000
AXPZ20 KNHC 020905 RRA
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC SAT JUN 02 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 STORM BARBARA NEAR 14.4N92.7W AT 0900 UTC JUN 02 MOVING 
NE OR 40 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. 
ESTIMATED MINIMUM CENTRAL PRES 1000 MB. NUMEROUS MODERATE TO 
STRONG CONVECTION FROM 13N-15N BETWEEN 92W-94W. SEE LATEST NHC 
FORECAST/ADVISORY UNDER AWIPS/WMO HEADERS MIATCMEP2/WTPZ22 FOR 
MORE DETAILS. 

..ITCZ...
ITCZ AXIS IS CENTERED ALONG 16N97W 8N115W 8N124W 6N140W. NO 
SIGNIFICANT CONVECTION.

DISCUSSION...
BROAD MID/UPPER LEVEL RIDGE IS MOVING INTO THE NW PORTION OF THE 
DISCUSSION AREA WITH AXIS FROM 32N130W 24N140W. DOWNSTREAM TROUGH
EXTENDS FROM CYCLONIC CIRCULATION OFF THE SOUTHERN CALIFORNIA 
COAST TO 32N122W 20N123W. SW WINDS AHEAD OF THE TROUGH IS 
SPREADING UPPER LEVEL MOISTURE INTO BAJA CALIFORNIA AND NORTHERN
MEXICO. UPPER LEVEL ANTICYCLONIC CIRCULATION CENTERED OVER
MEXICO NEAR 20N102W WITH RIDGE NWD INTO NEW MEXICO. MODERATE TO
STRONG SUBSIDENCE COVERS THE AREA FROM 15N-25N E OF 115W.

SURFACE 1009 MB LOW...REMNANTS OF T.S. ALVIN...NEAR 12N119W.  
SCATTERED MODERATE TO STRONG CONVECTION ASSOCIATED WITH THE LOW 
IS FROM 10N-13N BETWEEN 118W-122W.

$$
DGS