Current Tropical Weather Discussion
OCHA Situation Report No. 1 Dominican Republic: Tropical
Storm Olga 13 December 2007
December 12, 2007 -- Olga Degenerating Into A Broad Area Of Low Pressure With A Few Squalls... At 1000 PM EST the center of Tropical Depression Olga was located near latitude 18.9 north - longitude 77.6 west or about 80 miles northwest of Kingston Jamaica and about 235 miles east of Grand Cayman. The depression has slowed down and is now moving toward the west near 13 mph. This general motion is expected to continue during the next 24 to 36 hours. Maximum sustained winds are near 30 mph, with higher gusts confined to a few squalls north of the center. The depression is expected to become a remnant low within the next 12 hours or so. Estimated minimum central pressure is (1008 mb) 29.77 inches. Olga is expected to produce additional rainfall accumulations of 1 to 2 inches over the southeastern Bahamas, eastern Cuba, Jamaica and Hispaniola. These rains could produce life-threatening flash floods and mud slides. This is the last public advisory issued by the national hurricane center on this system unless regeneration occurs. Additional information on this system can be found in high seas forecasts issued by the National Weather Service, under awips header nfdhsfat1 and wmo header fznt01 kwbc. |
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Olga weakens to a depression...
At 4 PM EST the government of the Bahamas has discontinued all tropical storm warnings. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local weather office.
At 400 PM EST the center of Tropical Depression Olga was located near latitude 18.9 north - longitude 76.9 west or about 65 miles north of Kingston Jamaica and about 280 miles of Grand Cayman. The depression is moving toward the west near 23 mph...and this general motion is expected to continue for the next 24 hours. Maximum sustained winds are near 35 mph, with higher gusts. Olga could degenerate into a remnant low tonight. Estimated minimum central pressure is (1007 mb) 29.74 inches. Olga is expected to produce additional rainfall accumulations of 1 to 2 inches over the southeastern Bahamas. Rainfall amounts of 2 to 4 inches are possible over eastern Cuba, with isolated maximum accumulations of 8 inches. Additional rainfall amounts of 1 to 2 inches are possible over Hispaniola, with isolated storm total amounts of 10 inches. These rains are expected to produce life-threatening flash floods and mud slides in Hispaniola.A tropical storm warning remains in effect for the southeastern Bahamas and the Turks and Caicos Islands. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local weather office.
At 100 PM EST the center of Tropical Storm Olga was located near latitude 19.0 north - longitude 76.0 west or about 85 miles southwest of Guantanamo Cuba. Olga is moving toward the west near 23 mph and this motion is expected to continue for the next 24 hours. Maximum sustained winds are near 40 mph, with higher gusts. These winds are mainly confined to a few bands well to the northeast of the center. Olga could dissipate as a tropical cyclone later today. Tropical storm force winds extend outward up to 345 miles to the northeast of the center. Estimated minimum central pressure is (1009 mb) 29.80 inches. Olga is expected to produce additional rainfall accumulations of 1 to 2 inches over the southeastern Bahamas. Rainfall amounts of 2 to 4 inches are possible over eastern Cuba, with isolated maximum accumulations of 8 inches. Rainfall amounts of 4 to 6 inches are possible over Hispaniola, with isolated maximum amounts of 10 inches. These rains are expected to produce life-threatening flash floods and mud slides in Hispaniola.A tropical storm warning remains in effect along the northern coast of Hispaniola from Cabo Engano in the Dominican Republic to Le Mole St. Nicholas Haiti. A tropical storm watch remains in effect for the southern coast of the Dominican Republic from Cabo Engano to Punta Palenque. These warnings and watches will likely be discontinued later today. A tropical storm warning remains in effect for the southeastern Bahamas and the Turks and Caicos Islands. Tropical storm conditions are possible over portions of eastern Cuba today. Interests in Jamaica and the Cayman Islands should monitor the progress of Olga. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local weather office.
