000
AXPZ20 KNHC 140258
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SAT AUG 14 2010

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

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY
THROUGH 0245 UTC.

...THE ITCZ...

FROM 11N111W TO 10N117W TO 11N140W. NO SIGNIFICANT DEEP 
CONVECTIVE PRECIPITATION IS APPARENT.

...DISCUSSION...

AN UPPER LEVEL ANTICYCLONE IS CENTERED OVER BAJA CALIFORNIA NEAR 
30N114W WITH RIDGE EXTENDING SW TO NEAR 21N133W. TROUGHING IS W 
AND NW OF THIS RIDGE WITH NO SIGNIFICANT CONVECTION. 

ANOTHER ANTICYCLONE IS CENTERED SE OF THE PREVIOUSLY MENTIONED 
ANTICYCLONE CENTERED NEAR 19N100W WITH RIDGE EXTENDING SW TO 
09N115W. AN INVERTED TROUGH LIES BETWEEN THESE TWO ANTICYCLONIC 
CIRCULATIONS. 

AT THE SURFACE...A 1007 MB LOW PRESSURE CENTER IS NEAR 
16N110W...FORECAST TO BE NEARLY STATIONARY IN MOVEMENT DURING 
THE NEXT 24 HOURS. SCATTERED MODERATE TO ISOLATED STRONG 
CONVECTION IS WITHIN 240 NM W OF LOW. THE SW FLOW S OF THE LOW 
IS REACHING 20 KT...AND IS ADVECTING MOISTURE NORTHEASTWARD 
RESULTING IN SCATTERED MODERATE TO ISOLATED STRONG CONVECTION 
FROM 09N TO 16N BETWEEN 96W AND 108W. THESE WINDS WILL CONTINUE 
OVER THE NEXT 48 HOURS...AND WILL HELP TO KEEP SEAS IN THE 8 TO 
10 FT RANGE IN SOUTHWESTERLY SWELL THROUGH THIS PERIOD.

A SURFACE RIDGE RUNS FROM 23N115W BEYOND 29N140W. THE PRESSURE 
GRADIENT BETWEEN THE RIDGE AND A TROUGH OVER WESTERN MEXICO IS 
PRODUCING NORTHERLY TO NORTHWESTERLY WINDS TO 20 KT NEAR THE 
WESTERN COAST OF BAJA CALIFORNIA TO THE NORTH OF 26N. 

$$
AL