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BULLETIN
Hurricane Larry Advisory Number  35
NWS National Hurricane Center Miami FL       AL122021
500 AM AST Thu Sep 09 2021
 
...BERMUDA WEATHER SERVICE RADAR SHOWS RAINBANDS APPROACHING...
...HURRICANE AND TROPICAL STORM WATCHES ARE IN EFFECT FOR
SOUTHEASTERN NEWFOUNDLAND...
 
 
SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...30.9N 61.1W
ABOUT 240 MI...385 KM ESE OF BERMUDA
MAXIMUM SUSTAINED WINDS...100 MPH...155 KM/H
PRESENT MOVEMENT...NNW OR 330 DEGREES AT 16 MPH...26 KM/H
MINIMUM CENTRAL PRESSURE...969 MB...28.62 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES 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.
 
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.
 
For storm information specific to your area, please monitor
products issued by your national meteorological service.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 500 AM AST (0900 UTC), the center of Hurricane Larry was located
near latitude 30.9 North, longitude 61.1 West. Larry is moving
toward the north-northwest near 16 mph (26 km/h), and a turn toward
the north-northwest and north with an increase in forward speed is 
forecast today, with a faster northeastward motion expected by 
Friday.  On the forecast track, the center of Larry should pass 
east of Bermuda today, and move near or over southeastern 
Newfoundland Friday night or early Saturday morning.

Maximum sustained winds are near 100 mph (155 km/h) with higher
gusts.  Gradual weakening is forecast during the next couple
of days, but Larry is expected to remain a hurricane during that
time. Larry should become an extratropical cyclone early Saturday,
after passing by Newfoundland, then weaken further while it passes
southeast of Greenland Sunday night.  Larry is expected to be 
absorbed by a larger baroclinic system east of Greenland Monday.

Larry remains very large, with Hurricane-force winds extending 
outward up to 90 miles (150 km) from the center and 
tropical-storm-force winds extending outward up to 220 miles (350 
km) from the center.
 
The estimated minimum central pressure is 969 mb (28.62 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
Key messages for Larry can be found in the Tropical Cyclone
Discussion under AWIPS header MIATCDAT2, WMO header WTNT42 KNHC
and on the web at hurricanes.gov/graphics_at2.shtml?key_messages
 
WIND:  Tropical storm conditions are expected on Bermuda beginning
later this morning.  

Hurricane conditions are possible within the hurricane watch area in 
southeastern Newfoundland Friday night with tropical storm 
conditions possible by late Friday. Tropical storm conditions are 
possible in the tropical storm watch area in southeastern 
Newfoundland by late Friday. 
 
SURF:  Swells generated by Larry will continue to affect the Leeward
Islands, portions of the Greater Antilles, the Bahamas, and Bermuda
through the end of the week. Significant swells from Larry will
continue affecting the east coast of the United States and Atlantic
Canada through the end of the week. These swells are likely to cause
life-threatening surf and rip current conditions.  Please consult
products from your local weather office.
 
RAINFALL:  Outer rain bands from Hurricane Larry may periodically 
impact Bermuda Thursday. Significant rainfall totals are currently 
not expected, however briefly heavy rain rates within these bands 
may result in an inch or two of rain through Thursday.  Heavy rains 
from Larry will move quickly across eastern New Foundland Friday 
night, producing 1 to 2 inches of rain.
 
 
NEXT ADVISORY
-------------
Next intermediate advisory at 800 AM AST.
Next complete advisory at 1100 AM AST.
 
$$
Forecaster Roberts
 
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