SOLE
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R
Blackout radio
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S
Tempeste solari
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G
Tempeste geomagnetiche
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Quiet
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Quiet
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Quiet
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ULTIMO MESSAGGIO DI ALLERTA DAL NOAA
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Space Weather Message Code: WATA20
Serial Number: 1053
Issue Time: 2025 Jul 23 1905 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Jul 24: G1 (Minor) Jul 25: None (Below G1) Jul 26: None (Below G1)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment: Isolated periods of G1 (Minor) geomagnetic storming are likely primarily early on 24 July under sustained CH HSS effects.
NOAA Space Weather Scale descriptions can be found at
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.
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