000
AXPZ20 KNHC 010315
TWDEP 

TROPICAL WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC MON JUN 01 2009

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...

AXIS ALONG 07N78W TO 07N84W TO 11N95W AND THEN FROM 06N104W TO 
06N120W TO 09N134W TO 07N140W. SCATTERED MODERATE ISOLATED 
STRONG CONVECTION IS LOCATED N OF 05N E OF 81W AND WITHIN 60 NM 
EITHER SIDE OF A LINE FROM 13N96W TO 08N101W.

...DISCUSSION...

W OF 120W...
A LARGE MIDDLE/UPPER LEVEL CYCLONIC CIRCULATION IS POSITIONED N 
OF THE DISCUSSION AREA NEAR 39N134W AND IS MOVING E ABOUT 10 KT. 
A TROUGH AXIS EXTENDS SOUTHWARDS FROM THE CIRCULATION TO NEAR 
24N135W WITH CYCLONIC FLOW NOTED E OF THE AXIS TO 124W AND W OF 
THE AXIS TO NEAR 140W. THE STRONGEST WINDS ASSOCIATED WITH THE 
TROUGH ARE LOCATED E OF THE AXIS WITH SATELLITE CLOUD DRIFT 
WINDS INDICATING SPEEDS OF 45 TO 55 KT. SURFACE REFLECTION IS 
INDICATED BY A STATIONARY FRONT THAT IS LOCATED THROUGH 32N128W 
TO BEYOND 23N140W. THE FRONT IS WEAK AND MINIMAL CONVECTION IS 
ASSOCIATED WITH IT. A STATIONARY 1019 MB HIGH CENTER IS LOCATED 
E OF THE FRONT NEAR 27N127W. WESTERLY FLOW ALOFT COVERS A LARGE 
AREA FROM NEAR 10N TO 24N W OF 120W. AN UPPER LEVEL CYCLONIC 
CYCLONIC CIRCULATION W OF THE AREA IS FORECAST TO MOVE E TO NEAR 
17N134W IN 48 HOURS. NORTHWEST WINDS TO 20 KT ARE LOCATED ALONG 
AND UP TO 180 NM OFF OF THE BAJA CALIFORNIA COAST.

E OF 120W...
WINDS ALOFT ARE MOSTLY WESTERLY N OF 10N BETWEEN 105W AND 
120W...LIGHT AND VARIABLE BETWEEN 88W AND 105W...AND NORTHERLY E 
OF 88W. AT THE SURFACE A TROUGH EXTENDS FROM 13N96W TO A LOW 
07N100W 1010 MB TO 05N103W...DRIFTING W. WITHIN 240 NM E OF 
TROUGH SE TO S WINDS ARE 20 KT AND WITHIN 240 NM W OF TROUGH NE 
WINDS ARE 20 KT.

$$
CAB