From: Space Weather Prediction Center (NOAA)
Posted: Tuesday, January 8, 2019
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 8 Issued at 2200Z on 08 Jan 2019 IA. Analysis of Solar Active Regions and Activity from 07/2100Z to 08/2100Z: Solar activity has been at very low levels for the past 24 hours. There are currently 0 numbered sunspot regions on the disk.
IB. Solar Activity Forecast: Solar activity is expected to be very low on days one, two, and three (09 Jan, 10 Jan, 11 Jan). IIA. Geophysical Activity Summary 07/2100Z to 08/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 487 km/s at 08/0237Z. Total IMF reached 5 nT at 08/2021Z. The maximum southward component of Bz reached -4 nT at 08/1233Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 2650 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (09 Jan, 10 Jan, 11 Jan). III. Event probabilities 09 Jan-11 Jan Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 08 Jan 071 Predicted 09 Jan-11 Jan 070/070/070 90 Day Mean 08 Jan 070 V. Geomagnetic A Indices Observed Afr/Ap 07 Jan 006/006 Estimated Afr/Ap 08 Jan 006/007 Predicted Afr/Ap 09 Jan-11 Jan 005/005-006/005-005/005 VI. Geomagnetic Activity Probabilities 09 Jan-11 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 10/10/10
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