Now, decreasing
:Issued: 2017 Sep 08 1205 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
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# Geophysical Alert Message
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Solar-terrestrial indices for 07 September follow.
Solar flux 129 and estimated planetary A-index 38.
The estimated planetary K-index at 1200 UTC on 08 September was 5.
Space weather for the past 24 hours has been severe.
Geomagnetic storms reaching the G4 level occurred.
Solar radiation storms reaching the S2 level occurred.
Radio blackouts reaching the R3 level occurred.
Space weather for the next 24 hours is predicted to be strong.
Geomagnetic storms reaching the G3 level are expected.
Solar radiation storms reaching the S2 level are expected.
Radio blackouts reaching the R2 level are expected.