:Product: 19991214RSGA.txt
:Issued: 1999 Dec 14 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 348 ISSUED AT 2200Z ON 14 DEC 1999
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  13/2100Z
TO 14/2100Z:  SOLAR ACTIVITY REMAINED AT A LOW LEVEL.  ONLY SMALL
C-CLASS EVENTS OCCURRED.  REGION 8797 (S34W01) EXHIBITED SLIGHT
GROWTH BUT MOST REGIONS WERE PREDOMINANTLY STABLE ON IN A STATE OF
DECLINE.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY SHOULD REMAIN AT A LOW
LEVEL FOR THE NEXT THREE DAYS.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 13/2100Z TO 14/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET. THE DISTURBANCE OBSERVED ON 13 DEC
ENDED QUICKLY AFTER 13/1800Z.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD SHOULD BE
QUIET TO SLIGHTLY UNSETTLED FOR THE NEXT THREE DAYS.
III.  EVENT PROBABILITIES 15 DEC-17 DEC
CLASS M    10/10/05
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           14 DEC 168
PREDICTED   15 DEC-17 DEC  165/160/155
90 DAY MEAN        14 DEC 168
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 13 DEC  026/026
ESTIMATED AFR/AP 14 DEC  004/008
PREDICTED AFR/AP 15 DEC-17 DEC  010/010-010/010-008/008
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 15 DEC-17 DEC
A.  MIDDLE LATITUDES
ACTIVE                15/15/15
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                15/15/15
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01