:Product: 0308RSGA.txt :Issued: 2013 Mar 08 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 Solar Geophysical Activity Report and Forecast SDF Number 67 Issued at 2200Z on 08 Mar 2013 IA. Analysis of Solar Active Regions and Activity from 07/2100Z to 08/2100Z: Solar activity has been at very low levels for the past 24 hours. There are currently 4 numbered sunspot regions on the disk. IB. Solar Activity Forecast: Solar activity is likely to be low with a slight chance for an M-class flare on days one, two, and three (09 Mar, 10 Mar, 11 Mar). IIA. Geophysical Activity Summary 07/2100Z to 08/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed, as measured by the ACE spacecraft, reached a peak speed of 349 km/s at 08/1141Z. Total IMF reached 6 nT at 08/0752Z. The maximum southward component of Bz reached -3 nT at 08/1807Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 1612 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (09 Mar, 10 Mar, 11 Mar). III. Event probabilities 09 Mar-11 Mar Class M 15/15/15 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 08 Mar 115 Predicted 09 Mar-11 Mar 118/120/120 90 Day Mean 08 Mar 115 V. Geomagnetic A Indices Observed Afr/Ap 07 Mar 002/003 Estimated Afr/Ap 08 Mar 002/003 Predicted Afr/Ap 09 Mar-11 Mar 006/005-006/005-006/005 VI. Geomagnetic Activity Probabilities 09 Mar-11 Mar A. Middle Latitudes Active 10/10/10 Minor Storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 15/15/15 Major-severe storm 10/10/10