Joint USAF/NOAA Solar Geophysical Activity Report and Forecast 29 June 2018
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 180 Issued at 2200Z on 29 Jun 2018
IA. Analysis of Solar Active Regions and Activity from 28/2100Z to 29/2100Z: 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 (30 Jun, 01 Jul, 02 Jul).
IIA. Geophysical Activity Summary 28/2100Z to 29/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 543 km/s at 28/2212Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 4596 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on days one, two, and three (30 Jun, 01 Jul, 02 Jul).
III. Event probabilities 30 Jun-02 Jul
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 29 Jun 069
Predicted 30 Jun-02 Jul 068/068/068
90 Day Mean 29 Jun 071
V. Geomagnetic A Indices
Observed Afr/Ap 28 Jun 005/005
Estimated Afr/Ap 29 Jun 005/005
Predicted Afr/Ap 30 Jun-02 Jul 007/008-007/008-007/008
VI. Geomagnetic Activity Probabilities 30 Jun-02 Jul
A. Middle Latitudes
Active 25/25/20
Minor Storm 10/10/05
Major-severe storm 01/01/01
B. High Latitudes
Active 15/15/20
Minor Storm 25/25/25
Major-severe storm 35/35/25