Tropical Track & Forecast
Interactive - 5 Day Track Forecast Cone / Coastal Watches & Warnings
Coastal Watches/Warnings and 5-Day Forecast Cone for Storm Center
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Current Infrared Satellite Image
2014 Tropical Cyclone Tracks
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Latest Tropical Weather Outlook
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Probability of Formation 0-24hrs
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Probability of Formation 24-48hrs
Graphical Tropical Weather Discussion
AXNT20 KNHC 181754
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1254 PM EST Tue Dec 18 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
The monsoon trough passes from N Liberia near 06N10W to 03N16W.
The ITCZ continues from that point to 02N30W to 01N40W. A surface
trough is from 11N southward between 41W-43W. The ITCZ resumes
from 01N45W to the coast of Brazil near 00N49W. Scattered moderate
convection is noted 140 nm southwest of N Liberia from 04N-03N
between 12W- 19W, and further west from 11N to 02S between 26W-
40W. Numerous moderate convection is observed along the vicinity
of the surface trough extending 100 to 180 nm on either side of
GULF OF MEXICO...
An upper level low over southern NM is progressing eastward today
supporting diffluence across northwest Gulf of Mexico. Numerous
showers associated to the upper low are observed stretching from
central Mexico to Brownsville, Texas near 26N97W to 29N92W. Along
the northern and eastern Gulf coast, a 1022 mb high is centered
over S Mississippi near 30N89W. Broken to overcast clouds cover
much of the basin with 10-15 kt anticyclonic winds.
This upper level low is forecast to intensify as it moves E-NE
from Texas to the Carolinas Wed through Thu night, dragging a
strong cold front across the Gulf waters. Marine conditions are
expected to rapidly deteriorate across the region Thu afternoon as
the low deepens. Gale force winds are likely north of 25N across
the central and northern Gulf Thu night and Fri. Seas will build
to a maximum around 20 ft on Fri over the central Gulf.
A 1015 mb surface low is centered off the coast of Honduras near
16N85W. A stationary front extends north from the low to central
Cuba near 20N78W then continues into the west Atlantic. Scattered
showers are within 90 nm on either side of the front. Scatterometer
data depicts moderate to fresh trades across the Caribbean.
However, strong to near-gale winds will pulse at night near the
coast of Colombia. Gentle winds are between Hispaniola and
A weakening stationary front extending from eastern Cuba to
16N85W will dissipate later today, then drift westward over the
Yucatan peninsula tonight as a surface trough. Fresh to strong
winds will continue across the south-central Caribbean through
Sat, with the strongest winds near the coast of Colombia each
night. A cold front associated with an intense low pressure system
north of the area will enter the NW Caribbean Thu night.
A cold front extends across the west Atlantic from 31N57W to
27N62W. A stationary front extends from that point to eastern
Bahamas into eastern Cuba near 27N62W. Scattered showers are
noted within 90 nm on either side of the boundary. Scattered
moderate isolated strong convection is within 90 nm on either
side of the cold front mainly from 21N-26N between 54W-61W.
Surface ridging prevails across the basin anchored by a 1024 mb
high centered near 26N37W.
The western portion of the stationary front will slowly drift
northward Wed and Thu as an intense low pressure system develops
over the southeast U.S.. Gale force winds are likely north of 27N
east of Florida Thu night through Fri night both ahead and behind
of a cold front associated with the low. Maximum seas will build
to around 20 ft by Fri night west of 70W.
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