000
AXPZ20 KNHC 051507
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL                           
1605 UTC MON AUG 05 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.

...SPECIAL FEATURES...                                     
TROPICAL STORM HENRIETTE WAS CENTERED NEAR 12.1N 128.2W AT 1500 
UTC WITH ESTIMATED MINIMUM CENTRAL PRES 1002 MB AND MAXIMUM 
SUSTAINED WIND 50 GUSTS TO 60 KT MOVING W OR 275 DEGREES AT 5 
KT. NUMEROUS MODERATE TO STRONG CONVECTION WAS NOTED WITHIN 120 
NM E AND 50 NM W SEMICIRCLES. HENRIETTE IS FORECAST TO INTENSIFY 
TO A HURRICANE TUE AS THE SYSTEM MOVES W OVER WARM SEA SURFACE 
TEMPERATURES AND A FAVORABLE UPPER ENVIRONMENT. SEE LATEST NHC 
FORECAST/ADVISORY UNDER AWIPS/WMO HEADERS MIATCMEP3/WTNT23 KNHC 
FOR ADDITIONAL DETAILS.

TROPICAL DEPRESSION GIL WAS CENTERED NEAR 13.4N 138.6W AT 1500 
UTC WITH ESTIMATED MINIMUM CENTRAL PRES 1007 MB AND MAXIMUM 
SUSTAINED WIND 25 GUSTS TO 35 KT MOVING WSW OR 250 DEGREES AT 7 
KT. SCATTERED MODERATE TO STRONG CONVECTION WAS NOTED WITHIN 30 
NM OF THE CENTER OF THE SYSTEM. GIL IS FORECAST TO SHIFT W OF 
THE AREA BY TUE MORNING...AND WEAKEN TO A REMNANT LOW BY TUE 
NIGHT AS THE SYSTEM CONTINUES ON A WESTWARD TRACK. SEE LATEST 
NHC FORECAST/ ADVISORY UNDER AWIPS/WMO HEADERS MIATCMEP2/WTNT22 
KNHC FOR ADDITIONAL DETAILS. 

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...           
THE MONSOON TROUGH EXTENDS FROM 09N83W TO 08N90W TO 10N100W TO 
10N108W TO 13N115W. SCATTERED MODERATE ISOLATED STRONG 
CONVECTION WAS NOTED WITHIN 90 NM OF AXIS E OF 90W. SCATTERED 
MODERATE ISOLATED STRONG CONVECTION WAS NOTED WITHIN 120 NM OF 
AXIS BETWEEN 100W AND 110W. SCATTERED MODERATE ISOLATED STRONG 
CONVECTION WAS NOTED WITHIN 120 NM S OF AXIS BETWEEN 115W AND 
120W.

...DISCUSSION... 

HIGH PRESSURE IS CENTERED NW OF THE AREA NEAR 36N142W WITH RIDGE 
EXTENDING SE INTO THE AREA EXTENDING TO NEAR 23N116W. THE 
MONSOON TROUGH BREAKDOWN OVER THE WESTERN HALF OF THE FORECAST 
AREA REMAINS EVIDENT WITH TROPICAL DEPRESSION GIL AND TROPICAL 
STORM HENRIETTE DISCUSSED ABOVE. THOSE SYSTEMS WILL BE THE MAJOR 
PLAYERS IN THE FORECAST OVER THE NEXT COUPLE OF DAYS AS WINDS 
AND SEAS ELSEWHERE OVER THE AREA WILL REMAIN BELOW ADVISORY 
CRITERIA.

$$
AL