Viewing archive of Saturday, 29 May 2021

Geophysical report

Solar and Geophysical Activity Summary 2021 May 29 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 149 Issued at 0245Z on 29 May 2021 This report is compiled from data received at SWO on 28 May
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 2219 2313 0012  2824 N21W63 C9.4  1f               II/IV           
B. Proton Events
The greater than 10 MeV proton flux is expected to reach 10 pfu threshold on 29 May due to the long duration C9 flare at 28/2313 UTC.
C. Geomagnetic Activity Summary
The geomagnetic field was quiet.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 077  SSN 028  Afr/Ap 003/003   X-ray Background B1.3
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 5.4e+04   GT 10 MeV 4.5e+04 p/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.70e+06 e/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 1 1 0 1 2 2 1 1 Planetary 1 1 0 0 1 1 1 1 
F. Comments
  None.

All times in UTC

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