:Product: 1028RSGA.txt :Issued: 2019 Oct 28 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 301 Issued at 2200Z on 28 Oct 2019 IA. Analysis of Solar Active Regions and Activity from 27/2100Z to 28/2100Z: 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 (29 Oct, 30 Oct, 31 Oct). IIA. Geophysical Activity Summary 27/2100Z to 28/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 659 km/s at 28/0054Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 58545 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on days one and three (29 Oct, 31 Oct) and quiet to active levels on day two (30 Oct). III. Event probabilities 29 Oct-31 Oct Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 28 Oct 069 Predicted 29 Oct-31 Oct 070/070/070 90 Day Mean 28 Oct 067 V. Geomagnetic A Indices Observed Afr/Ap 27 Oct 011/016 Estimated Afr/Ap 28 Oct 009/010 Predicted Afr/Ap 29 Oct-31 Oct 008/008-008/010-007/008 VI. Geomagnetic Activity Probabilities 29 Oct-31 Oct A. Middle Latitudes Active 15/25/15 Minor Storm 05/10/05 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 20/25/25 Major-severe storm 20/35/20