Viewing archive of Tuesday, 21 January 2003
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 2003 Jan 21 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 021 Issued at 0245Z on 21 Jan 2003 This report is compiled from data received at SWO on 20 JanA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0941 0941 0942 330
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was at quiet
to active levels with a brief period of minor storm conditions
(between 20/0000 to 0300 UTC) at high latitudes. Coronal hole high
speed stream effects from a southern polar extension are believed to
be responsible for the elevated activity. The greater than 2 MeV
electron flux at geosynchronous orbit reached moderate levels today.
D. Stratwarm
STRATWARM ALERT/MONDAY/STRATWARM EXISTS.
WARMING CONTINUES OVER THE POLAR REGION, FURTHER WEAKENING. REVERSED
TERPERATURE GRADIENT BETWEEN 60N AND THE POLE FROM 50 TO 5 HPA.
EASTERLY ZONAL MEAN ZONAL WIND AT 60N BETWEEN 5 AND 2 HPA.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 138 SSN 184 Afr/Ap 016/017 X-ray Background B4.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.0e+05 GT 10 MeV 1.3e+04 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 4.70e+06 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 4 4 3 3 2 3 3 2 Planetary 5 4 2 3 3 3 3 2
F. Comments
None
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