WTNT34 KNHC 041146
HURRICANE MATTHEW INTERMEDIATE ADVISORY NUMBER 25A
NWS NATIONAL HURRICANE CENTER MIAMI FL AL142016
800 AM EDT TUE OCT 04 2016
...EYE OF EXTREMELY DANGEROUS HURRICANE MATTHEW MADE LANDFALL NEAR
LES ANGLAIS IN WESTERN HAITI AT 7 AM EDT THIS MORNING...
SUMMARY OF 800 AM EDT...1200 UTC...INFORMATION
ABOUT 10 MI...15 KM E OF TIBURON HAITI
ABOUT 125 MI...200 KM S OF THE EASTERN TIP OF CUBA
MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/H
PRESENT MOVEMENT...N OR 5 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...934 MB...27.58 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Hurricane Warning is in effect for...
* Cuban provinces of Guantanamo, Santiago de Cuba, Holguin, Granma,
and Las Tunas
* Southeastern Bahamas, including the Inaguas, Mayaguana, Acklins,
Crooked Island, Long Cay, and Ragged Island
* 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
A Hurricane Watch is in effect for...
* Cuban province of Camaguey
A Tropical Storm Warning is in effect for...
* Dominican Republic from Barahona westward to the border with Haiti
* Turks and Caicos Islands
A Tropical Storm Watch is in effect for...
* Dominican Republic from Puerto Plata westward to the border with
Interests elsewhere in Hispaniola and in the Florida Peninsula and
the Florida Keys should monitor the progress of Matthew. Tropical
storm and/or hurricane watches are likely for portions of the
Florida peninsula and Florida Keys later this morning.
For storm information specific to your area, please monitor products
issued by your national meteorological service.
DISCUSSION AND 48-HOUR OUTLOOK
At 800 AM EDT (1200 UTC), the eye of Hurricane Matthew was located
inland Haiti near latitude 18.4 North, longitude 74.2 West. Matthew
made landfall near Les Anglais about 700 AM EDT (1100 UTC). The
hurricane is moving toward the north near 9 mph (15 km/h), and this
general motion is expected to continue today. On this track the eye
of Matthew will be back over water in the Gulf of Gonave in the next
hour or so, and then move over the Windward Passage later this
morning. A turn toward the north-northwest is expected by
Wednesday, followed by a northwest turn Wednesday night. On the
forecast track, the eye of Matthew will move near eastern Cuba later
today, and move near or over portions of the southeastern and
central Bahamas tonight and Wednesday, and approach the northwestern
Bahamas Wednesday night
Maximum sustained winds remain near 145 mph (230 km/h) with
higher gusts. Matthew is a category 4 hurricane on the Saffir-
Simpson Hurricane Wind Scale. Some fluctuations in intensity are
possible during the next couple of days, but Matthew is expected to
remain a powerful hurricane through at least Wednesday night.
Hurricane-force winds extend outward up to 40 miles (65 km) from
the center and tropical-storm-force winds extend outward up to 185
miles (295 km).
The estimated minimum central pressure is 934 mb (27.58 inches).
HAZARDS AFFECTING LAND
WIND: Hurricane conditions are already affecting the southwestern
portion of Haiti, and these conditions will spread northward today.
Hurricane conditions are expected to reach eastern Cuba later today,
the southeastern Bahamas Tuesday evening, the central Bahamas on
Wednesday, and the northwestern Bahamas Wednesday night. Tropical
storm conditions are expected to continue spreading across the
remainder of Haiti today, eastern Cuba later this morning, the
southeastern Bahamas later today, and the central and northwestern
Bahamas Tuesday night and Wednesday, making outside preparations
difficult or dangerous.
Tropical storm conditions are expected in portions of Jamaica and
along the southern coast of the Dominican Republic within the
warning area today, and will spread northward into the Turks
and Caicos Islands tonight.
Hurricane conditions are possible in the hurricane watch areas in
Cuba tonight with tropical storm conditions possible later today.
RAINFALL: Matthew is expected to produce total rainfall amounts in
the following areas:
Southern Haiti and southwestern Dominican Republic...15 to 25
inches, isolated 40 inches
Eastern Cuba and northwestern Haiti...8 to 12 inches, isolated
Eastern Jamaica...4 to 6 inches, isolated 10 inches
The Bahamas...8 to 12 inches, isolated 15 inches
Turks and Caicos Islands...2 to 5 inches, isolated 8 inches
Northeastern Haiti and the Northern Dominican Republic...1 to 3
inches, isolated 5 inches
Western Jamaica...1 to 2 inches, isolated 3 inches
Life-threatening flash floods and mudslides are likely from this
rainfall in southern and northwestern Haiti, the southwestern
Dominican Republic, and eastern Cuba.
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...
Southern Coast of Cuba east of Cabo Cruz...7 to 11 feet
South Coast of Haiti...7 to 10 feet
Northern Coast of Cuba east of Camaguey...4 to 6 feet
Jamaica...2 to 4 feet
Gulf of Gonave in Haiti...3 to 5 feet
Southern coast of the Dominican Republic...1 to 3 feet
The Bahamas...10 to 15 feet
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.
SURF: Swells generated by Matthew will continue to affect portions
of the coasts of Hispaniola, Jamaica, eastern Cuba, and the
Caribbean coastline of Central America during the next few
days. Swells from Matthew will begin affecting portions of the
Bahamas on Tuesday. 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 AM EDT.