Viewing archive of Tuesday, 11 November 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 Nov 11 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 315 Issued at 2200Z on 11 NOV 1997IA. Analysis of Solar Active Regions and Activity from 10-2100Z to 11-2100Z SOLAR ACTIVITY REMAINED LOW. REGION 8103 (N18W84)
GENERATED FOUR ADDITIONAL C-CLASS X-RAY EVENTS IN THE PAST 24 HOURS,
THE LARGEST A C4/SF AT 11/0727. REGION 8106 (N27W44) WAS NUMBERED
YESTERDAY, BUT WAS NOT OFFICIALLY CLASSIFIED UNTIL TODAY DUE TO
POOR/INCONSISTENT SEEING AT THE ONSERVING STATIONS. REGION 8106 IS
CURRENTLY A 5-SPOT 'CSO' BETA GROUP.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW TO LOW. REGION 8103 COULD GENERATE ADDITIONAL C-CLASS
EVENTS AS IT DEPARTS THE WEST LIMB. REGION 8106 HAS ALSO SHOWN THE
POTENTIAL FOR C-CLASS ACTIVITY.
IIA. Geophysical Activity Summary 10-2100Z to 11-2100Z
THE GEOMAGNETIC FIELD HAS BEEN QUIET FOR THE PAST 24 HOURS, EXCEPT
FOR A SINGLE PERIOD OF UNSETTLED CONDITIONS DURING THE INTERVAL
11/0300-0600Z.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY QUIET, WITH ISOLATED PERIODS OF UNSETTLED
CONDITIONS, FOR THE NEXT THREE DAYS.
III. Event Probabilities 12 NOV to 14 NOV
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 11 NOV 092 Predicted 12 NOV-14 NOV 088/086/086 90 Day Mean 11 NOV 090
V. Geomagnetic A Indices
OBSERVED AFR/AP 10 NOV 013/010 ESTIMATED AFR/AP 11 NOV 008/008 PREDICTED AFR/AP 12 NOV-14 NOV 005/008-005/008-005/005
VI. Geomagnetic Activity Probabilities 12 NOV to 14 NOV
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| 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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