Viewing archive of Tuesday, 20 April 2021
Geophysical report
Solar and Geophysical Activity Summary 2021 Apr 20 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 110 Issued at 0245Z on 20 Apr 2021 This report is compiled from data received at SWO on 19 AprA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 2319 2342 2359 2816 S24E25 M1.1 Sn II/IV
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was
unsettled to active due coronal hole activity.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 086 SSN 036 Afr/Ap 015/020 X-ray Background B1.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.7e+05 GT 10 MeV 4.1e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 2.10e+08 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 3 4 4 4 3 3 3 3 Planetary 4 4 3 3 3 3 3 4
F. Comments
None
All times in UTC
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