NOAA STI
:Product: Geophysical Alert Message wwv.txt
:Issued: 2022 May 11 0905 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
# Geophysical Alert Message
#
Solar-terrestrial indices for 10 May follow.
Solar flux 116 and estimated planetary A-index 3.
The estimated planetary K-index at 0900 UTC on 11 May was 1.
Space weather for the past 24 hours has been strong.
Radio blackouts reaching the R3 level occurred.
No space weather storms are predicted for the next 24 hours.
NOAA Alerts
Space Weather Message Code: ALTTP4
Serial Number: 572
Issue Time: 2022 May 10 1639 UTC
ALERT: Type IV Radio Emission
Begin Time: 2022 May 10 1451 UTC
NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation
Description: Type IV emissions occur in association with major eruptions on the sun and are typically associated with strong coronal mass ejections and solar radiation storms.