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652
WOXX22 KWNP 041901
WATA50

Space Weather Message Code: WATA50
Serial Number: 82
Issue Time: 2024 Oct 04 1857 UTC

WATCH: Geomagnetic Storm Category G3 Predicted
Highest Storm Level Predicted by Day:
Oct 05: G3 (Strong) Oct 06: G3 (Strong) Oct 07: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT

Comment: G1 (Minor) geomagnetic storm watch added to new day three (07 Oct).
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

548
WOXX13 KWNP 042301
WARK04

Space Weather Message Code: WARK04
Serial Number: 4711
Issue Time: 2024 Oct 04 2259 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2024 Oct 04 2300 UTC
Valid To: 2024 Oct 05 1500 UTC
Warning Condition: Onset
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

090
WOXX02 KWNP 031241
SUMX01

Space Weather Message Code: SUMX01
Serial Number: 174
Issue Time: 2024 Oct 03 1236 UTC

SUMMARY: X-ray Event exceeded X1
Begin Time: 2024 Oct 03 1208 UTC
Maximum Time: 2024 Oct 03 1218 UTC
End Time: 2024 Oct 03 1227 UTC
X-ray Class: X9.0
Location: S14W03
NOAA Scale: R3 - Strong
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Area of impact consists of large portions of the sunlit side of Earth, strongest at the sub-solar point.
Radio - Wide area blackout of HF (high frequency) radio communication for about an hour.

# 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