:Product: 20000329RSGA.txt
:Issued: 2000 Mar 29 2200 UTC
# 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 089 ISSUED AT 2200Z ON 29 MAR 2000
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  28/2100Z
TO 29/2100Z:  SOLAR ACTIVITY WAS LOW.  SEVERAL C-CLASS EVENTS
OCCURRED DURING THE PERIOD.  REGION 8921 (S16W44) SHOWED SIGNIFICANT
DECAY.  NEW REGIONS 8935 (S07E35) AND 8936 (S16E72) WERE NUMBERED
TODAY.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE LOW
WITH THE CHANCE OF AN ISOLATED M-CLASS EVENT.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 28/2100Z TO 29/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED.  LASCO/SOHO SCIENTISTS TODAY
REPORTED A BACKSIDE FULL HALO CME THAT IS NOT EARTH DIRECTED AND IS
FIRST VISIBLE AT 29/1054Z OVER THE SOUTHEAST LIMB.  THIS EVENT MAY
BE RELATED TO OLD ACTIVE REGION 8906 (S16, L=121) WHICH IS DUE TO
RETURN ON 03 APRIL.
III.  EVENT PROBABILITIES 30 MAR-01 APR
CLASS M    30/40/50
CLASS X    05/05/10
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           29 MAR 209
PREDICTED   30 MAR-01 APR  195/190/185
90 DAY MEAN        29 MAR 179
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 28 MAR  003/005
ESTIMATED AFR/AP 29 MAR  005/005
PREDICTED AFR/AP 30 MAR-01 APR  005/005-005/005-005/005
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 30 MAR-01 APR
A.  MIDDLE LATITUDES
ACTIVE                20/20/20
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                25/25/25
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01