Status Report

Joint USAF/NOAA Report of Solar and Geophysical Activity 1 September 2010

By SpaceRef Editor
September 1, 2010
Filed under , , ,

:Product: Report of Solar-Geophysical Activity
:Issued: 2010 Sep 01 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 244 Issued at 2200Z on 01 Sep 2010
IA. Analysis of Solar Active Regions and Activity from 31/2100Z
to 01/2100Z: Solar activity has been at very low levels for the past
24 hours. Region 1101 (N12W32) and Region 1102 (N26W52) grew in
areal coverage but remained stable and quiet. New Regions 1103
(N25W32) and 1104 (N24W27) developed late in the period and are both
magnetically classified as beta groups.
IB. Solar Activity Forecast: Solar activity is expected to be at
very low levels with a slight chance for C-class events for the next
three days (02-04 September).
IIA. Geophysical Activity Summary 31/2100Z to 01/2100Z:
The geomagnetic field has been at quiet levels for the past 24 hours.
The greater than 2 MeV electron flux at geosynchronous orbit was at
high levels throughout the period.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be at quiet levels for the next three days (02-04
September).
III. Event Probabilities 02 Sep-04 Sep
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF Green
IV. Penticton 10.7 cm Flux
Observed 01 Sep 076
Predicted 02 Sep-04 Sep 076/076/077
90 Day Mean 01 Sep 078
V. Geomagnetic A Indices
Observed Afr/Ap 31 Aug 002/002
Estimated Afr/Ap 01 Sep 002/005
Predicted Afr/Ap 02 Sep-04 Sep 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 02 Sep-04 Sep
A. Middle Latitudes
Active 05/05/05
Minor storm 01/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 05/05/05
Minor storm 01/01/01
Major-severe storm 01/01/01

SpaceRef staff editor.