Report of Solar-Geophysical Activity
Issued: 2010 Mar 29 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 088 Issued at 2200Z on 29 Mar 2010


IA. Analysis of Solar Active Regions and Activity from 28/2100Z
to 29/2100Z: Solar activity was very low. Region 1057 (N15W10)
remains at a Beta magnetic classification. Region 1059 (S23E48)
remains quiet and stable as an Alpha spot.
IB. Solar Activity Forecast: Solar activity is expected to be low
with C-class flares likely and a slight chance for a M-class flare
for the next 3 days (30 March - 01 April).
IIA. Geophysical Activity Summary 28/2100Z to 29/2100Z:
The geomagnetic field was quiet.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be quiet with the possiblility for an isolated period of
unsettled conditions for the next 3 days (30 March - 01 April).
III. Event Probabilities 30 Mar-01 Apr
Class M 15/15/15
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 29 Mar 083
Predicted 30 Mar-01 Apr 082/082/082
90 Day Mean 29 Mar 083
V. Geomagnetic A Indices
Observed Afr/Ap 28 Mar 004/007
Estimated Afr/Ap 29 Mar 005/007
Predicted Afr/Ap 30 Mar-01 Apr 005/007-005/007-005/005
VI. Geomagnetic Activity Probabilities 30 Mar-01 Apr
A. Middle Latitudes
Active 25/25/20
Minor storm 10/10/05
Major-severe storm 01/01/01
B. High Latitudes
Active 40/40/20
Minor storm 15/15/10
Major-severe storm 01/01/01
 

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