:Product: 0922RSGA.txt :Issued: 2019 Sep 22 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 265 Issued at 2200Z on 22 Sep 2019 IA. Analysis of Solar Active Regions and Activity from 21/2100Z to 22/2100Z: 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 (23 Sep, 24 Sep, 25 Sep). IIA. Geophysical Activity Summary 21/2100Z to 22/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 372 km/s at 22/1002Z. Total IMF reached 6 nT at 22/1515Z. The maximum southward component of Bz reached -4 nT at 21/2124Z. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to active levels on days one, two, and three (23 Sep, 24 Sep, 25 Sep). III. Event probabilities 23 Sep-25 Sep Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 22 Sep 068 Predicted 23 Sep-25 Sep 068/068/068 90 Day Mean 22 Sep 068 V. Geomagnetic A Indices Observed Afr/Ap 21 Sep 007/008 Estimated Afr/Ap 22 Sep 003/004 Predicted Afr/Ap 23 Sep-25 Sep 010/012-010/012-010/012 VI. Geomagnetic Activity Probabilities 23 Sep-25 Sep A. Middle Latitudes Active 25/25/25 Minor Storm 05/05/05 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 30/30/30 Major-severe storm 30/30/30