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19880604RSGA.txt
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FROM SPACE ENVIRONMENT SERVICES CENTER, BOULDER, COLORADO
SDF NUMBER 156
JOINT USAF/NOAA REPORT OF SOLAR AND GEOPHYSICAL ACTIVITY.
ISSUED 2200Z 04 JUN 1988
IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 03/2100Z
TO 04/2100Z: SOLAR ACTIVITY WAS MODERATE. REGION 5027 (S24W96)
PRODUCED A LONG LIVED M3 AT 04/0745Z. A LOOP PROMINENCE SYSTEM
WAS OBSERVED AT S25W90 WITH THIS EVENT. WEAK TYPE II EMISSION
WAS OBSERVED 04/0435-0441Z ALONG WITH A C5 X-RAY BURST FROM AN
UNKNOWN REGION. REGION 5035 (N14W39) CONTINUED TO EMERGE AND IS
NOW A CLASS C GROUP. A CLASS H SPOT APPEARED AT S17E80 AND WAS
NUMBERED AS REGION 5036.
IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY SHOULD BE LOW
FOR THE NEXT THREE DAYS. AN ISOLATED CLASS M FLARE IS REMOTELY
POSSIBLE FROM SEVERAL DISK REGIONS. REGION 5035 COULD BECOME
AN M FLARE PRODUCER SHOULD GROWTH CONTINUE FOR AT LEAST TWO
DAYS.
IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 03/2100Z TO 04/2100Z:
THE MID LATITUDE GEOMAGNETIC FIELD WAS QUIET. HIGH LATITUDES
WERE UNSETTLED TO SLIGHTLY ACTIVE.
IIB. GEOPHYSICAL ACTIVITY FORECAST: THE MID LATITUDE FIELD
SHOULD BE UNSETTLED TO SLIGHTLY ACTIVE FOR THE NEXT THREE
DAYS. THE HIGH LATITUDE FIELD SHOULD BE MORE DISTURBED WITH
ACTIVE TO LOW MINOR STORM LEVELS EXPECTED FOR THE PERIOD.
DISAPPEARING FILAMENTS AND THE M3 FLARE ARE THE PRIMARY
REASONS FOR THIS FORECAST.
III. EVENT PROBABILITIES 05 JUN-07 JUN
CLASS M 10/10/10
CLASS X 01/01/01
PROTON 01/01/01
PCAF GREEN
IV. OTTAWA 10.7 CM FLUX
OBSERVED 04 JUN 147
PREDICTED 05 JUN-07 JUN 144/140/137
90 DAY MEAN 04 JUN 120
V. GEOMAGNETIC A INDICES
OBSERVED AFR/AP 03 JUN 002/011
ESTIMATED AFR/AP 04 JUN 003/015
PREDICTED AFR/AP 05 JUN-07 JUN 018/028-010/028-014/035