From: Space Weather Prediction Center (NOAA)
Posted: Saturday, July 7, 2018
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 187 Issued at 2200Z on 06 Jul 2018
IA. Analysis of Solar Active Regions and Activity from 05/2100Z to 06/2100Z: 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 (07 Jul, 08 Jul, 09 Jul).
IIA. Geophysical Activity Summary 05/2100Z to 06/2100Z: The geomagnetic field has been at quiet to active levels for the past 24 hours. Solar wind speed reached a peak of 494 km/s at 06/2034Z. Total IMF reached 10 nT at 05/2141Z. The maximum southward component of Bz reached -7 nT at 05/2209Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 183 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one and two (07 Jul, 08 Jul) and quiet to unsettled levels on day three (09 Jul).
III. Event probabilities 07 Jul-09 Jul
Class M 01/01/01
Class X 01/01/01
IV. Penticton 10.7 cm Flux
Observed 06 Jul 071
Predicted 07 Jul-09 Jul 072/072/072
90 Day Mean 06 Jul 071
V. Geomagnetic A Indices
Observed Afr/Ap 05 Jul 011/015
Estimated Afr/Ap 06 Jul 008/008
Predicted Afr/Ap 07 Jul-09 Jul 006/005-006/005-006/008
VI. Geomagnetic Activity Probabilities 07 Jul-09 Jul
A. Middle Latitudes
Minor Storm 01/01/05
Major-severe storm 01/01/01
B. High Latitudes
Minor Storm 20/20/25
Major-severe storm 20/15/20
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