From: Space Weather Prediction Center (NOAA)
Posted: Monday, June 11, 2018
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 162 Issued at 2200Z on 11 Jun 2018
IA. Analysis of Solar Active Regions and Activity from 10/2100Z to 11/2100Z: 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 (12 Jun, 13 Jun, 14 Jun).
IIA. Geophysical Activity Summary 10/2100Z to 11/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 331 km/s at 10/2121Z. Total IMF reached 5 nT at 11/1452Z. The maximum southward component of Bz reached -3 nT at 11/2034Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 1842 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on days one and two (12 Jun, 13 Jun) and quiet levels on day three (14 Jun).
III. Event probabilities 12 Jun-14 Jun
Class M 01/01/01
Class X 01/01/01
IV. Penticton 10.7 cm Flux
Observed 11 Jun 070
Predicted 12 Jun-14 Jun 072/072/072
90 Day Mean 11 Jun 070
V. Geomagnetic A Indices
Observed Afr/Ap 10 Jun 004/003
Estimated Afr/Ap 11 Jun 004/004
Predicted Afr/Ap 12 Jun-14 Jun 008/008-007/008-006/005
VI. Geomagnetic Activity Probabilities 12 Jun-14 Jun
A. Middle Latitudes
Minor Storm 05/05/01
Major-severe storm 01/01/01
B. High Latitudes
Minor Storm 25/25/20
Major-severe storm 25/25/10
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