000
AXPZ20 KNHC 110335
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SAT MAY 10 2008

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

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0300 UTC.

...ITCZ...
ITCZ AXIS IS CENTERED ALONG 7N77W TO 10N110W TO 5N120W TO 6N130W 
TO 4N140W. SCATTERED MODERATE TO STRONG CONVECTION WITHIN 180 NM 
N OF AXIS FROM 91W-95W AND WITHIN 90 NM N OF AXIS FROM 134W-140W.

...DISCUSSION...
MID/UPPER LEVEL CUT-OFF LOW IS LOCATED ABOUT 800 NM W OF BAJA 
CALIFORNIA NEAR 27N131W WITH A 90-100 KT SUBTROPICAL JET ON ITS 
SE PERIPHERY EXTENDING FROM 17N140W TO 18N130W TO CENTRAL BAJA 
CALIFORNIA. WIDESPREAD SUBSIDENCE AND RESULTANT DRY AIR ALOFT 
SURROUND THE UPPER LOW N OF 18N W OF 125W. ABUNDANT TROPICAL 
MOISTURE IS BEING ADVECTED NE ALONG THE SUBTROPICAL JET ACROSS 
BAJA CALIFORNIA AND NORTHERN MEXICO IN THE FORM OF WIDESPREAD 
CIRRUS.  DOWNSTREAM LARGE UPPER LEVEL ANTICYCLONE IS CENTERED 
OVER THE BAY OF CAMPECHE WITH RIDGE EXTENDING WWD ACROSS MEXICO 
17N115W. MODERATE SUBSIDENCE ACROSS THE SOUTHERN HALF OF MEXICO 
SWD TO HONDURAS AND THE ADJACENT WATERS.

A 1007 MB LOW ANALYZE ALONG THE ITCZ NEAR 7N87W. A SECOND 1008 
MB LOW IS CENTERED NEAR 7N112W. OTHERWISE SURFACE HIGH PRES 
COVERS THE AREA N OF 14N W OF 105W. BROKEN/OVERCAST 
STRATOCUMULUS CLOUDS ARE N OF 15N W OF 120W AND OFF THE CENTRAL 
AND NORTHERN COAST OF BAJA CALIFORNIA.

$$
DGS