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AP-NW--KNHC-NW Tropical Weather Discussion, NW

By The Associated Press | Posted - Mar. 8, 2014 at 10:50 a.m.



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302

AXNT20 KNHC 081748

TWDAT

TROPICAL WEATHER DISCUSSION

NWS NATIONAL HURRICANE CENTER MIAMI FL

105 PM EST SAT MAR 08 2014

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 FEATURE...

GALE WARNING AREAS ARE IN EFFECT FOR THE SW N ATLANTIC. COLD

FRONT IS FROM 31N66W TO 21N77W. GALE FORCE WINDS ARE N OF 29 E

OF FRONT TO 63W WITH SW TO W WINDS 25 TO 35 KT AND SEAS 10 TO 15

FT. GALE FORCE WINDS ARE ALSO N OF 29N W OF FRONT TO 70W WITH W

TO NW WINDS 25 TO 35 KT AND SEAS 11 TO 15 FT. PLEASE SEE THE

HIGH SEAS FORECAST UNDER AWIPS/WMO HEADERS MIAHSFAT2/FZNT01 KNHC

OR THE OFFSHORE FORECAST UNDER AWIPS/WMO HEADERS

MIAOFFNT3/FZNT23 KNHC FOR MORE DETAILS.

...ITCZ/MONSOON TROUGH...

THE MONSOON TROUGH EXTENDS ACROSS AFRICA INTO THE TROPICAL ATLC

NEAR 7N12W AND CONTINUES TO 2N15W. THE ITCZ EXTENDS FROM 7N12W

TO 1S20W TO 0N30W TO THE COAST OF BRAZIL NEAR 1S45W. SCATTERED

MODERATE TO STRONG CONVECTION IS WELL S OF THE MONSOON TROUGH

FROM 3S-2N BETWEEN 0W-7W. ISOLATED MODERATE CONVECTION IS

ALONG THE ITCZ FROM 4S-4N BETWEEN 16W-24W.

...DISCUSSION...

GULF OF MEXICO...

A 1021 MB HIGH IS CENTERED OVER SW ALABAMA NEAR 31N85W. 10-15 KT

E TO SE SURFACE WINDS DOMINATE OVER THE GULF OF MEXICO WITH

PATCHES OF BROKEN LOW CLOUDS. OVERCAST LOW CLOUDS ARE OVER THE W

GULF W OF 94W TO INCLUDE THE COASTS OF TEXAS AND MEXICO. A

SURFACE TROUGH IS NEAR TAMPICO MEXICO FROM 19N96W TO 21N97W TO

23N100W. IN THE UPPER LEVELS...A RIDGE IS PRODUCING SW FLOW WITH

SCATTERED HIGH CLOUDS OVER THE N GULF N OF 28N AND STRONG

SUBSIDENCE S OF 28N. EXPECT A COLD FRONT TO MOVE INTO THE

WESTERN GULF LATE TONIGHT INTO SUN. THE FRONT WILL MOVE SLOWLY

EASTWARD ACROSS THE WESTERN GULF WITH A LOW PRES LIKELY

DEVELOPING ALONG THE FRONT BOUNDARY NEAR 25N95W ON MON. EXPECT

SCATTERED SHOWERS AND THUNDERSTORMS WITH THE FRONT AND LOW.

CARIBBEAN SEA...

AS OF 1500 UTC...A COLD FRONT IS MOVING OVER E CUBA FROM 21N75W

TO 20N78W. A DISSIPATING COLD FRONT CONTINUES OVER THE CARIBBEAN

SEA TO 19N83W. A DISSIPATING STATIONARY FRONT CONTINUES FURTHER

TO 18N87W TO THE GULF OF HONDURAS AT 16N89W. NO SIGNIFICANT

PRECIPITATION REMAINS ALONG THE FRONTS. 10-25 KT TRADEWINDS ARE

SE OF THE FRONTS WITH STRONGEST WINDS ALONG THE COAST OF N

COLOMBIA. SCATTERED SHOWERS ARE OVER JAMAICA...HISPANIOLA...

PUERTO RICO...THE VIRGIN ISLANDS...AND THE LEEWARD ISLANDS. MORE

SHOWERS ARE OVER N COLOMBIA AND E PANAMA. IN THE UPPER LEVELS...

A RIDGE IS PRODUCING S-SW FLOW WITH SCATTERED HIGH CLOUDS OVER N

COLOMBIA. STRONG SUBSIDENCE IS OVER THE REMAINDER OF THE

CARIBBEAN SEA. EXPECT OVER THE NEXT 24 HOURS FOR THE FRONTS TO

COMPLETELY DISSIPATE BUT RESIDUAL SHOWERS WILL REMAIN FROM

PUERTO RICO TO JAMAICA...AND OVER N COLOMBIA AND PANAMA.

HISPANIOLA...

SCATTERED SHOWERS ARE OVER HISPANIOLA W OF 71W. FAIR WEATHER IS

OVER E HISPANIOLA AND THE MONA PASSAGE. EXPECT LITTLE CHANGE

OVER THE NEXT 24 HOURS.

ATLANTIC OCEAN...

A FAST MOVING COLD FRONT IS OVER THE W ATLANTIC PRESENTLY FROM

30N63W TO 24N70W TO E CUBA AT 21N75W. SCATTERED MODERATE

CONVECTION IS WITHIN 60 NM E OF FRONT. BROKEN TO OVERCAST LOW

CLOUDS ARE W OF FRONT N OF 26N AND W OF 70W. GALE FORCE WINDS

ARE ON BOTH SIDES OF THE FRONT N OF 29N. SEE ABOVE. A 1024 MB

HIGH IS OVER THE CENTRAL ATLANTIC NEAR 26N47W. A WEAK COLD FRONT

DIPS INTO THE CENTRAL ATLANTIC FROM 32N28W TO 28N37W TO 32N50W.

SCATTERED SHOWERS ARE WITHIN 45 NM OF THE FRONT. A 1010 MB LOW

IS CENTERED E OF THE CANARY ISLANDS NEAR 28N13W. SCATTERED

SHOWERS ARE WITHIN 45 NM OF THE LOW. IN THE UPPER LEVELS...A

LARGE UPPER LEVEL HIGH IS CENTERED E OF TRINIDAD AT 9N56W WITH

RIDGING OVER THE W ATLANTIC W OF 50W. A LARGE UPPER LEVEL TROUGH

IS OVER THE E ATLANTIC. THE TROUGH AXIS EXTEND FROM THE CANARY

ISLANDS TO 17N37W. EXPECT THE COLD FRONT TO CONTINUE TO MOVE W

OVER THE NEXT 24 HOURS WITH CONVECTION.

FOR ADDITIONAL INFORMATION PLEASE VISIT

HTTP://WWW.HURRICANES.GOV/MARINE

$$

FORMOSA

Delivered by Weather Underground Inc. Sat Mar 8 2014 12:48PM EST

Copyright © The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

The Associated Press

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