Joint USAF/NOAA Report of Solar and Geophysical Activity 30 Jan 2009

Product: Report of Solar-Geophysical Activity
Issued: 2009 Jan 30 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 030 Issued at 2200Z on 30 Jan 2009

IA. Analysis of Solar Active Regions and Activity from 29/2100Z to 30/2100Z: Solar activity was very low. No spots were observed on the visible disk. No flares were observed.

IB. Solar Activity Forecast: Solar activity is expected to be very low.

IIA. Geophysical Activity Summary 29/2100Z to 30/2100Z: The geomagnetic field was quiet.

IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be quiet.

III. Event Probabilities 31 Jan-02 Feb

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

IV. Penticton 10.7 cm Flux

• Observed 30 Jan 069
• Predicted 31 Jan-02 Feb 070/070/070
• 90 Day Mean 30 Jan 069

V. Geomagnetic A Indices Observed Afr/Ap 29 Jan 003/004 Estimated Afr/Ap 30 Jan 005/005 Predicted Afr/Ap 31 Jan-02 Feb 005/005-005/005-005/005

VI. Geomagnetic Activity Probabilities 31 Jan-02 Feb

A. Middle Latitudes

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

B. High Latitudes

• Active 05/05/05
• Minor storm 01/01/01
• Major-severe storm 01/01/01