Message:19325 In: SPACWX.USA
From: N4SDDate: Sat, 21 Mar 26 07:57:00 Z
Newsgroups: SPACWX.USA
Subject: Space Weather Message Code: ALTK05
Message-ID: <9466_N4SD>
Path: K7EK|K7EK|WW6Q|W9GM|KA3BVJ|N3IP|KA3VSP|N4SD
R:260321/1141z @:K7EK.#NOKY.KY.USA.NOAM $:9466_N4SD
R:260321/1141Z 44299@K7EK.#NOKY.KY.USA.NOAM BPQ6.0.25
R:260321/1141Z 49543@WW6Q.#NEIN.IN.USA.NOAM LinBPQ6.0.25
R:260321/1140Z 55277@W9GM.#SWWI.WI.USA.NOAM BPQ6.0.25
R:260321/1140Z 78954@KA3BVJ.#EPA.PA.USA.NOAM BPQ1.4.65
R:260321/1140Z 64205@N3IP.#SEPA.PA.USA.NOAM BPQK6.0.24
R:260321/1137Z 55861@KA3VSP.DE.USA.NOAM BPQ6.0.25
R:260321/0757Z 9466@N4SD.#TIDE.VA.USA.NOAM BPQ6.0.24
WOXX11 KWNP 210756
ALTK05
Space Weather Message Code: ALTK05
Serial Number: 1983
Issue Time: 2026 Mar 21 0753 UTC
ALERT: Geomagnetic K-index of 5
Synoptic Period: 0600-0900 UTC
Active Warning: Yes
NOAA Scale: G1 - Minor
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.
# 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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