:Product: 0329RSGA.txt :Issued: 2012 Mar 29 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 089 Issued at 2200Z on 29 Mar 2012 IA. Analysis of Solar Active Regions and Activity from 28/2100Z to 29/2100Z: Solar activity has been at low levels. There were six C-class flares over the past 24 hours with five of these originating from old Region 1429 (N19, L=299) which is just beginning to rotate into view as of forecast issue time. The largest flare was a C7 that occurred at 29/0953Z and originated from old Region 1429. New Region 1449 (S18W17) was numbered today and is a D-class spot group. IB. Solar Activity Forecast: Solar activity is expected to be low with a chance for an isolated M-class flare. Old Region 1429 will rotate onto the visible disk, increasing the probabilities for M-class flares. IIA. Geophysical Activity Summary 28/2100Z to 29/2100Z: The geomagnetic field was quiet for the past 24 hours. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be quiet for the next three days (30 March - 1 April) III. Event Probabilities 30 Mar-01 Apr Class M 35/35/35 Class X 05/05/05 Proton 05/05/05 PCAF Green IV. Penticton 10.7 cm Flux Observed 29 Mar 112 Predicted 30 Mar-01 Apr 120/130/135 90 Day Mean 29 Mar 119 V. Geomagnetic A Indices Observed Afr/Ap 28 Mar 010/015 Estimated Afr/Ap 29 Mar 003/004 Predicted Afr/Ap 30 Mar-01 Apr 006/005-006/005-006/005 VI. Geomagnetic Activity Probabilities 30 Mar-01 Apr A. Middle Latitudes Active 05/05/05 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 05/05/05