[W3GV] Fw: [Roosternet] WARNING: Geomagnetic K-index of 4 expected

[Lee Williams]

----- Original Message ----- 
From: w3jkc 
To: ROOSTER NET YAHOO 
Sent: Wednesday, November 21, 2012 6:30 PM
Subject: [Roosternet] WARNING: Geomagnetic K-index of 4 expected


  



Space Weather Message Code: WARK04
Serial Number: 2031
Issue Time: 2012 Nov 21 0228 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 2030
Valid From: 2012 Nov 20 1953 UTC
Now Valid Until: 2012 Nov 21 0600 UTC
Warning Condition: Persistance

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/NOAAscales

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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