Space Weather Message Code: WARK04
Serial Number: 4079
Issue Time: 2022 Apr 13 0203 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4078
Valid From: 2022 Apr 12 1247 UTC
Now Valid Until: 2022 Apr 13 0900 UTC
Warning Condition: Persistence
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.
Aurora – Aurora may be visible at high latitudes such as Canada and Alaska.
NOAA STI
:Product: Geophysical Alert Message wwv.txt
:Issued: 2022 Apr 13 0605 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
# Geophysical Alert Message
#
Solar-terrestrial indices for 12 April follow.
Solar flux 96 and estimated planetary A-index 12.
The estimated planetary K-index at 0600 UTC on 13 April was 3.
No space weather storms were observed for the past 24 hours.
Space weather for the next 24 hours is predicted to be moderate.
Geomagnetic storms reaching the G2 level are likely.