:Product: 0624RSGA.txt :Issued: 2020 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 176 Issued at 2200Z on 24 Jun 2020 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 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 (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 344 km/s at 24/1449Z. Total IMF reached 6 nT at 24/1217Z. The maximum southward component of Bz reached -4 nT at 23/2100Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 157 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (25 Jun, 26 Jun, 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 067 Predicted 25 Jun-27 Jun 068/068/068 90 Day Mean 24 Jun 069 V. Geomagnetic A Indices Observed Afr/Ap 23 Jun 006/004 Estimated Afr/Ap 24 Jun 006/005 Predicted Afr/Ap 25 Jun-27 Jun 006/005-005/005-007/008 VI. Geomagnetic Activity Probabilities 25 Jun-27 Jun A. Middle Latitudes Active 05/05/15 Minor Storm 01/01/05 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 15/15/25 Major-severe storm 10/10/20