From: Space Weather Prediction Center (NOAA)
Posted: Tuesday, January 2, 2018
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 2 Issued at 2200Z on 02 Jan 2018
IA. Analysis of Solar Active Regions and Activity from 01/2100Z to 02/2100Z: 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 (03 Jan, 04 Jan, 05 Jan).
IIA. Geophysical Activity Summary 01/2100Z to 02/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 468 km/s at 01/2100Z. Total IMF reached 6 nT at 02/1116Z. The maximum southward component of Bz reached -4 nT at 02/1505Z.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (03 Jan, 04 Jan, 05 Jan).
III. Event probabilities 03 Jan-05 Jan
Class M 01/01/01
Class X 01/01/01
IV. Penticton 10.7 cm Flux
Observed 02 Jan 070
Predicted 03 Jan-05 Jan 071/071/070
90 Day Mean 02 Jan 073
V. Geomagnetic A Indices
Observed Afr/Ap 01 Jan 008/008
Estimated Afr/Ap 02 Jan 005/005
Predicted Afr/Ap 03 Jan-05 Jan 006/005-006/005-006/005
VI. Geomagnetic Activity Probabilities 03 Jan-05 Jan
A. Middle Latitudes
Minor Storm 05/01/01
Major-severe storm 01/01/01
B. High Latitudes
Minor Storm 20/15/15
Major-severe storm 20/15/10
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