894  
WTNT22 KNHC 190836  
TCMAT2  
 
TROPICAL DEPRESSION SEVENTEEN FORECAST/ADVISORY NUMBER 1  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL172021  
0900 UTC SUN SEP 19 2021  
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.  
 
TROPICAL DEPRESSION CENTER LOCATED NEAR 11.8N 28.2W AT 19/0900Z  
POSITION ACCURATE WITHIN 30 NM  
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 330 DEGREES AT 12 KT  
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB  
MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT.  
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 11.8N 28.2W AT 19/0900Z  
AT 19/0600Z CENTER WAS LOCATED NEAR 11.3N 27.9W  
 
FORECAST VALID 19/1800Z 13.4N 29.2W  
MAX WIND 35 KT...GUSTS 45 KT.  
34 KT... 30NE 30SE 0SW 0NW.  
 
FORECAST VALID 20/0600Z 15.5N 31.2W  
MAX WIND 40 KT...GUSTS 50 KT.  
34 KT... 30NE 30SE 0SW 0NW.  
 
FORECAST VALID 20/1800Z 17.6N 33.2W  
MAX WIND 40 KT...GUSTS 50 KT.  
34 KT... 40NE 40SE 0SW 0NW.  
 
FORECAST VALID 21/0600Z 19.7N 34.7W  
MAX WIND 35 KT...GUSTS 45 KT.  
34 KT... 40NE 40SE 0SW 0NW.  
 
FORECAST VALID 21/1800Z 21.7N 36.1W  
MAX WIND 35 KT...GUSTS 45 KT.  
34 KT... 40NE 40SE 0SW 0NW.  
 
FORECAST VALID 22/0600Z 23.2N 37.2W  
MAX WIND 30 KT...GUSTS 40 KT.  
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM  
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY  
 
OUTLOOK VALID 23/0600Z 25.6N 39.6W  
MAX WIND 30 KT...GUSTS 40 KT.  
 
OUTLOOK VALID 24/0600Z 28.1N 41.5W  
MAX WIND 30 KT...GUSTS 40 KT.  
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 11.8N 28.2W  
 
NEXT ADVISORY AT 19/1500Z  
 

 
FORECASTER STEWART  
 
 
 
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