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Atlantic Hurricane Outlook & Discussion

	Expires:No;;191354
ABNT20 KNHC 302341
TWOAT 

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
700 PM EST WED NOV 30 2016

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 2016 Atlantic hurricane season.  Routine issuance of the
Tropical Weather Outlook will resume on June 1, 2017.  During the
off-season, Special Tropical Weather Outlooks will be issued as
conditions warrant.

$$
Forecaster Beven



Expires:No;;479951
AXNT20 KNHC 221756
TWDAT 

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
105 PM EST Wed Feb 22 2017

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 FEATURES...

A 989 mb area of low pressure across the western North Atlc 
extends a cold front into the discussion area near 32N49W. The 
front continues SW to 25N52W to 19N61W. Gale force SW winds are 
occurring N of 27N within 210 nm E of the front. The gale force 
conditions are expected to move N of the area by 23/0600 UTC. 
See latest NWS High Seas Forecast under AWIPS/WMO headers 
MIAHSFAT2/FZNT02 KNHC for more details.

...ITCZ/MONSOON TROUGH...

The Monsoon Trough extends from the African coast near 06N09W to 
02N16W. The Intertropical Convergence Zone axis extends from 
02N16W to 01N30W to 01N40W to the South American coast near 
01S47W. Widely scattered moderate convection is from 01N-06N 
between 10W-17W, and from 00N-04N between 20W-30W. 

...DISCUSSION...

GULF OF MEXICO...

As of 1500 UTC, a 1005 mb low is centered over the NE Gulf of 
Mexico near 30N84W. A cold front extends S to 28N83W to the SE 
Gulf near 24N83W to W Cuba near 22N84W. Radar imagery shows 
scattered moderate convection and showers E of front to 80W to 
include most of Florida. The remainder of the Gulf has fair 
weather, with 10-20 kt W to NW surface winds. In the upper 
levels, an upper level low is centered over S Georgia near 
31N84W. Upper level diffluence is over S Florida and the W 
Atlantic. All of Florida has upper level moisture, while the 
remainder of the Gulf has strong subsidence. Expect the cold 
front to move across Florida and into the SW North Atlc waters 
Thursday morning. Also expect the next cold front to move off 
the Texas and Louisiana coast Friday night into early Saturday.

CARIBBEAN SEA...

The tail-end of a cold front extends from W Cuba at 22N84W to 
the Yucatan Peninsula at 21N87W to 21N89W. A prefrontal trough 
extends from the NW Caribbean at 22N82W to N Honduras at 16N87W. 
Scattered showers are within 60 nm of the trough. More scattered 
showers are over Honduras, El Salvador, and Guatemala. A very 
weak surface pressure gradient is over the remainder of the 
Caribbean Sea with 5-15 kt winds. Scattered showers are noted 
over Hispaniola, Puerto Rico, and the Leeward Islands. In the 
upper levels, ridging is over the W Caribbean and Central 
America. The base of an upper level trough is over the E 
Caribbean N of 10N and E of 70W. Strong subsidence covers the 
entire Caribbean and Central America. Expect in 24 hours for the 
cold front to extend from E Cuba to S Nicaragua with scattered 
moderate convection and showers.  
  
...HISPANIOLA...

Scattered showers are over Hispaniola with 5-10 kt easterly 
flow. Expect in 24 hours for the prefrontal convection to be 
over the Windward Passage. Expect the next 48 hours to have 
convection over Hispaniola with frontal passage.  

ATLANTIC OCEAN...

A cold front is over the central Atlantic from 32N49W to 25N52W 
to 19N61W with scattered moderate convection within 150 nm E of 
front N of 25N. A gale is E of the front N of 27N. See above. A 
prefrontal trough extends from 22N53W to 13N59W. Scattered 
showers are within 180 nm E of the trough. A 1029 mb high is 
centered over the Azores near 40N25W with a ridge axis extending 
S to the E Atlantic near 15N35W. Of note in the upper levels, 
upper level diffluence is over the W Atlantic N of 22N and W of 
75W to Florida. An upper level trough is over the central 
Atlantic N of 15N between 45W-65W supporting the central 
Atlantic cold front. Expect in 24 hours for a 1005 mb low to be 
over Cocoa Beach Florida with a cold front extending to the N 
Bahamas to central Cuba with convection. Also expect in 24 hours 
for the central Atlantic cold front to extend from 32N43W to 
20N55W to the Leeward Islands with convection and showers.  

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

$$
Formosa


	

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NHC Atlantic

Active tropical cyclones in the Atlantic, Caribbean, and the Gulf of Mexico

The Atlantic hurricane season runs from June 1st through November 30th.-The Atlantic hurricane season runs from June 1st through November 30th.
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