Сигнали и предупреждения


Съобщения от NOAA SWPC за промени в Космическото време
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Space Weather Message Code: WARK04
Serial Number: 4319
Issue Time: 2023 Mar 22 0555 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4318
Valid From: 2023 Mar 22 0045 UTC
Now Valid Until: 2023 Mar 22 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.
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Space Weather Message Code: ALTK04
Serial Number: 2352
Issue Time: 2023 Mar 22 0237 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2023 Mar 22 0237 UTC
Synoptic Period: 0000-0300 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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Space Weather Message Code: WARK04
Serial Number: 4318
Issue Time: 2023 Mar 22 0045 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2023 Mar 22 0045 UTC
Valid To: 2023 Mar 22 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.
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Space Weather Message Code: WATA30
Serial Number: 214
Issue Time: 2023 Mar 21 2159 UTC

WATCH: Geomagnetic Storm Category G2 Predicted

Highest Storm Level Predicted by Day:
Mar 22: None (Below G1) Mar 23: None (Below G1) Mar 24: G2 (Moderate)

THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT

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

Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
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Space Weather Message Code: ALTK04
Serial Number: 2351
Issue Time: 2023 Mar 20 1512 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2023 Mar 20 1459 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.
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Space Weather Message Code: WARK04
Serial Number: 4317
Issue Time: 2023 Mar 20 1453 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2023 Mar 20 1453 UTC
Valid To: 2023 Mar 21 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.
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Space Weather Message Code: ALTTP4
Serial Number: 592
Issue Time: 2023 Mar 18 0750 UTC

ALERT: Type IV Radio Emission
Begin Time: 2023 Mar 18 0722 UTC

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

Description: Type IV emissions occur in association with major eruptions on the sun and are typically associated with strong coronal mass ejections and solar radiation storms.
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Space Weather Message Code: WARK04
Serial Number: 4316
Issue Time: 2023 Mar 15 2331 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4315
Valid From: 2023 Mar 14 0422 UTC
Now Valid Until: 2023 Mar 16 1200 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.
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Space Weather Message Code: ALTK06
Serial Number: 512
Issue Time: 2023 Mar 15 2322 UTC

ALERT: Geomagnetic K-index of 6
Threshold Reached: 2023 Mar 15 2322 UTC
Synoptic Period: 2100-2400 UTC

Active Warning: Yes
NOAA Scale: G2 - Moderate

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

Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
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Space Weather Message Code: WARK06
Serial Number: 474
Issue Time: 2023 Mar 15 2321 UTC

WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2023 Mar 15 2315 UTC
Valid To: 2023 Mar 16 0600 UTC
Warning Condition: Onset
NOAA Scale: G2 - Moderate

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

Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
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Space Weather Message Code: ALTK05
Serial Number: 1442
Issue Time: 2023 Mar 15 2246 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2023 Mar 15 2246 UTC
Synoptic Period: 2100-2400 UTC

Active Warning: Yes
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.
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Space Weather Message Code: WARK05
Serial Number: 1755
Issue Time: 2023 Mar 15 2245 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2023 Mar 15 2242 UTC
Valid To: 2023 Mar 16 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.
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https://www.swpc.noaa.gov/products/alerts-watches-and-warnings