000
AXPZ20 KNHC 061509
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL                      
1605 UTC THU MAR 06 2014

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W. THE FOLLOWING INFORMATION IS 
BASED ON SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...AND 
METEOROLOGICAL ANALYSIS.

BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.                           

...SPECIAL FEATURE...                                        

GULF OF TEHUANTEPEC GALE WARNING...FRESH TO STRONG N WINDS WILL 
FUNNEL THROUGH THE CHIVELA PASS INTO TEHUANTEPEC TONIGHT. WINDS 
WILL BRIEFLY INCREASE TO MINIMAL GALE FORCE AROUND 0600 UTC 
FRI...AND CONTINUE FOR ABOUT 6 HOURS THROUGH 1200 UTC. SEAS WILL 
RAPIDLY BUILD TO 11 FT DURING BRIEF PERIOD OF GALE WIND. WINDS 
AND SEAS ARE EXPECTED TO RAPIDLY DIMINISH FRI AFTERNOON.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...              

MONSOON TROUGH EXTENDS FROM 07N85W TO 03N100W TO 03N106W. ITCZ 
EXTENDS FROM 03N106W TO 05N120W TO 03N140W. NO SIGNIFICANT 
CONVECTION. SCATTERED SHOWERS ARE FROM 02N TO 04N BETWEEN 90W 
AND 108W...AND FROM 04N TO 10N BETWEEN 110W AND 115W.

...DISCUSSION...

IN THE UPPER LEVELS... 

AN UPPER LEVEL RIDGE IS W OF 125W. A CUT-OFF LOW IS CENTERED 
NEAR 07N114W. A SMALL AREA OF UPPER LEVEL DIFFLUENCE IS E OF THE 
CENTER. AN UPPER LEVEL TROUGH IS OVER MEXICO BETWEEN 90W AND 
105W. AN UPPER LEVEL RIDGE IS E OF 90W. 

ON THE SURFACE...

A DISSIPATING STATIONARY FRONT IS OVER THE NW AREA FROM 30N130W 
TO BEYOND 28N140W. SCATTERED SHOWERS ARE WITHIN 90 NM OF THE 
FRONT. NW OF LINE FROM 30N131W TO 23N140W WINDS ARE 20 KT OR 
LESS WITH SEAS 12 TO 14 FT IN NW SWELL. ELSEWHERE W OF 110W 
WINDS ARE 20 KT OR LESS WITH SEAS 8 TO 12 FT IN NW SWELL. A 1022 
MB HIGH IS CENTERED NEAR 24N130W. A SURFACE TROUGH IS FROM 
14N99W TO 11N108W. SCATTERED MODERATE CONVECTION IS FROM 11N TO 
14N BETWEEN 103W AND 107W. EXPECT THE FRONT TO DISSIPATE TODAY. 
EXPECT A 12 FT SWELL TRAIN TO MOVE FROM THE NW CORNER TOWARDS 
THE N COAST OF BAJA CALIFORNIA THROUGH SAT. ALSO EXPECT ON SUN 
FOR A COLD FRONT TO ENTER THE NW CORNER WITH A NEW SWELL TRAIN 
OF 8 TO 14 FT. 

GENTLE TO MODERATE WIND AND SEA CONDITIONS WILL PREVAIL IN 
THE GULFS OF CALIFORNIA...PAPAGAYO AND PANAMA THROUGH SAT.

$$
FORMOSA