SFI = 140 A index = 20 K index = 3 SSN = 149
CHANCE OF FLARES TODAY: NOAA forecasters say there is a 25% chance of M-class solar flares today. The most likely source would be sunspot AR3031, which has an unstable ‘beta-gamma’ magnetic field. The sunspot is facing Earth, so any flares it produces will be geoeffective.
NOAA STI
:Product: Geophysical Alert Message wwv.txt
:Issued: 2022 Jun 16 0605 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
# Geophysical Alert Message
#
Solar-terrestrial indices for 15 June follow.
Solar flux 140 and estimated planetary A-index 20.
The estimated planetary K-index at 0600 UTC on 16 June was 3.
Space weather for the past 24 hours has been minor.
Geomagnetic storms reaching the G1 level occurred.
Radio blackouts reaching the R1 level occurred.
No space weather storms are predicted for the next 24 hours.
NOAA Alerts
Space Weather Message Code: ALTK05
Serial Number: 1394
Issue Time: 2022 Jun 15 1503 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2022 Jun 15 1459 UTC
Synoptic Period: 1200-1500 UTC
Active Warning: Yes
NOAA Scale: G1 – Minor
NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents – Weak power grid fluctuations can occur.
Spacecraft – Minor impact on satellite operations possible.
Aurora – Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.