000
AXPZ20 KNHC 190916
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL                           
1005 UTC FRI JUL 19 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.

...TROPICAL WAVES...                                            
A TROPICAL WAVE EXTENDS FROM 18N110W TO 10N113W MOVING W 
ABOUT 10 KT. ISOLATED SHOWERS ARE WITHIN 100 NM OF THE
WAVE. 

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...        
MONSOON TROUGH 8N83W TO 10N105W TO 13N115W TO 9N113W. ITCZ FROM 
9N113W TO 8N140W. SCATTERED MODERATE ISOLATED STRONG FROM 4N-16N
BETWEEN 115W-126W.

...DISCUSSION...                                               
WEAK UPPER LEVEL TROUGH OVER THE NW PORTION OF THE DISCUSSION 
AREA EXTENDS FROM 27N133W TO 17N128W. EXCEPT FOR SOME HIGH LEVEL 
MOISTURE FROM 22N-28N W OF 136W MODERATE TO STRONG SUBSIDENCE 
WITH DRY/STABLE AIR AT THE MIDDLE AND UPPER LEVELS IS N OF 15N W 
OF 120W. DOWNSTREAM UPPER LEVEL RIDGE EXTENDS FROM AN 
ANTICYCLONIC CIRCULATION OFF THE CENTRAL COAST OF BAJA 
CALIFORNIA NEAR 28N117W SW TO 13N127W. AN UPPER LEVEL CYCLONIC 
CIRCULATION OVER NW MEXICO NEAR 29N115W. ABUNDANT DEEP LEVEL 
TROPICAL MOISTURE COVERS ALL OF MEXICO A S INTO CENTRAL AMERICA.

SURFACE RIDGE COVERS THE AREA N OF 18N W OF 120W. ELY 20 KT 
WINDS ALONG THE SOUTHERN PERIPHERY OF THE RIDGE FROM 15N-19N W 
OF 135W...WITH SEAS 8-9 FT IN MIXED SW AND NE SWELL. WINDS WILL 
DECREASE TO LESS THAN 20 KT AND SEAS LESS THAN 8 FT TONIGHT.

AN AREA OF CROSS EQUATORIAL SW SWELL IS S OF 5N BETWEEN 105W-120W.
THE SWELL IS FORECAST TO SUBSIDED TO LESS THAN 8 FT TONIGHT.

$$ 
DGS