008  
WTPZ32 KNHC 191156  
TCPEP2  
 
BULLETIN  
HURRICANE NORMA INTERMEDIATE ADVISORY NUMBER 7A  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP172023  
600 AM MDT THU OCT 19 2023  
   
..MAJOR HURRICANE NORMA MOVING NORTHWARD
 
 
...HEAVY RAINFALL AND FLOODING EXPECTED ACROSS SOUTHERN PORTIONS  
OF BAJA CALIFORNIA SUR THROUGH THE WEEKEND...  
 
 
SUMMARY OF 600 AM MDT...1200 UTC...INFORMATION  
----------------------------------------------  
LOCATION...17.0N 107.5W  
ABOUT 255 MI...410 KM WSW OF MANZANILLO MEXICO  
ABOUT 430 MI...690 KM SSE OF CABO SAN LUCAS MEXICO  
MAXIMUM SUSTAINED WINDS...125 MPH...205 KM/H  
PRESENT MOVEMENT...N OR 360 DEGREES AT 6 MPH...9 KM/H  
MINIMUM CENTRAL PRESSURE...950 MB...28.05 INCHES  
 
 
WATCHES AND WARNINGS  
--------------------  
CHANGES WITH THIS ADVISORY:  
 
NONE.  
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:  
 
A HURRICANE WATCH IS IN EFFECT FOR...  
* BAJA CALIFORNIA PENINSULA FROM TODOS SANTOS TO LOS BARRILES  
 
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE  
WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS BEFORE  
THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS,  
CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS.  
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA, PLEASE MONITOR PRODUCTS  
ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.  
 
 
DISCUSSION AND OUTLOOK  
----------------------  
AT 600 AM MDT (1200 UTC), THE CENTER OF HURRICANE NORMA WAS LOCATED  
NEAR LATITUDE 17.0 NORTH, LONGITUDE 107.5 WEST. NORMA IS MOVING  
TOWARD THE NORTH NEAR 6 MPH (9 KM/H). A NORTHWARD TO  
NORTH-NORTHWESTWARD MOTION AT A SIMILAR FORWARD SPEED IS EXPECTED  
FOR THE NEXT COUPLE OF DAYS. A SLOWER MOTION IS FORECAST BY THE  
WEEKEND. ON THE FORECAST TRACK, NORMA IS FORECAST TO APPROACH THE  
SOUTHERN PORTION OF BAJA CALIFORNIA ON SATURDAY.  
 
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 125 MPH (205 KM/H)  
WITH HIGHER GUSTS. NORMA IS A CATEGORY 3 HURRICANE ON THE  
SAFFIR-SIMPSON HURRICANE WIND SCALE. ADDITIONAL STRENGTHENING IS  
POSSIBLE TODAY, FOLLOWED BY GRADUAL WEAKENING BEGINNING FRIDAY AND  
CONTINUING INTO THE WEEKEND.  
 
HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 25 MILES (35 KM) FROM  
THE CENTER AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 150  
MILES (240 KM).  
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 950 MB (28.05 INCHES).  
 
 
HAZARDS AFFECTING LAND  
----------------------  
KEY MESSAGES FOR NORMA CAN BE FOUND IN THE TROPICAL CYCLONE  
DISCUSSION UNDER AWIPS HEADER MIATCDEP2 AND WMO HEADER WTPZ42 KNHC  
AND ON THE WEB AT HURRICANES.GOV/TEXT/MIATCDEP2.SHTML  
 
WIND: HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA AS  
EARLY AS SATURDAY MORNING.  
 
RAINFALL: NORMA IS EXPECTED TO PRODUCE RAINFALL TOTALS OF 5 TO 10  
INCHES WITH LOCAL MAXIMA OF 15 INCHES THROUGH SUNDAY ACROSS THE FAR  
SOUTHERN PORTION OF THE MEXICAN STATE OF BAJA CALIFORNIA SUR.  
THESE RAINS WILL LIKELY PRODUCE FLASH AND URBAN FLOODING, ALONG  
WITH POSSIBLE MUDSLIDES IN AREAS OF HIGH TERRAIN.  
 
SURF: SWELLS GENERATED BY NORMA ARE AFFECTING PORTIONS OF THE COAST  
OF SOUTHWESTERN MEXICO, AND WILL SPREAD NORTHWARD ALONG THE COAST OF  
WESTERN MEXICO AND TOWARD BAJA CALIFORNIA SUR DURING THE NEXT COUPLE  
OF DAYS. 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 900 AM MDT.  
 

 
FORECASTER REINHART  
 
 
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