pacifico oeste - 93W - 10kts-1010mb
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abpw10 pgtw 110600
msgid/genadmin/navmarfcstcen Pearl Harbor hi/jtwc//
subj/significant tropical weather advisory for the western and
/South Pacific oceans/110600z-120600zjul2010//
ref/a/msg/navmarfcstcen Pearl Harbor hi/110552zjul2010//
ampn/ref a is a tropical cyclone formation alert.//
Rmks/
1. Western North Pacific area (180 to Malay Peninsula): B. Tropical disturbance summary: (1) the area of convection previously located near 12.2n
135.6e is now located near 13.2n 133.6e, approximately 350 nm north
of Palau.
Recent animated multispectral satellite imagery and a
110156z trmm microwave image show improved consolidation and
multiple convective bands flowing into the low level circulation
center (LLCC).
The 110054z ascat pass also reveals 20-knot winds on
the eastern half of the forming LLCC.
Upper level analysis indicates
the system is in an area of low vertical wind shear and continues to
have strong poleward outflow into a westward-pushing tropical upper
tropospheric trough (tutt) cell.
Maximum sustained surface winds are
estimated at 17 to 22 knots. Minimum sea level pressure is estimated
to be near 1007 mb.
The potential for the development of a
significant tropical cyclone within the next 24 hours is upgraded to
good.
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