327  
WTPZ23 KNHC 072055  
TCMEP3  
 
TROPICAL STORM HENRIETTE FORECAST/ADVISORY NUMBER 15  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP082025  
2100 UTC THU AUG 07 2025  
 
TROPICAL STORM CENTER LOCATED NEAR 18.9N 136.8W AT 07/2100Z  
POSITION ACCURATE WITHIN 30 NM  
 
PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 14 KT  
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1006 MB  
MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT.  
34 KT....... 70NE 30SE 30SW 70NW.  
4 M SEAS....120NE 45SE 60SW 105NW.  
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 18.9N 136.8W AT 07/2100Z  
AT 07/1800Z CENTER WAS LOCATED NEAR 18.8N 136.0W  
 
FORECAST VALID 08/0600Z 19.3N 139.2W  
MAX WIND 40 KT...GUSTS 50 KT.  
34 KT... 70NE 30SE 30SW 60NW.  
 
FORECAST VALID 08/1800Z 19.9N 142.2W  
MAX WIND 40 KT...GUSTS 50 KT.  
34 KT... 70NE 30SE 30SW 60NW.  
 
FORECAST VALID 09/0600Z 20.9N 145.0W  
MAX WIND 40 KT...GUSTS 50 KT.  
34 KT... 60NE 30SE 20SW 50NW.  
 
FORECAST VALID 09/1800Z 22.1N 147.5W  
MAX WIND 40 KT...GUSTS 50 KT.  
34 KT... 60NE 30SE 20SW 50NW.  
 
FORECAST VALID 10/0600Z 23.5N 150.0W  
MAX WIND 45 KT...GUSTS 55 KT.  
34 KT... 60NE 40SE 20SW 50NW.  
 
FORECAST VALID 10/1800Z 25.2N 152.3W  
MAX WIND 55 KT...GUSTS 65 KT.  
50 KT... 30NE 20SE 0SW 20NW.  
34 KT... 60NE 40SE 30SW 50NW.  
 
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 11/1800Z 28.9N 156.7W  
MAX WIND 70 KT...GUSTS 85 KT.  
50 KT... 30NE 20SE 15SW 30NW.  
34 KT... 60NE 50SE 30SW 50NW.  
 
OUTLOOK VALID 12/1800Z 32.6N 160.6W  
MAX WIND 65 KT...GUSTS 80 KT.  
50 KT... 30NE 30SE 15SW 30NW.  
34 KT... 60NE 50SE 40SW 50NW.  
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.9N 136.8W  
 
NEXT ADVISORY AT 08/0300Z  
 
 
FORECASTER HAGEN  
 
 
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