NOAA / Space Weather Prediction Center
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Space Weather Alerts |
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Space Weather Message Code: WARK04
Serial Number: 2047
Issue Time: 2013 Feb 14 1157 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 2046
Valid From: 2013 Feb 13 2319 UTC
Now Valid Until: 2013 Feb 14 1800 UTC
Warning Condition: Persistence
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.
Space Weather Message Code: WARK05
Serial Number: 822
Issue Time: 2013 Feb 14 0347 UTC
CANCEL WARNING: Geomagnetic K-index of 5 expected
Cancel Serial Number: 821
Original Issue Time: 2013 Feb 13 2339 UTC
Comment: Conditions for this warning no longer exist.
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.
Space Weather Message Code: WARK05
Serial Number: 821
Issue Time: 2013 Feb 13 2339 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2013 Feb 13 2338 UTC
Valid To: 2013 Feb 14 0600 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor
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.
Space Weather Message Code: ALTK04
Serial Number: 1625
Issue Time: 2013 Feb 13 2327 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2013 Feb 13 2325 UTC
Synoptic Period: 2100-2400 UTC
Active Warning: Yes
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.
Space Weather Message Code: WARK04
Serial Number: 2046
Issue Time: 2013 Feb 13 2320 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2013 Feb 13 2319 UTC
Valid To: 2013 Feb 14 1200 UTC
Warning Condition: Onset
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.
Space Weather Message Code: WATA20
Serial Number: 511
Issue Time: 2013 Feb 07 1721 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Feb 08: G1 (Minor) Feb 09: None (Below G1) Feb 10: None (Below G1)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
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.
Space Weather Message Code: ALTTP4
Serial Number: 401
Issue Time: 2013 Feb 06 0113 UTC
ALERT: Type IV Radio Emission
Begin Time: 2013 Feb 06 0017 UTC
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.
Space Weather Message Code: ALTTP2
Serial Number: 837
Issue Time: 2013 Feb 06 0111 UTC
ALERT: Type II Radio Emission
Begin Time: 2013 Feb 06 0013 UTC
Estimated Velocity: 548 km/s
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.
Space Weather Message Code: ALTTP2
Serial Number: 836
Issue Time: 2013 Feb 04 1710 UTC
ALERT: Type II Radio Emission
Begin Time: 2013 Feb 04 1502 UTC
Estimated Velocity: 849 km/s
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.
Space Weather Message Code: WARK04
Serial Number: 2045
Issue Time: 2013 Feb 02 1904 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2013 Feb 02 1930 UTC
Valid To: 2013 Feb 03 0300 UTC
Warning Condition: Onset
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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