:Product: Report of Solar-Geophysical Activity
:Issued: 2009 Nov 07 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 311 Issued at 2200Z on 07 Nov 2009
IA. Analysis of Solar Active Regions and Activity from 06/2100Z
to 07/2100Z: Solar activity was very low. Region 1030 (N25W25)
decayed into a spotless plage region today. No flares were observed
during the past 24 hours.
IB. Solar Activity Forecast: Solar activity is expected to be very
low.
IIA. Geophysical Activity Summary 06/2100Z to 07/2100Z:
The geomagnetic field was quiet.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be quiet to unsettled, with a slight chance for an
active period at high latitudes, on day one (08 November). The
increase in activity is due to a weak recurrent coronal hole
high-speed stream. Quiet levels are expected on days two and three
(09-10 November).
III. Event Probabilities 08 Nov-10 Nov
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 07 Nov 071
Predicted 08 Nov-10 Nov 070/070/070
90 Day Mean 07 Nov 071
V. Geomagnetic A Indices
Observed Afr/Ap 06 Nov 000/000
Estimated Afr/Ap 07 Nov 000/003
Predicted Afr/Ap 08 Nov-10 Nov 007/007-005/005-005/005
VI. Geomagnetic Activity Probabilities 08 Nov-10 Nov
A. Middle Latitudes
Active 05/05/05
Minor storm 01/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 10/05/05
Minor storm 01/01/01
Major-severe storm 01/01/01
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