- Status Report
- Feb 4, 2023
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast 5 July 2017
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 186 Issued at 2200Z on 05 Jul 2017
IA. Analysis of Solar Active Regions and Activity from 04/2100Z to 05/2100Z: Solar activity has been at very low levels for the past 24 hours. There are currently 1 numbered sunspot regions on the disk.
IB. Solar Activity Forecast: Solar activity is expected to be very low on days one, two, and three (06 Jul, 07 Jul, 08 Jul).
IIA. Geophysical Activity Summary 04/2100Z to 05/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 362 km/s at 04/2154Z. Total IMF reached 5 nT at 05/2059Z. The maximum southward component of Bz reached -3 nT at 05/2046Z.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (06 Jul, 07 Jul, 08 Jul).
III. Event probabilities 06 Jul-08 Jul
Class M 01/01/01
Class X 01/01/01
IV. Penticton 10.7 cm Flux
Observed 05 Jul 073
Predicted 06 Jul-08 Jul 074/074/075
90 Day Mean 05 Jul 075
V. Geomagnetic A Indices
Observed Afr/Ap 04 Jul 005/004
Estimated Afr/Ap 05 Jul 004/003
Predicted Afr/Ap 06 Jul-08 Jul 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 06 Jul-08 Jul
A. Middle Latitudes
Minor Storm 05/01/01
Major-severe storm 01/01/01
B. High Latitudes
Minor Storm 15/20/20
Major-severe storm 15/10/10