:Product: 0902RSGA.txt
:Issued: 2020 Sep 02 2200 UTC
# Prepared jointly by the U.S. Dept. of Commerce, NOAA,
# Space Weather Prediction Center and the U.S. Air Force.
#
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 246 Issued at 2200Z on 02 Sep 2020

IA.  Analysis of Solar Active Regions and Activity from 01/2100Z to
02/2100Z: 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 (03 Sep, 04 Sep, 05 Sep).

IIA.  Geophysical Activity Summary 01/2100Z to 02/2100Z: The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed reached a peak of 585 km/s at 01/2100Z.  Electrons greater
than 2 MeV at geosynchronous orbit reached a peak level of 29370 pfu.
IIB.  Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet to unsettled levels on day one (03 Sep) and quiet levels
on days two and three (04 Sep, 05 Sep).

III.  Event probabilities 03 Sep-05 Sep
Class M    01/01/01
Class X    01/01/01
Proton     01/01/01
PCAF       green

IV.  Penticton 10.7 cm Flux
Observed           02 Sep 068
Predicted   03 Sep-05 Sep 070/070/070
90 Day Mean        02 Sep 070

V.  Geomagnetic A Indices
Observed Afr/Ap 01 Sep  016/016
Estimated Afr/Ap 02 Sep  009/009
Predicted Afr/Ap 03 Sep-05 Sep  009/010-006/005-006/005

VI.  Geomagnetic Activity Probabilities 03 Sep-05 Sep
A.  Middle Latitudes
Active                30/15/15
Minor Storm           10/05/05
Major-severe storm    01/01/01
B.  High Latitudes
Active                15/15/15
Minor Storm           25/20/20
Major-severe storm    40/20/20