Message:18765 In: SPACWX.USA
From: N4SDDate: Fri, 13 Mar 26 04:56:00 Z
Newsgroups: SPACWX.USA
Subject: Space Weather Message Code: ALTK04
Message-ID: <8970_N4SD>
Path: K7EK|NS2B|N3IP|KA3VSP|N4SD
R:260313/1326z @:K7EK.#NOKY.KY.USA.NOAM $:8970_N4SD
R:260313/1326Z 46712@NS2B.#WNY.NY.USA.NOAM BPQ6.0.25
R:260313/1325Z 63757@N3IP.#SEPA.PA.USA.NOAM BPQK6.0.24
R:260313/1325Z 55473@KA3VSP.DE.USA.NOAM BPQ6.0.25
R:260313/0456Z 8970@N4SD.#TIDE.VA.USA.NOAM BPQ6.0.24
WOXX13 KWNP 130456
ALTK04
Space Weather Message Code: ALTK04
Serial Number: 2640
Issue Time: 2026 Mar 13 0454 UTC
ALERT: Geomagnetic K-index of 4
Synoptic Period: 0300-0600 UTC
Active Warning: Yes
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.
# Issued by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Recent messages, data, and help at http://swpc.noaa.gov/alerts/
# Send questions to SWPC.Webmaster@noaa.gov
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73 de Sperry N4SD
N4SD@N4SD.#TIDE.VA.USA.NOAM
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