- Press Release
- Oct 5, 2022
Joint USAF/NOAA Report of Solar and Geophysical Activity 09 Aug 2005
Prepared jointly by the U.S. Dept. of Commerce, NOAA,
Space Environment Center and the U.S. Air Force.
Updated 2005 Aug 09 2204 UTC
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 221 Issued at 2200Z on 09 Aug 2005
IA. Analysis of Solar Active Regions and Activity from 08/2100Z
to 09/2100Z: Solar activity has been very low. The only activity
observed during the last 24 hours were low level B-class flares.
Region 792 (N10W82) and 794 (S13W48) are both indicating a decay
phase. No new sunspot regions were numbered today.
IB. Solar Activity Forecast: Solar activity is expected to be very
low with a chance for an isolated C-class flare.
IIA. Geophysical Activity Summary 08/2100Z to 09/2100Z:
The geomagnetic field was at quiet to unsettled levels. The greater
than 2 MeV electron flux at geosynchronous orbit was at high levels.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be at quiet to unsettled levels.
III. Event Probabilities 10 Aug-12 Aug
- Class M 10/10/05
- Class X 01/01/01
- Proton 01/01/01
- PCAF green
IV. Penticton 10.7 cm Flux
- Observed 09 Aug 083
- Predicted 10 Aug-12 Aug 080/075/075
- 90 Day Mean 09 Aug 095
V. Geomagnetic A Indices
- Observed Afr/Ap 08 Aug 006/008
- Estimated Afr/Ap 09 Aug 008/010
- Predicted Afr/Ap 10 Aug-12 Aug 010/010-008/008-008/008
VI. Geomagnetic Activity Probabilities 10 Aug-12 Aug
A. Middle Latitudes
- Active 20/15/15
- Minor storm 10/05/05
- Major-severe storm 01/01/01
B. High Latitudes
- Active 25/20/20
- Minor storm 10/10/10
- Major-severe storm 05/01/01