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Date:	Fri, 25 Jul 1997 01:27:19 -0500
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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
[250600]
To:	Multiple recipients of list WX-TROPL <[email-masked]>
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664
ABPW10 PGTW 250600
MSGID/GENADMIN/NAVPACMETOCCEN WEST GU//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE
WESTERN PACIFIC OCEAN/250600Z/260600Z JUL 97//
REF/A/RMG/NAVPACMETOCCEN WEST GU 250151ZJUL97//
REF/B/RMG/NAVPACMETOCCEN WEST GU 241955ZJUL97//
REF/C/RMG/NAVPACMETOCCEN WEST GU 241021ZJUL97//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY:
(1) AT 250000Z6 TYPHOON ROSIE (10W) WAS LOCATED AT
26.8N6 133.9E6, MOVING NORTH-NORTHEASTWARD AT 12 KNOTS.
MAXIMUM SUSTAINED WINDS WERE ESTIMATED AT 90 KNOTS WITH
GUSTS TO 110 KNOTS. SEE REF A (TYPHOON ROSIE (10W)
WARNING NR 26 (WTPN31 PGTW 250300)) AND SIX-HOURLY
UPDATES FOR FURTHER DETAILS.
(2) AT 242100Z9 TROPICAL DEPRESSION 11W WAS LOCATED
AT 31.9N3 151.0E7, MOVING 300 DEGREES AT 4 KNOTS.
MAXIMUM SUSTAINED WINDS WERE ESTIMATED AT 30 KNOTS WITH
GUSTS TO 40 KNOTS.  SEE REF B (TROPICAL DEPRESSION 11W
WARNING NR 2 (WTPN32 PGTW 242100)) AND TWELVE-HOURLY
UPDATES FOR FURTHER DETAILS.
(3) NO OTHER TROPICAL CYCLONES.
B. TROPICAL DISTURBANCE SUMMARY:
(1) THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR
7.0N7 147.4E6 IS NOW LOCATED NEAR 11.0N2 143E8 AND
REMAINS THE SUBJECT OF A TROPICAL CYCLONE FORMATION
ALERT.  DEVELOPMENT IS BEING INHIBITED BY STRONG VERTICAL
WIND SHEAR FROM THE EAST-NORTHEAST. MAXIMUM SUSTAINED
WINDS WERE ESTIMATED AT 15 TO 20 KNOTS. MINIMUM SEA-LEVEL
PRESSURE IS ESTIMATED TO BE 1005 MB. THE POTENTIAL FOR
SIGNIFICANT TROPICAL CYCLONE DEVELOPMENT WITHIN THE NEXT
24 HOURS IS GOOD. SEE REF C (TROPICAL CYCLONE FORMATION
ALERT WTPN21 PGTW 241030)) FOR FURTHER DETAILS.
(2) AN AREA OF SPORADIC CONVECTION EXISTS NEAR
5.0N5 166.0E3. SYNOPTIC DATA AND VISIBLE SATELLITE
IMAGERY INDICATES THE PRESENCE OF A LOW LEVEL CIRCULATION
CENTER.  CONVECTION REMAINS DISORGANIZED.  WATER VAPOR
DERIVED UPPER LEVEL WINDS SHOW THAT DEVELOPMENT MAY BE
ENHANCED BY DIVERGENCE ALOFT.  MAXIMUM SUSTAINED WINDS
WERE ESTIMATED AT 10 TO 15 KNOTS.  MINIMUM SEA-LEVEL
PRESSURE IS ESTIMATED TO BE 1006 MB.  THE POTENTIAL FOR
SIGNIFICANT TROPICAL CYCLONE DEVELOPMENT WITHIN THE NEXT
24 HOURS IS POOR.
(3) NO OTHER SUSPECT AREAS.
2. WESTERN SOUTH PACIFIC AREA (180 WEST TO 135E):
A. TROPICAL CYCLONE SUMMARY: NONE.
B. TROPICAL DISTURBANCE SUMMARY: NONE.
FORECAST TEAM: MALMQUIST/HAM/UROGI//

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