Viewing archive of Sunday, 24 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 24 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 236 Issued at 2200Z on 24 AUG 1997IA. Analysis of Solar Active Regions and Activity from 23-2100Z to 24-2100Z SOLAR ACTIVITY WAS VERY LOW. THE VISIBLE DISK IS
CURRENTLY SPOTLESS.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW.
IIA. Geophysical Activity Summary 23-2100Z to 24-2100Z
THE GEOMAGNETIC FIELD HAS BEEN QUIET AT ALL LATITUDES FOR THE PAST 24
HOURS, EXCEPT FOR AN ISOLATED PERIOD OF UNSETTLED CONDITIONS
RECORDED AT FREDERICKSBURG DURING THE INTERVAL 24/0000-0300Z.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY QUIET FOR THE NEXT 48 HOURS, WITH ACTIVITY
INCREASING TO MOSTLY UNSETTLED ON DAY THREE DUE TO RECURRENT
ACTIVITY.
III. Event Probabilities 25 AUG to 27 AUG
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 24 AUG 078 Predicted 25 AUG-27 AUG 077/077/077 90 Day Mean 24 AUG 073
V. Geomagnetic A Indices
OBSERVED AFR/AP 23 AUG 004/004 ESTIMATED AFR/AP 24 AUG 006/005 PREDICTED AFR/AP 25 AUG-27 AUG 005/005-005/005-010/012
VI. Geomagnetic Activity Probabilities 25 AUG to 27 AUG
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 20% |
| Minor storm | 05% | 05% | 10% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 20% |
| Minor storm | 05% | 05% | 10% |
| Major-severe storm | 01% | 01% | 01% |
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