Geophysical report

Viewing archive of Sunday, 10 August 2003

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 Aug 10 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 222 Issued at 0245Z on 10 Aug 2003 This report is compiled from data received at SWO on 09 Aug

A. Energetic Events

Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
2041 2041 2041                       110

B. Proton Events

None

C. Geomagnetic Activity Summary

The geomagnetic field was unsettled to active. The high speed solar wind stream is subsiding as the large equatorial coronal hole rotates out of a geoeffective position. Wind speed began the period near 750 km/s, but has gradually declined to near 650 km/s.

D. Stratwarm

None

E. Daily Indices: (real-time preliminary/estimated values)

10 cm 130  SSN 107  Afr/Ap 015/015   X-ray Background B3.3
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 3.2e+06   GT 10 MeV 1.1e+04 p/(cm2-ster-day)
(GOES-11 satellite synchronous orbit W112 degrees)
Daily Electron Fluence
GT 2 MeV 8.30e+07 e/(cm2-ster-day)
(GOES-12 satellite synchronous orbit W76 degrees)
3 Hour K-indices
Boulder 3 3 4 3 3 3 2 3 Planetary 3 3 4 4 3 3 3 3

F. Comments

  None

All times in UTC

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G2 - Moderate geomagnetic storm

Observed Kp: 6
Threshold reached: 22:29 UTC

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Reykjavik

The solar wind speed is currently moderately high (572.2 km/sec.)

The strength of the interplanetary magnetic field is high (23.8nT), the direction is North (14.13nT).

The Disturbance Storm Time index predicts moderate storm conditions right now (-62nT)

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