NOAA Alerts
Space Weather Message Code: WATA30
Serial Number: 203
Issue Time: 2022 Apr 11 2153 UTC
WATCH: Geomagnetic Storm Category G2 Predicted
Highest Storm Level Predicted by Day:
Apr 12: None (Below G1) Apr 13: None (Below G1) Apr 14: G2 (Moderate)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents – Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft – Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio – HF (high frequency) radio propagation can fade at higher latitudes.
Aurora – Aurora may be seen as low as New York to Wisconsin to Washington state.
NOAA STI
:Product: Geophysical Alert Message wwv.txt
:Issued: 2022 Apr 12 0905 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
# Geophysical Alert Message
#
Solar-terrestrial indices for 11 April follow.
Solar flux 99 and estimated planetary A-index 13.
The estimated planetary K-index at 0900 UTC on 12 April was 1.
No space weather storms were observed for the past 24 hours.
No space weather storms are predicted for the next 24 hours.