000
AXPZ20 KNHC 260950
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC TUE JUN 26 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 
0845 UTC.

...TROPICAL WAVES...

A TROPICAL WAVE IS ALONG 106W SOUTH OF 18N MOVING WEST 10 KT.
NUMEROUS STRONG SHOWERS AND THUNDERSTORMS HAVE BEEN DEVELOPING
DURING THE LAST SIX HOURS FROM 13N TO 16N BETWEEN 103W AND 105W.
GRADUAL DEVELOPMENT OF THIS SYSTEM INTO A TROPICAL CYCLONE IS 
POSSIBLE DURING THE NEXT FEW DAYS.

TROPICAL WAVE ALONG 113W/114W SOUTH OF 16N MOVING WEST
10 TO 15 KT. THE ONLY PRECIPITATION ANYWHERE NEAR THIS
WAVE IS IN THE ITCZ.

TROPICAL WAVE ALONG 129W/130W SOUTH OF 16N MOVING WEST 10 TO
15 KT. ISOLATED MODERATE SHOWERS TO LOCALLY STRONG THUNDERSTORMS
FROM 12N TO 13N BETWEEN 127W AND 130W.

..THE ITCZ...

6N78W 6N84W 12N101W 12N106W 10N113W 9N116W 7N120W 12N128W 11N131W
8N140W. NUMEROUS STRONG SHOWERS AND THUNDERSTORMS FROM 13N TO 
16N BETWEEN 103W AND 105W. SCATTERED MODERATE TO ISOLATED STRONG 
SHOWERS AND THUNDERSTORMS FROM 4N TO 7N BETWEEN 78W AND 80W. 
ISOLATED MODERATE SHOWERS TO LOCALLY STRONG THUNDERSTORMS FROM 
6N TO 10N BETWEEN 116W AND 121W...FROM 12N TO 13N BETWEEN 127W 
AND 130W...AND FROM 8N TO 13N BETWEEN 98W AND 112W.

...DISCUSSION...

UPPER LEVELS...
AN UPPER LEVEL ANTICYCLONIC CIRCULATION CENTER IS NEAR 17N101W.
A RIDGE RUNS FROM SOUTH CENTRAL TEXAS NEAR 29N98W TO MEXICO NEAR
23N101W TO THE ANTICYCLONIC CENTER...TO THE EASTERN PACIFIC 
OCEAN NEAR 8N105W. A NARROW MIDDLE LEVEL TROUGH RUNS FROM 
25N112W TO A SMALL CYCLONIC CIRCULATION CENTER NEAR 20N118W TO
15N119W. A SECOND UPPER LEVEL ANTICYCLONIC CIRCULATION CENTER IS 
NEAR 25N126W. THIS ANTICYCLONIC CENTER IS SURROUNDED BY DRY AIR/
SUBSIDENCE FROM 14N TO 30N BETWEEN 120W AND 140W. THE BASE OF
A MIDDLE TO UPPER LEVEL TROUGH REACHES 34N134W JUST NORTH OF
THE AREA.

SURFACE...
A RIDGE EXTENDS FROM 24N120W TO 26N126W 29N132W TO A 1026 MB 
NEAR 34N136W. THE TAFB WAS GIVING A POSITION FOR A CENTER OF
AN AREA OF DISTURBED WEATHER ABOUT 300 NM WEST SOUTH-WEST OF 
ACAPULCO MEXICO. NUMEROUS STRONG SHOWERS AND THUNDERSTORMS
FROM 13N TO 16N BETWEEN 103W AND 105W. IT REALLY HAS BEEN
LOOKING MORE LIKE AN OPEN WAVE SINCE 26/0500 UTC.

SIGNIFICANT WINDS AND SEAS...
FROM 18N TO 26N W OF 128W NORTHEAST WINDS 20 KT SEAS TO 8 FT.  
N OF 25N BETWEEN 120W AND 128W NORTH WINDS 20 KT SEAS TO 9 FT.
FROM 10N TO 12.5N E OF 92W...INCLUDING THE GULF OF PAPAGAYO
EASTERLY WINDS 20 KT SEAS TO 8 FT.

$$
MT