:Product: 0110RSGA.txt :Issued: 2017 Jan 10 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 10 Issued at 2200Z on 10 Jan 2017 IA. Analysis of Solar Active Regions and Activity from 09/2100Z to 10/2100Z: 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 (11 Jan, 12 Jan, 13 Jan). IIA. Geophysical Activity Summary 09/2100Z to 10/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 678 km/s at 09/2144Z. Total IMF reached 5 nT at 10/1709Z. The maximum southward component of Bz reached -3 nT at 10/1613Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 36708 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on days one and three (11 Jan, 13 Jan) and quiet to active levels on day two (12 Jan). III. Event probabilities 11 Jan-13 Jan Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 10 Jan 073 Predicted 11 Jan-13 Jan 073/071/071 90 Day Mean 10 Jan 077 V. Geomagnetic A Indices Observed Afr/Ap 09 Jan 008/008 Estimated Afr/Ap 10 Jan 008/010 Predicted Afr/Ap 11 Jan-13 Jan 007/008-008/010-010/010 VI. Geomagnetic Activity Probabilities 11 Jan-13 Jan A. Middle Latitudes Active 25/25/25 Minor Storm 10/10/05 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 25/25/30 Major-severe storm 35/40/30