Viewing archive of Wednesday, 9 July 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 Jul 09 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 190 Issued at 2200Z on 09 JUL 1997IA. Analysis of Solar Active Regions and Activity from 08-2100Z to 09-2100Z SOLAR ACTIVITY WAS VERY LOW. REGION 8060 (N04W09) HAS
GROWN IN SIZE AND INTENSITY SINCE YESTERDAY, AND IS CURRENTLY AN 8
TO 9 SPOT 'BXO' BETA GROUP WITH AN ACTIVE ARCH FILAMENT SYSTEM.
REGION 8059 (S34W61) HAS DECAYED INTO A 3 SPOT 'AXX' ALPHA GROUP.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW. REGION 8059 HAS A 25 PERCENT CHANCE OF PRODUCING A C-CLASS
X-RAY EVENT WHILE CONTINUING IN IT'S CURRENT GROWTH CYCLE.
IIA. Geophysical Activity Summary 08-2100Z to 09-2100Z
THE GEOMAGNETIC FIELD HAS BEEN QUIET TO UNSETTLED FOR THE PAST 24
HOURS, WITH THE MAJORITY OF THE UNSETTLED CONDITIONS OCCURRING
DURING THE INTERVAL 09/0000-0900Z.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY QUIET FOR THE NEXT THREE DAYS, WITH CONTINUED
PERIODS OF ISOLATED UNSETTLED CONDITIONS.
III. Event Probabilities 10 JUL to 12 JUL
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 09 JUL 070 Predicted 10 JUL-12 JUL 070/070/070 90 Day Mean 09 JUL 073
V. Geomagnetic A Indices
OBSERVED AFR/AP 08 JUL 006/005 ESTIMATED AFR/AP 09 JUL 009/010 PREDICTED AFR/AP 10 JUL-12 JUL 005/008-005/008-005/008
VI. Geomagnetic Activity Probabilities 10 JUL to 12 JUL
| 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 | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
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