Viewing archive of Thursday, 3 August 2000
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 2000 Aug 03 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 216 Issued at 2200Z on 03 AUG 2000IA. Analysis of Solar Active Regions and Activity from 02-2100Z to 03-2100Z SOLAR ACTIVITY WAS LOW. A LONG DURATION C1.4 X-RAY
EVENT OCCURRED BETWEEN 03/0808 - 1012Z AND WAS LIKELY ASSOCIATED
WITH A FILAMENT ERUPTION AND CORONAL MASS EJECTION, ORIGINATING FROM
NEAR THE NW LIMB. NEWLY NUMBERED REGION 9115 (N16E77) PRODUCED A
C1/SF AT 03/1848Z. THIS REGION APPEARS TO BE WHAT'S LEFT OF LAST
ROTATION'S, VERY ACTIVE REGION 9177 (N18, L=310). LIMB PROXIMITY
PREVENTS A THOROUGH ANALYSIS, BUT THE LEVEL OF ACTIVITY OBSERVED ON
THE NE LIMB OVER THE PAST FEW DAYS SUGGEST A MUCH WEAKER, LESS
COMPLEX REGION. REMAINING REGIONS WERE MOSTLY QUIET.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO CONTINUE
AT LOW LEVELS. ISOLATED C-CLASS EVENTS ARE POSSIBLE.
IIA. GEOPHYSICAL ACTIVITY SUMMARY 02/2100Z TO 03/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO CONTINUE AT QUIET TO UNSETTLED LEVELS.
III. Event Probabilities 04 AUG to 06 AUG
| Class M | 30% | 35% | 35% |
| Class X | 01% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 03 AUG 154 Predicted 04 AUG-06 AUG 160/170/180 90 Day Mean 03 AUG 190
V. Geomagnetic A Indices
OBSERVED AFR/AP 02 AUG 009/014 ESTIMATED AFR/AP 03 AUG 010/010 PREDICTED AFR/AP 04 AUG-06 AUG 010/010-010/010-010/010
VI. Geomagnetic Activity Probabilities 04 AUG to 06 AUG
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 25% | 25% | 25% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 30% | 30% | 30% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
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