[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 100528
TWDAT

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
205 AM EDT TUE APR 10 2012

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 0415 UTC.

...THE ITCZ/THE MONSOON TROUGH...

THE MONSOON TROUGH PASSES THROUGH THE COASTAL BORDER AREA OF
SIERRA LEONE AND GUINEA NEAR 9N13W TO 3N19W. THE ITCZ CONTINUES
FROM 3N19W...TO 1N26W 1N33W...AND 1N40W. THE ITCZ CROSSES THE
EQUATOR ALONG 43W...AND IT ENDS IN NORTHEASTERN BRAZIL NEAR
2S46W. SCATTERED STRONG CONVECTIVE PRECIPITATION IS FROM 1N TO
5N BETWEEN 11W AND 13W...FROM 1N TO 4N BETWEEN 14W AND 30W...
AND TO THE SOUTH OF 6N BETWEEN 30W AND 42W. ISOLATED MODERATE
CONVECTIVE PRECIPITATION IS TO THE SOUTH OF 7N BETWEEN 51W AND
54W.

...DISCUSSION...

THE GULF OF MEXICO...
AN UPPER LEVEL TROUGH IS MOVING ACROSS 80W...FROM SOUTH CAROLINA
TO THE FLORIDA STRAITS. UPPER LEVEL NORTHWESTERLY WIND FLOW
COVERS THE GULF OF MEXICO. A SURFACE RIDGE EXTENDS FROM
A 1020 MB HIGH PRESSURE CENTER THAT IS IN THE SOUTHWESTERN
CORNER OF LOUISIANA TO 24N96W...TO THE MEXICO GULF COAST THAT
IS NEAR 20N96W...TOWARD THE ISTHMUS OF TEHUANTEPEC. A SECOND
SURFACE RIDGE EXTENDS FROM THE SAME 1020 MB HIGH CENTER...ACROSS
CENTRAL FLORIDA...INTO THE ATLANTIC OCEAN BEYOND 28N79W.
A SURFACE TROUGH IS ALONG 17N83W IN THE CARIBBEAN SEA...ACROSS
THE NORTHEASTERN CORNER OF THE YUCATAN PENINSULA...INTO THE GULF
OF MEXICO NEAR 25N91W. BROKEN MULTILAYERED CLOUDS AND POSSIBLE
RAINSHOWERS ARE TO THE NORTH OF 15N BETWEEN 81W AND LAND IN THE
NORTHWESTERN CORNER OF THE CARIBBEAN SEA...AND TO THE SOUTH OF
26N BETWEEN 86W AND 92W IN THE GULF OF MEXICO. THE MARINE
CONDITIONS FOR THE NEXT 24 HOURS ARE WITHIN 120 NM TO THE EAST
OF THE 17N83W 25N91W TROUGH TO THE SOUTH OF 25N EAST WINDS
20 KNOTS...AND SEA HEIGHTS LESS THAN 8 FEET. PLEASE REFER
TO THE MIAOFFNT4 AND MIAHSFAT2 BULLETINS FOR MORE DETAILS.

THE CARIBBEAN SEA...
A SURFACE TROUGH IS ALONG 17N83W IN THE CARIBBEAN SEA...ACROSS
THE NORTHEASTERN CORNER OF THE YUCATAN PENINSULA...INTO THE GULF
OF MEXICO NEAR 25N91W. BROKEN MULTILAYERED CLOUDS AND POSSIBLE
RAINSHOWERS ARE TO THE NORTH OF 15N BETWEEN 81W AND LAND IN THE
NORTHWESTERN CORNER OF THE CARIBBEAN SEA...AND TO THE SOUTH OF
26N BETWEEN 86W AND 92W IN THE GULF OF MEXICO. A DISSIPATING
STATIONARY FRONT CONTINUES FROM THE ATLANTIC OCEAN NEAR
22N62W...TO 21N64W 20N70W...AND SOUTHEASTERN COASTAL CUBA THAT
IS NEAR 21N76W. ISOLATED MODERATE CONVECTIVE PRECIPITATION IS
FROM 18N NEAR JAMAICA TO 24N IN THE ATLANTIC OCEAN BETWEEN 59W
AND 76W.
THIS AREA COVERS THE NORTHERN COAST OF HISPANIOLA AND WATERS
THAT ARE TO THE NORTH OF PUERTO RICO. THE MARINE CONDITIONS FOR
THE NEXT 24 HOURS ARE TO THE NORTH OF 19N TO THE EAST OF 85W
INCLUDING IN THE WINDWARD PASSAGE NORTHEASTERLY WINDS 20 KNOTS
AND SEA HEIGHTS LESS THAN 8 FEET. PLEASE REFER TO THE MIAOFFNT3
AND MIAHSFAT2 BULLETINS FOR MORE DETAILS. UPPER LEVEL
NORTHWESTERLY WIND FLOW MOVES THROUGH THE YUCATAN CHANNEL.
UPPER LEVEL SOUTHERLY WIND FLOW MOVES FROM THE EASTERN PACIFIC
OCEAN AND SOUTH AMERICA BETWEEN 60W AND 90W...EVENTUALLY CURVING
NORTHEASTWARD TO THE WEST OF 70W...AND EASTWARD TO THE EAST OF
70W. RAINSHOWERS ARE POSSIBLE ELSEWHERE TO THE EAST OF 70W.

THE ATLANTIC OCEAN...
AN UPPER LEVEL TROUGH PASSES THROUGH 32N46W TO 26N66W AND
20N72W. THIS TROUGH SUPPORTS A STATIONARY FRONT THAT PASSES
THROUGH 32N54W TO 25N58W AND 22N62W. A DISSIPATING STATIONARY
FRONT CONTINUES FROM 22N62W 21N64W 20N70W...AND SOUTHEASTERN
COASTAL CUBA THAT IS NEAR 21N76W. ISOLATED MODERATE CONVECTIVE
PRECIPITATION IS FROM 20N TO 24N BETWEEN 59W AND 76W...AND FROM
27N TO 30N BETWEEN 54W AND 56W. SURFACE ANTICYCLONIC WIND FLOW
MOVES AROUND A 1020 MB HIGH PRESSURE CENTER THAT IS NEAR
29N65W...BETWEEN THE STATIONARY FRONT AND A 35N70W 31N76W
ATLANTIC OCEAN COLD FRONT. AN UPPER LEVEL TROUGH EXTENDS FROM
A 29N25W CYCLONIC CIRCULATION CENTER...TO 23N29W AND 17N33W.
A SURFACE TROUGH CURVES FROM A 1014 MB LOW PRESSURE CENTER THAT
IS NEAR 30N24W TO 28N26W AND 26N30W. THIS LOW CENTER IS FORECAST
TO HAVE A PRESSURE OF 1015 MB AND TO MOVE NEAR 24N23W DURING
THE NEXT 24 HOURS. WIDELY SCATTERED MODERATE CONVECTIVE
PRECIPITATION IS FROM 24N TO 31N BETWEEN 22W AND 28W.
A SURFACE RIDGE PASSES THROUGH 32N41W TO 24N47W AND 14N55W.

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

$$
MT





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