From: Space Weather Prediction Center (NOAA)
Posted: Sunday, June 10, 2018
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 161 Issued at 2200Z on 10 Jun 2018
IA. Analysis of Solar Active Regions and Activity from 09/2100Z to 10/2100Z: 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 (11 Jun, 12 Jun, 13 Jun).
IIA. Geophysical Activity Summary 09/2100Z to 10/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 364 km/s at 10/0011Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 1939 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on day one (11 Jun) and quiet to unsettled levels on days two and three (12 Jun, 13 Jun).
III. Event probabilities 11 Jun-13 Jun
Class M 01/01/01
Class X 01/01/01
IV. Penticton 10.7 cm Flux
Observed 10 Jun 070
Predicted 11 Jun-13 Jun 072/072/072
90 Day Mean 10 Jun 070
V. Geomagnetic A Indices
Observed Afr/Ap 09 Jun 005/004
Estimated Afr/Ap 10 Jun 004/004
Predicted Afr/Ap 11 Jun-13 Jun 006/005-008/008-007/008
VI. Geomagnetic Activity Probabilities 11 Jun-13 Jun
A. Middle Latitudes
Minor Storm 01/05/05
Major-severe storm 01/01/01
B. High Latitudes
Minor Storm 15/25/25
Major-severe storm 10/25/25
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