000
AXPZ20 KNHC 111512
TWDEP 

TWDEP 

TROPICAL WEATHER DISCUSSION                                      
NWS NATIONAL HURRICANE CENTER MIAMI FL                           
1605 UTC THU JUL 11 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...   
     
MONSOON TROUGH AXIS EXTENDS FROM 09N78W TO 10N95W TO 09N115W. 
ITCZ EXTENDS FROM 09N115W TO 06N130W TO 07N140W. SCATTERED 
MODERATE ISOLATED STRONG CONVECTION IS LOCATED N OF 06N INTO 
CENTRAL AMERICA E OF 81W...IN THE AREA BOUNDED BY 14N93W TO 
10N86W TO 06N84W TO 05N91W TO 14N93W...WITHIN A 90 NM RADIUS OF 
13.5N97W...AND FROM 07N TO 10N BETWEEN 99W AND 106W.  

...DISCUSSION... 

A LARGE MIDDLE/UPPER LEVEL TROUGH COVERS THE NORTH PART OF THE 
DISCUSSION AREA NORTH OF 25N BETWEEN 125W TO BEYOND 140W. THE 
TROUGH AXIS IS LOCATED ALONG 130W AND IS FORECAST TO MOVE LITTLE 
OVER THE NEXT TWO DAYS. AT THE SURFACE A TROUGH IS LOCATED ALONG 
118W N OF 22N. A WEAK ANTICYCLONIC CIRCULATION ALOFT IS 
POSITIONED OFF SOUTHERN BAJA CALIFORNIA NEAR 21N116W. WATER 
VAPOR IMAGERY INDICATES A VAST AREA OF SUBSIDENCE N OF 18N W OF 
115W. OVER THE DEEP TROPICS WEAK TO MODERATE EASTERLY WINDS 
ALOFT ARE LOCATED FROM 05N TO 16N W OF 115W. MODERATE 
NORTHEASTERLY WINDS ALOFT ARE LOCATED S OF 10N TO THE EQUATOR E 
OF 100W INTO SOUTH AMERICA. IN THE AREA S OF 12N TO THE EQUATOR 
BETWEEN 95W AND 115W WINDS ARE LESS THAN 20 KT WITH SEAS 8 FT IN 
S TO SW SWELL.

$$ 
CAB