Сигнали и предупреждения


Съобщения от NOAA SWPC за промени в Космическото време
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Space Weather Message Code: ALTTP2
Serial Number: 1094
Issue Time: 2021 Jul 25 0611 UTC

ALERT: Type II Radio Emission
Begin Time: 2021 Jul 25 0452 UTC
Estimated Velocity: 263 km/s

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

Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.
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Space Weather Message Code: ALTTP2
Serial Number: 1093
Issue Time: 2021 Jul 24 0219 UTC

ALERT: Type II Radio Emission
Begin Time: 2021 Jul 24 0010 UTC
Estimated Velocity: 554 km/s

Comment: Velocity values provided by the U.S. Air Force.

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

Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.
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Space Weather Message Code: ALTK04
Serial Number: 2227
Issue Time: 2021 Jul 22 0901 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2021 Jul 22 0900 UTC
Synoptic Period: 0900-1200 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: 3918
Issue Time: 2021 Jul 22 0852 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021 Jul 22 0851 UTC
Valid To: 2021 Jul 22 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.
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Space Weather Message Code: WATA20
Serial Number: 897
Issue Time: 2021 Jul 21 2029 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Jul 22: None (Below G1) Jul 23: G1 (Minor) Jul 24: None (Below G1)

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 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: ALTTP2
Serial Number: 1092
Issue Time: 2021 Jul 17 0608 UTC

ALERT: Type II Radio Emission
Begin Time: 2021 Jul 17 0510 UTC
Estimated Velocity: 439 km/s

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

Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.
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Space Weather Message Code: ALTK04
Serial Number: 2226
Issue Time: 2021 Jul 14 1641 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2021 Jul 14 1631 UTC
Synoptic Period: 1500-1800 UTC

Active Warning: No

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: 3917
Issue Time: 2021 Jul 14 1639 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021 Jul 14 1639 UTC
Valid To: 2021 Jul 15 0300 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: ALTTP2
Serial Number: 1091
Issue Time: 2021 Jul 09 1203 UTC

ALERT: Type II Radio Emission
Begin Time: 2021 Jul 09 1048 UTC
Estimated Velocity: 745 km/s

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

Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.
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Space Weather Message Code: ALTTP2
Serial Number: 1090
Issue Time: 2021 Jul 03 1624 UTC

ALERT: Type II Radio Emission
Begin Time: 2021 Jul 03 1437 UTC
Estimated Velocity: 357 km/s

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

Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.
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Space Weather Message Code: SUMX01
Serial Number: 118
Issue Time: 2021 Jul 03 1500 UTC

SUMMARY: X-ray Event exceeded X1
Begin Time: 2021 Jul 03 1418 UTC
Maximum Time: 2021 Jul 03 1429 UTC
End Time: 2021 Jul 03 1434 UTC
X-ray Class: X1.5
Optical Class: sf
Location: N25W86
NOAA Scale: R3 - Strong

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

Potential Impacts: Area of impact consists of large portions of the sunlit side of Earth, strongest at the sub-solar point.
Radio - Wide area blackout of HF (high frequency) radio communication for about an hour.
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Space Weather Message Code: ALTXMF
Serial Number: 274
Issue Time: 2021 Jul 03 1434 UTC

ALERT: X-Ray Flux exceeded M5
Threshold Reached: 2021 Jul 03 1427 UTC
NOAA Scale: R2 - Moderate

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

Potential Impacts: Area of impact centered on sub-solar point on the sunlit side of Earth. Extent of blackout of HF (high frequency) radio communication dependent upon current X-ray Flux intensity. For real-time information on affected area and expected duration please see http://www.swpc.noaa.gov/products/d-region-absorption-predictions-d-rap.
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https://www.swpc.noaa.gov/products/alerts-watches-and-warnings