Space Weather Alerts

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K04A 2024-10-07 17:38:51.890

  • Issued: Mon, 07 Oct 2024 17:38:51 +0000
  • Space Weather Message Code: ALTK04
    Serial Number: 2481
    Issue Time: 2024 Oct 07 1738 UTC
    
    ALERT: Geomagnetic K-index of 4
     Threshold Reached: 2024 Oct 07 1731 UTC
    Synoptic Period: 1500-1800 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.                                

K05W 2024-10-07 13:38:58.100

  • Issued: Mon, 07 Oct 2024 13:38:58 +0000
  • Space Weather Message Code: WARK05
    Serial Number: 1939
    Issue Time: 2024 Oct 07 1338 UTC
    
    EXTENDED WARNING: Geomagnetic K-index of 5 expected
    Extension to Serial Number: 1938
    Valid From: 2024 Oct 06 2220 UTC
    Now Valid Until: 2024 Oct 07 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 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.                                

K04W 2024-10-07 13:38:04.240

  • Issued: Mon, 07 Oct 2024 13:38:04 +0000
  • Space Weather Message Code: WARK04
    Serial Number: 4714
    Issue Time: 2024 Oct 07 1338 UTC
    
    EXTENDED WARNING: Geomagnetic K-index of 4 expected
    Extension to Serial Number: 4713
    Valid From: 2024 Oct 06 1506 UTC
    Now Valid Until: 2024 Oct 08 0000 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.                                

K06A 2024-10-07 13:34:46.390

  • Issued: Mon, 07 Oct 2024 13:34:46 +0000
  • Space Weather Message Code: ALTK06
    Serial Number: 599
    Issue Time: 2024 Oct 07 1334 UTC
    
    ALERT: Geomagnetic K-index of 6
     Threshold Reached: 2024 Oct 07 1328 UTC
    Synoptic Period: 1200-1500 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.                                

K06W 2024-10-07 13:33:45.073

  • Issued: Mon, 07 Oct 2024 13:33:45 +0000
  • Space Weather Message Code: WARK06
    Serial Number: 547
    Issue Time: 2024 Oct 07 1333 UTC
    
    WARNING: Geomagnetic K-Index of 6 expected
    Valid From: 2024 Oct 07 1332 UTC
    Valid To: 2024 Oct 07 1800 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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