102  
WTPZ34 KNHC 300831  
TCPEP4  
 
BULLETIN  
TROPICAL STORM PILAR ADVISORY NUMBER 7  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP192023  
400 AM CDT MON OCT 30 2023  
 
...PILAR EXPECTED TO PRODUCE HEAVY RAINFALL AND FLASH FLOODING  
IN PORTIONS OF CENTRAL AMERICA DURING THE NEXT FEW DAYS...  
 
 
SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION  
----------------------------------------------  
LOCATION...11.0N 91.8W  
ABOUT 255 MI...410 KM SW OF SAN SALVADOR EL SALVADOR  
ABOUT 380 MI...610 KM W OF MANAGUA NICARAGUA  
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H  
PRESENT MOVEMENT...ENE OR 70 DEGREES AT 3 MPH...6 KM/H  
MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES  
 
 
WATCHES AND WARNINGS  
--------------------  
CHANGES WITH THIS ADVISORY:  
 
NONE.  
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:  
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...  
* ENTIRE COAST OF EL SALVADOR  
* PACIFIC COAST OF HONDURAS INCLUDING THE GULF OF FONSECA  
* HONDURAS/NICARAGUA BORDER SOUTHWARD TO PUERTO SANDINO.  
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE  
POSSIBLE WITHIN THE WATCH AREA, GENERALLY WITHIN 48 HOURS.  
 
INTERESTS ELSEWHERE ALONG THE PACIFIC COAST OF NICARAGUA  
AND IN SOUTHERN GUATEMALA SHOULD MONITOR THE PROGRESS OF THIS  
SYSTEM.  
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA, PLEASE MONITOR  
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.  
 
 
DISCUSSION AND OUTLOOK  
----------------------  
AT 400 AM CDT (0900 UTC), THE CENTER OF TROPICAL STORM PILAR WAS  
LOCATED NEAR LATITUDE 11.0 NORTH, LONGITUDE 91.8 WEST. PILAR IS  
MOVING TOWARD THE EAST-NORTHEAST NEAR 3 MPH (6 KM/H) AND A  
CONTINUED SLOW EAST-NORTHEASTWARD MOTION IS EXPECTED DURING THE  
NEXT DAY OR TWO. ON THE FORECAST TRACK, PILAR COULD BE NEAR THE  
COAST OF EL SALVADOR TUESDAY THROUGH EARLY WEDNESDAY, THOUGH THE  
CORE OF THE SYSTEM IS EXPECTED TO REMAIN OFFSHORE.  
 
MAXIMUM SUSTAINED WINDS ARE NEAR 40 MPH (65 KM/H) WITH HIGHER GUSTS.  
STRENGTHENING IS EXPECTED DURING THE NEXT DAY OR SO, AND PILAR  
COULD BE NEAR HURRICANE STRENGTH ON TUESDAY. WEAKENING IS EXPECTED  
TO BEGIN BY WEDNESDAY.  
 
TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 35 MILES (55 KM)  
FROM THE CENTER.  
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1003 MB (29.62 INCHES).  
 
 
HAZARDS AFFECTING LAND  
----------------------  
KEY MESSAGES FOR PILAR CAN BE FOUND IN THE TROPICAL CYCLONE  
DISCUSSION UNDER AWIPS HEADER MIATCDEP4 AND WMO HEADER WTPZ44 KNHC  
AND ON THE WEB AT HURRICANES.GOV/TEXT/MIATCDEP4.SHTML  
 
RAINFALL: PILAR IS EXPECTED TO PRODUCE STORM TOTAL RAINFALL OF 5 TO  
10 INCHES, WITH LOCAL AMOUNTS TO 15 INCHES, IN AND NEAR THE PACIFIC  
COAST OF CENTRAL AMERICA FROM EL SALVADOR SOUTHWARD TO COSTA RICA  
THROUGH WEDNESDAY. THIS RAINFALL WILL PRODUCE FLASH AND URBAN  
FLOODING, ALONG WITH MUDSLIDES IN AREAS OF HIGHER TERRAIN.  
 
SURF: SWELLS GENERATED BY PILAR ARE EXPECTED TO REACH PORTIONS OF  
THE PACIFIC COAST OF CENTRAL AMERICA LATER TODAY. THESE SWELLS ARE  
LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS.  
PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE.  
 
WIND: TROPICAL STORM CONDITIONS COULD BEGIN IN THE TROPICAL  
STORM WATCH AREA EARLY TUESDAY.  
 
 
NEXT ADVISORY  
-------------  
NEXT INTERMEDIATE ADVISORY AT 700 AM CDT.  
NEXT COMPLETE ADVISORY AT 1000 AM CDT.  
 

 
FORECASTER CANGIALOSI  
 
 
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