Space Weather Message Code: ALTK04
Serial Number: 2287
Issue Time: 2022 Apr 11 0243 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2022 Apr 11 0231 UTC
Synoptic Period: 0000-0300 UTC
Active Warning: Yes
NOAA Space Weather Scale descriptions can be found at
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.
NOAA STI
:Product: Geophysical Alert Message wwv.txt
:Issued: 2022 Apr 11 0905 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
# Geophysical Alert Message
#
Solar-terrestrial indices for 10 April follow.
Solar flux 101 and estimated planetary A-index 34.
The estimated planetary K-index at 0900 UTC on 11 April was 3.
No space weather storms were observed for the past 24 hours.
No space weather storms are predicted for the next 24 hours.