000
AXPZ20 KNHC 100321
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC MON MAR 10 2008

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 
0300 UTC.

...ITCZ...

ITCZ AXIS IS ALONG THE LINE...2N78W 2N110W 6N125W 5N140W. 
SCATTERED MODERATE CONVECTION IS WITHIN THE AREA FROM 2N TO 6N 
BETWEEN 113W AND 121W. 

...DISCUSSION...
UPPER LEVELS...
THERE ARE TWO DEEP LAYER TROUGHS WITHIN THE AREA. ONE IS NORTH 
OF 10N E OF 115W AND EXTENDS EAST TO THE LINE FROM THE ITCZ NEAR 
115W TO 21N100W TO 25N95W. THE AREA IS DRY AND CLOUD FREE IN THE 
MIDDLE AND UPPER LEVELS WITH ONLY SCATTERED LOW CLOUDS SOUTH OF 
17N. THERE IS AN AREA OF MIDDLE AND UPPER LEVEL MOISTURE WITH 
MULTI LEVEL CLOUDS EXTENDING 300 NM SOUTHEAST OF THE TROUGH AND 
IS ADVECTING OVER MEXICO JUST SOUTHEAST OF MEXICO CITY. THIS 
TROUGH IS EXPECTED TO REMAIN IN PLACE THROUGH 48 HOURS.

ANOTHER TROUGH IS NORTH OF 16N WEST OF 135W. MULTI LEVEL BROKEN 
TO OVERCAST CLOUDS ARE IN THIS AREA FROM 20N TO 28N. THIS TROUGH 
IS FORECAST TO DRIFT SOUTH AND WEAKEN SLIGHTLY.

REMAINDER OF THE AREA IS COVERED BY WEAK ANTICYCLONIC FLOW.

SURFACE...
WEAK RIDGE IS NORTH OF 10N WEST OF 115W. WEAK TROUGH ALONG LINE 
3N116W 9N113W IS NEARLY STATIONARY. ELSEWHERE BROAD TROUGH IS 
ANALYZED.

FRESH TRADE WIND FLOW OVER THE CARIBBEAN IS PROVOKING GAP WINDS 
THROUGH THE GULF OF PAPAGAYO AREA OF 20 KNOTS. THIS WILL 
CONTINUE THROUGH 48 HOURS.

$$
LL