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Hurricane Dorian Intermediate Advisory Number 26A
NWS National Hurricane Center Miami FL AL052019
800 PM EDT Fri Aug 30 2019
...NOAA HURRICANE HUNTER AIRCRAFT FINDS DORIAN STRONGER...
...ADDITIONAL STRENGTHENING EXPECTED...
SUMMARY OF 800 PM EDT...0000 UTC...INFORMATION
ABOUT 400 MI...645 KM E OF THE NORTHWESTERN BAHAMAS
ABOUT 575 MI...925 KM E OF WEST PALM BEACH FLORIDA
MAXIMUM SUSTAINED WINDS...125 MPH...205 KM/H
PRESENT MOVEMENT...WNW OR 300 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...950 MB...28.05 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Hurricane Warning is in effect for...
* Northwestern Bahamas excluding Andros Island
A Hurricane Watch is in effect for...
* Andros Island
A Hurricane Warning means that hurricane conditions are expected
somewhere within the warning area. A warning is typically issued
36 hours before the anticipated first occurrence of tropical-storm-
force winds, conditions that make outside preparations difficult or
dangerous. Preparations to protect life and property should be
rushed to completion.
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.
Interests in southern and central Florida should monitor the
progress of Dorian.
For storm information specific to your area, please monitor
products issued by your national meteorological service.
DISCUSSION AND OUTLOOK
At 800 PM EDT (0000 UTC), the well-defined eye of Hurricane Dorian
was located near latitude 25.3 North, longitude 71.0 West. Dorian
is moving toward the west-northwest near 10 mph (17 km/h). A slower
west-northwestward to westward motion should begin tonight and
continue into early next week. On this track, the core of Dorian
should move over the Atlantic well north of the southeastern and
central Bahamas tonight and tomorrow, be near or over the
northwestern Bahamas on Sunday, and be near the Florida east coast
Data from a NOAA Hurricane Hunter aircraft indicate that the
maximum sustained winds have increased to near 125 mph (205 km/h)
with higher gusts. Dorian is a category 3 hurricane on the
Saffir-Simpson Hurricane Wind Scale. Additional strengthening is
forecast, and Dorian is anticipated to remain an extremely dangerous
hurricane while it moves near the northwestern Bahamas and
approaches the Florida peninsula into early next week.
Hurricane-force winds extend outward up to 30 miles (45 km) from
the center and tropical-storm-force winds extend outward up to 115
miles (185 km).
The latest minimum central pressure based on data from a NOAA
reconnaissance aircraft is 950 mb (28.05 inches).
HAZARDS AFFECTING LAND
WIND: Hurricane conditions are expected in the hurricane warning
area in the northwestern Bahamas by Sunday, with tropical storm
winds beginning Saturday night.
STORM SURGE: A life-threatening storm surge will raise water levels
by as much as 10 to 15 feet above normal tide levels in areas of
onshore winds in the northwestern Bahamas. Near the coast,the surge
will be accompanied by large and destructive waves.
RAINFALL: Dorian is expected to produce the following rainfall
accumulations this weekend into the middle of next week:
Northwestern Bahamas...10 to 15 inches, isolated 20 inches.
Coastal sections of the southeast United States...6 to 12 inches,
isolated 18 inches.
Central Bahamas...2 to 4 inches, isolated 6 inches.
This rainfall may cause life-threatening flash floods.
SURF: Swells are likely to begin affecting the east-facing shores
of the Bahamas, the Florida east coast, and the southeastern United
States coast during the next few 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 EDT.