Viewing archive of Tuesday, 22 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 22 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 203 Issued at 2200Z on 22 JUL 1997IA. Analysis of Solar Active Regions and Activity from 21-2100Z to 22-2100Z SOLAR ACTIVITY HAS BEEN VERY LOW FOR THE PAST 24 HOURS.
NEW REGION 8064 (N22E70) ROTATED OVER THE EAST LIMB. A SMALL
FILAMENT DISAPPEARED BETWEEN 22/1850-1900 FROM N32W05. A SPOT MAY
BE REFORMING IN PLAGE REGION 8062 (N23E00). SURGING WAS REPORTED
NEAR SW28 EARLY IN THE UT DAY.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW.
IIA. Geophysical Activity Summary 21-2100Z to 22-2100Z
THE GEOMAGNETIC FIELD WAS QUIET FOR THE PAST 24 HOURS.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO PERSIST AT QUIET LEVELS AT MIDDLE AND LOW LATITUDES
THROUGHOUT THE FORECAST PERIOD, WITH THE POSSIBILITY OF UNSETTLED
CONDITIONS AT HIGH LATITUDES.
III. Event Probabilities 23 JUL to 25 JUL
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 22 JUL 072 Predicted 23 JUL-25 JUL 072/072/072 90 Day Mean 22 JUL 072
V. Geomagnetic A Indices
OBSERVED AFR/AP 21 JUL 007/005 ESTIMATED AFR/AP 22 JUL 005/008 PREDICTED AFR/AP 23 JUL-25 JUL 005/008-005/012-005/010
VI. Geomagnetic Activity Probabilities 23 JUL to 25 JUL
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 05% | 10% | 05% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 05% | 15% | 10% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
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