Viewing archive of Friday, 10 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 10 2203 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 314 Issued at 2200Z on 10 Nov 2006IA. Analysis of Solar Active Regions and Activity from 09-2100Z to 10-2100Z Solar activity was very low. Region 923 (S06E58) has
not produced any activity over the past 24 hours. Region 921 has
rotated off the solar disk.
IB. Solar Activity Forecast
Solar activity is expected to be very
low to low for the next three days.
IIA. Geophysical Activity Summary 09-2100Z to 10-2100Z
The geomagnetic field was at unsettled to major storm levels.
Elevated solar wind speed due to the coronal hole high speed stream,
combined with Bz varying between +/- 10 nT, produced multiple major
storm periods at high latitudes. Solar wind speed remains elevated
at approximately 600 km/s.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be unsettled to active on 11 November as the coronal
hole high speed stream wanes. Expect quiet to unsettled conditions
on 12-13 November.
III. Event Probabilities 11 Nov to 13 Nov
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 10 Nov 091 Predicted 11 Nov-13 Nov 090/085/085 90 Day Mean 10 Nov 079
V. Geomagnetic A Indices
Observed Afr/Ap 09 Nov 007/010 Estimated Afr/Ap 10 Nov 030/040 Predicted Afr/Ap 11 Nov-13 Nov 010/015-005/010-005/005
VI. Geomagnetic Activity Probabilities 11 Nov to 13 Nov
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 20% | 15% | 15% |
| Minor storm | 10% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 30% | 25% | 15% |
| Minor storm | 20% | 15% | 05% |
| Major-severe storm | 05% | 05% | 01% |
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