000
AXPZ20 KNHC 081535
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC FRI MAR 08 2013

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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ 1N91W 2N95W TO 1N101W. SCATTERED MODERATE TO STRONG 
CONVECTION FROM 7N-13N BETWEEN 124W-140W.

...DISCUSSION...
AN UPPER LEVEL TROUGH OVER THE NW PORTION OF THE DISCUSSION AREA 
WITH AXIS FROM 26N135W TO 20N140W. AN UPPER LEVEL RIDGE IS 
BUILDING NW OF THE TROUGH. UPPER LEVEL DIFFLUENCE BETWEEN THE 
TROUGH AND AN ANTICYCLONIC CIRCULATION ALONG 5N BETWEEN 
110W-120W IS ENHANCING CONVECTION FROM 7N-13N BETWEEN 124W-140W.
STRONG DEEP LAYER TROUGH EXTENDS FROM A CYCLONIC CIRCULATION 
NEAR 31N122W TO 28N120W. A 95-115 KT JETSTREAM FROM 20N135W TO 
SOUTHERN BAJA CALIFORNIA INTO NORTHERN MEXICO.

SURFACE HIGH PRES RIDGE IS N OF 15N W OF 115W. LARGE NW SWELL TO 
10 FT CONTINUE ACROSS THE AREA W OF 115W.

ELY WINDS 20-30 KT THROUGH THE GULF OF PAPAGAYO WILL DECREASE 
SLIGHTLY TO 20-25 KT SAT. NLY WINDS 20-25 KT THROUGH THE GULF OF 
TEHUANTEPEC WILL DECREASE TO LESS THE 20 KT THIS EVENING.

$$
DGS