[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 262349
TWDAT

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
648 PM EST Mon Nov 26 2018

Tropical Weather Discussion for North America, Central America
Gulf of Mexico, Caribbean Sea, northern sections of South
America, and Atlantic Ocean to the African coast from the
Equator to 32N. The following information is based on satellite
imagery, weather observations, radar and meteorological analysis.

Based on 1800 UTC surface analysis and satellite imagery through
2345 UTC.

...SPECIAL FEATURES...

...Gale Warning for Atlantic Waters...

A cold front extends over the central Atlantic from 31N44W to
21N62W. Gale-force winds are noted in scatterometer data north of
29.5N and within 240 nm east of the front. Seas in the area are
ranging between 9-15 ft. Expect for these conditions to persist
through this evening. Please refer to the latest High Seas
Forecast issued under the AWIPS/WMO headers HSFAT2/FZNT02 KNHC for
more information.

...Gale Warning in the Western Gulf of Mexico...

A cold front extends from north Florida near 23N83W to 25N89W to
18N95W. Gale-force winds are noted also in scatterometer data
south of 24N and west of 95W with seas ranging between 12-17 ft.
Expect for these conditions to persist until 27/0600. Please
refer to the latest High Seas Forecast issued under the AWIPS/WMO
headers HSFAT2/FZNT02 KNHC for more information.

...Gale Warning expected for Atlantic Waters...

The cold front presently over southeast Georgia/north Florida is
forecast to extend over the west Atlantic from 31N67W to 21N77W by 28/0900
UTC. Gale-force winds are forecast north of 30N between 72W-75W
with seas ranging between 12-14 ft. Please refer to the latest
High Seas Forecast issued under the AWIPS/WMO headers HSFAT2/FZNT02
KNHC for more information.

...MONSOON TROUGH/ITCZ...

The monsoon trough extends from west Africa near 09N13W to
05N19W. The ITCZ continues from that point to 03N33W to South
America near 04N51W. Scattered showers are observed along the ITCZ
between 30N-45W.

GULF OF MEXICO...

Refer to the section above for information about the Gale Warning
currently in effect for the southwest Gulf waters.

A cold front extends from north Florida near 23N83W to 25N89W to
18N95W. Scattered showers prevail with the portion of the front
north of 25N and east of 88W. A surface ridge is building in the
wake of the front, anchored by a 1032 mb high currently centered
over northern Mexico. Aside from the gale-force wind area,
scatterometer data depicts fresh to strong winds north of the
front and light to gentle southerly winds south of the front.

The cold front will continue moving southeast this evening. The gale
force winds will persist across the far southwest waters along
the coast of Mexico until 27/0600 UTC. A fresh breeze is forecast
across the east Gulf on Tuesday night, with a ridge gradually
setting up from the Florida Panhandle to central Mexico by late
Wednesday.

CARIBBEAN SEA...

Gentle to moderate tradewinds prevail over the Caribbean with
strongest winds along the coast of north Colombia. Scattered
showers are noted over Panama and Costa Rica due to the proximity
of the monsoon trough. The remainder of the basin has fair
weather mostly due to upper-level ridging with strong subsidence.

Seas to 8 ft currently across the tropical waters east of the
Windwards will gradually subside through Tuesday night. Fresh to
locally strong nocturnal trades are forecast along the north
coast of Colombia through the week. A cold front will move into
the Yucatan Basin late tonight and weaken from the Windward
Passage to Belize late by Tuesday night, with remnants of the
front lifting north across the northwest Caribbean by the end of
the week.

ATLANTIC OCEAN...

Please refer to the Special Features section above for information
on the Gale Warning in effect for the central Atlantic and the
one expected by 28/0900 UTC.

Scattered moderate convection is off the coast of north Florida
mainly west of 78W due to an approaching cold front. A 1016 mb
high is centered over the west Atlantic near 24N68W. To the east,
a cold front is over the central Atlantic from 31N44W to
21N62W. Scattered moderate convection is within 240 nm E of front
north of 25N. A 1022 mb high is centered over the E Atlantic near
27N27W.

The west Atlantic surface high will shift east of 55W by late
Tuesday, with the ridge retracting east to central Cuba. The cold
front currently over northern Florida will move off the coast
with fresh to locally strong winds forecast north of 27N within
600 nm east of the front.

For additional information please visit
http://www.hurricanes.gov/marine

$$

ERA
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