:Product: Report of Solar-Geophysical Activity
:Issued: 2009 Apr 01 2201 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 091 Issued at 2200Z on 01 Apr 2009
IA.  Analysis of Solar Active Regions and Activity from  31/2100Z
to 01/2100Z:  Solar activity was very low. No flares were observed
during the past 24 hours. The visible disk remained spotless.
IB.  Solar Activity Forecast:  Solar activity is expected to be very
low.
IIA.  Geophysical Activity Summary 31/2100Z to 01/2100Z:
The geomagnetic field was quiet.
IIB.  Geophysical Activity Forecast:  The geomagnetic field is
expected to be quiet on 02 April. Quiet to unsettled conditions are
expected on 03-04 April, with a slight chance of active to minor
storm periods at high latitudes.
III.  Event Probabilities 02 Apr-04 Apr
Class M    01/01/01
Class X    01/01/01
Proton     01/01/01
PCAF       Green
IV.  Penticton 10.7 cm Flux
Observed           01 Apr 071
Predicted   02 Apr-04 Apr  072/072/072
90 Day Mean        01 Apr 070
V.  Geomagnetic A Indices
Observed Afr/Ap 31 Mar  002/004
Estimated Afr/Ap 01 Apr  002/005
Predicted Afr/Ap 02 Apr-04 Apr  005/005-007/008-007/008
VI.  Geomagnetic Activity Probabilities 02 Apr-04 Apr
A.  Middle Latitudes
Active                05/10/10
Minor storm           01/01/01
Major-severe storm    01/01/01
B.  High Latitudes
Active                10/15/15
Minor storm           01/05/05
Major-severe storm    01/01/01