- Press Release
- Nov 30, 2022
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast 16 June 2019
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 167 Issued at 2200Z on 16 Jun 2019
IA. Analysis of Solar Active Regions and Activity from 15/2100Z to 16/2100Z: 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 (17 Jun, 18 Jun, 19 Jun).
IIA. Geophysical Activity Summary 15/2100Z to 16/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 415 km/s at 16/1200Z.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to active levels on days one, two, and three (17 Jun, 18 Jun, 19 Jun).
III. Event probabilities 17 Jun-19 Jun
Class M 01/01/01
Class X 01/01/01
IV. Penticton 10.7 cm Flux
Observed 16 Jun 066
Predicted 17 Jun-19 Jun 067/067/067
90 Day Mean 16 Jun 072
V. Geomagnetic A Indices
Observed Afr/Ap 15 Jun 006/005
Estimated Afr/Ap 16 Jun 006/006
Predicted Afr/Ap 17 Jun-19 Jun 010/012-010/012-010/012
VI. Geomagnetic Activity Probabilities 17 Jun-19 Jun
A. Middle Latitudes
Minor Storm 05/05/05
Major-severe storm 01/01/01
B. High Latitudes
Minor Storm 30/30/30
Major-severe storm 25/25/25