476  
WTNT22 KNHC 090842  
TCMAT2  
 
HURRICANE LARRY FORECAST/ADVISORY NUMBER 35  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122021  
0900 UTC THU SEP 09 2021  
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...  
 
NONE.  
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...  
 
A HURRICANE WATCH IS IN EFFECT FOR...  
* SOUTHEASTERN NEWFOUNDLAND FROM ST. SCHOTTS TO POUCH COVE  
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...  
* BERMUDA  
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...  
* SOUTHEASTERN NEWFOUNDLAND FROM LAMALINE TO WEST OF ST. SCHOTTS  
* SOUTHEASTERN NEWFOUNDLAND FROM NORTH OF POUCH COVE TO BONAVISTA  
 
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE  
WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS  
BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE  
WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR  
DANGEROUS.  
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE  
EXPECTED SOMEWHERE WITHIN THE WARNING AREA.  
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE  
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.  
 
INTERESTS ELSEWHERE IN SOUTHEASTERN NEWFOUNDLAND SHOULD MONITOR THE  
PROGRESS OF THIS SYSTEM.  
 
HURRICANE CENTER LOCATED NEAR 30.9N 61.1W AT 09/0900Z  
POSITION ACCURATE WITHIN 20 NM  
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 330 DEGREES AT 14 KT  
 
ESTIMATED MINIMUM CENTRAL PRESSURE 969 MB  
MAX SUSTAINED WINDS 85 KT WITH GUSTS TO 105 KT.  
64 KT....... 80NE 60SE 30SW 50NW.  
50 KT.......110NE 110SE 70SW 90NW.  
34 KT.......190NE 190SE 140SW 140NW.  
12 FT SEAS..430NE 320SE 270SW 300NW.  
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 30.9N 61.1W AT 09/0900Z  
AT 09/0600Z CENTER WAS LOCATED NEAR 30.2N 60.8W  
 
FORECAST VALID 09/1800Z 32.9N 62.1W  
MAX WIND 85 KT...GUSTS 105 KT.  
64 KT... 80NE 60SE 30SW 50NW.  
50 KT...110NE 110SE 70SW 90NW.  
34 KT...190NE 190SE 140SW 140NW.  
 
FORECAST VALID 10/0600Z 36.7N 62.0W  
MAX WIND 85 KT...GUSTS 105 KT.  
64 KT... 70NE 50SE 40SW 50NW.  
50 KT...110NE 110SE 70SW 80NW.  
34 KT...190NE 190SE 130SW 130NW.  
 
FORECAST VALID 10/1800Z 41.8N 59.0W  
MAX WIND 80 KT...GUSTS 100 KT.  
64 KT... 60NE 70SE 50SW 40NW.  
50 KT...110NE 120SE 90SW 70NW.  
34 KT...200NE 210SE 160SW 110NW.  
 
FORECAST VALID 11/0600Z 47.9N 52.5W  
MAX WIND 70 KT...GUSTS 85 KT.  
64 KT... 50NE 70SE 40SW 30NW.  
50 KT...100NE 120SE 100SW 70NW.  
34 KT...190NE 230SE 210SW 110NW.  
 
FORECAST VALID 11/1800Z 54.1N 45.9W...POST-TROP/EXTRATROP  
MAX WIND 60 KT...GUSTS 75 KT.  
50 KT... 80NE 110SE 80SW 60NW.  
34 KT...250NE 250SE 220SW 110NW.  
 
FORECAST VALID 12/0600Z 59.2N 41.2W...POST-TROP/EXTRATROP  
MAX WIND 60 KT...GUSTS 75 KT.  
50 KT...150NE 140SE 100SW 80NW.  
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 13/0600Z...ABSORBED  
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 30.9N 61.1W  
 
INTERMEDIATE PUBLIC ADVISORY...WTNT32 KNHC/MIATCPAT2...AT 09/1200Z  
 
NEXT ADVISORY AT 09/1500Z  
 

 
FORECASTER ROBERTS  
 
 
 
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