Viewing archive of Tuesday, 28 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 28 2204 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 332 Issued at 2200Z on 28 Nov 2006IA. Analysis of Solar Active Regions and Activity from 27-2100Z to 28-2100Z Solar activity was very low. Today's largest event was
a B4 from Region 926 (S10E35) at 1510Z, which was accompanied by a
type II radio sweep. Region 926 has a relatively simple magnetic
configuration and does not appear to be growing at this time. Region
927 (N10E46) continues to grow steadily but only produced a few,
low-level B-class events during the past 24 hours.
IB. Solar Activity Forecast
Solar activity is expected to be
predominantly very low for the next three days (29 November - 1
December). There is a chance, however, for an isolated C-class event
from 926 or 927.
IIA. Geophysical Activity Summary 27-2100Z to 28-2100Z
The geomagnetic field was mostly quiet during the past 24 hours. The
greater than 2 MeV electron flux was at high levels.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be predominantly quiet for the next three days.
III. Event Probabilities 29 Nov to 01 Dec
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 28 Nov 086 Predicted 29 Nov-01 Dec 085/085/085 90 Day Mean 28 Nov 079
V. Geomagnetic A Indices
Observed Afr/Ap 27 Nov 007/006 Estimated Afr/Ap 28 Nov 007/005 Predicted Afr/Ap 29 Nov-01 Dec 007/005-007/005-007/005
VI. Geomagnetic Activity Probabilities 29 Nov to 01 Dec
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 05% | 05% | 05% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 05% | 05% | 05% |
All times in UTC
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