Viewing archive of Wednesday, 1 September 2010
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 2010 Sep 01 2201 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 244 Issued at 2200Z on 01 Sep 2010IA. Analysis of Solar Active Regions and Activity from 31-2100Z to 01-2100Z Solar activity has been at very low levels for the past
24 hours. Region 1101 (N12W32) and Region 1102 (N26W52) grew in
areal coverage but remained stable and quiet. New Regions 1103
(N25W32) and 1104 (N24W27) developed late in the period and are both
magnetically classified as beta groups.
IB. Solar Activity Forecast
Solar activity is expected to be at
very low levels with a slight chance for C-class events for the next
three days (02-04 September).
IIA. Geophysical Activity Summary 31-2100Z to 01-2100Z
The geomagnetic field has been at quiet levels for the past 24 hours.
The greater than 2 MeV electron flux at geosynchronous orbit was at
high levels throughout the period.
IIB. Geophysical Activity Forecast
The geomagnetic field is
expected to be at quiet levels for the next three days (02-04
September).
III. Event Probabilities 02 Sep to 04 Sep
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | Green | ||
IV. Penticton 10.7 cm Flux
Observed 01 Sep 076 Predicted 02 Sep-04 Sep 076/076/077 90 Day Mean 01 Sep 078
V. Geomagnetic A Indices
Observed Afr/Ap 31 Aug 002/002 Estimated Afr/Ap 01 Sep 002/005 Predicted Afr/Ap 02 Sep-04 Sep 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 02 Sep to 04 Sep
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 05% | 05% | 05% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 05% | 05% | 05% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
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