Viewing archive of Monday, 19 April 2021
Geophysical report
Solar and Geophysical Activity Summary 2021 Apr 19 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 109 Issued at 0245Z on 19 Apr 2021 This report is compiled from data received at SWO on 18 AprA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1850 1852 1954 2816 S25E41 Sf 170
B. Proton Events
None
C. Geomagnetic Activity Summary
Field activity was at quiet to
active levels under negative polarity coronal high speed stream
influence.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 078 SSN 015 Afr/Ap 013/016 X-ray Background A7.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.0e+05 GT 10 MeV 4.2e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 3.50e+08 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 3 4 4 4 2 2 3 3 Planetary 3 4 4 3 2 2 3 3
F. Comments
None
All times in UTC
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