000
AXPZ20 KNHC 050910
TWDEP 

TROPICAL WEATHER DISCUSSION      
NWS NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC SAT MAY 05 2012

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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH IS ALONG 11N86W TO 07N98W. ITCZ EXTENDS FROM 
7N98W 8N110W 4N120W 5N140W. SCATTERED MODERATE TO STRONG 
CONVECTION WITHIN 240 NM S OF AXIS FROM 86W TO 93W. 

...DISCUSSION...
A BROAD UPPER LEVEL RIDGE COVERS THE DISCUSSION AREA FROM10N-15N 
W OF 120W. MODERATE TO STRONG SUBSIDENCE WITH DRY STABLE AIR AT 
THE MIDDLE LEVELS IS N OF 10N W OF 110W. A 70-75 KT JETSTREAM 
EXTENDS FROM 22N135W TO 23N123W. AN UPPER LEVEL TROUGH EXTENDS 
OVER THE GULF OF CALIFORNIA FROM 28N112W TO 16N105W. DIFFLUENT 
UPPER LEVEL FLOW IS ENHANCING CONVECTIVE ACTIVITY ACROSS NE 
MEXICO. IN THE DEEP TROPICS AN UPPER LEVEL ANTICYCLONIC 
CIRCULATION IS CENTERED NEAR 8N110W.

HIGH PRES N OF THE AREA HAS STRENGTHENED AND NLY WINDS HAVE 
INCREASED TO 20 KT N OF AROUND 23N W OF 120W. LARGE NW SWELLS TO 
11 FT ARE FORECAST TO PROPAGATE INTO THE AREA N OF 25N BETWEEN 
120W-130W ON SUN. TRADES AROUND THE SOUTHERN PERIPHERY OF THE 
RIDGE HAVE INCREASED TO 20 KT FROM 6N-11N W OF 120W

OTHERWISE...WINDS WILL BE LESS THAN 20 KT AND SEAS WILL BE LESS 
THAN 8 FT.

$$
DGS