Viewing archive of Sunday, 26 November 2006
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 2006 Nov 26 2204 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 330 Issued at 2200Z on 26 Nov 2006 IA. Analysis of Solar Active Regions and Activity from 25/2100Z to 26/2100Z: Solar activity was at very low levels. Region 926 (S08E60) produced several B-class flares during the period. Analysis indicates that this region has a simple magnetic structure. No new regions were numbered today.IB. Solar Activity Forecast
Solar activity is expected to be at
very low levels. There is a slight chance of an isolated C-class
flare from Region 926.
IIA. Geophysical Activity Summary 25-2100Z to 26-2100Z
The geomagnetic field was at quiet to active levels. A favorably
positioned coronal hole is responsible for the elevated conditions.
The greater than 2 MeV electron flux at geosynchronous orbit reached
high levels again today.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be at quiet to unsettled levels. Isolated active
periods are possible on 27 November as the coronal hole moves out of
geoeffective position.
III. Event Probabilities 27 Nov to 29 Nov
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 26 Nov 078 Predicted 27 Nov-29 Nov 080/080/080 90 Day Mean 26 Nov 079
V. Geomagnetic A Indices
Observed Afr/Ap 25 Nov 010/015 Estimated Afr/Ap 26 Nov 008/015 Predicted Afr/Ap 27 Nov-29 Nov 005/005-005/005-003/005
VI. Geomagnetic Activity Probabilities 27 Nov to 29 Nov
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 05% | 05% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
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