000
AXPZ20 KNHC 081008
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC WED SEP 08 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.

...ITCZ...

AXIS 10N86W TO 11N94W TO 10N105W TO 11N113W TO 10N122W TO 11N129W
TO 10N140W. SCATTERED MODERATE CONVECTION WITHIN 90 NM S OF AXIS 
BETWEEN 102W AND 107W.

...DISCUSSION...

ALOFT...
UPPER LEVEL RIDGE EXTENDS WEST FROM NORTH-CENTRAL MEXICO THROUGH 
AN ANTICYCLONE CENTERED NEAR 24N124W TO BEYOND 21N140W. MID-LAT 
TROUGH DIGGING SOUTH ALONG THE U.S. WEST COAST IS STRENGTHENING 
THE SUBTROPICAL JET SOUTH OF THE TROUGH BETWEEN 115W AND 133W. 
STRONG EAST WINDS CONTINUE SOUTH OF THE RIDGE AXIS EAST OF 125W 
AND FURTHER SOUTH OF 10N EAST OF 105W. A SMALL AREA OF WEAKER 
VERTICAL SHEAR IS EVIDENT SOUTH OF TEHUANTEPEC TO AROUND 10N.

SURFACE...
SCATTEROMETER DATA SHOWS ONLY AREA WITH 20 KT WINDS IS N OF 28N 
WEST OF BAJA CALIFORNIA. A SURFACE RIDGE EXTENDS SE ACROSS NW 
PART TO NEAR 23N123W. THE ORIENTATION AND LOCATION OF THE ITCZ 
IS EXPECTED TO VARY ONLY SLIGHTLY OVER THE NEXT 2-3 DAYS. NO 
TROPICAL WAVES ARE ANALYZED IN THE EAST PACIFIC...AND WAVE 
ACTIVITY IN THE WESTERN ATLANTIC AND CARIBBEAN IS BELOW NORMAL.

MARINE...
N SWELL GENERATED WEST OF CALIFORNIA IS EXPECTED TO CONTINUE AT 
8 FT OR MORE ANOTHER 24 HOURS OR SO IN NORTH-CENTRAL PART OF THE 
DISCUSSION AREA. MARINE CONDITIONS ELSEWHERE RELATIVELY BENIGN.

$$
MUNDELL