[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 280008
TWDAT

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
705 PM EST MON NOV 27 2006

TROPICAL WEATHER DISCUSSION FOR NORTH AMERICA...
CENTRAL AMERICA...THE GULF OF MEXICO...THE CARIBBEAN SEA...
NORTHEASTERN SECTIONS OF SOUTH AMERICA...AND THE ATLANTIC
OCEAN TO THE AFRICAN COAST FROM THE EQUATOR TO 32N.
THE FOLLOWING INFORMATION IS BASED ON SATELLITE IMAGERY...
METEOROLOGICAL ANALYSIS...WEATHER OBSERVATIONS...AND RADAR.

BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY
THROUGH 2315 UTC.

...THE ITCZ...
ITCZ AXIS IS CENTERED ALONG 10N12W 6N30W 4N40W 5N53W.  WIDELY
SCATTERED MODERATE CONVECTION IS WITHIN 90 NM EITHER SIDE OF THE
AXIS BETWEEN 23W-39W.

...DISCUSSION...
THE GULF OF MEXICO...
A 1028 MB HIGH IS CENTERED OVER SOUTH CAROLINA NEAR 35N81W.  A
RIDGE AXIS EXTENDS SW TO THE SW GULF OF MEXICO NEAR 22N98W.  E
TO SE 10-20 KT SURFACE FLOW IS NOTED.  PATCHES OF BROKEN TO
OVERCAST LOW CLOUDS WITH ISOLATED SHOWERS DOTS THE GULF OF
MEXICO AND FLORIDA.  IN THE UPPER LEVELS... AN UPPER LEVEL HIGH
IS CENTERED OVER THE SW GULF NEAR 23N93W.  STRONG SUBSIDENCE
COVERS THE ENTIRE GULF.   JETSTREAM WITH MOISTURE EXTENDS FROM
CENTRAL MEXICO TO E TEXAS WITHIN 90 NM OF THE LINE 20N106W
30N98W.  EXPECT LITTLE CHANGE IN THE WEATHER OVER THE NEXT 24
HOURS.

THE CARIBBEAN SEA...
MODERATE TRADEWINDS TRAVERSES THE CARIBBEAN SEA.  ISOLATED
MODERATE CONVECTION IS OVER THE SW CARIBBEAN SEA S OF 12N
BETWEEN 74W-84W.  MULTILAYERED CLOUDS WITH SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS ARE OVER HISPANIOLA DUE TO THE TAIL END
OF A STATIONARY FRONT THAT HAS BEEN OVER THE ISLAND FOR SEVERAL
DAYS.  SAN JUAN RADAR ALSO SHOWS ISOLATED THUNDERSTORMS OVER
PUERTO RICO FROM 17N-19N BETWEEN 65W-67W.  IN THE UPPER LEVELS...
A SMALL UPPER LEVEL LOW IS CENTERED OVER E CUBA NEAR 20N75W.
CYCLONIC FLOW AND STRONG SUBSIDENCE IS WITHIN 200 NM OF THE
CENTER.  WLY UPPER LEVEL FLOW IS OVER THE MAJORITY OF THE
CARIBBEAN SEA S OF 16N BETWEEN 60W-83W.  EXPECT TROPICAL SHOWERS
OVER THE SRN CARIBBEAN...NRN SOUTH AMERICA...AND CENTRAL
AMERICA... S OF 15N DURING THE NEXT 24 HOURS.

THE ATLANTIC OCEAN...
A 1007 MB GALE LOW IS JUST N OF THE AREA NEAR 34N53W.  A COLD
FRONT EXTENDS SW ALONG 32N50W 28N53W 24N60W.  A STATIONARY FRONT
CONTINUES SW TO HISPANIOLA NEAR 20N73W.  SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS ARE WITHIN 180 NM E OF THE FRONTS.  A
COLD FRONT IS OVER THE E ATLANTIC ALONG 32N20W AND EXTENDS W TO
31N36W.  A WARM FRONT CONTINUES W TO 34N50W.  SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS ARE WITHIN 90 NM OF THE FRONTS.  IN
THE UPPER LEVELS... AN UPPER LEVEL TROUGH IS OVER THE W ATLANTIC
N OF 20N BETWEEN 60W-80W.  A BROAD RIDGE IS N OF 20N BETWEEN
30W-60W.  A TROUGH IS OVER THE TROPICAL ATLANTIC FROM 5N-18N
BETWEEN 40W-60W.  WLY FLOW IS E OF 30W TO AFRICA.

$$
FORMOSA


This weather bulletin was brought to you by:
www.nashvilleweather.net