:Product: 0531RSGA.txt
:Issued: 2008 May 31 2203 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 152 Issued at 2200Z on 31 May 2008
IA.  Analysis of Solar Active Regions and Activity from  30/2100Z
to 31/2100Z:  Solar activity was very low.  The visible solar disk
remains spotless.
IB.  Solar Activity Forecast:  Solar activity is expected to be very
low.
IIA.  Geophysical Activity Summary 30/2100Z to 31/2100Z:
The geomagnetic field was quiet to unsettled.  Solar wind velocities
have remained elevated with speeds between 550 - 600 km/s.
IIB.  Geophysical Activity Forecast:  The geomagnetic field is
expected to be at quiet to unsettled levels, with a chance for
isolated active periods, for day one (01 June).  Quiet to unsettled
conditions are expected for day two (02 June), with predominately
quiet levels expected for day three (03 June).
III.  Event Probabilities 01 Jun-03 Jun
Class M    01/01/01
Class X    01/01/01
Proton     01/01/01
PCAF       Green
IV.  Penticton 10.7 cm Flux
Observed           31 May 067
Predicted   01 Jun-03 Jun  068/068/068
90 Day Mean        31 May 071
V.  Geomagnetic A Indices
Observed Afr/Ap 30 May  007/011
Estimated Afr/Ap 31 May  008/010
Predicted Afr/Ap 01 Jun-03 Jun  008/010-005/008-005/005
VI.  Geomagnetic Activity Probabilities 01 Jun-03 Jun
A.  Middle Latitudes
Active                15/10/10
Minor storm           05/01/01
Major-severe storm    01/01/01
B.  High Latitudes
Active                30/25/10
Minor storm           10/05/05
Major-severe storm    05/05/01