Viewing archive of Monday, 2 November 1998
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 1998 Nov 02 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
: : : : : CORRECTED COPY : : : : : : : : : : SDF Number 306 Issued at 2200Z on 02 NOV 1998IA. Analysis of Solar Active Regions and Activity from 01-2100Z to 02-2100Z SOLAR ACTIVITY WAS LOW. A SINGLE C4/1F EVENT OCCURRED
IN REGION 8376 (S27E41) AT 02/1358UT. THIS IS A NEW NUMBERED REGION
DUE TO THE FACT THAT IT CREATED AN X-RAY AND OPTICAL FLARE, EVEN
THOUGH IT DOES NOT CONTAIN ANY SPOTS. ANOTHER NEW REGION WAS
NUMBERED 8377 (N22E75). REGION 8377 IS ROTATING ONTO THE EAST LIMB
AND CONTAINS A SINGLE SPOT AT THIS TIME. REGION 8375 (N19E20)
PRODUCED A SINGLE OPTICAL FLARE. THE REST OF THE REGIONS HAVE BEEN
MOSTLY QUIET AND STABLE.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW TO LOW. ISOLATED C-CLASS FLARES MAY OCCUR FROM REGIONS 8375 AND
8376.
IIA. Geophysical Activity Summary 01-2100Z to 02-2100Z
THE GEOMAGNETIC FIELD WAS QUIET. ENERGETIC ELECTRONS AT
GEOSYNCHRONOUS ORBIT WERE AT HIGH LEVELS FOR MOST OF THE PERIOD AND
THEN FALLING BELOW THRESHOLD LEVELS AT 02/2000UT.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED.
III. Event Probabilities 03 NOV to 05 NOV
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 02 NOV 126 Predicted 03 NOV-05 NOV 125/130/130 90 Day Mean 02 NOV 131
V. Geomagnetic A Indices
OBSERVED AFR/AP 01 NOV 002/003 ESTIMATED AFR/AP 02 NOV 005/008 PREDICTED AFR/AP 03 NOV-05 NOV 010/008-010/008-010/008
VI. Geomagnetic Activity Probabilities 03 NOV to 05 NOV
| 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% |
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