Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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000
ATPQ40 PGUM 171517
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
117 AM CHST WED OCT 18 2017

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

TROPICAL STORM LAN (25W) IS CENTERED 265 MILES NORTH-NORTHWEST OF
KOROR AT 11N132E MOVING NORTHEAST AT 3 MPH WITH MAXIMUM SUSTAINED
WINDS OF 65 MPH. HEAVY SHOWERS AND ISOLATED THUNDERSTORMS ARE
FOUND NEAR THE CENTER...ACROSS WESTERN YAP STATE AND THE REPUBLIC
OF PALAU BETWEEN 4N AND 14N WEST OF 139E. FOR MORE INFORMATION ON
TROPICAL STORM LAN...SEE BULLETINS ISSUED BY THE JOINT TYPHOON
WARNING CENTER UNDER WMO HEADER WTPN32 PGTW AND BY THE NATIONAL
WEATHER SERVICE UNDER WMO HEADER WTPQ32 PGUM.

A WEAK DISTURBANCE NEAR GUAM IS GENERATING PATCHY RAIN...SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS ACROSS THE MARIANAS BETWEEN 11N
AND 15N FROM 142E TO 149E.

LOW-LEVEL CONVERGENCE IS PRODUCING SCATTERED SHOWERS AND A FEW
THUNDERSTORMS ACROSS EASTERN MICRONESIA BETWEEN 6N AND 13N FROM
158E TO 180.

A SURFACE TROUGH EXTENDS EAST-NORTHEASTWARD FROM TROPICAL STORM
LAN...THROUGH THE DISTURBANCE NEAR GUAM TO NEAR WAKE ISLAND AT
21N165E. SCATTERED SHOWERS AND A FEW THUNDERSTORMS ARE FOUND NEAR
AND SOUTH OF WAKE ISLAND BETWEEN 14N AND 22N FROM 163E TO 169E.

AN UPPER-LEVEL LOW CENTERED NORTHWEST OF WAKE ISLAND NEAR 24N157E
IS TRIGGERING ISOLATED THUNDERSTORMS BETWEEN 20N AND 25N FROM 154E
TO 162E.

$$

AYDLETT


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