:Product: 0318RSGA.txt
:Issued: 2011 Mar 18 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 Report of Solar and Geophysical Activity
SDF Number 077 Issued at 2200Z on 18 Mar 2011
IA.  Analysis of Solar Active Regions and Activity from  17/2100Z
to 18/2100Z:  Solar activity was at very low levels. Region 1173
(S29E14) produced a single B3 X-ray event at 18/1145Z. New Region
1175 (N13W09) emerged on the disk as a simple bi-polar group.
IB.  Solar Activity Forecast:  Solar activity is expected to be at
predominately very low levels for the next three days (19 - 21
March). A chance for C-class activity exists all three days.
IIA.  Geophysical Activity Summary 17/2100Z to 18/2100Z:
The geomagnetic field was quiet at all latitudes.
IIB.  Geophysical Activity Forecast:  The geomagnetic field is
expected to be quiet for the next three days (19 - 21 March).
III.  Event Probabilities 19 Mar-21 Mar
Class M    01/01/01
Class X    01/01/01
Proton     01/01/01
PCAF       green
IV.  Penticton 10.7 cm Flux
Observed           18 Mar 088
Predicted   19 Mar-21 Mar  080/085/090
90 Day Mean        18 Mar 094
V.  Geomagnetic A Indices
Observed Afr/Ap 17 Mar  002/003
Estimated Afr/Ap 18 Mar  002/003
Predicted Afr/Ap 19 Mar-21 Mar  005/005-005/005-005/005
VI.  Geomagnetic Activity Probabilities 19 Mar-21 Mar
A.  Middle Latitudes
Active                10/10/10
Minor storm           01/01/01
Major-severe storm    01/01/01
B.  High Latitudes
Active                15/15/15
Minor storm           01/01/01
Major-severe storm    01/01/01