Message:22421 In: SPACWX.USA
From: N4SDDate: Fri, 15 May 26 13:06:00 Z
Newsgroups: SPACWX.USA
Subject: Space Weather Message Code: ALTK04
Message-ID: <13270_N4SD>
Path: N2MH4|WB4WPF|N3IP|KA3VSP|N4SD
R:260515/1316Z 31239@N2MH4.#SENC.NC.USA.NOAM LinBPQ6.0.24
R:260515/1315Z 12090@WB4WPF.#SFL.FL.USA.NOAM LinBPQ6.0.25
R:260515/1310Z 67237@N3IP.#SEPA.PA.USA.NOAM BPQK6.0.24
R:260515/1309Z 2043@KA3VSP.DE.USA.NOAM BPQ6.0.25
R:260515/1306Z 13270@N4SD.#TIDE.VA.USA.NOAM BPQ6.0.24
WOXX13 KWNP 151306
ALTK04
Space Weather Message Code: ALTK04
Serial Number: 2656
Issue Time: 2026 May 15 1300 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026 May 15 1300 UTC
Synoptic Period: 1200-1500
Active Warning: YES
Comment:
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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