:Product: 19970425RSGA.txt
:Issued: 1997 Apr 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 115 ISSUED AT 2200Z ON 25 APR 1997
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  24/2100Z
TO 25/2100Z:  SOLAR ACTIVITY CONTINUES VERY LOW. REGION 8035 (N18E23)
LOST ITS SPOTS DURING THE DAY, LEAVING THE DISK SPOTLESS.
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 QUIET TO UNSETTLED.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO PERSIST AT QUIET TO UNSETTLED LEVELS THROUGHOUT THE
PERIOD.
III.  EVENT PROBABILITIES 26 APR-28 APR
CLASS M    01/01/01
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           25 APR 069
PREDICTED   26 APR-28 APR  069/070/070
90 DAY MEAN        25 APR 074
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 24 APR  016/015
ESTIMATED AFR/AP 25 APR  007/008
PREDICTED AFR/AP 26 APR-28 APR  012/008-010/005-010/008
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 26 APR-28 APR
A.  MIDDLE LATITUDES
ACTIVE                10/10/20
MINOR STORM           01/01/05
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                20/20/25
MINOR STORM           05/05/10
MAJOR-SEVERE STORM    01/01/01