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19880611RSGA.txt
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FROM SPACE ENVIRONMENT SERVICES CENTER, BOULDER, COLORADO
SDF NUMBER 163
JOINT USAF/NOAA REPORT OF SOLAR AND GEOPHYSICAL ACTIVITY.
ISSUED 2200Z 11 JUN 1988
IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 10/2100Z
TO 11/2100Z: SOLAR ACTIVITY WAS LOW. REGION 5040 (N29W68)
PRODUCED A C2/0F FLARE AT 11/0656Z WITH AN ACCOMPANYING SMALL
DISAPPEARING FILAMENT. A TYPE II RADIO SWEEP AND A CORONAL MASS
EJECTION SIGHTING OCCURRED AT COINCIDENT TIMES. MOST ASPECTS
CONTINUED TO SLOWLY DECREASE IN INTENSITIES AND NUMBERS. NO NEW
REGION WAS ASSIGNED.
IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY IS EXPECTED TO BE
LOW TO VERY LOW.
IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 10/2100Z TO 11/2100Z:
THE GEOMAGNETIC FIELD WAS UNSETTLED TO QUIET.
IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS
EXPECTED TO BE UNSETTLED TO ACTIVE. THE START OF A DISTURBANCE
ON THE LAST DAY IS EXPECTED IN RESPONSE TO THE C2/0F EVENT OF
11/0656Z.
III. EVENT PROBABILITIES 12 JUN-14 JUN
CLASS M 12/10/08
CLASS X 01/01/01
PROTON 01/01/01
PCAF GREEN
IV. OTTAWA 10.7 CM FLUX
OBSERVED 11 JUN 134
PREDICTED 12 JUN-14 JUN 130/126/123
90 DAY MEAN 11 JUN 124
V. GEOMAGNETIC A INDICES
OBSERVED AFR/AP 10 JUN 009/016
ESTIMATED AFR/AP 11 JUN 007/015
PREDICTED AFR/AP 12 JUN-14 JUN 008/018-008/018-012/025