Viewing archive of Tuesday, 5 December 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 Dec 05 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 340 Issued at 2200Z on 05 Dec 2000IA. Analysis of Solar Active Regions and Activity from 04-2100Z to 05-2100Z Solar activity has been low. A long duration C1 X-ray
flare occurred at 05/1823Z. An examination of SOHO/EIT images
suggest that it originated from Region 9246 (S17E51). The remainder
of the solar disk was mostly stable through the period.
IB. Solar Activity Forecast
Solar activity is expected to be low
for the forecast period.
IIA. Geophysical Activity Summary 04-2100Z to 05-2100Z
The geomagnetic field was predominately quiet the past 24 hours. One
period of active conditions was observed at mid latitudes at
04/2400Z.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be quiet to unsettled for the forecast period.
III. Event Probabilities 06 Dec to 08 Dec
| Class M | 10% | 10% | 10% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 05 Dec 147 Predicted 06 Dec-08 Dec 145/145/145 90 Day Mean 05 Dec 176
V. Geomagnetic A Indices
Observed Afr/Ap 04 Dec 008/010 Estimated Afr/Ap 05 Dec 008/010 Predicted Afr/Ap 06 Dec-08 Dec 010/010-010/010-010/010
VI. Geomagnetic Activity Probabilities 06 Dec to 08 Dec
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 20% | 20% | 20% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 25% | 25% | 25% |
| Minor storm | 10% | 10% | 10% |
| Major-severe storm | 05% | 05% | 05% |
All times in UTC
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