Viewing archive of Thursday, 7 August 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 Aug 07 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 219 Issued at 2200Z on 07 AUG 1997

IA. Analysis of Solar Active Regions and Activity from 06-2100Z to 07-2100Z

SOLAR ACTIVITY WAS VERY LOW. REGION 8069 (N21W62) EMITTED A SERIES OF B-CLASS, SUB-FAINT FLARES, BUT REMAINED RELATIVELY UNCHANGED IN SIZE AND COMPLEXITY. REGION 8070 (S19E25) SHOWED SOME STRONG GROWTH AND IS NOW A DSO SPOT GROUP. REGION 8068 (S20W22) REMAINED STABLE AND QUIET.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO REMAIN VERY LOW. REGIONS 8069 AND 8070 HAVE AN OUTSIDE CHANCE OF PRODUCING ISOLATED C-CLASS EVENTS.
IIA. Geophysical Activity Summary 06-2100Z to 07-2100Z
THE GEOMAGNETIC FIELD WAS QUIET.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS EXPECTED TO REMAIN QUIET FOR THE ENTIRE FORECAST PERIOD.
III. Event Probabilities 08 AUG to 10 AUG
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFGREEN
IV. Penticton 10.7 cm Flux
  Observed       07 AUG 078
  Predicted   08 AUG-10 AUG  078/078/076
  90 Day Mean        07 AUG 073
V. Geomagnetic A Indices
OBSERVED AFR/AP 06 AUG  005/004
ESTIMATED AFR/AP 07 AUG  005/007
PREDICTED AFR/AP 08 AUG-10 AUG  005/007-005/005-005/005
VI. Geomagnetic Activity Probabilities 08 AUG to 10 AUG
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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