000
AXPZ20 KNHC 022155
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC WED MAY 2 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 
2100 UTC.

...ITCZ...
AXIS 9N84W 10N115W 4N140W. SCATTERED MODERATE ISOLATED STRONG 
CONVECTION WITHIN 30 NM OF AXIS BETWEEN 112W AND 117W.

...DISCUSSION...
UPPER LEVEL ANTICYCLONE CENTERED NEAR 13N114W ANCHORS LARGE RIDGE   
COVERING MOST OF DISCUSSION AREA. RIDGE CREST FLATTENS INTO MOSTLY 
QUASI-ZONAL FLOW BY AN UPPER LEVEL TROUGH WELL N OF FORECAST AREA.  
ABUNDANT TROPICAL MOISTURE MOVES NE ALONG UPSTREAM SIDE OF RIDGE 
WITH WEAK 50 KT WIND CORE. WATER VAPOR SWATH CROSSES SRN TIP OF BAJA 
CALIFORNIA THEN ACROSS CENTRAL MEXICO INTO WRN GULF OF MEXICO.

SFC HIGH PRES 1030 MB NEAR 32N150W WITH RIDGE EXTENDING TO 16N108W. 
MODERATE NE TRADES LOCATED W OF 125W EXPAND AND INTENSIFY SLIGHTLY 
AS PRES GRADIENT TIGHTENS BY SFC HIGH TRACKING N OF AREA. RIDGE WILL 
ALSO INCREASE NW WINDS ALONG BAJA CALIFORNIA COAST NEXT 12 HRS.   

$$
MUNDELL