:Product: 0408RSGA.txt
:Issued: 2016 Apr 08 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 99 Issued at 2200Z on 08 Apr 2016

IA.  Analysis of Solar Active Regions and Activity from 07/2100Z to
08/2100Z: Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C1 event observed at
08/1638Z from Region 2529 (N10E65). There are currently 2 numbered
sunspot regions on the disk.
IB.  Solar Activity Forecast: Solar activity is likely to be low with a
slight chance for an M-class flare on days one, two, and three (09 Apr,
10 Apr, 11 Apr).

IIA.  Geophysical Activity Summary 07/2100Z to 08/2100Z: The geomagnetic
field has been at quiet to minor storm levels for the past 24 hours.
Solar wind speed reached a peak of 1039 km/s at 07/2216Z. Total IMF
reached 12 nT at 08/0235Z. The maximum southward component of Bz reached
-10 nT at 07/2127Z.
IIB.  Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet to unsettled levels on day one (09 Apr) and quiet levels
on days two and three (10 Apr, 11 Apr).

III.  Event probabilities 09 Apr-11 Apr
Class M    10/10/10
Class X    01/01/01
Proton     01/01/01
PCAF       green

IV.  Penticton 10.7 cm Flux
Observed           08 Apr 098
Predicted   09 Apr-11 Apr 100/105/105
90 Day Mean        08 Apr 098

V.  Geomagnetic A Indices
Observed Afr/Ap 07 Apr  010/013
Estimated Afr/Ap 08 Apr  011/012
Predicted Afr/Ap 09 Apr-11 Apr  007/008-006/005-006/005

VI.  Geomagnetic Activity Probabilities 09 Apr-11 Apr
A.  Middle Latitudes
Active                20/10/10
Minor Storm           05/01/01
Major-severe storm    01/01/01
B.  High Latitudes
Active                15/15/15
Minor Storm           25/10/10
Major-severe storm    25/10/10