AXPZ20 KNHC 271518
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1605 UTC Tue Jun 27 2017
Tropical Weather Discussion for the eastern Pacific Ocean from
the Equator to 32N, east of 140W. The following information is
based on satellite imagery, weather observations, radar, and
Based on 1200 UTC surface analysis and satellite imagery through
Hurricane Dora centered near 19.3N 110.2W at 1500 UTC, moving
west-northwest or 300 degrees at 10 kt. Estimated minimum
central pressure is 990 mb. Maximum sustained winds are 65 kt
with gusts to 80 kt. Scattered to numerous moderate convection
is within 60 nm of the eastern semicircle, with scattered
moderate convection noted within 30 nm of the west semicircle.
Satellite imagery shows Dora is starting to weaken as it moves
into a hostile environment of cooler ocean temperatures. It is
expected to rapidly weaken as it tracks west-northwest through
Wednesday, becoming a remnant low by Wednesday night. Large
swell generated by Dora is expected to reach the southern coast
of Baja California by tonight. See latest NHC Forecast/Advisory
under AWIPS/WMO headers MIATCMEP4/WTPZ24 KNHC for more details.
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
The monsoon trough extends from 07N78W to 09N86W to 07N95W to
11N105W to 09N115W to 10N127W. The ITCZ continues from 10N127W
to beyond 06N140W. Scattered moderate isolated strong convection
is located from 05N to 11N between 80W and 111W.
OFFSHORE WATERS WITHIN 250 NM OF MEXICO...
Except within 150 nm of Dora...gentle to moderate winds prevail
in the waters west of Baja California. Light to gentle winds are
off the coast of SW Mexico and across the Gulf of California.
Seas are 1-3 ft in the Gulf of California and 4-6 ft elsewhere.
Little change is expected during the next several days.
OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND
WITHIN 750 NM OF ECUADOR...
Gentle to moderate SW to W winds are expected to continue across
most of the region, except for southerly winds between Ecuador
and the Galapagos Islands. Long period SW swell is propagating
across the equator, and will build seas up to 10 ft late today.
REMAINDER OF THE AREA...
Light to gentle winds prevail from 10N to 20N between 120W and
130W, with gentle to moderate winds prevailing elsewhere. Seas
are generally 4-7 ft. Winds and seas are expected to remain
below advisory criteria through the remainder of the week.