:Product: 0113RSGA.txt :Issued: 2012 Jan 13 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 013 Issued at 2200Z on 13 Jan 2012 IA. Analysis of Solar Active Regions and Activity from 12/2100Z to 13/2100Z: Solar activity has been at low levels for the past 24 hours. A filament channel eruption was observed around 12/2130Z in the northern hemisphere around Region 1396 (N26E18). In connection with this event, a CME was observed in LASCO C2 imagery at 12/2136Z. This CME appears to be non geoeffective. Two new Regions have been numbered in the past 24 hours, Region 1397 (S20E28) and Region 1398 (N13W08). Both regions are magnetically classified as beta. IB. Solar Activity Forecast: Solar activity is expected to be at low levels for the next three days (14 - 16 January). IIA. Geophysical Activity Summary 12/2100Z to 13/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Measurements by the ACE spacecraft indicated the arrival and continuing presence of a coronal hole high speed stream (CH HSS). During the passage of this CH HSS, solar wind speeds started out at around 400 km/s, peaked around 550 km/s, and were at 450 km/s, at the time of the report. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at predominantly quiet levels for the next three days (14 - 16 January). III. Event Probabilities 14 Jan-16 Jan Class M 05/05/05 Class X 01/01/01 Proton 01/01/01 PCAF Green IV. Penticton 10.7 cm Flux Observed 13 Jan 124 Predicted 14 Jan-16 Jan 130/135/135 90 Day Mean 13 Jan 145 V. Geomagnetic A Indices Observed Afr/Ap 12 Jan 005/005 Estimated Afr/Ap 13 Jan 007/007 Predicted Afr/Ap 14 Jan-16 Jan 005/005-004/005-005/005 VI. Geomagnetic Activity Probabilities 14 Jan-16 Jan 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 01/01/01 Major-severe storm 01/01/01