:Product: 0929RSGA.txt :Issued: 2019 Sep 29 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 272 Issued at 2200Z on 29 Sep 2019 IA. Analysis of Solar Active Regions and Activity from 28/2100Z to 29/2100Z: 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 (30 Sep, 01 Oct, 02 Oct). IIA. Geophysical Activity Summary 28/2100Z to 29/2100Z: The geomagnetic field has been at quiet to active levels for the past 24 hours. Solar wind speed reached a peak of 646 km/s at 28/2226Z. Total IMF reached 5 nT at 29/2058Z. The maximum southward component of Bz reached -4 nT at 29/2023Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 49260 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on days one, two, and three (30 Sep, 01 Oct, 02 Oct). III. Event probabilities 30 Sep-02 Oct Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 29 Sep 067 Predicted 30 Sep-02 Oct 068/068/068 90 Day Mean 29 Sep 067 V. Geomagnetic A Indices Observed Afr/Ap 28 Sep 021/025 Estimated Afr/Ap 29 Sep 013/015 Predicted Afr/Ap 30 Sep-02 Oct 007/010-007/008-008/008 VI. Geomagnetic Activity Probabilities 30 Sep-02 Oct A. Middle Latitudes Active 20/15/15 Minor Storm 05/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/20/20 Minor Storm 30/25/25 Major-severe storm 30/20/20