NOAA / Space Weather Prediction Center
3-day Report of Solar and Geophysical Activity | |||
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Joint USAF/NOAA Report of Solar and Geophysical Activity SDF Number 236 Issued at 2200Z on 24 Aug 2009 IA. Analysis of Solar Active Regions and Activity from 23/2100Z to 24/2100Z: Solar activity was very low. The disk is spotless and no flares were observed. IB. Solar Activity Forecast: Solar activity is expected to be very low. IIA. Geophysical Activity Summary 23/2100Z to 24/2100Z: The geomagnetic field was quiet. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be quiet during the forecast period (25-27 August). III. Event Probabilities 25 Aug-27 Aug Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 24 Aug 068 Predicted 25 Aug-27 Aug 068/068/068 90 Day Mean 24 Aug 068 V. Geomagnetic A Indices Observed Afr/Ap 23 Aug 003/005 Estimated Afr/Ap 24 Aug 005/005 Predicted Afr/Ap 25 Aug-27 Aug 005/005-005/005-005/005 VI. Geomagnetic Activity Probabilities 25 Aug-27 Aug A. Middle Latitudes Active 05/05/05 Minor storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 05/05/05 Minor storm 01/01/01 Major-severe storm 01/01/01
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