640  
WTPZ33 KNHC 251149  
TCPEP3  
 
BULLETIN  
HURRICANE OTIS INTERMEDIATE ADVISORY NUMBER 13A  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP182023  
700 AM CDT WED OCT 25 2023  
   
..STRONG WINDS CONTINUING TO SPREAD INLAND OVER SOUTHERN MEXICO
 
 
...HEAVY RAINFALL AND FLASH FLOODING OCCURRING OVER PORTIONS OF  
SOUTHERN MEXICO...  
 
 
SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION  
----------------------------------------------  
LOCATION...17.7N 100.3W  
ABOUT 60 MI...100 KM NNW OF ACAPULCO MEXICO  
MAXIMUM SUSTAINED WINDS...110 MPH...175 KM/H  
PRESENT MOVEMENT...NNW OR 345 DEGREES AT 10 MPH...17 KM/H  
MINIMUM CENTRAL PRESSURE...965 MB...28.50 INCHES  
 
 
WATCHES AND WARNINGS  
--------------------  
CHANGES WITH THIS ADVISORY:  
 
NONE.  
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:  
 
A HURRICANE WARNING IS IN EFFECT FOR...  
* PUNTA MALDONADO WESTWARD TO ZIHUATANEJO  
 
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED  
SOMEWHERE WITHIN THE WARNING AREA.  
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA, PLEASE MONITOR  
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.  
 
 
DISCUSSION AND OUTLOOK  
----------------------  
AT 700 AM CDT (1200 UTC), THE CENTER OF HURRICANE OTIS WAS LOCATED  
INLAND NEAR LATITUDE 17.7 NORTH, LONGITUDE 100.3 WEST. OTIS IS  
MOVING TOWARD THE NORTH-NORTHWEST NEAR 10 MPH (17 KM/H), AND THIS  
GENERAL MOTION IS EXPECTED THROUGH EARLY TONIGHT. ON THE FORECAST  
TRACK, THE CENTER OF OTIS WILL MOVE FARTHER INLAND OVER SOUTHERN  
MEXICO THROUGH TONIGHT.  
 
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 110 MPH (175 KM/H)  
WITH HIGHER GUSTS. CONTINUED RAPID WEAKENING IS EXPECTED WHILE OTIS  
MOVES FARTHER INLAND OVER THE HIGHER TERRAIN OF MEXICO. OTIS WILL  
LIKELY DISSIPATE OVER SOUTHERN MEXICO TONIGHT.  
 
HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 30 MILES (45 KM) FROM  
THE CENTER AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 70  
MILES (110 KM).  
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 965 MB (28.50 INCHES).  
 
 
HAZARDS AFFECTING LAND  
----------------------  
KEY MESSAGES FOR OTIS CAN BE FOUND IN THE TROPICAL CYCLONE  
DISCUSSION UNDER AWIPS HEADER MIATCDEP3 AND WMO HEADER WTPZ43 KNHC  
AND ON THE WEB AT HURRICANES.GOV/TEXT/MIATCDEP3.SHTML  
 
WIND: DAMAGING HURRICANE-FORCE WINDS WILL SPREAD INLAND OVER  
SOUTHERN MEXICO THIS MORNING WITH EXTREMELY DESTRUCTIVE  
WINDS NEAR THE CORE DURING THE NEXT FEW HOURS. WIND SPEEDS ATOP  
AND ON THE WINDWARD SIDES OF HILLS AND MOUNTAINS ARE OFTEN UP TO  
30 PERCENT STRONGER THAN THE NEAR-SURFACE WINDS INDICATED IN THIS  
ADVISORY, AND IN SOME ELEVATED LOCATIONS COULD BE EVEN GREATER.  
 
STORM SURGE: LIFE-THREATENING STORM SURGE WILL CONTINUE ALONG THE  
COAST OF SOUTHERN MEXICO THIS MORNING IN AREAS OF ONSHORE WINDS  
WITHIN THE HURRICANE WARNING AREA. NEAR THE COAST, THE SURGE WILL BE  
ACCOMPANIED BY LARGE AND DANGEROUS WAVES.  
 
RAINFALL: OTIS IS EXPECTED TO PRODUCE RAINFALL TOTALS OF 8 TO 16  
INCHES WITH MAXIMUM AMOUNTS OF 20 INCHES THROUGH THURSDAY ACROSS  
GUERRERO AND THE WESTERN COASTAL SECTIONS OF OAXACA. THIS RAINFALL  
WILL PRODUCE FLASH AND URBAN FLOODING, ALONG WITH MUDSLIDES IN AREAS  
OF HIGHER TERRAIN.  
 
SURF: SWELLS GENERATED BY OTIS WILL AFFECT PORTIONS OF THE SOUTHERN  
COAST OF MEXICO DURING THE NEXT DAY OR SO. THESE SWELLS ARE LIKELY  
TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE  
CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE.  
 
 
NEXT ADVISORY  
-------------  
NEXT COMPLETE ADVISORY AT 1000 AM CDT.  
 

 
FORECASTER PASCH  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TPC Page Main Text Page