Viewing archive of Sunday, 13 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 13 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 194 Issued at 2200Z on 13 JUL 1997IA. Analysis of Solar Active Regions and Activity from 12-2100Z to 13-2100Z SOLAR ACTIVITY WAS VERY LOW. THE DISK REMAINS SPOTLESS.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW THROUGHOUT THE FORECAST PERIOD.
IIA. Geophysical Activity Summary 12-2100Z to 13-2100Z
THE GEOMAGNETIC FIELD WAS QUIET AT ALL LATITUDES FOR THE PAST 24
HOURS.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET THE FIRST TWO DAYS OF THE FORECAST WITH QUIET
TO UNSETTLED CONDITIONS EXPECTED ON THE THIRD DAY.
III. Event Probabilities 14 JUL to 16 JUL
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 13 JUL 067 Predicted 14 JUL-16 JUL 067/067/068 90 Day Mean 13 JUL 072
V. Geomagnetic A Indices
OBSERVED AFR/AP 12 JUL 003/004 ESTIMATED AFR/AP 13 JUL 005/005 PREDICTED AFR/AP 14 JUL-16 JUL 005/005-005/005-005/008
VI. Geomagnetic Activity Probabilities 14 JUL to 16 JUL
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 15% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
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