Propagation….

:Product: Geophysical Alert Message wwv.txt
:Issued: 2022 May 24 0905 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
# Geophysical Alert Message
#
Solar-terrestrial indices for 23 May follow.
Solar flux 158 and estimated planetary A-index 5.
The estimated planetary K-index at 0900 UTC on 24 May was 1.

No space weather storms were observed for the past 24 hours.

No space weather storms are predicted for the next 24 hours.

NOAA Alerts

Space Weather Message Code: WARK04
Serial Number: 4107
Issue Time: 2022 May 22 1455 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4106
Valid From: 2022 May 22 0120 UTC
Now Valid Until: 2022 May 22 2359 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.