:Product: 19991201RSGA.txt
:Issued: 1999 Dec 01 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 335 ISSUED AT 2200Z ON 01 DEC 1999
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  30/2100Z
TO 01/2100Z:  SOLAR ACTIVITY WAS LOW. ONLY A FEW SMALL FLARES
OCCURRED SINCE YESTERDAY, ALL OF WHICH WERE IN REGION 8782 (N09W53).
THIS REGION CONTINUES TO GROW BUT IS NOT YET DEVELOPING SIGNIFICANT
MAGNETIC COMPLEXITY. NEW REGION 8785 (N14E71) ROTATED INTO VIEW.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE LOW.
SMALL FLARES ARE EXPECTED TO CONTINUE IN REGION 8782.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 30/2100Z TO 01/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET AT THE BEGINNING OF THE 3-DAY FORECAST PERIOD.
ACTIVITY MAY INCREASE BY THE THIRD DAY DUE TO A RETURNING CORONAL
HOLE.
III.  EVENT PROBABILITIES 02 DEC-04 DEC
CLASS M    20/20/20
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           01 DEC 165
PREDICTED   02 DEC-04 DEC  160/165/170
90 DAY MEAN        01 DEC 164
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 30 NOV  008/008
ESTIMATED AFR/AP 01 DEC  004/005
PREDICTED AFR/AP 02 DEC-04 DEC  005/005-005/005-010/020
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 02 DEC-04 DEC
A.  MIDDLE LATITUDES
ACTIVE                05/05/05
MINOR STORM           01/01/01
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                10/10/10
MINOR STORM           01/01/01
MAJOR-SEVERE STORM    01/01/01