From: Space Weather Prediction Center (NOAA)
Posted: Monday, June 12, 2017
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 163 Issued at 2200Z on 12 Jun 2017
IA. Analysis of Solar Active Regions and Activity from 11/2100Z to 12/2100Z: 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 (13 Jun, 14 Jun, 15 Jun).
IIA. Geophysical Activity Summary 11/2100Z to 12/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 550 km/s at 12/1943Z. Total IMF reached 10 nT at 11/2108Z. The maximum southward component of Bz reached -8 nT at 12/0902Z.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on days one and two (13 Jun, 14 Jun) and quiet to active levels on day three (15 Jun).
III. Event probabilities 13 Jun-15 Jun
Class M 01/01/01
Class X 01/01/01
IV. Penticton 10.7 cm Flux
Observed 12 Jun 075
Predicted 13 Jun-15 Jun 074/073/072
90 Day Mean 12 Jun 077
V. Geomagnetic A Indices
Observed Afr/Ap 11 Jun 014/017
Estimated Afr/Ap 12 Jun 008/009
Predicted Afr/Ap 13 Jun-15 Jun 009/010-008/008-013/015
VI. Geomagnetic Activity Probabilities 13 Jun-15 Jun
A. Middle Latitudes
Minor Storm 05/01/10
Major-severe storm 01/01/01
B. High Latitudes
Minor Storm 20/20/20
Major-severe storm 20/15/20
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