000
AXPZ20 KNHC 050351
TWDEP 

TROPICAL WEATHER DISCUSSION  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SUN MAR 05 2006

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W. THE FOLLOWING INFORMATION IS 
BASED ON SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...AND 
METEOROLOGICAL ANALYSIS.

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0345 UTC.

...ITCZ...
ITCZ AXIS ALONG 3N. SCATTERED MODERATE CONVECTION WITHIN 15 NM 
OF 5N86W AND 4N117W AND 4.5N123W AND 4N133W.

...DISCUSSION...
A LONGWAVE TROUGH DOMINATES THE E PACIFIC WITH AN EMBEDDED  
VERTICALLY STACKED CYCLONE CENTERED NEAR 44N135W WITH A MEAN 
TROUGH AXIS EXTENDING S INTO THE DISCUSSION AREA ALONG 32N131W 
TO A BASE NEAR 4N122W. THE TROUGH IS SANDWICHED BETWEEN TWO 
SHORTWAVE RIDGES. THE WESTERN RIDGE IS OVER HAWAII CRESTING NEAR 
33N162W. DEBRIS MOISTURE ORIGINATING FROM CONVECTION IN THE 
CENTRAL PACIFIC IS SPILLING E OVER THE RIDGE TURNING 
CYCLONICALLY E WITHIN 330 NM EITHER SIDE OF LINE 23N140W 23N129W 
TO 27N117W WHERE IT NARROWS AS IT CONTINUES CYCLONICALLY NE TO 
BEYOND 32N107W. OTHERWISE DRY UPPER AIR IS INDICATED OVER THE 
REMAINDER OF THE DISCUSSION AREA. 

THE EASTERN RIDGE EXTENDS NNW FROM AN ANTICYCLONE OVER VENEZUELA 
NEAR 9N62W ACROSS THE MISSISSIPPI DELTA BECOMING PART OF A LONG 
WAVE RIDGE THAT DOMINATES CENTRAL N AMERICA ALONG 96W. 

GAP WINDS...LATEST QSCAT PASS SHOWS NLY 25 KT IN AND S OF THE 
GULF OF TEHUANTEPEC. STILL EXPECT WINDS 25-35 KT INTO SUN AND 
DECREASING BELOW GALE IN 24 HOURS. NLY WINDS IN THE GULF OF 
PAPAGAYO AT 15 TO 20 KT AND EXPECT TO INCREASE TO 20-25 KT. N 
WINDS WILL INCREASE TO 20 TO 25 KT IN GULF OF PANAMA WITH MODELS 
HINTING AT MAX OF 30 KT.

$$
NELSON