Report of Solar-Geophysical Activity
Issued: 2008 Nov 24 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 329 Issued at 2200Z on 24 Nov 2008


IA. Analysis of Solar Active Regions and Activity from 23/2100Z
to 24/2100Z: Solar activity was very low. The visible solar disk
remained spotless.
IB. Solar Activity Forecast: Solar activity is expected to remain
very low.
IIA. Geophysical Activity Summary 23/2100Z to 24/2100Z:
The geomagnetic field was quiet.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be unsettled to occasionally active as a recurrent
coronal hole high speed stream becomes geoeffecttive. There is a
slight chance for isolated minor storm activity at high latitudes.
These conditions are expected to persist throughout the forecast
period.
III. Event Probabilities 25 Nov-27 Nov
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF Green
IV. Penticton 10.7 cm Flux
Observed 24 Nov 068
Predicted 25 Nov-27 Nov 070/070/070
90 Day Mean 24 Nov 068
V. Geomagnetic A Indices
Observed Afr/Ap 23 Nov 001/003
Estimated Afr/Ap 24 Nov 001/005
Predicted Afr/Ap 25 Nov-27 Nov 008/008-012/012-008/008
VI. Geomagnetic Activity Probabilities 25 Nov-27 Nov
A. Middle Latitudes
Active 15/20/15
Minor storm 05/10/05
Major-severe storm 01/01/01
B. High Latitudes
Active 20/25/20
Minor storm 10/15/10
Major-severe storm 01/01/01
 

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