Space Weather Alerts

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A20F 2023-03-12 11:27:11.250

  • Issued: Sun, 12 Mar 2023 11:27:11 +0000
  • Space Weather Message Code: WATA20
    Serial Number: 937
    Issue Time: 2023 Mar 12 1127 UTC
    
    WATCH: Geomagnetic Storm Category G1 Predicted
    
    Highest Storm Level Predicted by Day:
    Mar 13:  None (Below G1)   Mar 14:  None (Below G1)   Mar 15:  G1 (Minor)
    
    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.                                

EF3A 2023-03-10 15:43:29.150

  • Issued: Fri, 10 Mar 2023 15:43:29 +0000
  • Space Weather Message Code: ALTEF3
    Serial Number: 3307
    Issue Time: 2023 Mar 10 1543 UTC
    
    CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
    Continuation of Serial Number: 3306
    Begin Time: 2023 Feb 28 2155 UTC
    Yesterday Maximum 2MeV Flux: 1943 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.                                

K04W 2023-03-10 05:55:18.247

  • Issued: Fri, 10 Mar 2023 05:55:18 +0000
  • Space Weather Message Code: WARK04
    Serial Number: 4311
    Issue Time: 2023 Mar 10 0555 UTC
    
    EXTENDED WARNING: Geomagnetic K-index of 4 expected
    Extension to Serial Number: 4310
    Valid From: 2023 Mar 10 0038 UTC
    Now Valid Until: 2023 Mar 10 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.                                

K04A 2023-03-10 01:15:08.377

  • Issued: Fri, 10 Mar 2023 01:15:08 +0000
  • Space Weather Message Code: ALTK04
    Serial Number: 2349
    Issue Time: 2023 Mar 10 0115 UTC
    
    ALERT: Geomagnetic K-index of 4
    Threshold Reached: 2023 Mar 10 0106 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.                                

K04W 2023-03-10 00:38:40.173

  • Issued: Fri, 10 Mar 2023 00:38:40 +0000
  • Space Weather Message Code: WARK04
    Serial Number: 4310
    Issue Time: 2023 Mar 10 0038 UTC
    
    WARNING: Geomagnetic K-index of 4 expected
    Valid From: 2023 Mar 10 0038 UTC
    Valid To: 2023 Mar 10 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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