Viewing archive of Friday, 23 August 2002
Geophysical report
Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Solar and Geophysical Activity Summary 2002 Aug 23 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 235 Issued at 0245Z on 23 Aug 2002 This report is compiled from data received at SWO on 22 AugA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0147 0157 0205 0069 S07W62 M5.4 2b 260 II 0210 0000 0000 IV 1054 1054 1056 210 1616 1624 1630 0079 S22W48 C7.0 Sf 100 40 1739 1802 1815 0087 S05E76 M1.2 1n 1200 51 1827 1834 2008 2300
B. Proton Events
A greater than 10 MeV proton event began at
22/0440 UTC and is still in progress. The tentative maximum for
this event has been 36 pfu at 22/0940 UTC. A greater than 100 MeV
event began at 22/0340 UTC, reaching a maximum of 1 pfu at 22/0510
UTC and ended at 22/0615 UTC.
C. Geomagnetic Activity Summary
The geomagnetic field has been
quiet to active conditions.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 220 SSN 205 Afr/Ap 012/011 X-ray Background C1.9 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.5e+06 GT 10 MeV 1.3e+06 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 5.70e+06 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 3 3 3 2 2 2 1 2 Planetary 4 3 3 2 2 2 3 3
F. Comments
None
All times in UTC
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