES16


NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.



[133] ALERT: Geomagnetic K-index of 4

投稿者: JH3XCU 投稿日:2020年10月26日(月)04時38分48秒  返信

Space Weather Message Code: ALTK04
Serial Number: 2175
Issue Time: 2020 Oct 25 1326 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2020 Oct 25 1325 UTC
Synoptic Period: 1200-1500 UTC

Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.



[132] WARNING: Geomagnetic K-index of 4 expected

投稿者: JH3XCU 投稿日:2020年10月26日(月)04時37分51秒  返信

Space Weather Message Code: WARK04
Serial Number: 3779
Issue Time: 2020 Oct 25 1305 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2020 Oct 25 1305 UTC
Valid To: 2020 Oct 26 0600 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.



[131] WARNING: Geomagnetic K-index of 4 expected

投稿者: JH3XCU. 投稿日:2020年10月24日(土)17時48分14秒  返信

Space Weather Message Code: WARK04
Serial Number: 3778
Issue Time: 2020 Oct 24 0845 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3777
Valid From: 2020 Oct 23 1930 UTC
Now Valid Until: 2020 Oct 24 1500 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.



[130] WARNING: Geomagnetic K-index of 5 (G1)

投稿者: JH3XCU 投稿日:2020年10月24日(土)06時38分37秒  返信

Space Weather Message Code: WARK05
Serial Number: 1564
Issue Time: 2020 Oct 23 2055 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2020 Oct 23 2055 UTC
Valid To: 2020 Oct 24 0600 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.



[129] ALERT: Geomagnetic K-index of 4

投稿者: JH3XCU 投稿日:2020年10月24日(土)06時37分7秒  返信

Space Weather Message Code: ALTK04
Serial Number: 2174
Issue Time: 2020 Oct 23 2054 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2020 Oct 23 2054 UTC
Synoptic Period: 1800-2100 UTC

Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.



[128] WARNING: Geomagnetic K-index of 4 expected

投稿者: JH3XCU 投稿日:2020年10月24日(土)04時57分32秒  返信

Space Weather Message Code: WARK04
Serial Number: 3777
Issue Time: 2020 Oct 23 1929 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2020 Oct 23 1930 UTC
Valid To: 2020 Oct 24 0900 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.



[127] ALERT: Geomagnetic K-index of 4

投稿者: JH3XCU 投稿日:2020年10月21日(水)17時46分13秒  返信

Space Weather Message Code: ALTK04
Serial Number: 2173
Issue Time: 2020 Oct 21 0809 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2020 Oct 21 0808 UTC
Synoptic Period: 0600-0900 UTC

Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.



[126] WARNING: Geomagnetic K-index of 4 expected

投稿者: JH3XCU 投稿日:2020年10月21日(水)17時44分54秒  返信

Space Weather Message Code: WARK04
Serial Number: 3776
Issue Time: 2020 Oct 21 0746 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2020 Oct 21 0746 UTC
Valid To: 2020 Oct 21 1500 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.



[125] ALERT: Electron 2 MeV Integral Flux exceeded 1,000 pfu

投稿者: JH3XCU 投稿日:2020年10月11日(日)04時05分0秒  返信

Space Weather Message Code: ALTEF3
Serial Number: 3069
Issue Time: 2020 Oct 10 1739 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2020 Oct 10 1720 UTC
Station: GOES16


NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.



[124] ALERT: Electron 2 MeV Integral Flux exceeded 1,000 pfu

投稿者: JH3XCU 投稿日:2020年10月 8日(木)03時45分26秒  返信

Space Weather Message Code: ALTEF3
Serial Number: 3068
Issue Time: 2020 Oct 07 1503 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2020 Oct 07 1450 UTC
Station: GOES16


NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.



[123] ALERT: Geomagnetic K-index of 4

投稿者: JH3XCU 投稿日:2020年10月 6日(火)15時11分48秒  返信

Space Weather Message Code: ALTK04
Serial Number: 2172
Issue Time: 2020 Oct 06 0602 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2020 Oct 06 0600 UTC
Synoptic Period: 0300-0600 UTC

Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.



[122] WARNING: Geomagnetic K-index of 4 expected

投稿者: JH3XCU 投稿日:2020年10月 6日(火)13時34分57秒  返信

Space Weather Message Code: WARK04
Serial Number: 3775
Issue Time: 2020 Oct 06 0431 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2020 Oct 06 0431 UTC
Valid To: 2020 Oct 06 1200 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.



[121] ALERT: Geomagnetic K-index of 4

投稿者: JH3XCU 投稿日:2020年10月 6日(火)06時37分25秒  返信

Space Weather Message Code: ALTK04
Serial Number: 2171
Issue Time: 2020 Oct 05 2000 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2020 Oct 05 1949 UTC
Synoptic Period: 1800-2100 UTC

Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.


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