Disaster Response: Hurricane Matthew Update 10/06/16 2:30 p.m.

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GR3 is closely monitoring Hurricane Matthew as it moves though the Caribbean, and up towards the east coast of Florida. GR3 volunteer quick response teams have been put on standby for deployment to Florida, as we coordinate with FLVOAD in response & relief efforts. And GR3 is working with partner World Vision, to provide support and personnel in responding to the various areas in the Caribbean that have been devastated by the hurricane.

Hurricane Matthew has strengthened into a Category 4 hurricane (with a possibility of becoming a Category 5 hurricane according to some reports), with winds of 140 mph and gusts up to 165 mph, according to the NOAA National Hurricane Center. The hurricane has killed at least 113 people in at least three Caribbean countries so far.

US Authorities are urging more than 2 million people to evacuate out of the coastal regions of Florida, Georgia and South Carolina. Incidentally, this is the largest mandatory evacuation in the United States since Hurricane Sandy hit the East Coast in Oct-Nov of 2012.

It has left significant damage in Haiti and assessments are continuing in Cuba, currently as of 2 p.m. EST, it is pounding the Bahamas.
Currently the hurricane is moving up towards the east coast of Florida at about 14 mph.

Per NOAA NHC:
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Hurricane Warning is in effect for…
* Central Bahamas, including Long Island, Exuma, Rum Cay, San Salvador, and Cat Island
* Northwestern Bahamas, including the Abacos, Andros Island, Berry Islands, Bimini, Eleuthera, Grand Bahama Island, and New Providence
* North of Golden Beach Florida to Edisto Beach South Carolina
* Lake Okeechobee

A Hurricane Watch is in effect for…
* North of Edisto Beach to South Santee River South Carolina

A Tropical Storm Warning is in effect for…
* Chokoloskee to Golden Beach
* Florida Keys from Seven Mile Bridge eastward
* Florida Bay
* Anclote River to Suwannee River

A Tropical Storm Watch is in effect for…
* North of Chokoloskee to Anclote River

Interests elsewhere in the Florida Peninsula, the Florida Keys, and in the Carolinas should monitor the progress of Matthew.

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 the United States, please monitor products issued by your national meteorological service.

DISCUSSION AND 48-HOUR OUTLOOK
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At 200 PM EDT (1800 UTC), the eye of Hurricane Matthew was located near latitude 25.7 North, longitude 78.4 West.  The hurricane is moving toward the northwest near 14 mph (22 km/h), and this general motion is expected to continue today with a turn toward the north-northwest tonight or early Friday.  On the forecast track, the eye of Matthew should be near or over Freeport in the Bahamas in the next few hours, and move close to or over the east coast of the Florida peninsula through Friday night.

Maximum sustained winds are near 140 mph (220 km/h) with higher gusts.  Matthew is a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale.  Some additional strengthening is possible, and Matthew should remain a Category 4 hurricane while it approaches the Florida coast.

Hurricane-force winds extend outward up to 60 miles (95 km) from the center and tropical-storm-force winds extend outward up to 160 miles (260 km). Nassau in the Bahamas reported 97 mph (156 km/h) sustained winds earlier today when the northern eyewall moved over that island. The estimated minimum central pressure is 939 mb (27.73 inches).

HAZARDS AFFECTING LAND
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WIND:  Hurricane conditions are still affecting portions of the central Bahamas and are already spreading across the northwestern Bahamas.
Hurricane conditions are expected to first reach the hurricane warning area in Florida by late today and will spread northward within the warning area through Friday.  Tropical storm conditions are first expected in Florida within the next several hours. Hurricane conditions are possible in the hurricane watch area in northeast Georgia and South Carolina by early Saturday, with tropical storm conditions possible on Friday night.

Winds increase rapidly in elevation in a tropical cyclone. Residents in high-rise buildings should be aware that the winds at the top ofa 30-story building will be, on average, about one Saffir-Simpson category higher than the winds near the surface.

STORM SURGE:  The combination of a dangerous storm surge and large and destructive waves could raise water levels by as much as the following amounts above normal tide levels… Central and Northwestern Bahamas…10 to 15 feet

The water could reach the following heights above ground if the peak surge occurs at the time of high tide… Sebastian Inlet to Edisto Beach, including portions of the St. Johns River…7 to 11 ft
Edisto Beach to South Santee River…4 to 6 ft
Deerfield Beach to Sebastian Inlet…4 to 6 ft
Virginia Key to Deerfield Beach…1 to 3 ft

Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances.
Large waves generated by Matthew will cause water rises to occur well in advance of and well away from the track of the center.
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.  There is a danger of life-threatening inundation during the next 36 hours along the Florida east coast, the Georgia coast, and the South Carolina coast from Deerfield Beach, Florida to Edisto Beach, South Carolina. There is the possibility of life-threatening inundation during the next 48 hours from north of Edisto Beach to South Santee River, South Carolina. For a depiction of areas at risk, please see the Prototype National Weather Service Storm Surge Watch/Warning Graphic. For information specific to your area, please see products issued by your local National Weather Service forecast office. The Prototype Storm Surge Watch/Warning Graphic is a depiction of areas that would qualify for inclusion under a storm surge watch or warning currently under development by the National Weather Service and planned for operational use in 2017.  The Prototype Graphic is available at hurricanes.gov.

RAINFALL:  Matthew is expected to produce total rainfall amounts in the following areas:
The Bahamas…8 to 12 inches, isolated totals of 15 inches
Coastal eastern Florida, Georgia, and South Carolina….4 to 8 inches, isolated 12 inches
The Florida Keys…1 to 3 inches, isolated 5 inches
Eastern Cuba…additional 2 to 4 inches, isolated storm-totals of 20 inches
Central Cuba…additional 2 to 4 inches, isolated storm-totals of 8 inches
Life-threatening flash floods and mudslides are likely in central and eastern Cuba.

TORNADOES: Isolated tornadoes are possible along the Atlantic coastal area of north and central Florida tonight.

SURF:  Swells generated by Matthew will continue to affect portions of the north coast of Cuba and the Bahamas during the next few days, and will spread northward along the east coast of Florida and the southeast U.S. coast through the weekend.  These swells will likely cause life-threatening surf and rip current conditions.  Please consult products from your local weather office.

NEXT ADVISORY
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Next complete advisory at 500 PM EDT.“ -more information can be found at: http://www.nhc.noaa.gov/#MATTHEW

 

2017-02-22T15:13:27+00:00 February 5th, 2016|Uncategorized|