000
AXPZ20 KNHC 251520
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC FRI MAY 25 2007

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

BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.

...SPECIAL FEATURES...
A LOW PRESSURE IS LOCATED NEAR 12N109W 1008 MB WITH A BROAD AREA 
OF DIFFLUENT ANTICYCLONIC FLOW ALOFT WITHIN 360 NM OF THE 
CENTER. THIS FLOW IS ENHANCING CONVECTION WITH SCATTERED TO 
NUMEROUS MODERATE TO STRONG CONVECTION WITHIN THE AREA FROM 10N 
TO 15N FROM 107W TO 110W.  THE LOW MAY DEVELOP INTO A TROPICAL 
CYCLONE WITHIN THE NEXT 24 TO 48 HOURS. MOTION IS EXPECTED TO BE 
SLOW TO STATIONARY.

...ITCZ...
INTERTROPICAL CONVERGENCE ZONE AXIS IS ALONG THE LINE...9N83W 
6N105W 9N125W 6N140W. SCATTERED MODERATE WITH ISOLATED STRONG 
CONVECTION IS WITHIN 75 NM OF THE POINT 12N90.5W AND 13.8N95W.
SCATTERED MODERATE TO STRONG CONVECTION IS WITHIN THE AREA FROM 
6.5N TO 9.5N FROM 105W TO 113W.

...DISCUSSION...
MIDDLE AND UPPER LEVEL TROUGH IS NORTH OF 20N EAST OF 122W.  
LITTLE WEATHER OR CLOUDS ARE ASSOCIATED WITH THIS SYSTEM. 
OVERCAST STRATOCUMULUS ARE OBSERVED IN THE LOWER LEVELS.

MIDDLE AND UPPER TROUGH IS ALSO WEST OF 130W AND NORTH OF THE 
LINE 25N130W TO 18N140W.  AGAIN LITTLE WEATHER OR CLOUDS ARE 
ASSOCIATED WITH THE SYSTEM.  OVERCAST TO BROKEN STRATOCUMULUS 
CLOUDS ARE IN THE LOWER LEVELS. 

ELSEWHERE WEST OF THE ABOVE SPECIAL FEATURE MIDDLE AND UPPER 
LEVEL ANTICYCLONIC CIRCULATION IS NOTED.

AN AREA OF MIDDLE AND UPPER LEVEL CYCLONIC FLOW IS JUST EAST OF 
THE DISTURBED AREA BETWEEN THE LINE FROM 16N95W 6N105W AND THE 
LINE 15N90W 5N100W.  EAST OF THIS AREA WEAK ANTICYCLONIC FLOW IS 
OBSERVED.  THE CYCLONIC FLOW AREA IS SOMEWHAT DISTURBED WITH 
CONVECTION AND MULTIPLE LEVEL CLOUDS OBSERVED.

WEAK SURFACE RIDGE IS NORTH OF 15N WEST OF 110W.  ELSEWHERE 
BESIDES THE LOW PRESSURE WEAK TROUGH IS ANALYZED.

$$
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