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"Solar activity was very low. No flares were observed. The visible disk was
spotless." Joint USAF/NOAA Report of Solar and Geophysical Activity 04 Mar 2009 STATUS REPORT Date Released: Thursday, March 5, 2009 Source: Space Environment Center (NOAA) Product: Report of Solar-Geophysical Activity Issued: 2009 Mar 04 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 Report of Solar and Geophysical Activity SDF Number 063 Issued at 2200Z on 04 Mar 2009 IA. Analysis of Solar Active Regions and Activity from 03/2100Z to 04/2100Z: Solar activity was very low. No flares were observed. The visible disk was spotless. IB. Solar Activity Forecast: Solar activity is expected to be very low. IIA. Geophysical Activity Summary 03/2100Z to 04/2100Z: Geomagnetic field activity was at quiet to unsettled levels. Field activity increased to unsettled levels during 04/0000 - 0300Z. ACE solar wind measurements indicated the increase was associated with a period of sustained southward IMF Bz combined with enhanced IMF Bt and a modest increase in velocities. IIB. Geophysical Activity Forecast: Geomagnetic field activity is expected to be at mostly quiet levels during the period (05 - 07 March). III. Event Probabilities 05 Mar-07 Mar Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF Green IV. Penticton 10.7 cm Flux Observed 04 Mar 070 Predicted 05 Mar-07 Mar 070/070/070 90 Day Mean 04 Mar 070 V. Geomagnetic A Indices Observed Afr/Ap 03 Mar 005/005 Estimated Afr/Ap 04 Mar 005/005 Predicted Afr/Ap 05 Mar-07 Mar 005/005-005/005-005/005 VI. Geomagnetic Activity Probabilities 05 Mar-07 Mar A. Middle Latitudes Active 10/05/05 Minor storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/10/10 Minor storm 01/01/01 Major-severe storm 01/01/01 |
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