000
AXPZ20 KNHC 090916
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC WED JUN 09 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 WAVES...
TROPICAL WAVE N OF 3N ALONG 79W MOVING W 10-15 KT. SCATTERED 
MODERATE TO STRONG CONVECTION FROM 3N-7N E OF 85W.

TROPICAL WAVE FROM 13N91W TO 7N94W MOVING W 10 TO 15 KT.
SCATTERED MODERATE CONVECTION WITHIN 50 NM E OF AXIS FROM 10-13N.

...ITCZ...
AXIS IS ALONG 9N84W 8N105W 9N130W 7N140W. SCATTERED MODERATE 
ISOLATED STRONG CONVECTION WITHIN 60 NM EITHER SIDE OF AXIS FROM 
95W-98W AND WITHIN 120 NM N OF AXIS FROM 130W-134W.

...DISCUSSION...
UPPER LEVEL RIDGE OVER THE N PORTION OF THE DISCUSSION AREA WITH
AXIS FROM 32N123W TO 28N140W. UPPER LEVEL MOISTURE IS N OF THE 
RIDGE AXIS. AN UPPER LEVEL TROUGH IS SE OF THE RIDGE EXTENDING 
FROM A WEAK CYCLONIC CIRCULATION OFF THE COAST OF NORTHERN BAJA 
CALIFORNIA NEAR 29N117W TO ANOTHER MORE WELL DEFINED CYCLONIC 
CIRCULATION NEAR 21N131W...TROUGH CONTINUES TO 15N140W. MODERATE 
TO STRONG SUBSIDENCE ENVELOPS THE LOW AND N OF 17N W OF 125W. A 
NARROW UPPER LEVEL TROUGH IS ALONG BAJA CALIFORNIA SE OF THE 
WEAK CYCLONIC CIRCULATION EXTENDING 20N110W.

IN THE DEEP TROPICS AN UPPER LEVEL ANTICYCLONIC CIRCULATION IS 
CENTERED NEAR 15N118W WITH A RIDGE SW TO 12N132W. UPPER LEVEL
DIFFLUENT FLOW SW OF THE RIDGE IS ENHANCING CONVECTION ALONG THE
ITCZ AND SURFACE TROUGH FROM 130W-137W. HIGH LEVEL MOISTURE
FROM THIS CONVECTION IS BEING ADVECTED NE BETWEEN THE ANTICYCLONE
AND THE CYCLONIC CIRCULATION. ANOTHER UPPER LEVEL RIDGE EXTENDS
FROM AN ANTICYCLONIC CIRCULATION OVER THE GULF OF MEXICO ACROSS
SOUTHERN MEXICO TO 16N108W.

SURFACE RIDGE COVERS THE AREA N OF 15N W OF 115W. TRADES AROUND 
20 KT ARE ALONG THE SOUTHERN PERIPHERY OF THE RIDGE FROM 10N-20N 
W OF 132W. A COUPLE OF TROUGHS ARE ANALYZED ALONG THE ITCZ. THE 
FIRST EXTENDS FROM 11N105W TO 7N108W. ISOLATED SHOWERS ARE ALONG 
THE TROUGH AXIS. ANOTHER TROUGH FROM 12N133W TO 6N135W. 
SCATTERED MODERATE ISOLATED STRONG CONVECTION WITHIN 240 NM W OF 
TROUGH AXIS FROM 9N-11N.

$$
DGS