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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast 11 January 2022

Status Report From: Space Weather Prediction Center (NOAA)
Posted: Tuesday, January 11, 2022

Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 11 Issued at 2200Z on 11 Jan 2022 IA. Analysis of Solar Active Regions and Activity from 10/2100Z to 11/2100Z: Solar activity has been at low levels for the past 24 hours. The largest solar event of the period was a C1 event observed at 11/0838Z. There are currently 4 numbered sunspot regions on the disk.

IB. Solar Activity Forecast: Solar activity is expected to be very low with a chance for a C-class flares on days one, two, and three (12 Jan, 13 Jan, 14 Jan). IIA. Geophysical Activity Summary 10/2100Z to 11/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 422 km/s at 11/0133Z. Total IMF reached 6 nT at 11/2011Z. The maximum southward component of Bz reached -4 nT at 11/1438Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 123 pfu.

IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (12 Jan, 13 Jan, 14 Jan). III. Event probabilities 12 Jan-14 Jan Class M 05/05/05 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 11 Jan 100 Predicted 12 Jan-14 Jan 102/102/104 90 Day Mean 11 Jan 094 V. Geomagnetic A Indices Observed Afr/Ap 10 Jan 004/004 Estimated Afr/Ap 11 Jan 005/005 Predicted Afr/Ap 12 Jan-14 Jan 006/005-005/005-006/005 VI. Geomagnetic Activity Probabilities 12 Jan-14 Jan A. Middle Latitudes Active 10/10/10 Minor Storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 20/20/20 Major-severe storm 20/20/20


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