:Product: 19990610RSGA.txt
:Issued: 1999 Jun 10 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 161 ISSUED AT 2200Z ON 10 JUN 1999
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  09/2100Z
TO 10/2100Z:  SOLAR ACTIVITY WAS LOW. THE TWO MOST ACTIVE REGIONS
WERE 8569 (N19W07) AND 8578 (N19W23). BOTH REGIONS SHOWED GROWTH IN
AREA AND SPOT COUNT. BOTH REGIONS ALSO PRODUCED SEVERAL OPTICAL
SUBFLARES.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO REMAIN
LOW.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 09/2100Z TO 10/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED.
III.  EVENT PROBABILITIES 11 JUN-13 JUN
CLASS M    30/30/30
CLASS X    05/05/05
PROTON     05/05/05
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           10 JUN 161
PREDICTED   11 JUN-13 JUN  165/160/160
90 DAY MEAN        10 JUN 135
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 09 JUN  011/013
ESTIMATED AFR/AP 10 JUN  010/010
PREDICTED AFR/AP 11 JUN-13 JUN  010/010-010/012-005/008
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 11 JUN-13 JUN
A.  MIDDLE LATITUDES
ACTIVE                20/20/10
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                25/25/15
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01