:Product: 0625RSGA.txt :Issued: 2019 Jun 25 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 25 Jun 2019 IA. Analysis of Solar Active Regions and Activity from 24/2100Z to 25/2100Z: Solar activity has been at very low levels for the past 24 hours. There are currently 1 numbered sunspot regions on the disk. IB. Solar Activity Forecast: Solar activity is expected to be very low on days one, two, and three (26 Jun, 27 Jun, 28 Jun). IIA. Geophysical Activity Summary 24/2100Z to 25/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 365 km/s at 25/0913Z. Total IMF reached 5 nT at 25/1718Z. The maximum southward component of Bz reached -3 nT at 25/1031Z. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on day one (26 Jun) and quiet levels on days two and three (27 Jun, 28 Jun). III. Event probabilities 26 Jun-28 Jun Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 25 Jun 068 Predicted 26 Jun-28 Jun 068/068/068 90 Day Mean 25 Jun 071 V. Geomagnetic A Indices Observed Afr/Ap 24 Jun 005/005 Estimated Afr/Ap 25 Jun 004/005 Predicted Afr/Ap 26 Jun-28 Jun 008/008-006/005-006/005 VI. Geomagnetic Activity Probabilities 26 Jun-28 Jun A. Middle Latitudes Active 20/15/10 Minor Storm 05/05/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 30/20/20 Major-severe storm 30/20/10