:Product: 0107RSGA.txt :Issued: 2017 Jan 06 2205 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 6 Issued at 2200Z on 07 Jan 2017 IA. Analysis of Solar Active Regions and Activity from 05/2100Z to 06/2100Z: Solar activity has been at very low levels for the past 24 hours. There are currently 0 numbered sunspot regions on the disk. IB. Solar Activity Forecast: Solar activity is expected to be very low on days one, two, and three (07 Jan, 08 Jan, 09 Jan). IIA. Geophysical Activity Summary 05/2100Z to 06/2100Z: The geomagnetic field has been at quiet to active levels for the past 24 hours. Solar wind speed reached a peak of 765 km/s at 06/0324Z. Total IMF reached 12 nT at 05/2118Z. The maximum southward component of Bz reached -9 nT at 05/2129Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 8106 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to active levels on day one (07 Jan), quiet to unsettled levels on day two (08 Jan) and quiet levels on day three (09 Jan). III. Event probabilities 07 Jan-09 Jan Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 06 Jan 072 Predicted 07 Jan-09 Jan 072/072/072 90 Day Mean 06 Jan 078 V. Geomagnetic A Indices Observed Afr/Ap 05 Jan 015/018 Estimated Afr/Ap 06 Jan 015/019 Predicted Afr/Ap 07 Jan-09 Jan 015/018-009/010-006/005 VI. Geomagnetic Activity Probabilities 07 Jan-09 Jan A. Middle Latitudes Active 25/20/10 Minor Storm 10/05/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 30/30/20 Major-severe storm 40/30/15