000
AXPZ20 KNHC 110234
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC WED APR 11 2007

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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0245 UTC.

...ITCZ...

ITCZ AXIS IS CENTERED INTERTROPICAL CONVERGENCE ZONE...5N78W 
6N90W 6N100W 7N110W 5N120W 5N140W. NO SIGNIFICANT CONVECTION.

...DISCUSSION...

UPPER LEVELS...AN EXTENSIVE AREA OF STRONG SUBSIDENCE AND 
ASSOCIATED DRY AIR N OF 17N E OF 123W. A SUBTROPICAL JET STREAM 
BRANCH THAT EXTENDS FROM 19N128W SWED THROUGH 16N119W THEN E 
ALONG 16N115W TO 15N107W AND NEWD TO ACROSS MEXICO AT 17N100W. 

SURFACE...HIGH PRESSURE RIDGE THROUGH 32N131W TO 24N122W TO 
19N114W. LARGE PATCHES OF CLOUDS ARE SEEN OVER MOST AREAS. A FEW 
SCATTERED SHOWERS ARE NOTED ALONG THE COASTAL AREAS OF COSTA 
RICA TO PANAMA. 

MARINE CONDITIONS...FROM 8N TO 19N W OF 122W NE WINDS 20 TO 25 
KT SEAS 8 TO 10 FT. N OF 28N BETWEEN 118W AND 125W NW TO N WINDS 
20 TO 25 KT SEAS 9 TO 13 FT. N OF 25N E OF 118W NW WINDS TO 20 
KT SEAS TO 9 FT. ELSEWHERE N OF 12N W OF 110W WINDS LESS THAN 20 
KT SEAS 8 TO 12 FT. FROM 10N TO 14N BETWEEN 112W AND 128W NE 
WINDS 20 KT SEAS 8 TO 10 FT. 

GAP WIND CONDITIONS...NONE.

$$
TORRES