Space Weather Alerts

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K05W 2023-10-21 04:22:17.540

  • Issued: Sat, 21 Oct 2023 04:22:17 +0000
  • Space Weather Message Code: WARK05
    Serial Number: 1818
    Issue Time: 2023 Oct 21 0422 UTC
    
    WARNING: Geomagnetic K-index of 5 expected
    Valid From: 2023 Oct 21 0421 UTC
    Valid To: 2023 Oct 21 1200 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.                                

K04A 2023-10-21 02:39:37.450

  • Issued: Sat, 21 Oct 2023 02:39:37 +0000
  • Space Weather Message Code: ALTK04
    Serial Number: 2405
    Issue Time: 2023 Oct 21 0239 UTC
    
    ALERT: Geomagnetic K-index of 4
    Begin Time: 2023 Oct 21 0238 UTC
     0000-0300 UTC
     
    
    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 2023-10-21 01:35:17.707

  • Issued: Sat, 21 Oct 2023 01:35:17 +0000
  • Space Weather Message Code: WARK04
    Serial Number: 4474
    Issue Time: 2023 Oct 21 0135 UTC
    
    WARNING: Geomagnetic K-index of 4 expected
    Valid From: 2023 Oct 21 0135 UTC
    Valid To: 2023 Oct 21 1200 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.                                

K04A 2023-10-19 06:04:20.423

  • Issued: Thu, 19 Oct 2023 06:04:20 +0000
  • Space Weather Message Code: ALTK04
    Serial Number: 2404
    Issue Time: 2023 Oct 19 0604 UTC
    
    ALERT: Geomagnetic K-index of 4
    Begin Time: 2023 Oct 19 0559 UTC
     0600-0900 UTC
     
    
    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 2023-10-19 04:10:02.283

  • Issued: Thu, 19 Oct 2023 04:10:02 +0000
  • Space Weather Message Code: WARK04
    Serial Number: 4473
    Issue Time: 2023 Oct 19 0410 UTC
    
    WARNING: Geomagnetic K-index of 4 expected
    Valid From: 2023 Oct 19 0409 UTC
    Valid To: 2023 Oct 19 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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