At 800 AM AST the center of Tropical Storm Olga was located near latitude 19.3 north - longitude 73.8 west or about 65 miles south-southeast of the eastern tip of Cuba, and about 110 miles west-northwest of Port Au Prince Haiti. Olga is moving toward the west near 19 mph, and this motion is expected to continue for the next 24 hours. This motion should bring the center of Olga near the southern coast of eastern Cuba today. Maximum sustained winds have decreased to near 45 mph, with higher gusts. Satellite imagery indicates that Olga has become disorganized, and further weakening is forecast during the next 24 hours. Olga could weaken to a tropical depression later today. Tropical storm force winds extend outward up to 260 miles over water to the north and east of the center. Turks island recently reported sustained winds of 38 mph. Estimated minimum central pressure is (1007 mb) 29.74 inches. Olga is expected to produce additional rain accumulations of 1 to 2 inches over Puerto Rico and the southeastern Bahamas, with isolated maximum storm total amounts of 12 inches over Puerto Rico. Rainfall amounts of 4 to 6 inches are possible over Hispaniola with possible isolated maximum totals of 10 inches. These rains are expected to produce life-threatening flash floods and mudslides in Puerto Rico and Hispaniola. Rainfall amounts of 2 to 4 inches are possible over eastern Cuba with possible isolated maximum totals of 10 inches.A tropical storm warning remains in effect along the northern coast of Hispaniola from Cabo Engano in the Dominican Republic to Le Mole St. Nicholas Haiti. A tropical storm watch remains in effect for the southern coast of the Dominican Republic from Cabo Engano to Punta Palenque. These warnings and watches will likely be discontinued later today. A tropical storm warning remains in effect for the southeastern bahamas and the turks and caicos islands. Tropical storm conditions are possible over portions of eastern Cuba today. Interests in Jamaica and the Cayman Islands should monitor the progress of Olga. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local weather office.
At 500 AM AST the center of Tropical Storm Olga was located near latitude 19.2 north - longitude 72.5 west or about 45 miles north-northwest of port au prince Haiti and about 130 miles east-southeast of the eastern tip of Cuba. Olga is moving toward the west near 18 mph, and this motion is expected to continue for the next 24 hours. This motion should bring the center of Olga over the Caribbean Sea between Haiti and Cuba this morning...and near the southern coast of eastern Cuba later today. Maximum sustained winds are near 50 mph, with higher gusts. Weakening is forecast during the next 24 hours, and Olga could weaken to a tropical depression later today or tonight. Tropical storm force winds extend outward up to 260 miles over water to the north and east of the center. Estimated minimum central pressure is (1006 mb) 29.71 inches. Olga is expected to produce additional rain accumulations of 1 to 2 inches over Puerto Rico and the southeastern Bahamas, with isolated maximum storm total amounts of 12 inches over Puerto Rico. Rainfall amounts of 4 to 6 inches are possible over Hispaniola with possible isolated maximum totals of 10 inches. These rains are expected to produce life-threatening flash floods and mudslides in Puerto Rico and Hispaniola. Rainfall amounts of 2 to 4 inches are possible over eastern Cuba with possible isolated maximum totals of 10 inches.A tropical storm warning remains in effect along the northern coast of Hispaniola from Cabo Engano in the Dominican Republic to Le Mole St. Nicholas Haiti. A tropical storm warning remains in effect for the southeastern Bahamas and the Turks and Caicos Islands. A tropical storm watch remains in effect for the southern coast of the Dominican Republic from Cabo Engano to Punta Palenque. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local weather office.
At 200 AM AST the center of Tropical Storm Olga was located inland over Hispaniola near latitude 19.0 north...longitude 71.4 west or about 65 miles east-northeast of port-au-prince Haiti and about 195 miles east-southeast of the eastern tip of Cuba. Olga is moving toward the west near 16 mph and this general motion is expected to continue during the next 24 hours. On this track...the center of a weaker Olga should move over the Windward Passage later today and then over the waters between Cuba and Jamaica. Surface observations indicate that maximum sustained winds have decreased to near 50 mph, with higher gusts. Olga is expected to weaken to a tropical depression during the next 24 hours. Tropical storm force winds extend outward up to 240 miles to the north and east of the center. Estimated minimum central pressure is (1005 mb) 29.68 inches. Olga is expected to produce additional rain accumulations of 2 to 4 inches over Puerto Rico and the southeastern Bahamas, with isolated maximum storm total amounts of 12 inches over Puerto Rico. Rainfall amounts of 4 to 6 inches are possible over Hispaniola with possible isolated maximum totals of 10 inches. These rains are expected to produce life-threatening flash floods and mudslides in Puerto Rico and Hispaniola.December 11, 2007 -- Olga Traversing Hispaniola Producing Heavy Rains...
