:Product: 0517RSGA.txt
:Issued: 2009 May 17 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 137 Issued at 2200Z on 17 May 2009
IA.  Analysis of Solar Active Regions and Activity from  16/2100Z
to 17/2100Z:  Solar activity was very low. Region 1017 (N18W21) has
produced no flares in the past 24 hours.
IB.  Solar Activity Forecast:  Solar activity is expected to be very
low.
IIA.  Geophysical Activity Summary 16/2100Z to 17/2100Z:
The geomagnetic field was quiet.
IIB.  Geophysical Activity Forecast:  The geomagnetic field is
expected to be quiet for the forecast period (18-19 May).
III.  Event Probabilities 18 May-20 May
Class M    01/01/01
Class X    01/01/01
Proton     01/01/01
PCAF       green
IV.  Penticton 10.7 cm Flux
Observed           17 May 074
Predicted   18 May-20 May  075/074/074
90 Day Mean        17 May 070
V.  Geomagnetic A Indices
Observed Afr/Ap 16 May  003/005
Estimated Afr/Ap 17 May  005/005
Predicted Afr/Ap 18 May-20 May  005/005-005/005-005/005
VI.  Geomagnetic Activity Probabilities 18 May-20 May
A.  Middle Latitudes
Active                05/05/05
Minor storm           01/01/01
Major-severe storm    01/01/01
B.  High Latitudes
Active                10/10/10
Minor storm           01/01/01
Major-severe storm    01/01/01