000
AXPZ20 KNHC 190319
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SAT MAY 19 2007

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W. 

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0300 UTC.

...ITCZ...

INTERTROPICAL CONVERGENCE ZONE IS ALONG THE LINE...6N77W 6N100W 
10N120W 8N140W. SCATTERED MODERATE TO STRONG CONVECTION IS 
WITHIN 75 NM OF THE COAST OF COSTA RICA SOUTH OF 10N. SCATTERED 
MODERATE WITH ISOLATED STRONG CONVECTION IS WITHIN 120 NM OF THE 
POINT 8.1N93.3W. SCATTERED MODERATE TO STRONG CONVECTION IS 
WITHIN THE AREA FROM 9N TO 10.5N FROM 113W TO 119W.

...DISCUSSION...

MIDDLE AND UPPER LEVEL TROUGH IS NORTH OF A LINE 30N107W 14N140W.
THE AREA IS CLOUD FREE IN THE MIDDLE AND UPPER LEVELS WITH 
OVERCAST STRATOCUMULUS EXCEPT CLEAR SKIES NORTH OF 27N FROM 125W 
TO 131W. UPPER MOISTURE IS ADVECTING OVER MEXICO WITHIN 400 NM S 
OF THE LINE BUT FEW CLOUDS ARE OBSERVED IN THIS MOISTURE PLUME.

REMAINDER OF THE AREA IS COVERED BY MIDDLE AND UPPER LEVEL RIDGE 
WITH LITTLE ASSOCIATED WEATHER.

AT THE SURFACE MODERATE RIDGE IS NORTH OF 15N WEST OF 115W. 
ELSEWHERE WEAK TROUGH IS ANALYZED.

GULF OF TEHUANTEPEC...NLY WINDS OVER LAND ARE SUSTAINED AT 15 TO 
20 KT WITH MINIMAL GALE IN THE GULF OF TEHUANTEPEC ENDING AT 24 
HOURS.   

$$
LL