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Post-Tropical Cyclone Dorian Intermediate Advisory Number 59A
NWS National Hurricane Center Miami FL AL052019
800 PM AST Sat Sep 07 2019
...DORIAN RACING NORTHEASTWARD OVER NOVA SCOTIA...
...VERY STRONG WINDS AFFECTING MOST OF NOVA SCOTIA...
SUMMARY OF 800 PM AST...0000 UTC...INFORMATION
ABOUT 45 MI...75 KM NE OF HALIFAX NOVA SCOTIA
MAXIMUM SUSTAINED WINDS...100 MPH...155 KM/H
PRESENT MOVEMENT...NE OR 35 DEGREES AT 30 MPH...48 KM/H
MINIMUM CENTRAL PRESSURE...960 MB...28.35 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
The Tropical Storm Warning from East of Bar Harbor to Eastport Maine
has been discontinued.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Hurricane Warning is in effect for...
* Eastern Nova Scotia from Lower East Pubnico to Brule
* Western Newfoundland from Indian Harbour to Hawke's Bay
A Hurricane Watch is in effect for...
* Prince Edward Island
* Magdalen Islands
A Tropical Storm Warning is in effect for...
* Prince Edward Island
* Southwestern Nova Scotia from Avonport to north of Lower East
* Fundy National Park to Shediac
* Stone's Cove to Indian Harbour
* Hawke's Bay to Fogo Island
* Mutton Bay to Mary's Harbour
* Magdalen Islands
A Hurricane Warning means that hurricane conditions are expected
somewhere within the warning area. Preparations to protect life and
property should be rushed to completion.
A Tropical Storm Warning means that tropical storm conditions are
expected within the warning area in this case within the next 12
A Hurricane Watch means that hurricane conditions are possible
within the watch area.
For storm information specific to your area in the United
States, including possible inland watches and warnings, please
monitor products issued by your local National Weather Service
forecast office. For storm information specific to your area
outside of the United States, please monitor products issued by
your national meteorological service.
DISCUSSION AND OUTLOOK
At 800 PM AST (0000 UTC), the center of Post-Tropical Cyclone Dorian
was estimated near latitude 45.0 North, longitude 62.9 West. The
post-tropical cyclone is racing northeastward near 30 mph (48 km/h),
and this general motion is expected to continue for the next 24
hours. After that, a turn toward the east-northeast is expected. On
the forecast track, the center of Dorian should continue to move
over Nova Scotia during the next few hours, then move over the Gulf
of St. Lawrence near Prince Edward Island tonight. The cyclone
should then pass near or over northern Newfoundland and eastern
Labrador late tonight or Sunday morning.
Maximum sustained winds remain near 100 mph (155 km/h) with higher
gusts, and these winds are occuring primarily over water. The
post-tropical cyclone is expected to weaken during the next couple
of days, and it is forecast to drop below hurricane strength by
Hurricane-force winds extend outward up to 115 miles (185 km) to
the south of the center and tropical-storm-force winds extend
outward up to 310 miles (500 km). Hart Island, Nova Scotia,
recently reported a wind gust of 76 mph (122 km/h).
The estimated minimum central pressure is 960 mb (28.35 inches).
HAZARDS AFFECTING LAND
WIND: Tropical storm and hurricane conditions are expected to
continue over portions of Nova Scotia during the next few
hours. Hurricane conditions are also expected elsewhere in the
Hurricane Warning area later tonight. Hurricane conditions are also
possible in the Hurricane Watch area tonight. Tropical storm
conditions are expected in the Tropical Storm Warning area late
tonight and Sunday.
STORM SURGE: A dangerous storm surge is likely in the Gulf of St.
Lawrence, the Southwest Coast of Newfoundland, and Eastern Nova
RAINFALL: Dorian is expected to produce the following rainfall
totals through Saturday Night:
Nova Scotia...3 to 5 inches, isolated 7 inches.
New Brunswick and Prince Edward Island...2 to 4 inches
Newfoundland and far eastern Quebec...1 to 2 inches
These rainfall amounts could result in flash flooding.
SURF: Large swells are increasing along the coast in Atlantic
Canada, and they will continue to affect that area during the next
few days. Swells along the mid-Atlantic and New England coasts of
the U.S. will continue for a couple of more days. These swells are
likely to cause life-threatening surf and rip current conditions.
Please consult products from your local weather office.
Next complete advisory at 1100 PM AST.