:Product: 19970525RSGA.txt
:Issued: 1997 May 25 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 145 ISSUED AT 2200Z ON 25 MAY 1997
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  24/2100Z
TO 25/2100Z:  SOLAR ACTIVITY WAS VERY LOW. ONLY A COUPLE B-LEVEL
X-RAY FLARES WERE OBSERVED. OF THE FOUR SPOTTED REGIONS ON THE DISK
REGION 8046 (S27E41) SHOWED THE MOST ACTIVITY. THE OTHER THREE
REGIONS WERE VERY QUIET AND STABLE.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 24/2100Z TO 25/2100Z:
THE GEOMAGNETIC FIELD WAS PREDOMINANTLY QUIET FOR THE PAST 24 HOURS.
A BRIEF INTERVAL OF SLIGHT ENHANCED ACTIVITY OCCURRED FROM
0300-0600: MID-LATITUDES WERE UNSETTLED AND HIGH LATITUDES WERE
UNSETTLED TO ACTIVE.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED FOR THE NEXT THREE DAYS.
III.  EVENT PROBABILITIES 26 MAY-28 MAY
CLASS M    01/01/01
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           25 MAY 078
PREDICTED   26 MAY-28 MAY  076/074/072
90 DAY MEAN        25 MAY 074
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 24 MAY  009/006
ESTIMATED AFR/AP 25 MAY  005/008
PREDICTED AFR/AP 26 MAY-28 MAY  005/010-010/010-010/010
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 26 MAY-28 MAY
A.  MIDDLE LATITUDES
ACTIVE                05/10/15
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                10/15/15
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01