Status Report

NOAA SEC Report of Solar-Geophysical Activity 30 May 2001

By SpaceRef Editor
May 30, 2001
Filed under , ,
:Product: Report of Solar-Geophysical Activity
:Issued: 2001 May 30 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 150 Issued at 2200Z on 30 May 2001
IA.  Analysis of Solar Active Regions and Activity from  29/2100Z
to 30/2100Z:  Solar activity was very low.  Region 9475 (N19E19) grew
in area and spot count, but lost the weak delta configuration which
was visible yesterday.  A new region was numbered today as Region
9482 (S16E48).
IB.  Solar Activity Forecast:  Solar activity is expected to be low. 
Occasional C-class flares are possible.
IIA.  Geophysical Activity Summary 29/2100Z to 30/2100Z:
The geomagnetic field was quiet to unsettled.
IIB.  Geophysical Activity Forecast:  The geomagnetic field is
expected to be quiet to unsettled.
III.  Event Probabilities 31 May-02 Jun
Class M    20/20/20
Class X    01/01/01
Proton     01/01/01
PCAF       green
IV.  Penticton 10.7 cm Flux
Observed           30 May 132
Predicted   31 May-02 Jun  130/130/130
90 Day Mean        30 May 151
V.  Geomagnetic A Indices
Observed Afr/Ap 29 May  009/010
Estimated Afr/Ap 30 May  005/005
Predicted Afr/Ap 31 May-02 Jun  008/008-008/010-008/012
VI.  Geomagnetic Activity Probabilities 31 May-02 Jun
A.  Middle Latitudes
Active                15/15/15
Minor storm           05/05/05
Major-severe storm    01/01/01
B.  High Latitudes
Active                20/20/25
Minor storm           05/05/05
Major-severe storm    01/01/01

SpaceRef staff editor.