Viewing archive of Wednesday, 12 March 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 Mar 12 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 071 Issued at 2200Z on 12 MAR 1997IA. Analysis of Solar Active Regions and Activity from 11-2100Z to 12-2100Z SOLAR ACTIVITY HAS BEEN VERY LOW. NO FLARES OCCURRED.
REGION 8020 (N07W05), CURRENTLY AN ELEVEN SPOT 'BXO' BETA GROUP,
REMAINS THE ONLY ACTIVE REGION ON THE VISIBLE DISK.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO REMAIN
VERY LOW.
IIA. Geophysical Activity Summary 11-2100Z to 12-2100Z
THE GEOMAGNETIC FIELD HAS BEEN QUIET TO ACTIVE FOR THE PAST 24 HOURS.
ACTIVE CONDITIONS EXISTED DURING THE INTERVAL 12/0300-1200Z, WITH
ACTIVITY DECREASING TO UNSETTLED DURING THE INTERVAL 12/1200-1800,
AND THEN CLOSING OUT THE REPORTING PERIOD AT QUIET LEVELS.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED FOR THE NEXT THREE DAYS, WITH AN
INCREASED CHANCE FOR ISOLATED PERIODS OF ACTIVE CONDITIONS ON DAY
THREE DUE TO RECURRENT ACTIVITY.
III. Event Probabilities 13 MAR to 15 MAR
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 12 MAR 074 Predicted 13 MAR-15 MAR 075/075/075 90 Day Mean 12 MAR 075
V. Geomagnetic A Indices
OBSERVED AFR/AP 11 MAR 003/004 ESTIMATED AFR/AP 12 MAR 012/010 PREDICTED AFR/AP 13 MAR-15 MAR 005/005-005/005-010/010
VI. Geomagnetic Activity Probabilities 13 MAR to 15 MAR
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 20% | 25% |
| Minor storm | 05% | 10% | 10% |
| Major-severe storm | 01% | 01% | 05% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 20% | 25% |
| Minor storm | 05% | 10% | 10% |
| Major-severe storm | 01% | 01% | 05% |
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