Joint USAF/NOAA Report of Solar and Geophysical Activity 01 Aug 2008

Product: Report of Solar-Geophysical Activity
Issued: 2008 Aug 01 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 214 Issued at 2200Z on 01 Aug 2008

IA. Analysis of Solar Active Regions and Activity from 31/2100Z to 01/2100Z: Solar activity was at very low levels. The visible solar disk remained spotless.

IB. Solar Activity Forecast: Solar activity is expected to continue at very low levels.

IIA. Geophysical Activity Summary 31/2100Z to 01/2100Z: The geomagnetic field was at quiet levels.

IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels for the forecast period (02 – 04 August).

III. Event Probabilities 02 Aug-04 Aug

• Class M 01/01/01
• Class X 01/01/01
• Proton 01/01/01
• PCAF Green

IV. Penticton 10.7 cm Flux

• Observed 01 Aug 066
• Predicted 02 Aug-04 Aug 066/066/066
• 90 Day Mean 01 Aug 067

V. Geomagnetic A Indices

• Observed Afr/Ap 31 Jul 004/004
• Estimated Afr/Ap 01 Aug 003/005
• Predicted Afr/Ap 02 Aug-04 Aug 005/005-005/005-005/005

VI. Geomagnetic Activity Probabilities 02 Aug-04 Aug

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 01/01/01
• Major-severe storm 01/01/01