:Product: 0624RSGA.txt :Issued: 2019 Jun 24 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 175 Issued at 2200Z on 24 Jun 2019 IA. Analysis of Solar Active Regions and Activity from 23/2100Z to 24/2100Z: Solar activity has been at very low levels for the past 24 hours. There are currently 2 numbered sunspot regions on the disk. IB. Solar Activity Forecast: Solar activity is expected to be very low on days one, two, and three (25 Jun, 26 Jun, 27 Jun). IIA. Geophysical Activity Summary 23/2100Z to 24/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 356 km/s at 24/1652Z. Total IMF reached 6 nT at 24/0244Z. The maximum southward component of Bz reached -4 nT at 24/0949Z. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to active levels on day one (25 Jun), quiet to unsettled levels on day two (26 Jun) and quiet levels on day three (27 Jun). III. Event probabilities 25 Jun-27 Jun Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 24 Jun 068 Predicted 25 Jun-27 Jun 068/068/068 90 Day Mean 24 Jun 071 V. Geomagnetic A Indices Observed Afr/Ap 23 Jun 004/004 Estimated Afr/Ap 24 Jun 006/007 Predicted Afr/Ap 25 Jun-27 Jun 009/012-010/010-006/005 VI. Geomagnetic Activity Probabilities 25 Jun-27 Jun A. Middle Latitudes Active 30/20/15 Minor Storm 10/05/05 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 30/30/20 Major-severe storm 30/30/20