000
AXPZ20 KNHC 202122
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC SAT MAR 20 2010

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

BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2100 UTC.

...ITCZ...

AXIS ALONG 04N77W TO 06N95W TO 03N110W TO 04N130W TO 02N140W. 
SCATTERED MODERATE ISOLATED STRONG CONVECTION IS LOCATED FROM 
01.5N TO 04N BETWEEN 96W AND 100W AND WITHIN A 90 NM RADIUS OF 
06N107W.

...DISCUSSION...

W OF 110W...
STRONG SOUTHWESTERLY WINDS ALOFT ARE LOCATED N OF ABOUT 18N W OF 
130W IN ADVANCE OF A MIDDLE/UPPER LEVEL TROUGH WITH THE AXIS 
LOCATED W OF THE DISCUSSION AREA ALONG 148W. SATELLITE CLOUD 
DRIFT WINDS REVEAL 70 TO 80 KNOT WINDS IN THIS BAND. THE TROUGH 
WILL MOVE TO ALONG 140W IN 18 TO 24 HOURS AND MOVE RAPIDLY E. 
BROAD MIDDLE/UPPER LEVEL RIDGE IS LOCATED DOWNSTREAM N OF 20N E 
OF 130W TO NEAR BAJA CALIFORNIA WITH THE AXIS LOCATED ALONG 
123W. FURTHER TO THE S...SOUTHWESTERLY TO WESTERLY MODERATE 
WINDS ALOFT...35 TO 45 KNOTS...ARE LOCATED FROM ABOUT 10N TO 
18N. 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 POSITIONED E OF THE FRONT 
NEAR 31.5N127.5W. SURFACE TROUGHS ARE LOCATED ALONG 124W AND 
130W S OF 10N. SEAS ARE HIGHEST...TO 12 FEET...BEHIND THE 
STATIONARY FRONT AND ALSO IN THE AREA S OF 10N W OF 105W IN 
PRIMARILY NW SWELL.  

E OF 110W...
MODERATE WESTERLY WINDS ALOFT ARE LOCATED N OF 12N E OF 110W 
BECOMING EASTERLY TO SOUTHEASTERLY S OF ABOUT 10N TO THE 
EQUATOR. A GALE WARNING IN THE GULF OF TEHUANTEPEC IS FORECAST 
TO BEGIN IN 24 HOURS.

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

$$
CAB