[Tropical] Tropical Weather Discussion

EMWIN Server emwin at nashvilleweather.net
Mon Mar 14 06:29:47 CDT 2016


AXNT20 KNHC 141128
TWDAT

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
805 AM EDT MON MAR 14 2016

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.

...ITCZ/MONSOON TROUGH...

THE MONSOON TROUGH EXTENDS FROM THE COAST OF AFRICA NEAR 08N13W
TO THE E TROPICAL ATLANTIC NEAR 02N19W. THE INTERTROPICAL
CONVERGENCE ZONE AXIS BEGINS NEAR 02N19W AND CONTINUES TO 00N30W
TO THE COAST OF SOUTH AMERICA NEAR 03S42W. SCATTERED MODERATE TO
ISOLATED STRONG CONVECTION IS S OF THE MONSOON TROUGH FROM 02N-
07N BETWEEN THE PRIME MERIDIAN AND 02W. SCATTERED MODERATE
CONVECTION IS FROM 04N-02S BETWEEN 17W-38W.

...DISCUSSION...

GULF OF MEXICO...

THE REMNANTS OF A SURFACE TROUGH IS OVER CENTRAL FLORIDA AND THE
NE GULF OF MEXICO PRODUCING SCATTERED SHOWERS FROM 27N-29N
BETWEEN 80W-85W. 10 KT SOUTHERLY RETURN FLOW IS OVER THE
REMAINDER OF THE GULF WITH FAIR WEATHER. IN THE UPPER LEVELS...
ZONAL FLOW WITH STRONG SUBSIDENCE IS NOTED. EXPECT LITTLE CHANGE
OVER THE NEXT 24 HOURS.

CARIBBEAN SEA...

A 1009 MB LOW IS CENTERED OVER N COLOMBIA NEAR 09N74W. 20-25 KT
WINDS REMAIN ALONG THE COAST OF N COLOMBIA. 10-20 KT TRADEWINDS
ARE OVER THE REMAINDER OF THE CARIBBEAN. SCATTERED SHOWERS
PERSIST OVER INLAND S GUATEMALA...AND EL SALVADOR. SCATTERED
SHOWERS ARE ALONG THE COAST OF PANAMA AND COSTA RICA. MORE
SCATTERED SHOWERS ARE OVER THE E CARIBBEAN E OF 75W TO INCLUDE
OVER HISPANIOLA AND PUERTO RICO. IN THE UPPER LEVELS... A BROAD
UPPER LEVEL RIDGE IS OVER THE CARIBBEAN WITH AXIS ALONG 75W.
STRONG SUBSIDENCE IS OVER THE ENTIRE CARIBBEAN AND CENTRAL
AMERICA. EXPECT LITTLE CHANGE OVER THE NEXT 24 HOURS.

HISPANIOLA...

SCATTERED SHOWERS ARE ADVECTING OVER HISPANIOLA FROM THE E.
EXPECT MORE SHOWERS OVER THE NEXT 24 HOURS. STRONG SUBSIDENCE
ALOFT WILL SUPPRESS ALL THUNDERSTORM ACTIVITY.

ATLANTIC OCEAN...

A 1021 MB SURFACE HIGH IS OVER THE W ATLANTIC NEAR 27N66W WITH
MOSTLY FAIR WEATHER. A COLD FRONT HAS DIPPED DOWN INTO THE
EASTERN AND CENTRAL ATLANTIC FROM THE N. THE COLD FRONT EXTENDS
FROM 31N24W TO 26N30W TO 25N40W. A STATIONARY FRONT CONTINUES TO
24N55W. SCATTERED SHOWERS ARE WITHIN 45 NM OF THE FRONT. A PRE-
FRONTAL TROUGH EXTENDS FROM 31N21W TO 21N30W. SCATTERED SHOWERS
ARE WITHIN 45 NM OF THE TROUGH. IN THE UPPER LEVELS...UPPER
LEVEL DIFFLUENCE IS OVER THE W ATLANTIC PRODUCING SCATTERED
SHOWERS N OF 27N BETWEEN 75W-80W. A LARGE UPPER LEVEL TROUGH IS
OVER THE EASTERN AND CENTRAL ATLANTIC N OF 20N BETWEEN 10W-60W
SUPPORTING THE COLD FRONT. EXPECT THE COLD FRONT IN 24 HOURS TO
MOVE E AND DISSIPATE. ALSO EXPECT ANOTHER COLD FRONT TO DIP INTO
THE CENTRAL ATLANTIC AND EXTEND FROM 31N39W TO 27N46W TO 28N60W
WITH SHOWERS.

FOR ADDITIONAL INFORMATION PLEASE VISIT
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORMOSA
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