Status Report

Joint USAF/NOAA Report of Solar and Geophysical Activity 17 August 2010

By SpaceRef Editor
August 18, 2010
Filed under , , ,

:Product: Report of Solar-Geophysical Activity
:Issued: 2010 Aug 17 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 229 Issued at 2200Z on 17 Aug 2010
IA. Analysis of Solar Active Regions and Activity from 16/2100Z
to 17/2100Z: Solar activity was very low. Region 1099 (N17W97)
produced seven B-class flares during the period. No new regions were
numbered.
IB. Solar Activity Forecast: Solar activity is expected to be very
low, with a slight chance for a C-class flare from Region 1098
(N14W55).
IIA. Geophysical Activity Summary 16/2100Z to 17/2100Z:
The geomagnetic field was quiet.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be quiet for the next three days (18-20 August).
III. Event Probabilities 18 Aug-20 Aug
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF Green
IV. Penticton 10.7 cm Flux
Observed 17 Aug 081
Predicted 18 Aug-20 Aug 081/081/080
90 Day Mean 17 Aug 077
V. Geomagnetic A Indices
Observed Afr/Ap 16 Aug 004/007
Estimated Afr/Ap 17 Aug 004/005
Predicted Afr/Ap 18 Aug-20 Aug 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 18 Aug-20 Aug
A. Middle Latitudes
Active 10/10/10
Minor storm 01/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 10/10/10
Minor storm 01/01/01
Major-severe storm 01/01/01

SpaceRef staff editor.