Joint USAF/NOAA Report of Solar and Geophysical Activity 27 Aug 2008
Product: Report of Solar-Geophysical Activity
Issued: 2008 Aug 27 2200 UTC
Prepared jointly by the U.S. Dept. of Commerce, NOAA,
Space Weather Prediction Center and the U.S. Air Force.
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 240 Issued at 2200Z on 27 Aug 2008
IA. Analysis of Solar Active Regions and Activity from 26/2100Z to 27/2100Z: Solar activity was very low. The visible disk remains spotless.
IB. Solar Activity Forecast: Solar activity is expected to be very low.
IIA. Geophysical Activity Summary 26/2100Z to 27/2100Z: The geomagnetic field was quiet.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be mostly quiet on day one (28 August) and quiet on days two and three (29-30 August).
III. Event Probabilities 28 Aug-30 Aug
- Class M 01/01/01
- Class X 01/01/01
- Proton 01/01/01
- PCAF Green
IV. Penticton 10.7 cm Flux
- Observed 27 Aug 067
- Predicted 28 Aug-30 Aug 067/067/067
- 90 Day Mean 27 Aug 066
V. Geomagnetic A Indices
- Observed Afr/Ap 26 Aug 001/003
- Estimated Afr/Ap 27 Aug 005/004
- Predicted Afr/Ap 28 Aug-30 Aug 007/007-005/005-005/005
VI. Geomagnetic Activity Probabilities 28 Aug-30 Aug
A. Middle Latitudes
- Active 05/01/01
- Minor storm 01/01/01
- Major-severe storm 01/01/01
B. High Latitudes
- Active 15/05/05
- Minor storm 01/01/01
- Major-severe storm 01/01/01