Viewing archive of Sunday, 23 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 23 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 082 Issued at 2200Z on 23 MAR 1997IA. Analysis of Solar Active Regions and Activity from 22-2100Z to 23-2100Z 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 22-2100Z to 23-2100Z
THE GEOMAGNETIC FIELD WAS PREDOMINANTLY QUIET.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
FORECAST TO BE QUIET TO SLIGHTLY UNSETTLED FOR 24 MAR. UNSETTLED TO
ACTIVE CONDITIONS ARE EXPECTED ON 25-26 MAR AS A SMALL RECURRENT
DISTURBANCE RETURNS.
III. Event Probabilities 24 MAR to 26 MAR
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 23 MAR 071 Predicted 24 MAR-26 MAR 071/071/071 90 Day Mean 23 MAR 074
V. Geomagnetic A Indices
OBSERVED AFR/AP 22 MAR 010/009 ESTIMATED AFR/AP 23 MAR 004/005 PREDICTED AFR/AP 24 MAR-26 MAR 010/010-013/013-015/015
VI. Geomagnetic Activity Probabilities 24 MAR to 26 MAR
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 20% | 20% |
| Minor storm | 05% | 05% | 10% |
| Major-severe storm | 01% | 01% | 10% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 10% | 25% | 20% |
| Minor storm | 05% | 05% | 10% |
| Major-severe storm | 01% | 01% | 10% |
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