Viewing archive of Thursday, 29 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 29 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
:::::::::: CORRECTED COPY :::::::::: SDF Number 149 Issued at 2200Z on 29 MAY 1997IA. Analysis of Solar Active Regions and Activity from 28-2100Z to 29-2100Z SOLAR ACTIVITY WAS VERY LOW. NO FLARES OCCURRED. THE
TWO ACTIVE REGIONS CURRENTLY ON THE VISIBLE DISK, 8046 (S26W16), A
SINGLE SPOT 'AXX' GROUP, AND 8047 (N26E44), A SIX SPOT 'CRO' GROUP,
REMAIN STABLE.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW.
IIA. Geophysical Activity Summary 28-2100Z to 29-2100Z
THE GEOMAGNETIC FIELD HAS BEEN QUIET AT ALL LATITUDES FOR THE PAST 24
HOURS.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY QUIET FOR THE NEXT THREE DAYS, WITH THE CHANCE
FOR ISOLATED PERIODS OF UNSETTLED CONDITIONS THROUGHOUT THE FORECAST
PERIOD.
III. Event Probabilities 30 MAY to 01 JUN
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 29 MAY 076 Predicted 30 MAY-01 JUN 077/077/077 90 Day Mean 29 MAY 074
V. Geomagnetic A Indices
OBSERVED AFR/AP 28 MAY 007/006 ESTIMATED AFR/AP 29 MAY 004/008 PREDICTED AFR/AP 30 MAY-01 JUN 005/008-005/008-005/008
VI. Geomagnetic Activity Probabilities 30 MAY to 01 JUN
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 10% | 10% | 10% |
| Major-severe storm | 01% | 02% | 02% |
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