Viewing archive of Monday, 14 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 14 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 227 Issued at 2200Z on 14 AUG 2000IA. Analysis of Solar Active Regions and Activity from 13-2100Z to 14-2100Z SOLAR ACTIVITY WAS LOW. OCCASIONAL C-CLASS EVENTS
OCCURRED, THE LARGEST BEING A C8/1F FROM REGION 9126 (N06W84) AT
14/0508UT. REGION 9129 (S06E48) PRODUCED A C5/1F AT 14/0742UT.
REGION 9125 (N25E15) REMAINS THE LARGEST AND MOST COMPLEX SPOT
GROUP. IT HAS GROWN IN SIZE AND NUMBER OF SPOTS SINCE YESTERDAY,
HOWEVER IT HAS ONLY PRODUCED ISOLATED OPTICAL SUBFLARES DURING THE
PERIOD. TWO NEW REGIONS WERE NUMBERED: 9132 (N23E52) AND 9133
(S09E03).
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE LOW
TO MODERATE.
IIA. GEOPHYSICAL ACTIVITY SUMMARY 13/2100Z TO 14/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY QUIET TO UNSETTLED.
III. Event Probabilities 15 AUG to 17 AUG
| Class M | 30% | 30% | 30% |
| Class X | 05% | 05% | 05% |
| Proton | 01% | 05% | 05% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 14 AUG 190 Predicted 15 AUG-17 AUG 190/185/180 90 Day Mean 14 AUG 188
V. Geomagnetic A Indices
OBSERVED AFR/AP 13 AUG 016/016 ESTIMATED AFR/AP 14 AUG 010/010 PREDICTED AFR/AP 15 AUG-17 AUG 010/015-015/015-010/010
VI. Geomagnetic Activity Probabilities 15 AUG to 17 AUG
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 25% | 30% | 25% |
| Minor storm | 10% | 15% | 10% |
| Major-severe storm | 05% | 05% | 05% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 40% | 40% | 35% |
| Minor storm | 15% | 15% | 10% |
| Major-severe storm | 05% | 05% | 05% |
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