Viewing archive of Thursday, 11 November 2004
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.
:Product: 20041111SGAS.txt
:Issued: 2004 Nov 11 0250 UT
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 316 Issued at 0245Z on 11 Nov 2004
This report is compiled from data received at SWO on 10 Nov
A. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep
0000 0000 0247 IV
0159 0213 0220 0696 N09W49 X2.5 3b 2700 650 II/IV
0221 0221 0249 N09W48 3n
0234 0000 0241 II
0247 0000 0410 IV
0305 0305 0306 480
0441 0441 0441 87 IV
0600 0000 0800 IV
0727 0739 0747 C2.6 110
0749 0749 0750 440
0839 0839 0839 520
0956 0956 0956 250
2205 2205 2205 67 IV
B. Proton Events
A greater than 10 MeV peak flux of 424 pfu was
observed at 10/1655Z. A greater than 100 Mev proton event began at
10/0320Z, peaked at 2.1 pfu at 10/0340Z, and ended at 10/1250Z.
C. Geomagnetic Activity Summary
The geomagnetic field ranged from
active to severe storm levels. Yesterday's strong shock at 09/1852Z
was followed by a short period of strong southward Bz to near 40 nT,
before rotating northward for approximately five hours. At 10/0100Z,
the solar wind exceeded 800 km/s and Bz rotated southward again,
ranging from -15 to -25 nT for over nine hours. The geomagnetic
field response was severe at all latitudes. The period ended at
minor storm levels with solar wind speed declining to near 600 km/s.
D. Stratwarm
None.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 105 SSN 050 Afr/Ap 100/181 X-ray Background B5.2
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.2e+08 GT 10 MeV 1.1e+07 p/(cm2-ster-day)
(GOES-11 satellite synchronous orbit W102 degrees)
Daily Electron Fluence
GT 2 MeV 3.30e+08 e/(cm2-ster-day)
(GOES-12 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 7 7 8 8 6 5 5 3 Planetary 8 8 9 9 7 6 5 4
F. Comments
None.
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