Message:21689 In: SPACWX.USA
From: N4SDDate: Thu, 30 Apr 26 20:41:00 Z
Newsgroups: SPACWX.USA
Subject: Space Weather Message Code: ALTK04
Message-ID: <12299_N4SD>
Path: N2MH4|N3MEL|KA3VSP|N4SD
R:260430/2045Z 30773@N2MH4.#SENC.NC.USA.NOAM LinBPQ6.0.24
R:260430/2044Z 16516@N3MEL.#EPA.PA.USA.NOAM LinBPQ6.0.25
R:260430/2042Z 1443@KA3VSP.DE.USA.NOAM BPQ6.0.25
R:260430/2041Z 12299@N4SD.#TIDE.VA.USA.NOAM BPQ6.0.24
WOXX13 KWNP 302041
ALTK04
Space Weather Message Code: ALTK04
Serial Number: 2653
Issue Time: 2026 Apr 30 2035 UTC
ALERT: Geomagnetic K-index of 4
Synoptic Period: 1800-2100 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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