Space Weather Message Code: ALTK04
Serial Number: 2286
Issue Time: 2022 Apr 09 0050 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2022 Apr 09 0048 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.
Aurora – Aurora may be visible at high latitudes such as Canada and Alaska.
NOAA STI
:Product: Geophysical Alert Message wwv.txt
:Issued: 2022 Apr 09 0905 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
# Geophysical Alert Message
#
Solar-terrestrial indices for 08 April follow.
Solar flux 109 and estimated planetary A-index 9.
The estimated planetary K-index at 0900 UTC on 09 April was 4.
No space weather storms were observed for the past 24 hours.
No space weather storms are predicted for the next 24 hours.