Joint USAF/NOAA Report of Solar and Geophysical Activity 02 Aug 2007

Product: Report of Solar-Geophysical Activity
Issued: 2007 Aug 02 2200 UTC
Prepared jointly by the U.S. Dept. of Commerce, NOAA,
Space Environment Center and the U.S. Air Force.
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 214 Issued at 2200Z on 02 Aug 2007
IA. Analysis of Solar Active Regions and Activity from 01/2100Z to 02/2100Z: Solar activity was very low.
IB. Solar Activity Forecast: Solar activity is expected to be very low.
IIA. Geophysical Activity Summary 01/2100Z to 02/2100Z: The geomagnetic field ranged from quiet to unsettled. 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 quiet 03 – 05 August.
III. Event Probabilities 03 Aug-05 Aug
- Class M 01/01/01
- Class X 01/01/01
- Proton 01/01/01
- PCAF Green
IV. Penticton 10.7 cm Flux
- Observed 02 Aug 069
- Predicted 03 Aug-05 Aug 070/070/070
- 90 Day Mean 02 Aug 073
V. Geomagnetic A Indices
- Observed Afr/Ap 01 Aug 015/017
- Estimated Afr/Ap 02 Aug 005/005
- Predicted Afr/Ap 03 Aug-05 Aug 004/005-004/005-004/005
VI. Geomagnetic Activity Probabilities 03 Aug-05 Aug
A. Middle Latitudes
- Active 15/15/15
- Minor storm 05/05/05
- Major-severe storm 01/01/01
B. High Latitudes
- Active 20/20/20
- Minor storm 10/10/10
- Major-severe storm 01/01/01