000
AXPZ20 KNHC 271601
TWDEP 

TROPICAL WEATHER DISCUSSION   
NWS NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC SUN MAR 27 2011

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

BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0630 UTC.

...ITCZ...

THE INTERTROPICAL CONVERGENCE ZONE AXIS FROM 07N81W TO 03N105W 
TO 04N110W TO 03N140W. SCATTERED MODERATE WITHIN 90 NM EITHER 
SIDE OF AXIS BETWEEN 110W AND 120W. SCATTERED MODERATE WITHIN 30 
NM BETWEEN 121W AND 130W.

...DISCUSSION...

FAIRLY PROGRESSIVE PATTERN PERSISTS OVER THE TROPICAL NE PACIFIC 
UNDER ZONAL FLOW ALOFT. A 1025 MB HIGH PRES CENTERED NEAR 
32N154W WILL SHIFT E TO 32N146W THROUGH 12Z MON. A DISSIPATING 
COLD FRONT EXTENDS FROM SOUTHERN CALIFORNIA TO 29N124W TO 
29N130W. OTHERWISE GENERAL RIDGING EXTENDS FROM THE SURFACE HIGH 
THROUGH THE BAJA PENINSULA. 

SHIP AND ASCAT DATA SHOW 20 TO 25 KT WINDS FROM NW TO N WINDS 
ALONG THE CENTRAL BAJA COAST...BETWEEN THE HIGH PRES AND 
TROUGHING AND TERRAIN OVER NORTHERN MEXICO. ASCAT DATA ALSO SHOW 
20 KT NE TRADE WIND FLOW S OF THE RIDGE. ALTIMETER DATA SHOW 8 
TO 12 FT SEAS OVER MOST OF THE AREA W OF 110...PRIMARILY IN NW 
SWELL. A WEAK TROUGH IS EVIDENT ALONG 113W...WITH SCATTERED 
MODERATE COVECTION ALONG THE ITCZ TO THE WEST OF THE TROUGH 
WHERE BETTER LOW LEVEL CONVERGENCE IS IN PLACE.

$$
CHRISTENSEN