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Sender: WX-TROPL Tropical Storm and Hurricane WX products <[email-masked]>
From:	SIU Weather Processor <[email-masked]>
Subject:      Pacific-NW: Subj/significant Tropical Weather Advisory For The
To:	Multiple recipients of list WX-TROPL <[email-masked]>
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683
ABPW10 PGTW 260600
MSGID/GENADMIN/NAVPACMETOCCEN WEST GU//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE
WESTERN PACIFIC OCEAN/260600Z/270600Z OCT 97//
REF/A/RMG/NAVPACMETOCCEN WEST GU/260151ZOCT97//
REF/B/RMG/NAVPACMETOCCEN WEST GU/260453ZOCT97//
NARR/REF A, TROPICAL CYCLONE FORMATION ALERT (WTPS21 PGTW
260200), REF B, TROPICAL CYCLONE FORMATION ALERT (WTPN21
PGTW 260500)//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY: NONE
B. TROPICAL DISTURBANCE SUMMARY:
(1) THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR
8N8 172E0 IS NOW LOCATED NEAR 7N7 169E6. ANIMATED VISIBLE
SATELLITE IMAGERY SHOWED THE CONVECTION IS BECOMING MORE
CENTRALLY LOCATED AND WATER VAPOR DERIVED UPPER-LEVEL
WINDS NOW SHOW WEAK ANTICYCLONIC ROTATION. SYNOPTIC DATA
FROM KWAJALEIN (WMO 91366) AND MAJURO (91376) SHOW A LOW-
LEVEL CIRCULATION WITH ASSOCIATED PRESSURE FALLS. MAXIMUM
SUSTAINED WINDS ARE ESTIMATED AT 15 TO 25 KNOTS. MINIMUM
SEA LEVEL PRESSURE IS ESTIMATED TO BE 1004 MB. SEE REF B
(TROPICAL CYCLONE FORMATION ALERT (WTPN21 PGTW 260500))
FOR FURTHER DETAILS. THE POTENTIAL FOR SIGNIFICANT
TROPICAL CYCLONE DEVELOPMENT WITHIN THE NEXT 24 HOURS IS
GOOD.
(2) NO OTHER SUSPECT AREAS.
2. WESTERN SOUTH PACIFIC AREA (180 WEST TO 135E):
A. TROPICAL CYCLONE SUMMARY: NONE.
B. TROPICAL DISTURBANCE SUMMARY:
(1) THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR
12S3 177E5 IS NOW LOCATED NEAR 13S4 177E5. THE LOW-LEVEL
CIRCULATION AND ASSOCIATED CONVECTION HAVE BECOME MUCH
BETTER ORGANIZED IN THE PAST 6 HOURS. AN AREA OF DEEP
CONVECTION HAS DEVELOPED APPROXIMATELY 25 NM FROM THE
SURFACE CIRCULATION. MAXIMUM SUSTAINED WINDS ARE
ESTIMATED AT 20 TO 30 KNOTS. MINIMUM SEA LEVEL PRESSURE
IS ESTIMATED TO BE 1004 MB. SEE REF A (TROPICAL
CYCLONE FORMATION ALERT (WTPS21 PGTW 260200)) FOR
FURTHER DETAILS. THE POTENTIAL FOR SIGNIFICANT TROPICAL
CYCLONE DEVELOPMENT WITHIN THE NEXT 24 HOURS IS GOOD.
(2) NO OTHER SUSPECT AREAS.
FORECAST TEAM: EDSON/HILDEBRAND/SANCHEZ/HALL//

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