GEOMAGNETIC STORM WATCH: Minor G1-class geomagnetic storms are possible on May 28th when a CME is expected to sideswipe Earth’s magnetic field. The solar storm cloud was hurled into space by an unstable magnetic filament, which erupted on May 25th. High-latitude auroras are possible this weekend.
NOAA STI
:Product: Geophysical Alert Message wwv.txt
:Issued: 2022 May 27 0905 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
# Geophysical Alert Message
#
Solar-terrestrial indices for 26 May follow.
Solar flux 123 and estimated planetary A-index 4.
The estimated planetary K-index at 0900 UTC on 27 May was 2.
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: ALTTP2
Serial Number: 1140
Issue Time: 2022 May 25 1847 UTC
ALERT: Type II Radio Emission
Begin Time: 2022 May 25 1817 UTC
Estimated Velocity: 994 km/s
NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation
Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.
