000
AXPZ20 KNHC 010921
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC FRI JUN 01 2007

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

BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.

...SPECIAL FEATURES...
TROPICAL DEPRESSION BARBARA NEAR 13.0N 94.7W 1005 MB AT 0900 UTC 
JUN 01 MOVING E OR 080 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 30 
KT GUSTS 40 KT. MODERATE TO STRONG CONVECTION ASSOCIATED WITH 
BARBARA IS FROM 11N-14N BETWEEN 94W-96W.

..ITCZ...
ITCZ AXIS IS CENTERED ALONG 12N99W 8N120W 5N140W. SCATTERED 
MODERATE TO STRONG WITH 100 NM EITHER SIDE OF AXIS FROM 99W TO 
106W AND WITHIN 100 NM N OF AXIS FROM 125W TO 128W.

DISCUSSION...
MID TO UPPER LEVEL TROUGH WITH AXIS FROM 32N129W TO CYCLONIC
CIRCULATION NEAR 28N130W...TROUGH CONTINUES TO 20N136W. A 70-90
KT JET STREAM IS E OF THE TROUGH FROM 24N128W TO 27N125W 30N119W.
BROKEN TO OVERCAST CIRRUS CLOUDS ARE NOTED WITHIN 240 NM E OF 
THE JET. MID TO UPPER LEVEL RIDGE EXTENDS FROM ANTICYCLONIC 
CIRCULATION NEAR 16N112W N ACROSS THE GULF OF CALIFORNIA INTO 
THE SW UNITED STATES. AN AREA OF SUBSIDENCE WITHIN THE RIDGE 
FROM 12N-25N BETWEEN 117W-104W. AN UPPER LEVEL TROUGH EXTENDS 
FROM THE WESTERN GULF OF MEXICO S TO NEAR THE GULF OF 
TEHUANTEPEC.

A 1009 MB LOW PRES...REMNANTS OF T.S. ALVIN...NEAR 12N117W. 
SCATTERED MODERATE ISOLATED STRONG IS WITHIN 90 NM OF CENTER 
OVER W SEMICIRCLE. SURFACE TROUGH IS ANALYZED ALONG THE ITCZ
FROM 9N131W TO 3N131W.

$$
DGS