Viewing archive of Thursday, 24 July 1997

Solar activity 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.
Report of Solar-Geophysical Activity 1997 Jul 24 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 205 Issued at 2200Z on 24 JUL 1997

IA. Analysis of Solar Active Regions and Activity from 23-2100Z to 24-2100Z

SOLAR ACTIVITY WAS VERY LOW. NEW REGION 8065 (N17W43) EMERGED OVERNIGHT AND HAS SHOWN STEADY GROWTH. THE GROUP PRODUCED THE DAY'S LARGEST X-RAY EVENT, A B9/SF AT 1305Z. SURGE ACTIVITY AND X-RAY IMAGE DATA SHOW THAT A NEW REGION IS COMING AROUND EAST LIMB AT ABOUT N26.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY LOW TO LOW. THERE IS A FAIR CHANCE FOR AN ISOLATED C-CLASS EVENT OVER THE NEXT THREE DAYS. BACKGROUND FLUX LEVELS ARE EXPECTED TO TREND UPWARDS OVER THE NEXT FEW DAYS.
IIA. Geophysical Activity Summary 23-2100Z to 24-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS EXPECTED TO BE QUIET TO UNSETTLED FOR THE NEXT THREE DAYS.
III. Event Probabilities 25 JUL to 27 JUL
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFGREEN
IV. Penticton 10.7 cm Flux
  Observed       24 JUL 079
  Predicted   25 JUL-27 JUL  080/082/082
  90 Day Mean        24 JUL 072
V. Geomagnetic A Indices
OBSERVED AFR/AP 23 JUL  007/005
ESTIMATED AFR/AP 24 JUL  008/006
PREDICTED AFR/AP 25 JUL-27 JUL  005/008-005/008-005/008
VI. Geomagnetic Activity Probabilities 25 JUL to 27 JUL
A. Middle Latitudes
Active10%10%10%
Minor storm05%05%05%
Major-severe storm01%01%01%
B. High Latitudes
Active10%10%10%
Minor storm05%05%05%
Major-severe storm01%01%01%

All times in UTC

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