NOAA SEC Report of Solar-Geophysical Activity 31 May 2001
: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