:Product: 0627RSGA.txt :Issued: 2019 Jun 27 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 178 Issued at 2200Z on 27 Jun 2019 IA. Analysis of Solar Active Regions and Activity from 26/2100Z to 27/2100Z: 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 (28 Jun, 29 Jun, 30 Jun). IIA. Geophysical Activity Summary 26/2100Z to 27/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 429 km/s at 26/2128Z. Total IMF reached 5 nT at 27/0127Z. The maximum southward component of Bz reached -3 nT at 27/0028Z. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (28 Jun, 29 Jun, 30 Jun). III. Event probabilities 28 Jun-30 Jun Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 27 Jun 067 Predicted 28 Jun-30 Jun 067/067/067 90 Day Mean 27 Jun 071 V. Geomagnetic A Indices Observed Afr/Ap 26 Jun 005/006 Estimated Afr/Ap 27 Jun 004/005 Predicted Afr/Ap 28 Jun-30 Jun 006/005-006/005-006/005 VI. Geomagnetic Activity Probabilities 28 Jun-30 Jun A. Middle Latitudes Active 10/10/10 Minor Storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 15/20/15 Major-severe storm 15/10/10