Message:21049 In: SPACWX.USA
From: N4SDDate: Sat, 18 Apr 26 05:32:00 Z
Newsgroups: SPACWX.USA
Subject: Space Weather Message Code: ALTK05
Message-ID: <11396_N4SD>
Path: N2MH4|WB4WPF|N3IP|KA3VSP|N4SD
R:260418/1846Z 30369@N2MH4.#SENC.NC.USA.NOAM LinBPQ6.0.24
R:260418/1846Z 10501@WB4WPF.#SFL.FL.USA.NOAM LinBPQ6.0.25
R:260418/1845Z 65844@N3IP.#SEPA.PA.USA.NOAM BPQK6.0.24
R:260418/1844Z 929@KA3VSP.DE.USA.NOAM BPQ6.0.25
R:260418/0532Z 11396@N4SD.#TIDE.VA.USA.NOAM BPQ6.0.24
WOXX11 KWNP 180531
ALTK05
Space Weather Message Code: ALTK05
Serial Number: 2007
Issue Time: 2026 Apr 18 0528 UTC
ALERT: Geomagnetic K-index of 5
Synoptic Period: 0300-0600 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
Received via NOAA GOES-East satellite downlink
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