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WOXX22 KWNP 291801

WATA50



Space Weather Message Code: WATA50

Serial Number: 73

Issue Time: 2023 Nov 29 1756 UTC



WATCH: Geomagnetic Storm Category G3 Predicted

Highest Storm Level Predicted by Day:

Nov 30:  G1 (Minor)   Dec 01:  G3 (Strong)   Dec 02:  G1 (Minor)

THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT

www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 50 degrees Geomagnetic Latitude.

Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.

Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.

Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.

Radio - HF (high frequency) radio may be intermittent.

Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.



# 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