This message is a joint product of the NOAA Space Weather Prediction Center(SWPC) and the USAF Space Weather Flight.
:Product: Report of Solar-Geophysical Activity :Issued: 2018 Dec 11 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 345 Issued at 2200Z on 11 Dec 2018 ===================================================================== IA. Analysis of Solar Active Regions and Activity from 10/2100Z to 11/2100Z: 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 (12 Dec, 13 Dec, 14 Dec). ===================================================================== IIA. Geophysical Activity Summary 10/2100Z to 11/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 605 km/s at 11/0227Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 2714 pfu. ===================================================================== IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (12 Dec, 13 Dec, 14 Dec). ===================================================================== III. Event probabilities 12 Dec-14 Dec Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green ===================================================================== IV. Penticton 10.7 cm Flux Observed 11 Dec 071 Predicted 12 Dec-14 Dec 070/070/070 90 Day Mean 11 Dec 069 ===================================================================== V. Geomagnetic A Indices Observed Afr/Ap 10 Dec 008/008 Estimated Afr/Ap 11 Dec 006/006 Predicted Afr/Ap 12 Dec-14 Dec 005/005-005/005-005/005 ===================================================================== VI. Geomagnetic Activity Probabilities 12 Dec-14 Dec A. Middle Latitudes Active 10/10/10 Minor Storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/20/15 Minor Storm 20/20/15 Major-severe storm 15/10/15 :NWRA: File downloaded: Tue Dec 11 22:40:46 UTC 2018Updated daily at approx. 2235 UTC
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