000
AXPZ20 KNHC 052049
TWDEP 

TROPICAL WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC THU JUN 05 2008

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

BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2030 UTC.

...ITCZ...

INTERTROPICAL CONVERGENCE ZONE (ITCZ) IS CENTERED ALONG 7N79W
10N90W 11N100W 10N110W 7N120W 5N130W 5N140W. SCATTERED MODERATE 
TO STRONG CONVECTION IS WITHIN 120 NM N OF THE AXIS BETWEEN 
91W-94W. SCATTERED MODERATE/ISOLATED STRONG CONVECTION IS WITHIN 
120 NM N OF THE AXIS BETWEEN 94W-96W. SCATTERED MODERATE 
CONVECTION IS WITHIN 60 NM N OF THE AXIS BETWEEN 96W-110W.

...DISCUSSION...

A MID/UPPER LEVEL TROUGH EXTENDS FROM THE WRN UNITED STATES SW 
TO N CENTRAL MEXICO AND THEN TO THE SRN GULF OF CALIFORNIA. NW
OF THE TROUGH...AN UPPER LEVEL ANTICYCLONE NW OF THE AREA NEAR
33N140W EXTENDS A RIDGE SEWD THROUGH 32N133W TO 28N125W. UPPER
LEVEL MOISTURE WITHIN 390 NM SW OF THE RIDGE IS SLOWLY SPREADING
WWD. A NEARLY STATIONARY WEAK MID/UPPER LEVEL TROUGH EXTENDS 
FROM 15N135W SEWD TO 12N125W TO 6N127W.
 
AN UPPER LEVEL ANTICYCLONE IS CENTERED NEAR 21N110W WITH A RIDGE 
EXTENDING NEWD ACROSS CENTRAL MEXICO...AND FURTHER NE TO ACROSS 
ERN TEXAS AND THE NRN PORTION OF THE MIDDLE GULF OF MEXICO. 
ANOTHER RIDGE EXTENDS W FROM THE ANTICYCLONE TO NEAR 21N119W. AN 
UPPER ANTICYCLONE IS OBSERVED NEAR 12N92W ON WATER VAPOR IMAGERY 
WITH ITS ENVELOPE OF ANTICYCLONIC FLOW DOMINATING THE UPPER 
LEVELS OF THE TROPICS GENERALLY E OF ABOUT 95W. ASSOCIATED UPPER 
DIFFLUENCE CONTINUES TO SUPPORT CONVECTION ALONG AND NEAR THE 
ITCZ BETWEEN 89W-104W. RESULTANT UPPER LEVEL DEBRIS MOISTURE IS 
SPREADING SSW FROM THE VICINITY OF THE ITCZ TO NEAR 04N. 
ELSEWHERE...MODERATE SUBSIDENCE PREVAILING IN THE MID AND UPPER 
LEVELS IS CONTINUING TO RESULT IN ONLY ISOLATED SHOWERS AND 
TSTMS PRIMARILY FROM
3N TO 8N W OF 127W.

AT THE SURFACE...BROAD LOW PRES REMAINS OVER MUCH OF MEXICO AND
COVERS THE ERN PACIFIC WATERS TO THE N OF 15N AND E OF 115W. 
SCATTERED STRONG CONVECTION IS WITHIN 45 NM OF 9N85W...AND
WITHIN 30 NM OF 8N82W.

STATIONARY HIGH PRES NW OF THE AREA NEAR 34N143W WITH A PRES
OF 1031 MB HAS AN ASSOCIATED RIDGE EXTENDING SE TO 27N131W TO
20N121W. HIGH PRES COVERS THE AREA N OF 15N W OF 121W. A TIGHT
PRES GRADIENT EXISTING BETWEEN THE HIGH AND LOW PRES OVER THE 
WRN UNITED STATES AND NRN MEXICO CONTINUES TO CREATE NW WINDS OF 
20-25 KT OVER THE FAR NE PART OF THE DISCUSSION AREA N OF ABOUT 
27N E OF 125W TO THE COAST OF BAJA CALIFORNIA WITH SEAS THERE 
IN THE 9-14 FT RANGE. HIGHER WIND SPEEDS REACHING TO GALE 
CONTINUE JUST N OF THIS PART OF THIS AREA.

SLY WINDS UP TO 20 KT ARE NOTED OVER THE SRN WATERS FROM 5N TO
10N BETWEEN 93W-112W.

$$
AGUIRRE