Report of Solar-Geophysical Activity
Issued: 2008 Jan 10 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 010 Issued at 2200Z on 10 Jan 2008


IA. Analysis of Solar Active Regions and Activity from 09/2100Z
to 10/2100Z: Solar activity was very low. No flares were observed
over the past 24 hours.
IB. Solar Activity Forecast: Solar activity is expected to be very
low.
IIA. Geophysical Activity Summary 09/2100Z to 10/2100Z:
The geomagnetic field was quiet. The greater than 2 MeV electron
flux at geosynchronous orbit was at high levels.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be mostly quiet for 11-12 January. Unsettled to
isolated active conditions are expected on 13 January as a recurrent
coronal hole becomes geoeffective.
III. Event Probabilities 11 Jan-13 Jan
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 10 Jan 076
Predicted 11 Jan-13 Jan 075/075/070
90 Day Mean 10 Jan 073
V. Geomagnetic A Indices
Observed Afr/Ap 09 Jan 006/006
Estimated Afr/Ap 10 Jan 005/005
Predicted Afr/Ap 11 Jan-13 Jan 005/005-005/005-012/015
VI. Geomagnetic Activity Probabilities 11 Jan-13 Jan
A. Middle Latitudes
Active 10/10/20
Minor storm 05/05/15
Major-severe storm 01/01/05
B. High Latitudes
Active 10/10/25
Minor storm 05/05/20
Major-severe storm 01/01/10
 

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