:Product: 0620RSGA.txt :Issued: 2006 Jun 20 2203 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Environment Center and the U.S. Air Force. # Joint USAF/NOAA Report of Solar and Geophysical Activity SDF Number 171 Issued at 2200Z on 20 Jun 2006 IA. Analysis of Solar Active Regions and Activity from 19/2100Z to 20/2100Z: Solar activity was very low. IB. Solar Activity Forecast: Solar activity is expected to be very low. IIA. Geophysical Activity Summary 19/2100Z to 20/2100Z: The geomagnetic field was quiet. The greater than 2 MeV electron flux at geosynchronous orbit was high. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be quiet to unsettled. The greater than 2 MeV electron flux at geosynchronous orbit is expected to be moderate to high. III. Event Probabilities 21 Jun-23 Jun Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 20 Jun 073 Predicted 21 Jun-23 Jun 075/075/075 90 Day Mean 20 Jun 080 V. Geomagnetic A Indices Observed Afr/Ap 19 Jun 004/005 Estimated Afr/Ap 20 Jun 004/005 Predicted Afr/Ap 21 Jun-23 Jun 005/005-005/007-005/005 VI. Geomagnetic Activity Probabilities 21 Jun-23 Jun A. Middle Latitudes Active 05/05/05 Minor storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 20/20/20 Minor storm 10/10/10 Major-severe storm 01/01/01