Viewing archive of Saturday, 20 July 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 Jul 20 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 201 Issued at 0245Z on 20 Jul 2002 This report is compiled from data received at SWO on 19 JulA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0227 0227 0228 100 0435 0437 0437 110 1245 1248 1251 0030 N20W49 C1.2 Sf 190 1429 1429 1429 320 1542 1542 1542 130 1634 1635 1636 1100 1642 1642 1642 190 1646 1853 2037 0030 N17W47 C3.9 Sf 1200 1653 1653 1653 180 1657 1702 1702 160 1708 1708 1708 130 1810 1810 1810 130 1811 1813 1831 0030 N18W46 Sf 190 1918 1919 1919 680 2017 2018 2020 0030 N21W57 Sf 340 2324 2326 2326 360
B. Proton Events
A small greater than 10 MeV event occurred:
start max end peak flux
19/1050 19/1515 ip 13 pfu
C. Geomagnetic Activity Summary
Quiet to active.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 182 SSN 148 Afr/Ap 010/012 X-ray Background B9.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.8e+07 GT 10 MeV 5.2e+05 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 9.80e+05 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 1 2 1 3 2 3 2 4 Planetary 2 2 1 3 2 3 2 4
F. Comments
None
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