NOAA SEC Report of Solar-Geophysical Activity 9 Jan 2001
:Product: Report of Solar-Geophysical Activity
:Issued: 2001 Jan 09 2200 UT
# Prepared jointly by the U.S. Dept. of Commerce, NOAA,
#Space Environment Center and the U.S. Air Force.
#
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 009 Issued at 2200Z on 09 Jan 2001
IA. Analysis of Solar Active Regions and Activity from 08/2100Z
to 09/2100Z: Solar activity was moderate due to a single M1/1N event
that occurred at 09/0650 UTC, from Region 9306 (N11E43). Other than
the M-class event noted, only occasional C-class events occurred
during the period. One new region was numbered, 9307 (S13W59).
IB. Solar Activity Forecast: Solar activity is expected to persist
at the low level.
IIA. Geophysical Activity Summary 08/2100Z to 09/2100Z:
The geomagnetic field was quiet to unsettled.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be quiet throughout the interval.
III. Event Probabilities 10 Jan-12 Jan
Class M 20/20/20
Class X 05/05/05
Proton 05/05/05
PCAF green
IV. Penticton 10.7 cm Flux
Observed 09 Jan 166
Predicted 10 Jan-12 Jan 175/180/185
90 Day Mean 09 Jan 174
V. Geomagnetic A Indices
Observed Afr/Ap 08 Jan 008/010
Estimated Afr/Ap 09 Jan 005/007
Predicted Afr/Ap 10 Jan-12 Jan 005/005-005/005-005/007
VI. Geomagnetic Activity Probabilities 10 Jan-12 Jan
A. Middle Latitudes
Active 20/20/20
Minor storm 10/10/10
Major-severe storm 01/01/01
B. High Latitudes
Active 20/20/20
Minor storm 10/10/10
Major-severe storm 05/05/05