502  
WTPZ23 KNHC 130838  
TCMEP3  
 
TROPICAL STORM HERNAN FORECAST/ADVISORY NUMBER 2  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP082026  
0900 UTC THU AUG 13 2026  
 
TROPICAL STORM CENTER LOCATED NEAR 18.1N 131.9W AT 13/0900Z  
POSITION ACCURATE WITHIN 30 NM  
 
PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 2 KT  
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1006 MB  
MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT.  
34 KT....... 0NE 0SE 30SW 35NW.  
4 M SEAS.... 0NE 0SE 60SW 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 18.1N 131.9W AT 13/0900Z  
AT 13/0600Z CENTER WAS LOCATED NEAR 18.1N 131.8W  
 
FORECAST VALID 13/1800Z 18.0N 132.0W  
MAX WIND 35 KT...GUSTS 45 KT.  
34 KT... 0NE 0SE 20SW 30NW.  
 
FORECAST VALID 14/0600Z 17.3N 132.4W  
MAX WIND 35 KT...GUSTS 45 KT.  
34 KT... 0NE 0SE 10SW 20NW.  
 
FORECAST VALID 14/1800Z 16.5N 132.9W  
MAX WIND 30 KT...GUSTS 40 KT.  
 
FORECAST VALID 15/0600Z 15.8N 133.7W...POST-TROP/REMNT LOW  
MAX WIND 25 KT...GUSTS 35 KT.  
 
FORECAST VALID 15/1800Z 15.3N 135.3W...POST-TROP/REMNT LOW  
MAX WIND 25 KT...GUSTS 35 KT.  
 
FORECAST VALID 16/0600Z 14.9N 136.8W...POST-TROP/REMNT LOW  
MAX WIND 20 KT...GUSTS 30 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 17/0600Z...DISSIPATED  
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.1N 131.9W  
 
NEXT ADVISORY AT 13/1500Z  
 
 
FORECASTER KATZ/BEVEN  
 
 
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