ABNT20 KNHC 302336
Tropical Weather Outlook
NWS National Hurricane Center Miami FL
700 PM EST Fri Nov 30 2018
For the North Atlantic...Caribbean Sea and the Gulf of Mexico:
Tropical cyclone formation is not expected during the next 5 days.
This is the last regularly scheduled Tropical Weather Outlook of
the 2018 Atlantic hurricane season. Routine issuance of the
Tropical Weather Outlook will resume on June 1, 2019. During the
off-season, Special Tropical Weather Outlooks will be issued as
AXNT20 KNHC 200526
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1226 AM EST Wed Feb 20 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 0000 UTC surface analysis and satellite imagery through
...Caribbean Gale Warning...
High pressure over the tropical Atlantic continues to build
westward across the Caribbean, which will tighten the pressure
gradient over the coast of Colombia. This will result in gale-
force winds pulsing each night across this area and south-central
Caribbean through Sun. A gale is presently in effect until
20/1500 UTC within 90 nm of the coast of Colombia with seas to 12
ft. Please refer to the latest High Seas Forecast product, under
AWIPS/WMO headers FZNT02 KNHC/HSFAT2, or at website
https://www.nhc.noaa.gov/text/MIAHSFAT2.shtml, for more details.
The monsoon trough extends from W Africa near 09N13W to 02N18W.
The ITCZ continues from this point to 02S25W to the coast of
South America near 05S38W. Scattered moderate to strong convection
is from 01N-06N between 02W-08W. Scattered moderate convection is
from 01S-05S between 09W-21W. Scattered moderate convection is
also from 04N-02S between 24W-34W.
GULF OF MEXICO...
At 20/0300 UTC, a 1008 mb low is centered near Houston Texas at
29N84W. A cold front extends S from the low to NW Mexico near
25N97W. A warm front extends E from the low to the Florida
Panhandle near 31N87W to Daytona Beach Florida near 29N81W.
Satellite imagery shows overcast stratus clouds and fog W of the
cold front and N of the warm front. Radar imagery shows scattered
showers over N Florida. 10-20 kt southerly winds are over most of
the Gulf of Mexico E of the cold front.
The cold front will move E tonight and reach from SE Louisiana to
Veracruz, Mexico on Wed afternoon where it will stall before
lifting north again as a warm front through Thu evening. Looking
ahead, another cold front should move off the Texas coast by Sat
afternoon reaching from the Florida Big Bend to the western Bay of
Campeche by Sun evening.
Please refer to the SPECIAL FEATURES section above for more
details about the Gale Warning in effect over the south-central
Caribbean waters near Colombia.
Recent scatterometer pass and surface observations indicated
fresh to strong easterly trade winds prevail over much of the
basin, with strongest winds just north of Colombia. Scattered
quick moving showers are moving with the trades over the basin.
Dry air in the mid-to-upper levels of the atmosphere continues to
dominate the region.
High pressure north of the region will maintain fresh to strong
trade winds over mainly the central Caribbean and north of
Honduras, with gales pulsing off Colombia most nights through Sun
night. N to NE swell will build over Atlantic waters E of the
Windward and Leeward Islands on Thu and continue through the
A frontal system extends from the central Atlantic near 31N48W to
27N70W to 29N78W. A warm front continues to Daytona Florida near
29N81W. Scattered showers are within 90 nm N of the front. A 1022
mb high is also over the central Atlantic near 24N45W. A surface
trough is over the E Atlantic from 26N32W to 21N31W.
Over the W Atlantic, the portion of the front W of 75W will lift
N of the area as a warm front through early Wed, while the
portion east of 75W will dissipate over the SE waters Wed night.
Fresh to strong winds associated with the front will continue to
affect the NW waters through Wed evening. Surface high pressure
will become established across the region on Thu and will prevail
through the weekend.
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