387  
WTNT22 KNHC 101447  
TCMAT2  
 
HURRICANE LARRY FORECAST/ADVISORY NUMBER 40  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122021  
1500 UTC FRI SEP 10 2021  
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...  
 
NONE.  
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...  
 
A HURRICANE WARNING IS IN EFFECT FOR...  
* SOUTHEASTERN NEWFOUNDLAND FROM ARNOLD'S COVE TO JONES HARBOUR  
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...  
* SOUTHEASTERN NEWFOUNDLAND FROM FRANCOIS TO WEST OF ARNOLD'S COVE  
* SOUTHEASTERN NEWFOUNDLAND FROM NORTH OF JONES HARBOR TO FOGO  
ISLAND  
 
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED  
SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE NEXT 24  
HOURS. 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...IN THIS CASE WITHIN THE  
NEXT 12 HOURS.  
 
INTERESTS ELSEWHERE IN SOUTHEASTERN NEWFOUNDLAND SHOULD MONITOR THE  
PROGRESS OF THIS SYSTEM.  
 
HURRICANE CENTER LOCATED NEAR 40.0N 60.5W AT 10/1500Z  
POSITION ACCURATE WITHIN 25 NM  
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 15 DEGREES AT 25 KT  
 
ESTIMATED MINIMUM CENTRAL PRESSURE 971 MB  
MAX SUSTAINED WINDS 70 KT WITH GUSTS TO 85 KT.  
64 KT....... 80NE 60SE 50SW 50NW.  
50 KT.......120NE 120SE 90SW 90NW.  
34 KT.......210NE 210SE 180SW 140NW.  
12 FT SEAS..300NE 350SE 280SW 340NW.  
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 40.0N 60.5W AT 10/1500Z  
AT 10/1200Z CENTER WAS LOCATED NEAR 39.0N 61.0W  
 
FORECAST VALID 11/0000Z 45.1N 56.4W  
MAX WIND 70 KT...GUSTS 85 KT.  
64 KT... 80NE 80SE 50SW 40NW.  
50 KT...120NE 140SE 100SW 70NW.  
34 KT...210NE 230SE 210SW 120NW.  
 
FORECAST VALID 11/1200Z 52.0N 49.4W...POST-TROP/EXTRATROP  
MAX WIND 60 KT...GUSTS 75 KT.  
50 KT...120NE 140SE 100SW 70NW.  
34 KT...210NE 250SE 240SW 120NW.  
 
FORECAST VALID 12/0000Z 57.5N 44.0W...POST-TROP/EXTRATROP  
MAX WIND 60 KT...GUSTS 75 KT.  
50 KT...120NE 140SE 100SW 60NW.  
34 KT...300NE 330SE 330SW 150NW.  
 
FORECAST VALID 12/1200Z 61.1N 38.7W...POST-TROP/EXTRATROP  
MAX WIND 55 KT...GUSTS 65 KT.  
50 KT...200NE 200SE 120SW 0NW.  
34 KT...420NE 420SE 480SW 180NW.  
 
FORECAST VALID 13/0000Z...DISSIPATED  
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 40.0N 60.5W  
 
INTERMEDIATE PUBLIC ADVISORY...WTNT32 KNHC/MIATCPAT2...AT 10/1800Z  
 
NEXT ADVISORY AT 10/2100Z  
 

 
FORECASTER CANGIALOSI  
 
 
 
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