Viewing archive of Tuesday, 25 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 25 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 084 Issued at 2200Z on 25 MAR 1997IA. Analysis of Solar Active Regions and Activity from 24-2100Z to 25-2100Z THE DISK REMAINED SPOTLESS AND SOLAR ACTIVITY CONTINUED
AT A VERY LOW LEVEL.
IB. Solar Activity Forecast
SOLAR ACTIVITY SHOULD CONTINUE AT A
VERY LOW LEVEL FOR THE NEXT THREE DAYS.
IIA. Geophysical Activity Summary 24-2100Z to 25-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. RECENT SOLAR WIND DATA
INDICATE THAT THE EXPECTED CORONAL HOLE RELATED STREAM HAS NOT YET
REACHED EARTH.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
FORECAST TO BE GENERALLY UNSETTLED TO ACTIVE ON 26-27 MAR. ISOLATED
MINOR STORM CONDITIONS ARE POSSIBLE DURING THAT PERIOD. QUIET TO
UNSETTLED LEVELS ARE EXPECTED TO RETURN ON 28 MAR.
III. Event Probabilities 26 MAR to 28 MAR
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 25 MAR 071 Predicted 26 MAR-28 MAR 071/071/071 90 Day Mean 25 MAR 074
V. Geomagnetic A Indices
OBSERVED AFR/AP 24 MAR 008/006 ESTIMATED AFR/AP 25 MAR 011/008 PREDICTED AFR/AP 26 MAR-28 MAR 015/015-020/020-010/010
VI. Geomagnetic Activity Probabilities 26 MAR to 28 MAR
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 25% | 30% | 15% |
| Minor storm | 15% | 15% | 10% |
| Major-severe storm | 05% | 05% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 25% | 35% | 20% |
| Minor storm | 15% | 10% | 10% |
| Major-severe storm | 05% | 05% | 05% |
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