[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 111103
TWDAT

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
705 AM EDT Mon Mar 11 2019

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 0600 UTC surface analysis and satellite imagery through
1045 UTC.

...SPECIAL FEATURES...

...Caribbean Sea Gale Warning...

NE gale-force winds will be slowing down in speed, to less than
gale-force, around midday today. Expect the NE gale-force winds
to return tonight, from 11N to 13N between 74W and 76W, near the
coast of Colombia. The sea heights will range from 10 feet to 15
feet. The wind speeds will be less than gale-force during the
afternoon hours today on Monday, and then return to gale-force
from tonight until Tuesday morning. Please read the latest High
Seas Forecast issued by the National Hurricane Center under the
AWIPS/WMO header MIAHSFAT2/FZNT02 KNHC or the website
https://www.nhc.noaa.gov/text/MIAHSFAT2.shtml for more details.

...MONSOON TROUGH/ITCZ...

The monsoon trough passes through the coastal border areas of
Sierra Leone and Liberia near 07N12W to 06N14W. The ITCZ
continues from 06N14W, to the Equator along 23W, to 02S29W and
03S40W at the coast of Brazil. Scattered moderate to isolated
strong rainshowers are from 03N southward between 21W and 24W.
Isolated moderate to locally strong rainshowers are elsewhere to
the south of the line from 07N12W to 04N30W to 04N51W.

GULF OF MEXICO...

Broad upper level anticyclonic wind flow spans the entire Gulf
of Mexico.

An east-to-west oriented surface ridge passes through 28N73W in
the Atlantic Ocean, across Florida along 28N, into the north
central Gulf of Mexico, and then toward the SW, to the
coast of Mexico at 20N.

A east-to-west oriented stationary front passes through east
Texas, to west Texas just to the north of the Texas Big Bend.

High pressure will prevail across the forecast waters through
Thursday. A cold front will enter the NW Gulf of Mexico on
Thursday night. The front will reach from the Florida Big Bend
to the Bay of Campeche by Friday evening. It is possible that
gale-force winds may affect the coastal waters of Mexico, near
Tampico and Veracruz, on Friday.

CARIBBEAN SEA...

High pressure to the north of the area will support fresh to
strong trade winds in much of the central Caribbean Sea through
Friday night. Gale-force winds are expected each night near the
coast of Colombia. Moderate to fresh trade winds will continue
across the remainder of the area.

ATLANTIC OCEAN...

Upper level cyclonic wind flow covers the area that is from 20N
to 30N between 58W and 70W. Isolated moderate rainshowers are in
that same area.

A surface ridge extends from Bermuda, westward across Florida
along 28N, into the north central Gulf of Mexico.

A central Atlantic Ocean upper level trough is supporting a cold
front that passes through 32N49W, to 27N49W and 22N53W.
Scattered moderate to isolated strong rainshowers are from 24N
to 31N between 43W and 50W.

Broad surface anticyclonic wind flow covers the area that is
from 20N northward from 40W eastward.

High pressure will prevail across the area today. A cold front,
entering the NW waters on Monday, will move across the waters N
of 27N through Tuesday night. High pressure will develop again
in the northern waters from Wednesday through Thursday night,
and then shift eastward on Friday.

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

$$
mt
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