Joint USAF/NOAA Report of Solar and Geophysical Activity 31 May 2009

:Product: Report of Solar-Geophysical Activity
:Issued: 2009 May 31 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 151 Issued at 2200Z on 31 May 2009
IA. Analysis of Solar Active Regions and Activity from 30/2100Z
to 31/2100Z: Solar activity was very low. No flares were observed
during the past 24 hours. New Region 1019 (N27E41) formed on the
disk and was classified as a Bxo beta spot group.
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.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be quiet for 01-02 June. Quiet to unsettled levels, with
isolated active conditions possible at high latitudes, are expected
on 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 069
Predicted 01 Jun-03 Jun 070/070/070
90 Day Mean 31 May 070
V. Geomagnetic A Indices
Observed Afr/Ap 30 May 002/003
Estimated Afr/Ap 31 May 001/005
Predicted Afr/Ap 01 Jun-03 Jun 005/005-005/005-007/008
VI. Geomagnetic Activity Probabilities 01 Jun-03 Jun
A. Middle Latitudes
Active 05/05/10
Minor storm 01/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 05/10/15
Minor storm 01/01/05
Major-severe storm 01/01/01