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HURRICANE JOAQUIN INTERMEDIATE ADVISORY NUMBER 25A
NWS NATIONAL HURRICANE CENTER MIAMI FL AL112015
800 PM AST SAT OCT 03 2015
...SEVERE HURRICANE JOAQUIN MOVING NORTHEASTWARD TOWARD BERMUDA...
SUMMARY OF 800 PM AST...0000 UTC...INFORMATION
ABOUT 455 MI...730 KM SW OF BERMUDA
MAXIMUM SUSTAINED WINDS...145 MPH...235 KM/H
PRESENT MOVEMENT...NE OR 45 DEGREES AT 17 MPH...28 KM/H
MINIMUM CENTRAL PRESSURE...937 MB...27.67 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Warning is in effect for...
A Hurricane Watch is in effect for...
A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area. For Bermuda, the
tropical storm conditions are expected within the next 24 to 36
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
For storm information specific to your area, please monitor
products issued by your national meteorological service.
DISCUSSION AND 48-HOUR OUTLOOK
At 800 PM AST (0000 UTC), the eye of Hurricane Joaquin was located
near latitude 27.3 North, longitude 69.6 West. Joaquin is moving
toward the northeast near 17 mph (28 km/h), and this general motion
is expected to continue through tonight. A turn toward the north-
northeast is forecast on Sunday. On the forecast track, the eye of
Joaquin will pass west of Bermuda on Sunday. However, a small
deviation to the east of the forecast track would bring the core of
the hurricane and stronger winds closer to Bermuda.
Maximum sustained winds are near 145 mph (235 km/h) with higher
gusts. Joaquin is a strong category 4 hurricane on the
Saffir-Simpson Hurricane Wind Scale. Some fluctuations in intensity
are likely tonight, but Joaquin is forecast to gradually weaken
during the next 48 hours.
Hurricane force winds extend outward up to 45 miles (75 km) from the
center and tropical storm force winds extend outward up to 205 miles
The estimated minimum central pressure is 937 mb (27.67 inches).
HAZARDS AFFECTING LAND
WIND: Tropical storm conditions are first expected to reach Bermuda
by Sunday morning, with hurricane conditions possible by Sunday
RAINFALL: Outer rain bands of Joaquin will begin to affect Bermuda
by early Sunday, and Joaquin is expected to produce 3 to 5 inches of
rainfall over Bermuda through Monday.
SURF: Swells generated by Joaquin will continue to affect portions
of the Bahamas during the next few days. Swells are affecting much
of the southeastern coast of the United States and will spread
northward along the east coast of the United States through the
weekend. Swells from Joaquin will begin affecting Bermuda today and
continue through the weekend. These swells are likely to cause
life-threatening surf and rip current conditions. Even though
Joaquin is expected to pass well east of the coast of the United
States, a prolonged period of elevated water levels and large waves
will affect the mid-Atlantic region, causing significant beach and
dune erosion with moderate coastal flooding likely. Please consult
products from your local weather office.
Next complete advisory at 1100 PM AST.