Status Report

NOAA SEC Report of Solar-Geophysical Activity 31 May 2001

By SpaceRef Editor
May 31, 2001
Filed under , ,
:Product: Report of Solar-Geophysical Activity
:Issued: 2001 May 31 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 151 Issued at 2200Z on 31 May 2001
IA.  Analysis of Solar Active Regions and Activity from  30/2100Z
to 31/2100Z:  Solar activity has been low.  An optically uncorrelated
long duration C1 event occurred at 31/1632 UTC.
IB.  Solar Activity Forecast:  Solar activity is expected to be low.
IIA.  Geophysical Activity Summary 30/2100Z to 31/2100Z:
The geomagnetic field was quiet to unsettled.
IIB.  Geophysical Activity Forecast:  The geomagnetic field is
expected to be quiet to unsettled.
III.  Event Probabilities 01 Jun-03 Jun
Class M    20/20/20
Class X    01/01/01
Proton     01/01/01
PCAF       green
IV.  Penticton 10.7 cm Flux
Observed           31 May 133
Predicted   01 Jun-03 Jun  130/130/125
90 Day Mean        31 May 169
V.  Geomagnetic A Indices
Observed Afr/Ap 30 May  002/005
Estimated Afr/Ap 31 May  005/008
Predicted Afr/Ap 01 Jun-03 Jun  008/010-008/010-008/010
VI.  Geomagnetic Activity Probabilities 01 Jun-03 Jun
A.  Middle Latitudes
Active                15/15/15
Minor storm           05/05/05
Major-severe storm    01/01/01
B.  High Latitudes
Active                20/20/20
Minor storm           05/05/05
Major-severe storm    01/01/01

SpaceRef staff editor.