Joint USAF/NOAA Report of Solar and Geophysical Activity 28 Jul 2007
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Product: Report of Solar-Geophysical Activity
Issued: 2007 Jul 28 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 209 Issued at 2200Z on 28 Jul 2007
IA. Analysis of Solar Active Regions and Activity from 27/2100Z to 28/2100Z: Solar activity was very low. Region 965 (S11E24) was numbered.
IB. Solar Activity Forecast: Solar activity is expected to be very low.
IIA. Geophysical Activity Summary 27/2100Z to 28/2100Z: The geomagnetic field was quiet.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be quiet to unsettled.
III. Event Probabilities 29 Jul-31 Jul
- Class M 01/01/01
- Class X 01/01/01
- Proton 01/01/01
- PCAF Green
IV. Penticton 10.7 cm Flux
- Observed 28 Jul 070
- Predicted 29 Jul-31 Jul 070/070/070
- 90 Day Mean 28 Jul 074
V. Geomagnetic A Indices
- Observed Afr/Ap 27 Jul 006/008
- Estimated Afr/Ap 28 Jul 003/005
- Predicted Afr/Ap 29 Jul-31 Jul 005/005-010/015-010/010
VI. Geomagnetic Activity Probabilities 29 Jul-31 Jul
A. Middle Latitudes
- Active 05/05/05
- Minor storm 01/01/01
- Major-severe storm 01/01/01
B. High Latitudes
- Active 10/10/10
- Minor storm 05/05/05
- Major-severe storm 01/01/01