:Product: 19990323RSGA.txt
:Issued: 1999 Mar 23 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 082 ISSUED AT 2200Z ON 23 MAR 1999
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  22/2100Z
TO 23/2100Z:  SOLAR ACTIVITY WAS VERY LOW. ONLY A COUPLE OF LOW-LEVEL
B-CLASS X-RAY FLARES OCCURRED. NO OPTICAL FLARE REPORTS WERE
RECEIVED. ALL DISK REGIONS ARE SMALL AND SIMPLE. NEW REGION 8498
(N18E67) ROTATED AROUND THE EAST LIMB AS A SINGLE H-TYPE SUNSPOT.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW TO LOW.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 22/2100Z TO 23/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED. ACTIVITY LEVELS MAY INCREASE DUE
TO A DSF AND ASSOCIATED CME THAT OCCURRED ON 21 MARCH.
III.  EVENT PROBABILITIES 24 MAR-26 MAR
CLASS M    01/01/01
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           23 MAR 113
PREDICTED   24 MAR-26 MAR  110/110/115
90 DAY MEAN        23 MAR 141
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 22 MAR  003/003
ESTIMATED AFR/AP 23 MAR  005/005
PREDICTED AFR/AP 24 MAR-26 MAR  015/010-015/010-010/010
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 24 MAR-26 MAR
A.  MIDDLE LATITUDES
ACTIVE                25/25/15
MINOR STORM           15/15/10
MAJOR-SEVERE STORM    05/05/05
B.  HIGH LATITUDES
ACTIVE                25/25/15
MINOR STORM           15/15/10
MAJOR-SEVERE STORM    10/10/05