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000
AXPZ20 KNHC 281553 AAA
TWDEP

Tropical Weather Discussion...Updated
NWS National Hurricane Center Miami FL
1605 UTC Wed Jun 28 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 meteorological analysis.

Based on 1200 UTC surface analysis and satellite imagery through 1500 UTC.


...TROPICAL WAVES...

A tropical wave along 95W north of 05N is moving west at 10 to 15 kt, with minimal convection associated with the wave.

Another tropical wave along 83W is moving into Central America at about 15 kt.


...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

The monsoon trough extends from 08N78W to 10N100W. The ITCZ extends from 12N122W to 07N140W. Scattered moderate convection is from 05N to 10N between 78W and 95W, and from 07N to 10N between 118W and 134W.


...DISCUSSION...

OFFSHORE WATERS WITHIN 250 NM OF MEXICO...

Post-tropical Cyclone Dora is centered near 20.1N 113.9W at 1500 UTC moving west-northwest at 9 kt. Estimated minimum central pressure is 1007 mb. Maximum sustained winds are 30 kt with gusts to 40 kt. There is no deep convection associated with this system. It will continue to weaken today, then dissipate on Thursday. See the final NHC Forecast/Advisory under AWIPS/WMO headers MIATCMEP4/WTPZ24 KNHC for more details.

Gentle to moderate winds prevail over the remaining waters west of Baja California Norte, with light to gentle winds prevailing elsewhere. Seas are 1-3 ft in the Gulf of California, and 3-5 ft elsewhere. Little change is expected 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 across most of the region, except for southerly winds between Ecuador and the Galapagos Islands. Long period SW swell propagating across the equator with seas to 9-10 ft will subside to 4-6 ft this weekend.

REMAINDER OF THE AREA...

Recent scatterometer data indicates gentle to moderate winds prevail over the forecast waters. Altimeter data shows seas are generally 4-6 ft. Cross equatorial long period SW swell will continue to propagate into the southern waters mainly east of 125W with seas building to 8-10 ft south of 09N into Thursday.

$$ Mundell

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