:Product: 0726RSGA.txt :Issued: 2018 Jul 26 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 207 Issued at 2200Z on 26 Jul 2018 IA. Analysis of Solar Active Regions and Activity from 25/2100Z to 26/2100Z: 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 (27 Jul, 28 Jul, 29 Jul). IIA. Geophysical Activity Summary 25/2100Z to 26/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 565 km/s at 25/2146Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 3897 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (27 Jul, 28 Jul, 29 Jul). III. Event probabilities 27 Jul-29 Jul Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 26 Jul 066 Predicted 27 Jul-29 Jul 066/066/066 90 Day Mean 26 Jul 071 V. Geomagnetic A Indices Observed Afr/Ap 25 Jul 010/009 Estimated Afr/Ap 26 Jul 004/005 Predicted Afr/Ap 27 Jul-29 Jul 005/005-005/005-006/005 VI. Geomagnetic Activity Probabilities 27 Jul-29 Jul A. Middle Latitudes Active 15/15/15 Minor Storm 05/05/05 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 20/20/20 Major-severe storm 20/20/20