A tropical storm warning remains in effect along the northern coast of Hispaniola from Cabo Engano in the Dominican Republic to Le Mole St. Nicholas Haiti. A tropical storm warning remains in effect for the southeastern Bahamas and the Turks and Caicos Islands. A tropical storm watch remains in effect for the southern coast of the Dominican Republic from Cabo Engano to Punta Palenque. For storm information specific to your area...including possible inland watches and warnings...please monitor products issued by your local weather office.
At 1100 PM AST the center of Tropical Storm Olga was located inland over Hispaniola near latitude 19.0 north - longitude 70.6 west or about 55 miles northwest of Santo Domingo in the Dominican Republic and about 250 miles east-southeast of the eastern tip of Cuba. Olga is moving toward the west near 15 mph and this general motion is expected to continue during the next 24 hours. On this track, the center of a weaker Olga should move over the Windward Passage and then over the waters between Cuba and Jamaica late Wednesday. Maximum sustained winds are near 60 mph, with higher gusts. Olga is expected to weaken to a tropical depression during the next 24 hours. Tropical storm force winds extend outward up to 240 miles to the north and east of the center. Estimated minimum central pressure is (1004 mb) 29.65 inches. Olga is expected to produce additional rain accumulations of 2 to 4 inches over Puerto Rico and the southeastern Bahamas, with isolated maximum storm total amounts of 12 inches over Puerto Rico. Rainfall amounts of 4 to 6 inches are possible over Hispaniola with possible isolated maximum totals of 10 inches. These rains are expected to produce life-threatening flash floods and mudslides in Puerto Rico and Hispaniola.A tropical
storm warning remains in effect along the northern coast of Hispaniola from Cabo
Engano in the Dominican Republic to Le Mole St. Nicholas Haiti. A tropical storm warning remains in effect
for the southeastern Bahamas and the Turks and Caicos Islands. A tropical storm watch remains in effect for
the southern coast of the Dominican Republic from Cabo Engano to Punta Palenque.
For storm information specific to your
area...including possible inland watches and warnings...please monitor products
issued by your local weather office. Data
from a hurricane hunter plane indicate that the stronger winds are now closer
to the center suggesting that Olga has transitioned to a tropical storm.
A tropical
storm warning remains in effect along the northern coast of Hispaniola from
Cabo Engano in the Dominican Republic to Le Mole St. Nicholas Haiti. A tropical storm warning remains in effect for
the southeastern Bahamas and the Turks and Caicos Islands. A tropical storm watch remains in effect for
the southern coast of the Dominican Republic from Cabo Engano to Punta
Palenque. For storm information
specific to your area, including possible inland watches and warnings, please
monitor products issued by your local weather office.
At 2 PM AST
the government of the Bahamas has issued a tropical storm warning for the
southeastern Bahamas and for the Turks and Caicos Islands. A tropical storm warning remains in effect
along the northern coast of Hispaniola from Cabo Engano in the Dominican
Republic to Le Mole St. Nicholas Haiti.
A tropical storm watch remains in effect for the southern coast of the
Dominican Republic from Cabo Engano to Punta Palenque. For storm information specific to your
area, including possible inland watches and warnings, please monitor products
issued by your local weather office.
At 200 PM
AST the center of Subtropical Storm Olga was located near latitude 18.5 north -
longitude 68.4 west or along the coast at the easternmost tip of the Dominican
Republic near Punta Cana. This position
is also about 85 miles east of Santo Domingo.
Over the past several hours Olga has been moving to the west- northwest
at 10 mph, but a return to a westward track is expected over the next 24
hours. The center of Olga is expected
to be near or over the island of Hispaniola for much of the next 24 hours. Maximum sustained winds are near 45 mph,
with higher gusts. Slow weakening is
expected over the next day or so.
