Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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525
ATPQ40 PGUM 191443
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
1243 AM CHST FRI OCT 20 2017

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

TYPHOON LAN (25W) IS CENTERED 760 MILES NORTHWEST OF YAP AT 17N130E
MOVING NORTH AT 7 MPH WITH MAXIMUM SUSTAINED WINDS OF 85 MPH. HEAVY
SHOWERS AND ISOLATED THUNDERSTORMS ARE FOUND NEAR THE CENTER WEST
OF A LINE FROM 19N132E TO 14N132E TO 11N130E. NUMEROUS SHOWERS AND
SCATTERED THUNDERSTORMS ARE PRESENT FARTHER EAST OF THE CENTER
WITHIN 160 MILES OF A LINE FROM 10N131E TO 16N136E TO 21N134E. FOR
MORE INFORMATION ON TYPHOON 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 CENTERED EAST OF THE MARIANAS NEAR 13N151E
REMAINS THE SUBJECT OF A TROPICAL CYCLONE FORMATION ALERT BY THE
JOINT TYPHOON WARNING CENTER. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS ARE FOUND NORTH OF CHUUK BETWEEN 9N AND 16N FROM
149E TO 153E.

WEAK CIRCULATIONS CENTERED NEAR ENEWETAK ATOLL AT 11N162E AND EAST
OF MAJURO NEAR 8N173E ARE PRODUCING SCATTERED SHOWERS AND A FEW
THUNDERSTORMS ACROSS EASTERN MICRONESIA FROM NEAR POHNPEI TO THE
DATE LINE BETWEEN 4N AND 14N FROM 158E TO 180.

CONVERGING SOUTHEAST WINDS NEAR AND EAST OF WAKE ISLAND ARE
GENERATING SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS BETWEEN
17N AND 25N FROM 161E TO 170E...AND BETWEEN 20N AND 25N FROM 174E
TO 180.

AN UPPER-LEVEL LOW CENTERED NEAR MINAMI TORI SHIMA ISLAND AT
23N156E IS TRIGGERING ISOLATED THUNDERSTORMS NORTH OF A LINE FROM
22N150E TO 23N159E.

$$

AYDLETT



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