Status Report

Joint USAF/NOAA Report of Solar and Geophysical Activity 02 Sep 2009

By SpaceRef Editor
September 3, 2009
Filed under , , ,

:Product: Report of Solar-Geophysical Activity
:Issued: 2009 Sep 02 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 245 Issued at 2200Z on 02 Sep 2009
IA. Analysis of Solar Active Regions and Activity from 01/2100Z
to 02/2100Z: Solar activity was very low. Region 1025 (N17E05)has
decayed to a spotless plage area. No flares were observed.
IB. Solar Activity Forecast: Solar activity is expected to be very
low.
IIA. Geophysical Activity Summary 01/2100Z to 02/2100Z:
The geomagnetic field was quiet.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be mostly quiet with occasional periods of unsettled
conditions on days 1 and 2 (3-4 September). Day 3 (5 September) will
return to quiet conditions.
III. Event Probabilities 03 Sep-05 Sep
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 02 Sep 068
Predicted 03 Sep-05 Sep 069/069/069
90 Day Mean 02 Sep 068
V. Geomagnetic A Indices
Observed Afr/Ap 01 Sep 002/004
Estimated Afr/Ap 02 Sep 005/007
Predicted Afr/Ap 03 Sep-05 Sep 008/010-008/008-005/005
VI. Geomagnetic Activity Probabilities 03 Sep-05 Sep
A. Middle Latitudes
Active 05/05/05
Minor storm 01/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 05/05/05
Minor storm 01/01/01
Major-severe storm 01/01/01

SpaceRef staff editor.