213  
WTPZ24 KNHC 090838  
TCMEP4  
 
TROPICAL STORM IVO FORECAST/ADVISORY NUMBER 11  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP092025  
0900 UTC SAT AUG 09 2025  
 
TROPICAL STORM CENTER LOCATED NEAR 20.6N 112.4W AT 09/0900Z  
POSITION ACCURATE WITHIN 20 NM  
 
PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 8 KT  
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1001 MB  
MAX SUSTAINED WINDS 50 KT WITH GUSTS TO 60 KT.  
50 KT....... 15NE 0SE 0SW 15NW.  
34 KT....... 30NE 30SE 20SW 30NW.  
4 M SEAS.... 60NE 30SE 30SW 60NW.  
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL  
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.  
 
REPEAT...CENTER LOCATED NEAR 20.6N 112.4W AT 09/0900Z  
AT 09/0600Z CENTER WAS LOCATED NEAR 20.5N 112.1W  
 
FORECAST VALID 09/1800Z 20.9N 113.4W  
MAX WIND 45 KT...GUSTS 55 KT.  
34 KT... 30NE 30SE 20SW 30NW.  
 
FORECAST VALID 10/0600Z 21.3N 115.1W  
MAX WIND 45 KT...GUSTS 55 KT.  
34 KT... 30NE 20SE 20SW 30NW.  
 
FORECAST VALID 10/1800Z 21.7N 117.1W  
MAX WIND 40 KT...GUSTS 50 KT.  
34 KT... 30NE 20SE 10SW 30NW.  
 
FORECAST VALID 11/0600Z 22.0N 119.3W...POST-TROPICAL  
MAX WIND 35 KT...GUSTS 45 KT.  
34 KT... 20NE 0SE 0SW 20NW.  
 
FORECAST VALID 11/1800Z 22.1N 121.5W...POST-TROP/REMNT LOW  
MAX WIND 30 KT...GUSTS 40 KT.  
 
FORECAST VALID 12/0600Z 22.2N 123.7W...POST-TROP/REMNT LOW  
MAX WIND 25 KT...GUSTS 35 KT.  
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM  
ON DAY 4 AND 125 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY  
 
OUTLOOK VALID 13/0600Z...DISSIPATED  
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.6N 112.4W  
 
NEXT ADVISORY AT 09/1500Z  
 
 
FORECASTER BUCCI  
 
 
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