974  
WTPZ41 KNHC 020835  
TCDEP1  
 
HURRICANE FLOSSIE DISCUSSION NUMBER 13  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP062025  
200 AM MST WED JUL 02 2025  
 
FLOSSIE REMAINS AN IMPRESSIVE HURRICANE EARLY THIS MORNING, ALTHOUGH  
THE WELL-DEFINED EYE EVIDENT EARLIER TONIGHT HAS BECOME LESS  
DISTINCT AND SOMEWHAT CLOUD FILLED IN RECENT SATELLITE IMAGES. THE  
LATEST SUBJECTIVE DVORAK INTENSITY ESTIMATES WERE T5.5/102 KNOTS  
FROM TAFB AND T5.0/90 KNOTS FROM SAB. MEANWHILE, THE OBJECTIVE  
INTENSITY ESTIMATES RANGED FROM 96 TO 107 KNOTS AT 06Z. BASED ON A  
BLEND OF THESE DATA, THE INITIAL INTENSITY WILL BE HELD AT 100 KNOTS  
FOR THIS ADVISORY.  
 
FLOSSIE IS HEADING TOWARD THE WEST-NORTHWEST OR 300/9 KNOTS. THIS  
GENERAL MOTION IS EXPECTED TO CONTINUE DURING THE NEXT SEVERAL DAYS  
AS THE CYCLONE IS STEERED INTO A WEAKNESS IN THE MID-LEVEL RIDGE TO  
THE NORTHWEST OF THE SYSTEM. A TURN MORE TO THE WEST IS EXPECTED  
BEYOND 48 HOURS AS THE INCREASINGLY SHALLOW SYSTEM BECOMES STEERED  
BY THE LOW-LEVEL TRADE WIND FLOW. THE TRACK FORECAST HAS BEEN  
SHIFTED SLIGHTLY TO THE LEFT OF THE PREVIOUS ADVISORY TO ALIGN WITH  
THE LATEST CONSENSUS GUIDANCE TRENDS, AND CLOSELY FOLLOWS A BLEND OF  
THE LATEST GDMI, FSSE AND TVCE CONSENSUS AIDS.  
 
THE WINDOW FOR ADDITIONAL STRENGTHENING APPEARS TO BE CLOSING  
QUICKLY, AS FLOSSIE BEGINS TO MOVE OVER SLIGHTLY LESS CONDUCIVE  
WATERS FOR INTENSIFICATION WITH SEA SURFACE TEMPERATURES NOW AROUND  
27C. WIND SHEAR REMAINS LIGHT AND MID-LEVEL MOISTURE REMAINS HIGH  
DURING THE NEXT 12 HOURS, SO WITH THE SYSTEM REMAINING OVER  
ADEQUATELY WARM WATER, THE INTENSITY SHOULD CHANGE LITTLE. FLOSSIE  
WILL MOVE OVER MUCH COOLER WATER BETWEEN 12 AND 24 HOURS, AND INTO A  
DRIER MID-LEVEL ENVIRONMENT. THIS SHOULD RESULT IN RATHER RAPID  
WEAKENING OF THE SYSTEM, WITH FLOSSIE EXPECTED TO BECOME A  
POST-TROPICAL LOW BY 48 HOURS, WITH DISSIPATION FOLLOWING BY 96  
HOURS. THE INTENSITY FORECAST HAS BEEN ADJUSTED TO SHOW A BIT FASTER  
WEAKENING OF THE SYSTEM WHICH IS IN LINE WITH THE LATEST INTENSITY  
CONSENSUS AIDS.  
 
 
KEY MESSAGES:  
 
1. OUTER BANDS OF HURRICANE FLOSSIE CONTINUE TO BRING LOCALLY HEAVY  
RAINFALL TO COASTAL PORTIONS OF THE MEXICAN STATES OF MICHOACáN,  
COLIMA, AND JALISCO INTO WEDNESDAY. LOCALIZED FLASH FLOODING IS  
POSSIBLE.  
 
2. LARGE SWELLS GENERATED BY FLOSSIE WILL CAUSE LIFE-THREATENING  
SURF AND RIP CURRENT CONDITIONS ALONG PORTIONS OF THE COAST OF  
SOUTHWESTERN MEXICO, AND THE BAJA CALIFORNIA PENINSULA DURING THE  
NEXT FEW DAYS.  
 
 
FORECAST POSITIONS AND MAX WINDS  
 
INIT 02/0900Z 18.6N 108.3W 100 KT 115 MPH  
12H 02/1800Z 19.3N 109.4W 95 KT 110 MPH  
24H 03/0600Z 20.2N 110.9W 75 KT 85 MPH  
36H 03/1800Z 21.0N 112.3W 55 KT 65 MPH  
48H 04/0600Z 22.1N 113.9W 40 KT 45 MPH...POST-TROPICAL  
60H 04/1800Z 23.0N 115.5W 30 KT 35 MPH...POST-TROP/REMNT LOW  
72H 05/0600Z 23.7N 117.3W 25 KT 30 MPH...POST-TROP/REMNT LOW  
96H 06/0600Z...DISSIPATED  
 
 
FORECASTER JELSEMA  
 
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