591  
WTNT22 KNHC 092057  
TCMAT2  
 
HURRICANE LARRY FORECAST/ADVISORY NUMBER 37  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122021  
2100 UTC THU SEP 09 2021  
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...  
 
THE CANADIAN HURRICANE CENTRE HAS ISSUED A HURRICANE WARNING  
FROM ARNOLD'S COVE TO JONES HARBOUR...NEWFOUNDLAND.  
 
THE CANADIAN HURRICANE CENTRE HAS ALSO ISSUED A TROPICAL STORM  
WARNING FROM LAMALINE TO WEST OF ARNOLD'S COVE...AND FROM NORTH OF  
JONES HARBOUR TO BONAVISTA...NEWFOUNDLAND.  
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...  
 
A HURRICANE WARNING IS IN EFFECT FOR...  
* SOUTHEASTERN NEWFOUNDLAND FROM ARNOLD'S COVE TO JONES HARBOUR  
NEWFOUNDLAND  
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...  
* BERMUDA  
* SOUTHEASTERN NEWFOUNDLAND FROM LAMALINE TO WEST OF ARNOLD'S COVE  
* SOUTHEASTERN NEWFOUNDLAND FROM NORTH OF JONES HARBOR TO BONAVISTA  
 
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED  
SOMEWHERE WITHIN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED  
36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF  
TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE  
PREPARATIONS DIFFICULT OR DANGEROUS. PREPARATIONS TO PROTECT LIFE  
AND PROPERTY SHOULD BE RUSHED TO COMPLETION.  
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE  
EXPECTED SOMEWHERE WITHIN THE WARNING AREA.  
 
INTERESTS ELSEWHERE IN SOUTHEASTERN NEWFOUNDLAND SHOULD MONITOR THE  
PROGRESS OF THIS SYSTEM.  
 
HURRICANE CENTER LOCATED NEAR 33.9N 62.2W AT 09/2100Z  
POSITION ACCURATE WITHIN 20 NM  
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 345 DEGREES AT 17 KT  
 
ESTIMATED MINIMUM CENTRAL PRESSURE 966 MB  
MAX SUSTAINED WINDS 80 KT WITH GUSTS TO 100 KT.  
64 KT....... 80NE 60SE 30SW 50NW.  
50 KT.......110NE 110SE 70SW 90NW.  
34 KT.......190NE 190SE 140SW 140NW.  
12 FT SEAS..400NE 320SE 280SW 320NW.  
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 33.9N 62.2W AT 09/2100Z  
AT 09/1800Z CENTER WAS LOCATED NEAR 33.0N 62.1W  
 
FORECAST VALID 10/0600Z 36.8N 61.8W  
MAX WIND 80 KT...GUSTS 100 KT.  
64 KT... 80NE 60SE 30SW 50NW.  
50 KT...110NE 110SE 70SW 90NW.  
34 KT...190NE 190SE 140SW 140NW.  
 
FORECAST VALID 10/1800Z 42.2N 59.0W  
MAX WIND 75 KT...GUSTS 90 KT.  
64 KT... 70NE 60SE 40SW 50NW.  
50 KT...110NE 110SE 70SW 80NW.  
34 KT...190NE 200SE 180SW 130NW.  
 
FORECAST VALID 11/0600Z 48.4N 52.9W  
MAX WIND 70 KT...GUSTS 85 KT.  
64 KT... 60NE 70SE 50SW 40NW.  
50 KT...110NE 120SE 90SW 70NW.  
34 KT...200NE 210SE 180SW 110NW.  
 
FORECAST VALID 11/1800Z 55.0N 46.0W...POST-TROP/EXTRATROP  
MAX WIND 60 KT...GUSTS 75 KT.  
50 KT...120NE 120SE 100SW 70NW.  
34 KT...240NE 230SE 210SW 110NW.  
 
FORECAST VALID 12/0600Z 59.5N 42.0W...POST-TROP/EXTRATROP  
MAX WIND 55 KT...GUSTS 65 KT.  
50 KT...150NE 120SE 100SW 70NW.  
34 KT...250NE 250SE 220SW 150NW.  
 
FORECAST VALID 12/1800Z 61.5N 40.0W...POST-TROP/EXTRATROP  
MAX WIND 50 KT...GUSTS 60 KT.  
50 KT...150NE 140SE 100SW 70NW.  
34 KT...320NE 270SE 250SW 200NW.  
 
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 13/1800Z...DISSIPATED  
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 33.9N 62.2W  
 
INTERMEDIATE PUBLIC ADVISORY...WTNT32 KNHC/MIATCPAT2...AT 10/0000Z  
 
NEXT ADVISORY AT 10/0300Z  
 

 
FORECASTER PASCH  
 
 
 
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