Viewing archive of Saturday, 5 April 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 Apr 05 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 095 Issued at 2200Z on 05 APR 1997IA. Analysis of Solar Active Regions and Activity from 04-2100Z to 05-2100Z SOLAR ACTIVITY WAS VERY LOW.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW THROUGHOUT THE PERIOD WITH AN ISOLATED CHANCE FOR M-CLASS EVENTS
FROM REGION 8026 (S24W40).
IIA. Geophysical Activity Summary 04-2100Z to 05-2100Z
THE GEOMAGNETIC FIELD HAS BEEN QUIET TO UNSETTLED WITH ISOLATED
ACTIVE CONDITIONS. THE GREATER THAN 2 MEV ELECTRONS WERE IN THE
MODERATE TO HIGH RANGE.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED WITH ISOLATED PERIODS OF ACTIVE
CONDITIONS ON DAY ONE OF THE FORECAST.
III. Event Probabilities 06 APR to 08 APR
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 05 APR 080 Predicted 06 APR-08 APR 078/078/076 90 Day Mean 05 APR 074
V. Geomagnetic A Indices
OBSERVED AFR/AP 04 APR 015/012 ESTIMATED AFR/AP 05 APR 010/010 PREDICTED AFR/AP 06 APR-08 APR 010/008-010/008-010/010
VI. Geomagnetic Activity Probabilities 06 APR to 08 APR
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 10% |
| Minor storm | 10% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 20% | 20% | 15% |
| Minor storm | 15% | 10% | 10% |
| Major-severe storm | 01% | 02% | 02% |
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