From: Space Weather Prediction Center (NOAA)
Posted: Friday, March 9, 2018
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 68 Issued at 2200Z on 09 Mar 2018
IA. Analysis of Solar Active Regions and Activity from 08/2100Z to 09/2100Z: 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 (10 Mar, 11 Mar, 12 Mar).
IIA. Geophysical Activity Summary 08/2100Z to 09/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 438 km/s at 09/1842Z. Total IMF reached 9 nT at 09/2041Z. The maximum southward component of Bz reached -5 nT at 09/0120Z.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on day (10 Mar) and quiet levels days two and three (11 Mar, 12 Mar).
III. Event probabilities 10 Mar-12 Mar
Class M 01/01/01
Class X 01/01/01
IV. Penticton 10.7 cm Flux
Observed 09 Mar 068
Predicted 10 Mar-12 Mar 068/068/068
90 Day Mean 09 Mar 071
V. Geomagnetic A Indices
Observed Afr/Ap 08 Mar 003/004
Estimated Afr/Ap 09 Mar 008/009
Predicted Afr/Ap 10 Mar-12 Mar 006/005-006/005-006/005
VI. Geomagnetic Activity Probabilities 10 Mar-12 Mar
A. Middle Latitudes
Minor Storm 05/01/01
Major-severe storm 01/01/01
B. High Latitudes
Minor Storm 20/20/20
Major-severe storm 15/10/10
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