Viewing archive of Sunday, 6 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 06 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 096 Issued at 2200Z on 06 APR 1997IA. Analysis of Solar Active Regions and Activity from 05-2100Z to 06-2100Z SOLAR ACTIVITY WAS VERY LOW. THERE HAVE BEEN SEVERAL
B-CLASS EVENTS FROM REGION 8027 (S28E24).
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW THROUGHOUT THE PERIOD WITH AN ISOLATED CHANCE OF M-CLASS EVENTS
FROM REGION 8026 (S23W52).
IIA. Geophysical Activity Summary 05-2100Z to 06-2100Z
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 REMAIN QUIET TO UNSETTLED WITH ISOLATED PERIODS OF
ACTIVE CONDITIONS.
III. Event Probabilities 07 APR to 09 APR
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 06 APR 078 Predicted 07 APR-09 APR 078/077/076 90 Day Mean 06 APR 074
V. Geomagnetic A Indices
OBSERVED AFR/AP 05 APR 011/008 ESTIMATED AFR/AP 06 APR 010/008 PREDICTED AFR/AP 07 APR-09 APR 010/010-010/010-010/008
VI. Geomagnetic Activity Probabilities 07 APR to 09 APR
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 10% | 05% |
| Minor storm | 10% | 05% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 20% | 15% | 10% |
| Minor storm | 10% | 05% | 01% |
| Major-severe storm | 05% | 01% | 01% |
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