000
AXPZ20 KNHC 060917
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC SUN JUN 06 2010

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.

...TROPICAL WAVE...
A TROPICAL WAVE EXTENDS FROM PANAMA TO 5N10W MOVING W AT 5 KT. 
SCATTERED MODERATE TO STRONG CONVCTION HAS DEVELOPED OVER THE 
GULF OF PANAMA.

...ITCZ...
AXIS IS ALONG 6N77W 10N100W 7N110W 9N120W 5N140W. SCATTERED 
MODERATE TO STRONG CONVECTION WITHIN 90 NM N AND 60 NM S OF AXIS 
102W-107W.

...DISCUSSION...
AN UPPER LEVEL TROUGH EXTENDS FROM A CYCLONIC CIRCULATION 
CENTERED NEAR 27N121W TO 24N130W 22N139W. A BROAD UPPER LEVEL 
RIDGE IS NW OF THE TROUGH WITH MODERATE TO STRONG SUBISIDENCE 
AND DRY STABLE AT THE MIDDLE AND UPPER LEVELS IS N OF 25N W OF 
110W. UPPER LEVEL ANTICYCLONIC CIRCULATION CENTERED OVER SE 
ARIZONA WITH RIDGE SW ACROSS THE GULF OF CALIFORNIA TO THE 
SOUTHERN TIP OF THE BAJA PENINSULA.

A BROAD UPPER LEVEL RIDGE DOMINATES THE DEEP TROPICS WITH AN
ANTICYCLONIC CIRCULATION CENTERED NEAR 11N135W WITH RIDGE 
EXTENDING TO ANOTHER ANTICYCLONIC CIRCULATION NEAR 12N108W
CONTINUING TO 13N98W. ABUNDANT TROPICAL MOISTURE IS WITHIN THE
RIDGE.

SURFACE RIDGE COVERS THE AREA N OF 15N W OF 115W WITH A 1023 MB 
HIGH PRES CENTER NEAR 27N136W. A SMALL AREA OF TRADE WINDS S OF 
THE RIDGE IS FROM 10N-20N W OF 130W. A COUPLE OF TROUGHS ARE 
ANALYZED ALONG THE ITCZ...THE FIRST EXTENDS FROM THE GULF OF 
TEHUANTEPEC NEAR 16N95W TO 8N99W. A SCATTERED SHOWERS ARE ALONG 
THE TROUGH. ANOTHER TROUGH WITH AXIS FROM 13N123W TO 5N126W. A
FEW SHOWERS ARE ALONG THE TROUGH. 

$$
DGS