000
AXPZ20 KNHC 022030
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC MON APR 02 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2045 UTC.

...ITCZ...

ITCZ AXIS IS CENTERED ALONG 6N78W 7N115W 5N125W 3N140W. 
SCATTERED MODERATE 120 NM WIDE 78W TO 95W.

...DISCUSSION...

A N-S RIDGE IS ALONG 130 MOVCING E 15-20 KT. A DEEP TROUGH 
EXTENDS FROM 32N112W TO 7N11W MOVING ENE 20-25 KT.DRY SINKING 
AIR ALOFT ROUGHLY N OF 15N E OF 124W. A SWLY JET ORIGINATES AT 
THE SE BASE OF THE TROUGH AND EXTENDS ACROSS MEXICO AND INTO THE 
S CENTRAL U.S. CARRYING A PLUME OF MOISTURE 300 NM E OF A LINE 
FROM 17N108W 30N100W. A FEW CLUSTERS OF SCATTERED MODERATE HAVE 
DVELOPED ALONG THE ITCZ AXIS E OF 95W.

AT THE SFC...WEAK HIGH  DOMINATES THE AREA. THE STRONGEST 
WINDS...20 TO 25 KT...ARE NEAR THE NORTH COAST OF COSTA RICA AND 
THE SOUTHERN PART OF NICARAGUA INCLUDING THE GULF OF PAPAGAYO. 

$$
JC/DGS