000
AXPZ20 KNHC 210407
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SUN MAR 21 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 
0300 UTC.

...ITCZ...

AXIS ALONG 03N77W TO 06N95W TO 03N110W TO 04N129W TO 02N140W. 
SCATTERED MODERATE ISOLATED STRONG CONVECTION IS LOCATED WITHIN 
90 NM EITHER SIDE OF A LINE FROM 01N98W TO 05N103W AND WITHIN 90 
NM EITHER SIDE OF A LINE FROM 06.5N105.5W TO 03.5N109W. 

...DISCUSSION...

W OF 110W...
STRONG SOUTHWESTERLY WINDS ALOFT ARE LOCATED N OF ABOUT 16N W OF 
128W IN ADVANCE OF A MIDDLE/UPPER LEVEL TROUGH WITH THE AXIS 
LOCATED W OF THE DISCUSSION AREA ALONG 145W. SATELLITE CLOUD 
DRIFT WINDS REVEAL 80 TO 90 KNOT WINDS IN THIS BAND. THE TROUGH 
WILL MOVE TO ALONG 140W IN 12 TO 18 HOURS AND MOVE RAPIDLY E. 
BROAD MIDDLE/UPPER LEVEL RIDGE IS LOCATED DOWNSTREAM N OF 20N E 
OF 128W TO NEAR BAJA CALIFORNIA WITH THE AXIS LOCATED ALONG 
122W. FURTHER TO THE S...SOUTHWESTERLY TO WESTERLY MODERATE 
WINDS ALOFT...35 TO 45 KNOTS...ARE LOCATED FROM ABOUT 10N TO 16N 
W OF 110W. LIGHT TO OCCASIONAL MODERATE EASTERLY WINDS ALOFT ARE 
LOCATED OVER THE DEEP TROPICS. AT THE SURFACE A STATIONARY FRONT 
IS LOCATED THROUGH 32N133W TO 27N140W WITH N TO NE WINDS 20 KT 
BEHIND THE FRONT. A 1023 MB HIGH IS LOCATED AHEAD OF THE FRONT 
NEAR 33N124W.  SURFACE TROUGH IS LOCATED ALONG 132W S OF 09N. 
SEAS ARE HIGHEST...TO 12 FEET...BEHIND STATIONARY FRONT AND TO 
11 FEET IN THE AREA S OF 10N W OF 105W IN PRIMARILY NW SWELL.  

E OF 110W...
MODERATE WESTERLY WINDS ALOFT N OF 10N E OF 110W BECOMING 
EASTERLY TO SOUTHEASTERLY S OF 10N TO THE EQUATOR. GALE WARNING 
IN THE GULF OF TEHUANTEPEC IS FORECAST TO BEGIN IN 18 HRS.

FOR ADDITIONAL INFORMATION PLEASE VISIT 
HTTP://WWW.HURRICANES.GOV/MARINE

$$
CAB