[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 260527
TWDAT

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1227 AM EST Sun Nov 26 2017

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 0000 UTC surface analysis and satellite imagery through
0430 UTC.

...ITCZ/MONSOON TROUGH...

The monsoon trough extends from the African coast near 12N16W to
07N19W. The Intertropical Convergence Zone extends from 07N19W to
07N30W to the South American coast near 06N54W. Scattered moderate
to strong convection is from 03N to 08N between 24W and 33W.
Scattered moderate convection is elsewhere from 03N to 12N between
21W and 40W.

...DISCUSSION...

GULF OF MEXICO...

A surface ridge axis extends SE across the western and central
Gulf from high pressure centered over the central United States.
This is supporting generally fair weather and gentle to moderate
NE to E winds over this portion of the basin. A surface trough is
over the eastern Gulf with an axis extending from 28N85W to
23N84W. Scattered showers are S of 28N and E of 87W. Moderate
northerly winds are W of the trough over the eastern Gulf.
Moderate NE to E winds are E of the trough. Over the next 24 hours
the trough will drift SW. Little change is expected elsewhere.

CARIBBEAN SEA...

A stationary front extends from central Cuba near 21N78W to
18N83W. Scattered showers and thunderstorms are within 90 nm of
either side of the front. Moderate NE winds are NW of the front. A
surface trough is over the SW Caribbean with an axis extending
from 17N79W to 09N76W. Isolated thunderstorms are S of 13N W of
73W. Moderate northerly winds are W of the trough, except fresh
to strong within 60 nm of the coast of Nicaragua. Generally fair
weather and moderate easterly trades cover the remainder of the
central and eastern Caribbean. Over the next 24 hours the front
will begin to dissipate. Little change is expected elsewhere.

...HISPANIOLA...

Isolated showers and thunderstorms continue over the island, as
moist southwest flow aloft prevails over the region. Little change
is expected over the next 48 hours.

ATLANTIC OCEAN...

A cold front over the W Atlantic enters the area of discussion
near 31N67W and extends to the central Bahamas near 23N75W to
central Cuba near 21N78W. A pre-frontal trough extends from 28N67W
to 21N73W. Scattered showers and isolated thunderstorms are within
90 nm W of the front S of 28N, and within 300 nm E of the front.
Another cold front enters the area of discussion over the central
Atlantic near 31N47W and extends to 28N52W, where it transitions
to a stationary front to 25N58W. Scattered showers are within 60
nm SE of the front. A surface trough extends from 20N53W to
13N54W. No significant convection is noted with this trough. A
dissipating stationary front is over the eastern Atlantic from
31N16W to 22N21W to 17N36W. No significant convection is noted
with this front. Over the next 24 hours the west Atlantic front
will become stationary. The central Atlantic front will move E.
The E Atlantic front will transition to a surface trough.

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

$$
Latto
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