[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 301744
TWDAT

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
143 PM EDT Thu Aug 30 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 1200 UTC surface analysis and satellite imagery through
1715 UTC.

...SPECIAL FEATURE...

Potential Tropical Cyclone Six is centered near 12.9N 18.4W at
30/1500 UTC or 370 nm ESE of The Southernmost Cabo Verde Islands
moving W at 10 kt. Estimated minimum central pressure is 1007
mb. Maximum sustained wind speed is 25 kt with gusts to 35 kt.
The government of the Cabo Verde Islands has issued a Tropical
Storm Warning for the southern islands of Santiago, Fogo and
Brava. Scattered moderate to isolated strong convection is from
08N-15N between 14W-27W. See latest NHC forecast/advisory under
AWIPS/WMO headers MIATCPAT1/WTNT31 KNHC for more details.

...TROPICAL WAVES...

An Atlantic tropical wave extends its axis along 39W from 15N
southward, moving west at 15 kt. Isolated moderate convection is
from 07N-09N between 36W-43W.

An E Caribbean tropical wave extends its axis from 20N70W to
07N71W, moving west at 20 kt. Scattered moderate convection is
over the NE Caribbean from 15N-22N between 60W-73W.

A tropical wave extends its axis over the Bay of Campeche along
93W between 06N-21N, moving west at 20 kt. Isolated moderate
convection prevails over southern Mexico S of 19N between 94W-
100W.

...MONSOON TROUGH/ITCZ...

The monsoon trough passes through the coast of Africa near
12N16W to 11N30W to 08N45W. The ITCZ continues from 08N45W to the
coast of South America near 06N54W. Besides the convection
mentioned with Potential Tropical Cyclone Six, and the tropical
wave, isolated moderate convection is from 06N-09N between 44W-
55W.

...DISCUSSION...

GULF OF MEXICO...

An upper level low is centered over NE Mexico near 25N100W.
Another small upper level low is centered over the NE Gulf of
Mexico near 30N86W. Patches of scattered moderate convection is
over the N Gulf N of 23N. At the surface, a ridge extends along
30N producing 10-15 kt SE surface flow. A tropical wave is over
the Bay of Campeche. See above.

CARIBBEAN SEA...

A tropical wave is over the E Caribbean. Refer to the section
above for details.

An upper level low is centered S of Hispaniola near 17N73W.
Upper level cyclonic flow covers the entire Caribbean. An area of
diffluent flow is over the NW Caribbean S of Cuba.

The eastern part of the eastern Pacific monsoon trough is along
10N from 74W in Colombia beyond southern Costa Rica. Scattered
moderate to isolated strong convection is from 07N-11N between
72W-83W.

Fresh to strong winds will prevail in the south central Caribbean,
before diminishing through Saturday. Gentle to moderate winds
will prevail elsewhere.

ATLANTIC OCEAN...

A low amplitude tropical wave is moving across the basin. Refer
to the section above for details.

A 1022 mb high is centered W of Bermuda near 32N71W. A 1026 mb
high is centered near the Azores at 36N24W. Moderate to fresh
winds will be S of 24N, and gentle to moderate winds will be N of
24N. Winds will pulse to fresh to strong just north of Hispaniola,
including the approach to the Windward Passage, during the
evening and overnight hours through the weekend. A tropical wave
over the east Caribbean and adjacent Atlantic waters will produce
active weather as it moves westward across the Lesser Antilles and
Bahamas through Monday.

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

$$
Formosa
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