NOAA STI
:Product: Geophysical Alert Message wwv.txt
:Issued: 2022 May 16 0905 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
# Geophysical Alert Message
#
Solar-terrestrial indices for 15 May follow.
Solar flux 154 and estimated planetary A-index 12.
The estimated planetary K-index at 0900 UTC on 16 May was 3.
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: 4102
Issue Time: 2022 May 16 0500 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2022 May 16 0500 UTC
Valid To: 2022 May 16 0900 UTC
Warning Condition: Onset
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.
CHANCE OF FLARES TODAY: NOAA forecasters say there is a 35% chance of M-class solar flares today, and a 10% chance of X-flares. The most likely source would be sunspot complex AR3011-14-15, which produced an M2-class flare yesterday.