:Product: 0111RSGA.txt :Issued: 2017 Jan 11 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 11 Issued at 2200Z on 11 Jan 2017 IA. Analysis of Solar Active Regions and Activity from 10/2100Z to 11/2100Z: 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 (12 Jan, 13 Jan, 14 Jan). IIA. Geophysical Activity Summary 10/2100Z to 11/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 553 km/s at 11/0659Z. Total IMF reached 6 nT at 11/0656Z. The maximum southward component of Bz reached -3 nT at 10/2250Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 8687 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on days one, two, and three (12 Jan, 13 Jan, 14 Jan). III. Event probabilities 12 Jan-14 Jan Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 11 Jan 075 Predicted 12 Jan-14 Jan 074/073/075 90 Day Mean 11 Jan 077 V. Geomagnetic A Indices Observed Afr/Ap 10 Jan 005/008 Estimated Afr/Ap 11 Jan 007/008 Predicted Afr/Ap 12 Jan-14 Jan 008/010-007/008-008/008 VI. Geomagnetic Activity Probabilities 12 Jan-14 Jan A. Middle Latitudes Active 25/25/20 Minor Storm 10/05/05 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 25/30/25 Major-severe storm 35/30/25