Viewing archive of Tuesday, 29 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 29 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 242 Issued at 2200Z on 29 AUG 2000IA. Analysis of Solar Active Regions and Activity from 28-2100Z to 29-2100Z SOLAR ACTIVITY HAS BEEN LOW. REGION 9147 (N04E53)
PRODUCED AN C3/SN EVENT AT 29/1519Z. A FAINT SEVEN DEGREE LONG
FILAMENT DISAPPEARD BETWEEN 29/0536-1600Z AT S37W45.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO REMAIN
LOW FOR THE FORECAST PERIOD, WITH A CHANCE FOR AN ISOLATED M-CLASS
EVENT.
IIA. GEOPHYSICAL ACTIVITY SUMMARY 28/2100Z TO 29/2100Z:
THE GEOMAGNETIC FIELD WAS AT UNSETTLED TO MAJOR STORM LEVELS FOR THE
PERIOD.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE AT UNSETTLED TO ACTIVE LEVELS FOR THE FIRST DAY OF
THE FORECAST WITH POSSIBLE MINOR STORM LEVELS DURING THE NIGHTTIME
SECTORS. PREDOMINATELY UNSETTLED TO ACTIVE LEVELS ARE EXPECTED
THROUGH DAYS TWO AND THREE. THIS ACTIVITY IS DUE TO A WELL
POSITIONED CORONAL HOLE.
III. Event Probabilities 30 AUG to 01 SEP
| Class M | 30% | 30% | 30% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 29 AUG 163 Predicted 30 AUG-01 SEP 165/165/165 90 Day Mean 29 AUG 182
V. Geomagnetic A Indices
OBSERVED AFR/AP 28 AUG 017/021 ESTIMATED AFR/AP 29 AUG 035/030 PREDICTED AFR/AP 30 AUG-01 SEP 020/020-012/012-012/010
VI. Geomagnetic Activity Probabilities 30 AUG to 01 SEP
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 35% | 25% | 25% |
| Minor storm | 15% | 10% | 10% |
| Major-severe storm | 05% | 05% | 05% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 40% | 30% | 25% |
| Minor storm | 20% | 10% | 10% |
| Major-severe storm | 05% | 05% | 05% |
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