Joint USAF/NOAA Report of Solar and Geophysical Activity 04 Feb 2006

Product: Report of Solar-Geophysical Activity
Issued: 2006 Feb 04 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 035 Issued at 2200Z on 04 Feb 2006

IA. Analysis of Solar Active Regions and Activity from 03/2100Z to 04/2100Z: Solar activity was very low. The solar disk continues to be spotless.

IB. Solar Activity Forecast: Solar activity is expected to be very low for the next three days (05-07 Feb).

IIA. Geophysical Activity Summary 03/2100Z to 04/2100Z: The geomagnetic field was quiet.

IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be mostly quiet for the next three days (05-07 Feb).

III. Event Probabilities 05 Feb-07 Feb

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

IV. Penticton 10.7 cm Flux

• Observed 04 Feb 077
• Predicted 05 Feb-07 Feb 077/077/077
• 90 Day Mean 04 Feb 087

V. Geomagnetic A Indices

• Observed Afr/Ap 03 Feb 003/004
• Estimated Afr/Ap 04 Feb 005/006
• Predicted Afr/Ap 05 Feb-07 Feb 005/005-005/008-005/005

VI. Geomagnetic Activity Probabilities 05 Feb-07 Feb

A. Middle Latitudes

• Active 20/20/20
• Minor storm 10/10/10
• Major-severe storm 01/01/01

B. High Latitudes

• Active 20/20/20
• Minor storm 15/15/15
• Major-severe storm 01/01/01