Viewing archive of Saturday, 17 April 2021
Geophysical report
Solar and Geophysical Activity Summary 2021 Apr 17 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 107 Issued at 0245Z on 17 Apr 2021 This report is compiled from data received at SWO on 16 AprA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep None
B. Proton Events
None
C. Geomagnetic Activity Summary
Field conditions reach G1 (Minor)
geomagnetic storm levels due to negative polarity, CH HSS influence
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 077 SSN 044 Afr/Ap 015/018 X-ray Background A4.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.5e+05 GT 10 MeV 4.3e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.20e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 3 3 2 3 4 4 3 Planetary 2 2 3 2 4 4 5 3
F. Comments
None
All times in UTC
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