Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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000
ATPQ40 PGUM 170715 AAA
SIMGUM

SATELLITE INTERPRETATION MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE TIYAN GU
515 PM CHST TUE OCT 17 2017

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

CORRECTED TYPO ON STORM MOTION

TROPICAL STORM LAN (25W) IS CENTERED 320 NORTHWEST OF KOROR AT
11N132E MOVING WEST-NORTHWEST AT 9 MPH WITH MAXIMUM SUSTAINED WINDS
OF 60 MPH. HEAVY SHOWERS AND ISOLATED THUNDERSTORMS ARE NEAR AND EAST
OF THE CENTER...AND OVER WESTERN YAP STATE AND PALAU BETWEEN 2N AND
15N WEST OF 142E. 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 CIRCULATION IS CENTERED NEAR GUAM AT 14N144E WITH A DEVELOPING
MONSOON TROUGH EXTENDING EAST-NORTHEAST TOWARD 16N155E. SCATTERED TO
NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS ARE FOUND OVER PORTIONS
OF THE MARIANAS AND NORTH OF CHUUK BETWEEN 9N AND 15N FROM 142E TO
155E. EAST OF THE CIRCULATION AND JUST EAST OF THE MARIANAS BETWEEN
11N AND 16N FROM 146E TO 151E. FRESH TO STRONG TRADES NORTH OF THE
TROUGH ARE PRODUCING SCATTERED SHOWERS BETWEEN 15N AND 20N FROM 140E
TO 156E.

AN UPPER-LEVEL LOW IS CENTERED NORTHWEST OF WAKE ISLAND NEAR 22N159E
AND A SURFACE TROUGH EXTENDS NORTHEASTWARD FROM 15N159E TO 21N165E.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE FOUND AROUND WAKE
ISLAND BETWEEN 13N AND 25N FROM 156E TO 173E.

A SURFACE TROUGH IS GENERATING SCATTERED SHOWERS NEAR KOSRAE BETWEEN
3N AND 9N FROM 160E TO 164E.

TRADE-WIND CONVERGENCE AND A SURFACE TROUGH ARE CAUSING SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS NEAR AND NORTH OF MAJURO BETWEEN
4N AND 17N EAST OF 168E.

$$

AYDLETT



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