Joint USAF/NOAA Report of Solar and Geophysical Activity 29 Oct 2005

Prepared jointly by the U.S. Dept. of Commerce, NOAA,
Space Environment Center and the U.S. Air Force.

Updated 2005 Oct 29 2204 UTC

Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 302 Issued at 2200Z on 29 Oct 2005

IA. Analysis of Solar Active Regions and Activity from 28/2100Z to 29/2100Z: Solar activity continues at very low levels. A small sunspot developed near S08E66 and was numbered as Region 818.

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

IIA. Geophysical Activity Summary 28/2100Z to 29/2100Z: The geomagnetic field was quiet. Solar wind speed has declined to near 360 km/s.

IIB. Geophysical Activity Forecast: The geomagnetic field is expected to continue at quiet levels.

III. Event Probabilities 30 Oct-01 Nov

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

IV. Penticton 10.7 cm Flux Observed 29 Oct 074 Predicted 30 Oct-01 Nov 075/075/075 90 Day Mean 29 Oct 086

V. Geomagnetic A Indices

• Observed Afr/Ap 28 Oct 004/005
• Estimated Afr/Ap 29 Oct 003/003
• Predicted Afr/Ap 30 Oct-01 Nov 005/005-005/005-005/005

VI. Geomagnetic Activity Probabilities 30 Oct-01 Nov

A. Middle Latitudes

• Active 10/10/10
• Minor storm 05/05/05
• Major-severe storm 01/01/01

B. High Latitudes

• Active 15/15/15
• Minor storm 05/05/05
• Major-severe storm 01/01/01