Viewing archive of Thursday, 13 February 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 Feb 13 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 044 Issued at 2200Z on 13 FEB 1997IA. Analysis of Solar Active Regions and Activity from 12-2100Z to 13-2100Z THE DISK REMAINED SPOTLESS AND SOLAR ACTIVITY CONTINUED
VERY LOW. A SMALL FILAMENT LOCATED NEAR N08E29 EXHIBITED
NON-ERUPTIVE DISSOLUTION DURING THE PERIOD.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO CONTINUE
AT VERY LOW LEVELS FOR THE NEXT THREE DAYS.
IIA. Geophysical Activity Summary 12-2100Z to 13-2100Z
THE GEOMAGNETIC FIELD WAS QUIET. ENERGETIC ELECTRON FLUXES AT
GEOSYNCHRONOUS ORBIT WERE MODERATE TO HIGH.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
FORECAST TO BE PREDOMINANTLY QUIET FOR THE NEXT THREE DAYS.
III. Event Probabilities 14 FEB to 16 FEB
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 13 FEB 071 Predicted 14 FEB-16 FEB 071/071/071 90 Day Mean 13 FEB 078
V. Geomagnetic A Indices
OBSERVED AFR/AP 12 FEB 008/007 ESTIMATED AFR/AP 13 FEB 004/005 PREDICTED AFR/AP 14 FEB-16 FEB 005/005-005/010-005/005
VI. Geomagnetic Activity Probabilities 14 FEB to 16 FEB
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
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