000
AXPZ20 KNHC 241512
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC WED MAR 24 2010

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

BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.

...ITCZ...
AXIS IS ALONG 2N79W 5N95W 2N120W 3N140W. SCATTERED MODERATE TO 
STRONG CONVECTION WITHIN 150 NM S OF AXIS FROM 88W-90W AND FROM 
1N-7N W OF 135W.

...DISCUSSION...
BROAD UPPER LEVEL RIDGE OVER THE WESTERN PORTION OF THE 
DISCUSSION AREA WITH AXIS FROM 32N126W TO 15N130W 5N140W. HIGH 
LEVEL MOISTURE IS MOVING ACROSS THE W PORTION OF THE RIDGE 
GENERALLY N OF 20N W OF 127W. OTHERWISE MODERATE TO STRONG 
SUBSIDENCE WITH DRY STABLE AIR AT THE MIDDLE AND UPPER LEVELS OF 
THE ATMOSPHERE COVERS THE AREA FROM 5N-20N W OF 120W. A 90-95 KT 
JET STREAM ENTERS THE AREA AT 25N140W TO 28N130W 22N118W. 
DOWNSTREAM A LARGE AMPLITUDE UPPER LEVEL TROUGH EXTENDS FROM 
THEN NEW MEXICO/MEXICO BORDER TO SOUTHERN BAJA PENINSULA TO
11N118W. A 95-105 KT JET STREAM IS SE OF THE TROUGH FROM THE W 
COAST OF MEXICO NEAR 23N107W ACROSS NORTHERN MEXICO TO THE BIG 
BEND OF TEXAS. THE JET IS ADVECTING HIGH LEVEL MOISTURE ACROSS 
CENTRAL MEXICO. AN UPPER LEVEL ANTICYCLONIC CIRCULATION IS OFF 
THE COAST OF EL SALVADOR NEAR 13N90W. STRONG SUBSIDENCE 
ASSOCIATED WITH THE ANTICYCLONE IS N OF 10N E OF 95W.

A 1022 MB SURFACE HIGH PRES CENTERED NEAR 289N135W WILL KEEP 
20-25 KT TRADES FROM 05N TO 20N W OF 120W. A SURFACE TROUGH IS 
ANALYZED ALONG THE ITCZ FROM 9N-3N ALONG 96W. SCATTERED MODERATE 
CONVECTION IS WITHIN 100 NM EITHER SIDE OF THE TROUGH.

MODERATE TO STRONG ELY WINDS CONTINUE TO BLOW THROUGH THE GULF 
OF PAPAGAYO AND ARE EXPECTED TO DECREASE BY THU NIGHT.

FOR ADDITIONAL INFORMATION PLEASE VISIT 
HTTP://WWW.HURRICANES.GOV/MARINE

$$
WALLY DGS