:Product: 19990327RSGA.txt
:Issued: 1999 Mar 27 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 086 ISSUED AT 2200Z ON 27 MAR 1999
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  26/2100Z
TO 27/2100Z:  SOLAR ACTIVITY CONTINUED VERY LOW. TWO NEW REGIONS WERE
ASSIGNED. THEY ARE 8500 (N15E03) AND 8501 (N27E67).
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO REMAIN
VERY LOW.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 26/2100Z TO 27/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED. A HIGH SPEED SOLAR WIND STREAM
MAY IMPACT THE MAGNETOSPHERE ON DAY 3 OF THE INTERVAL.
III.  EVENT PROBABILITIES 28 MAR-30 MAR
CLASS M    01/01/01
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           27 MAR 105
PREDICTED   28 MAR-30 MAR  105/110/110
90 DAY MEAN        27 MAR 140
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 26 MAR  007/006
ESTIMATED AFR/AP 27 MAR  004/005
PREDICTED AFR/AP 28 MAR-30 MAR  005/008-010/008-015/015
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 28 MAR-30 MAR
A.  MIDDLE LATITUDES
ACTIVE                10/20/25
MINOR STORM           05/10/15
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                10/20/25
MINOR STORM           05/10/15
MAJOR-SEVERE STORM    01/01/01