Olga's strongest winds are located well away from the center of circulation...which
is a characteristic of subtropical cyclones. Winds of 40 mph extend outward up
to 275 miles to the north and northeast
of the center. Estimated minimum
central pressure is (1005 mb) 29.68 inches.
Olga is expected to produce additional rain accumulations of 2 to 4
inches over Puerto Rico and the Virgin Islands...with isolated maximum storm
total amounts of 12 inches over Puerto Rico. Rainfall amounts of 4 to 6 inches
are possible over Hispaniola with possible isolated maximum totals of 10 inches.
These rains have already produced life-threatening flash floods and mudslides
in Puerto Rico.
December 11, 2007 -- Warning Extended Westward
Along The North Coast Of Hispaniola...
At 11 AM
AST a tropical storm warning has been issued for the north coast of Haiti from
the border with the Dominican Republic westward to Le Mole St. Nicholas at the
northwestern tip of Haiti. A tropical
storm warning is now in effect along the northern coast of Hispaniola from Cabo
Engano in the Dominican Republic to Le Mole St. Nicholas Haiti. A tropical storm watch remains in effect
for the southern coast of the Dominican Republic from Cabo Engano to Punta
Palenque. A tropical storm watch or
warning may be required for the southeastern Bahamas and the Turks and Caicos
Islands later today. For storm
information specific to your area...including possible inland watches and
warnings...please monitor products issued by your local weather office.
At 1100 AM AST the center of Subtropical Storm Olga was located near latitude 18.1 north - longitude 68.0 west or about 130 miles east-southeast of Santo Domingo in the Dominican Republic and about 125 miles west of San Juan Puerto Rico. Olga is moving just south of due west near 15 mph, and this general motion is expected to continue for the next 24 hours. On the forecast track...the center of Olga is expected to pass very close to the southern coast of the Dominican Republic later today. Maximum sustained winds are near 45 mph, with higher gusts. Little change in strength is expected today...but some weakening is likely tomorrow as Olga encounters strong upper-level winds. Olga's strongest winds are located well away from the center of circulation, which is a characteristic of subtropical cyclones. Winds of 40 mph extend outward up to 275 miles to the north and northeast of the center. NOAA buoy 41043, about 270 miles from the center, recently reported a sustained wind of 40 mph with a gust to 54 mph. Estimated minimum central pressure is (1005 mb) 29.68 inches. Olga is expected to produce additional rain accumulations of 2 to 4 inches over Puerto Rico and the Virgin Islands...with isolated maximum storm total amounts of 12 inches over Puerto Rico. Rainfall amounts of 4 to 6 inches are possible over Hispaniola with possible isolated maximum totals of 10 inches. These rains have already produced life-threatening flash floods and mudslides in Puerto Rico.
December 11, 2007 Center Of
Olga Now Just West Of Puerto Rico Over The Mona Passage......
Rainbands
Beginning To Spread Across Portions Of The Dominican Republic...
A tropical
storm warning remains in effect for the northern coast of the Dominican
Republic from Cabo Engano westward to Bahio De Manzanillo at the border with Haiti...and
a tropical storm watch remains in effect for the southern coast of the Dominican
Republic from Cabo Engano to Punta Palenque southwest of santo domingo. Interests in Haiti should continue to monitor
the progress of Olga, especially due to the potential for life-threatening
flash floods and mud slides. For storm
information specific to your area, including possible inland watches and
warnings, please monitor products issued by your local weather office.
At 1100 PM
AST the government of the Dominican Republic has issued a tropical storm
warning for the northern coast of the Dominican Republic from Cabo Engano westward
to Bahio De Manzanillo at the border of the Dominican Republic and Haiti, and a
tropical storm watch for the southern coast of the Dominican Republic from Cabo
Engano to Punta Palenque southwest of Santo Domingo. Interests in Puerto Rico and
the Virgin Islands should monitor the progress of Olga. For
storm information specific to your area, including possible inland watches and
warnings, please monitor products issued by your local weather office.