Status Report

NOAA/USAF Report of Solar-Geophysical Activity 24 October 2000

By SpaceRef Editor
October 24, 2000
Filed under
:Product: Report of Solar-Geophysical Activity
:Issued: 2000 Oct 24 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 298 Issued at 2200Z on 24 Oct 2000
IA.  Analysis of Solar Active Regions and Activity from  23/2100Z
to 24/2100Z:  Solar activity was low. Only a few small C-class flares
occurred. The most interesting event was a long-duration C2 which
peaked at 24/0932 UTC. Optical observations suggest that the source
of this event was beyond the southeast limb.
IB.  Solar Activity Forecast:  Solar activity is expected to be low.
IIA.  Geophysical Activity Summary 23/2100Z to 24/2100Z:
The geomagnetic field was quiet to active. The coronal hole
disturbance of the past day appears to be coming to an end.
IIB.  Geophysical Activity Forecast:  The geomagnetic field is
expected to be quiet to unsettled.
III.  Event Probabilities 25 Oct-27 Oct
Class M    10/10/10
Class X    01/01/01
Proton     01/01/01
PCAF       green
IV.  Penticton 10.7 cm Flux
Observed           24 Oct 159
Predicted   25 Oct-27 Oct  160/160/165
90 Day Mean        24 Oct 169
V.  Geomagnetic A Indices
Observed Afr/Ap 23 Oct  013/015
Estimated Afr/Ap 24 Oct  010/012
Predicted Afr/Ap 25 Oct-27 Oct  005/010-005/010-010/010
VI.  Geomagnetic Activity Probabilities 25 Oct-27 Oct
A.  Middle Latitudes
Active                10/10/10
Minor storm           01/01/01
Major-severe storm    01/01/01
B.  High Latitudes
Active                20/10/10
Minor storm           01/01/01
Major-severe storm    01/01/01

SpaceRef staff editor.