Viewing archive of Friday, 9 May 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 May 09 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 129 Issued at 2200Z on 09 MAY 1997IA. Analysis of Solar Active Regions and Activity from 08-2100Z to 09-2100Z SOLAR ACTIVITY WAS VERY LOW. NO FLARES OCCURRED. REGION
8038 (N21E20), THE ONLY ACTIVE REGION ON THE VISIBLE DISK, IS
CURRENTLY A STABLE FOUR SPOT 'CSO' BETA GROUP.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW.
IIA. Geophysical Activity Summary 08-2100Z to 09-2100Z
THE GEOMAGNETIC FIELD HAS BEEN QUIET FOR THE PAST 24 HOURS, EXCEPT
FOR A SINGLE PERIOD OF UNSETTLED CONDITIONS AT HIGH LATITUDES DURING
THE INTERVAL 09/0600-0900Z.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED FOR THE NEXT THREE DAYS.
III. Event Probabilities 10 MAY to 12 MAY
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 09 MAY 072 Predicted 10 MAY-12 MAY 073/073/074 90 Day Mean 09 MAY 074
V. Geomagnetic A Indices
OBSERVED AFR/AP 08 MAY 006/005 ESTIMATED AFR/AP 09 MAY 005/008 PREDICTED AFR/AP 10 MAY-12 MAY 005/010-005/008-005/005
VI. Geomagnetic Activity Probabilities 10 MAY to 12 MAY
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 20% | 20% | 20% |
| Minor storm | 10% | 10% | 10% |
| Major-severe storm | 05% | 05% | 05% |
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