:Product: 1028RSGA.txt
:Issued: 2018 Oct 28 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 301 Issued at 2200Z on 28 Oct 2018

IA.  Analysis of Solar Active Regions and Activity from 27/2100Z to
28/2100Z: 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 (29 Oct, 30 Oct, 31 Oct).

IIA.  Geophysical Activity Summary 27/2100Z to 28/2100Z: The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 369 km/s at 28/0020Z.
IIB.  Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet to unsettled levels on day one (29 Oct) and quiet to
active levels on days two and three (30 Oct, 31 Oct).

III.  Event probabilities 29 Oct-31 Oct
Class M    01/01/01
Class X    01/01/01
Proton     01/01/01
PCAF       green

IV.  Penticton 10.7 cm Flux
Observed           28 Oct 068
Predicted   29 Oct-31 Oct 069/069/069
90 Day Mean        28 Oct 069

V.  Geomagnetic A Indices
Observed Afr/Ap 27 Oct  003/003
Estimated Afr/Ap 28 Oct  005/005
Predicted Afr/Ap 29 Oct-31 Oct  007/008-009/012-010/010

VI.  Geomagnetic Activity Probabilities 29 Oct-31 Oct
A.  Middle Latitudes
Active                15/30/30
Minor Storm           01/10/10
Major-severe storm    01/01/01
B.  High Latitudes
Active                15/15/15
Minor Storm           25/30/30
Major-severe storm    20/40/40