Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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000
ATPQ40 PGUM 231514
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
114 AM CHST WED JUL 24 2019

WESTERN NORTH PACIFIC BETWEEN THE EQUATOR AND 25N FROM 130E TO 180.

A TROPICAL DISTURBANCE CENTERED WEST OF IWO TO ISLAND NEAR 24N135E IS
PRODUCING SCATTERED SHOWERS AND THUNDERSTORMS WITHIN 180 MILES OF A
LINE FROM 18N131E TO 23N142E.

A SURFACE TROUGH RUNS SOUTHEASTWARD FROM NEAR LUZON ACROSS 15N130E TO
A WEAK CIRCULATION CENTERED SOUTHEAST OF YAP AT 6N142E...THEN TURNS
NORTHEASTWARD TO END NORTHEAST OF CHUUK AT 15N155E. AN UPPER-LEVEL
TROUGH EXTENDS NORTHEASTWARD FROM SOUTHWEST OF KOROR AT EQ130E
PASSING NEAR GUAM AT 12N146E TO A LOW CENTERED SOUTH OF MINAMI TORI
SHIMA AT 21N156E...THEN CONTINUES EASTWARD THROUGH ANOTHER LOW
CENTERED NORTHEAST OF WAKE ISLAND AT 22N173E TO BEYOND 180 AT 24N.
INTERACTION BETWEEN THESE FEATURES IS TRIGGERING PATCHY SHOWERS AND
ISOLATED THUNDERSTORMS SOUTH OF KOROR BUT NEAR YAP AND GUAM WITHIN
200 MILES OF A LINE FROM EQ131E TO 13N146E TO 13N156E. NUMEROUS
SHOWERS AND OCCASIONAL THUNDERSTORMS ARE SEEN NEAR THE FIRST UPPER
LOW WITHIN 130 MILES OF A LINE FROM 23N154E TO 25N161E. SCATTERED
SHOWERS AND THUNDERSTORMS ARE PRESENT NEAR AND SOUTHEAST OF THE
SECOND UPPER LOW WITHIN 200 MILES OF A LINE FROM 25N173E TO 10N180.

A SERIES OF TRADE-WIND DISTURBANCES ARE CAUSING PATCHY SHOWERS AND A
FEW THUNDERSTORMS ACROSS KOSRAE AND THE MARSHALL ISLANDS WITHIN 190
MILES OF A LINE FROM 2N156E TO 7N172E TO 18N158E.

$$

CHAN


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