Operation Storm Watch

Operation Storm Watch

The latest hurricane updates and resources

 

5 PM Update Hurricane Dorian For Monday 9/2/19

National Hurricane Center has reported more weakening of Hurricane Dorian with maximum sustained winds at 145 mph.

They are also reporting the storm is no longer moving and remaining stationary over Grand Bahama Island.

Our News partners at NBC6 anticipate that when the storm begins to move again it will be moving in a different direction.

SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION

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LOCATION...26.8N 78.4W

ABOUT 25 MI...40 KM NE OF FREEPORT GRAND BAHAMA ISLAND

ABOUT 105 MI...170 KM E OF WEST PALM BEACH FLORIDA

MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/H

PRESENT MOVEMENT...STATIONARY

MINIMUM CENTRAL PRESSURE...940 MB...27.76 INCHES

WATCHES AND WARNINGS

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CHANGES WITH THIS ADVISORY:

The Storm Surge Warning has been extended northward to Altamaha

Sound Georgia.

The Hurricane Warning has been extended northward to Ponte Vedra

Beach Florida.

The Storm Surge Watch and Hurricane Watch have been extended

northward to South Santee River South Carolina.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Storm Surge Warning is in effect for...

* Lantana to Altamaha Sound

A Storm Surge Watch is in effect for...

* North of Deerfield Beach to south of Lantana

* Altamaha Sound to South Santee River

A Hurricane Warning is in effect for...

* Grand Bahama and the Abacos Islands in the northwestern Bahamas

* Jupiter Inlet to Ponte Vedra Beach

A Hurricane Watch is in effect for...

* North of Deerfield Beach to Jupiter Inlet

* North of Ponte Vedra Beach to South Santee River

A Tropical Storm Warning is in effect for...

* North of Deerfield Beach to Jupiter Inlet

A Tropical Storm Watch is in effect for...

* North of Golden Beach to Deerfield Beach

* Lake Okeechobee

A Storm Surge Warning means there is a danger of life-threatening

inundation, from rising water moving inland from the coastline,

during the next 36 hours in the indicated locations. For a depiction

of areas at risk, please see the National Weather Service Storm

Surge Watch/Warning Graphic, available at hurricanes.gov. This is a

life-threatening situation. Persons located within these areas

should take all necessary actions to protect life and property from

rising water and the potential for other dangerous conditions.

Promptly follow evacuation and other instructions from local

officials.

A Storm Surge Watch means there is a possibility of life-

threatening inundation, from rising water moving inland from the

coastline, in the indicated locations during the next 48 hours.

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 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 within the warning area within 36 hours.

A Tropical Storm Watch means that tropical storm conditions are

possible within the watch area, generally within 48 hours.

Interests elsewhere along the coast of the Southeast and

Mid-Atlantic coast of the United States should continue to monitor

the progress of Dorian, as additional watches may be required

tonight and Tuesday.

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 500 PM EDT (2100 UTC), the eye of Hurricane Dorian was located

near latitude 26.8 North, longitude 78.4 West. Dorian has become

nearly stationary this afternoon. A slow westward to west-

northwestward motion is expected to resume overnight and continue

into early Tuesday. A turn toward the northwest is forecast by late

Tuesday, with a northeastward motion forecast to begin by Wednesday

night. On this track, the core of extremely dangerous Hurricane

Dorian will continue to pound Grand Bahama Island into Tuesday

morning. The hurricane will then move dangerously close to the

Florida east coast late Tuesday through Wednesday evening and then

move dangerously close to the Georgia and South Carolina coasts on

Wednesday night and Thursday.

An Air Force Reserve Hurricane Hunter aircraft has found that

maximum sustained winds are near 145 mph (230 km/h) with higher

gusts. Dorian is a category 4 hurricane on the Saffir-Simpson

Hurricane Wind Scale. Although gradual weakening is forecast,

Dorian is expected to remain a powerful hurricane during the next

couple of days.

Hurricane-force winds extend outward up to 45 miles (75 km) from the

center and tropical-storm-force winds extend outward up to 150 miles

(240 km). Sustained winds of 55 mph (89 km/h) with a gust to 69 mph

(111 km/h) was recently reported at a NOAA Coastal Marine observing

site at Settlement Point on the west end of Grand Bahama Island. A

wind gust of 43 mph (69 km/h) was reported at Opa Locka Airport

near Miami earlier this afternoon.

The latest minimum central pressure reported by an Air Force

Reserve Hurricane Hunter aircraft is 940 mb (27.76 inches).

HAZARDS AFFECTING LAND

----------------------

WIND: Devastating hurricane conditions continue on Grand Bahama

Island. Do not venture out into the eye, as winds will suddenly

increase after the eye passes.

Hurricane conditions are expected within the Hurricane Warning area

in Florida by Tuesday. Hurricane conditions are possible in the

Hurricane Watch area beginning Wednesday.

Tropical storm conditions are expected within the Tropical Storm

warning area through Tuesday, and are possible in the Tropical

Storm watch area by tonight.

STORM SURGE: A life-threatening storm surge will raise water levels

by as much as 12 to 18 feet above normal tide levels in areas of

onshore winds on Grand Bahama Island. Near the coast, the surge

will be accompanied by large and destructive waves. Water levels

should very slowly subside on the Abaco Islands during the day.

The combination of a dangerous storm surge and the tide will cause

normally dry areas near the coast to be flooded by rising waters

moving inland from the shoreline. The water could reach the

following heights above ground somewhere in the indicated

areas if the peak surge occurs at the time of high tide...

Lantana to South Santee River...4 to 7 ft

North of Deerfield Beach to Lantana...2 to 4 ft

Water levels could begin rise well in advance of the arrival of

strong winds. The surge will be accompanied by large and

destructive waves. Surge-related flooding depends on the how close

the center of Dorian comes to the coast, and can vary greatly over

short distances. For information specific to your area, please see

products issued by your local National Weather Service forecast

office.

RAINFALL: Dorian is expected to produce the following rainfall

totals through late this week:

Northwestern Bahamas...Additional 6 to 12 inches, isolated storm

totals of 30 inches.

Central Bahamas...Additional 1 to 3 inches, isolated storm totals

of 6 inches.

Coastal Carolinas...5 to 10 inches, isolated 15 inches.

Atlantic Coast from the Florida peninsula through Georgia...4 to 8

inches, isolated 10 inches.

This rainfall may cause life-threatening flash floods.

SURF: Large swells are affecting east-facing shores of the Bahamas

and the Florida east coast, and will spread northward along 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.

TORNADOES: Isolated tornadoes are possible through Tuesday along

the eastern coast of Florida.


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