[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 281156
TWDAT

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
756 AM EDT Sat Apr 28 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 0600 UTC surface analysis and satellite imagery through
1115 UTC.

...MONSOON TROUGH/ITCZ...

The monsoon trough extends from 09N13W to 01N25W. The ITCZ
continues from 01N25W to 01N40W to 00N50W. Scattered moderate
convection is from 00N to 05N between 40W and 50W.

...DISCUSSION...

GULF OF MEXICO...

A cold front extends from south Florida near 26N81W to 22N90W to
22N98W, near Tampico Mexico. Isolated moderate convection is
occurring N of the front W of 95W, in response to a disturbance
moving over the base of an upper trough over the region. Otherwise,
this front is mostly void of precipitation. Moderate northerly
winds are occurring across the majority of the Gulf this morning.
The cold front is expected to clear the entire region by tonight
with high pressure building in its wake. Most of the region should
experience fair weather and relatively light winds/low seas this
weekend.

CARIBBEAN SEA...

Scattered showers and thunderstorms are occurring over the far
southwestern Caribbean Sea near the coasts of Colombia, Panama,
and Costa Rica. This activity is primarily associated with the
monsoon trough. Similar activity is occurring over the far
northwestern Caribbean to include the E Yucatan Peninsula, Belize,
central Honduras, and W Cuba. This activity is associated with a
pre-frontal trough that extends from W Cuba near 23N83W to
16N88W. Otherwise, typical patches of low clouds and isolated
showers are moving westward across the area in the trade wind
flow. Fresh trades are occurring over the S central Caribbean,
while mainly moderate trades are occurring elsewhere. These winds
will prevail through the weekend.

ATLANTIC OCEAN...

A cold front extends from 31N79W to S Florida near 26N81W. The
combination of forcing ahead of this front and an upper trough to
the west is supporting scattered moderate convection with
thunderstorms N of 22N between the cold front and 69W. Moderate
to fresh southerly winds are over this region ahead of the front,
with moderate northerly winds behind the front. To the east,
generally quiet weather conditions exist across the remainder of
the western and central Atlantic basin supported by surface high
pressure and dry air in the middle and upper levels of the
atmosphere. An upper trough over the eastern Atlantic is
supporting a cold front along 31N E of 30W as well as scattered
thunderstorms within 90 nm of a line from 22N30W to 19N36W. For
the remainder of the weekend, the cold front over the W Atlantic will
move east and weaken, with thunderstorms continuing within a few
hundred nm east of the front. High pressure will continue to
dominate over the central and eastern Atlantic.

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

$$
Latto
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