004  
WTPZ32 KNHC 041742  
TCPEP2  
 
BULLETIN  
TROPICAL STORM LORENA INTERMEDIATE ADVISORY NUMBER 11A  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP122025  
1100 AM MST THU SEP 04 2025  
 
...RISK OF LIFE-THREATENING FLASH FLOODING CONTINUES FOR BAJA  
CALIFORNIA SUR AND SOUTHWESTERN SONORA...  
 
 
SUMMARY OF 1100 AM MST...1800 UTC...INFORMATION  
-----------------------------------------------  
LOCATION...24.4N 114.5W  
ABOUT 140 MI...225 KM W OF CABO SAN LAZARO MEXICO  
MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H  
PRESENT MOVEMENT...NW OR 310 DEGREES AT 7 MPH...11 KM/H  
MINIMUM CENTRAL PRESSURE...997 MB...29.44 INCHES  
 
 
WATCHES AND WARNINGS  
--------------------  
CHANGES WITH THIS ADVISORY:  
 
NONE.  
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:  
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...  
* WEST COAST OF BAJA CALIFORNIA SUR FROM PUERTO CORTES TO PUNTA  
EUGENIA  
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE  
EXPECTED SOMEWHERE WITHIN THE WARNING AREA.  
 
INTERESTS ELSEWHERE ON THE BAJA CALIFORNIA PENINSULA AND IN  
NORTHWESTERN MEXICO SHOULD MONITOR THE PROGRESS OF LORENA.  
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA, PLEASE MONITOR  
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.  
 
 
DISCUSSION AND OUTLOOK  
----------------------  
AT 1100 AM MST (1800 UTC), THE CENTER OF TROPICAL STORM LORENA WAS  
LOCATED NEAR LATITUDE 24.4 NORTH, LONGITUDE 114.5 WEST. LORENA IS  
MOVING TOWARD THE NORTHWEST NEAR 7 MPH (11 KM/H). A TURN TOWARD THE  
NORTH AND A DECREASE IN FORWARD SPEED IS EXPECTED TONIGHT. ON THE  
FORECAST TRACK, THE CENTER OF LORENA IS EXPECTED TO MOVE GENERALLY  
PARALLEL TO THE WEST COAST OF THE BAJA CALIFORNIA PENINSULA THROUGH  
TONIGHT, AND COULD MOVE CLOSER TO THE WEST-CENTRAL COAST OF THE  
BAJA CALIFORNIA PENINSULA WHILE IT WEAKENS ON FRIDAY.  
 
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 60 MPH (95 KM/H)  
WITH HIGHER GUSTS. LORENA IS EXPECTED TO QUICKLY WEAKEN FOR THE NEXT  
COUPLE OF DAYS, AND IT IS FORECAST TO DEGENERATE INTO A REMNANT LOW  
NEAR OR TO THE WEST OF THE BAJA CALIFORNIA PENINSULA BY FRIDAY  
NIGHT.  
 
TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 70 MILES (110 KM)  
FROM THE CENTER.  
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 997 MB (29.44 INCHES).  
 
 
HAZARDS AFFECTING LAND  
----------------------  
KEY MESSAGES FOR LORENA CAN BE FOUND IN THE TROPICAL CYCLONE  
DISCUSSION UNDER AWIPS HEADER MIATCDEP2 AND WMO HEADER WTPZ42 KNHC.  
 
RAINFALL: BANDS OF HEAVY RAINFALL WILL CONTINUE TO IMPACT BAJA  
CALIFORNIA SUR AND SONORA MEXICO THROUGH FRIDAY. ADDITIONAL RAINFALL  
TOTALS OF 4 TO 8 INCHES, WITH MAXIMUM STORM TOTAL AMOUNTS OF 15  
INCHES, ARE POSSIBLE ACROSS PORTIONS OF BAJA CALIFORNIA SUR, FAR  
SOUTHEAST BAJA CALIFORNIA AND SOUTHWESTERN SONORA INTO FRIDAY. THIS  
WILL BRING THE RISK OF LIFE-THREATENING FLASH FLOODS AND MUDSLIDES,  
ESPECIALLY IN AREAS OF HIGHER TERRAIN.  
 
ELSEWHERE ACROSS MEXICO, 2 TO 4 INCHES OF RAIN, WITH ISOLATED TOTALS  
UP TO 6 INCHES, ARE EXPECTED ACROSS THE REMAINDER OF SONORA AND  
NORTHERN SINALOA. THESE AMOUNTS WILL LEAD TO ISOLATED TO SCATTERED  
INSTANCES OF FLASH FLOODING.  
 
ACROSS THE SOUTHWESTERN UNITED STATES, 1 TO 3 INCHES OF RAIN, WITH  
ISOLATED TOTALS UP TO 5 INCHES, ARE EXPECTED ACROSS PORTIONS OF  
ARIZONA AND NEW MEXICO THROUGH SATURDAY, BRINGING THE POTENTIAL FOR  
ISOLATED TO SCATTERED FLASH FLOODING.  
 
FOR A COMPLETE DEPICTION OF FORECAST RAINFALL AND FLASH FLOODING  
ASSOCIATED WITH HURRICANE LORENA, PLEASE SEE THE NATIONAL WEATHER  
SERVICE STORM TOTAL RAINFALL GRAPHIC, AVAILABLE AT  
HURRICANES.GOV/GRAPHICS_EP2.SHTML?RAINQPF  
 
WIND: TROPICAL STORM CONDITIONS, MAINLY IN GUSTS, ARE EXPECTED  
SOMEWHERE WITHIN THE WARNING AREA IN BAJA CALIFORNIA SUR TODAY  
THROUGH FRIDAY.  
 
SURF: SWELLS GENERATED BY LORENA WILL CONTINUE AFFECTING PORTIONS  
OF THE SOUTH AND WEST COASTS OF BAJA CALIFORNIA SUR THROUGH FRIDAY.  
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 200 PM MST.  
 
 
FORECASTER HAGEN  
 
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