Download
1 / 62
620 likes | 623 Vues
THE 2007 ATLANTIC BASIN HURRICANE SEASON (Almost the Same Names as for the 2013 Season). Walter Hays, Global Alliance for Disaster Reduction, Vienna, Virginia, USA . PHYSICS OF A HURRICANE. PHYSICAL PHENOMENA ASSOCIATED WITH SEVERE WINDSTORMS. STORM SURGE STRONG WIND FIELD
E N D
THE 2007 ATLANTIC BASIN HURRICANE SEASON(Almost the Same Names as for the 2013 Season) Walter Hays, Global Alliance for Disaster Reduction, Vienna, Virginia, USA
PHYSICAL PHENOMENA ASSOCIATED WITH SEVERE WINDSTORMS • STORM SURGE • STRONG WIND FIELD • WIDESPREAD RAIN BANDS • FLOODING • COASTAL EROSION • LANDSLIDES
TROPICAL STORM BARRY: JUNE 2 • PROVIDED FLORIDA WITH MUCH NEEDED RAIN.
DETAILS OF DEAN’S STORY Note: The Name “DEAN” was Retired and Replaced with “DORIAN” for the 2013 Season
CARIBBEAN INSURED LOSSES ESTIMATED AT $1.5 TO $3 BILLION • Most of the insured loss of $1.5 to $3 billion calculated by risk modeling company, EQECAT, for Hurricane Dean’s trek through the Caribbean was in Jamaica.
HURRICANE DEAN: A CATEGORY 2-3 STORM ON AUGUST 17 • The eye of hurricane Dean, the first of the North Atlantic season, passed between the Caribbean islands: St. Lucia and Martinique, on Friday,August 17. • The two islands, less than 80 km (50 mi) apart were, were struck with winds of 165 - 200 km per hour (100 - 125 mi per hour), storm surge, and heavy rain.
IMPACTS ON MARTINIQUE • In Martinique, Hurricane Dean ripped roofs from houses, schools, and other buildings. • 100 percent of Martinique’s banana crop and 70 percent of the sugar cane crop were destroyed. • Trees were downed. • Electrical power was knocked out. • Airport were closed. • Tourists in coastal hotels were evacuated. • $270 million damage to infrastructure
IMPACTS ON SAINT LUCIA • In Saint Lucia, Hurricane Dean turned the capital into a messy mixture of flood water and debris. • It ripped corrugated roofs off houses as well as the roof of the pediatric wing of Victoria Hospital. • It forced evacuations.
IMPACTS ON ST. LUCIA • Hurricane Dean’s storm surge breached a protective sea wall, caused flooding, and created mountains of debris. • Downed electrical power poles and lines forced utility companies to shut off electrical power to prevent electrocution. • Loss of communications forced door-to-door warnings.
IMPACTS ON DOMINICA • In Dominica, which is located north of Martinique, Hurricane Dean caused flooding, damaged 150 houses, and downed some fences and trees. • Dominica’s banana crop, a major export, was battered by Dean’s winds and rain.
EXPECTED IMPACTS ON HAITI AND DOMINICAN REPUBLIC • Hurricane Dean was expected to dump 12 cm (5 in) of rain on Hispanola, the location of Haiti and the Dominion Republic. • Haiti and the Dominion Republic are both prone to landslides and flooding, which heavy rainfall will exacerbate.
PREPARATION ON JAMAICA FOR DEAN’S ARRIVAL ON AUGUST 19 • Remembering tropical storm Jeanne in 2004 and expecting a direct hit from Hurricane Dean on Sunday with high winds and up to 50 cm (20 in) of rain, the 3 million residents were advised to began serious preparations.
PREPARATION ON JAMAICA FOR DEAN’S ARRIVAL ON AUGUST 19 • If riding out the storm, the initial actions were to stock up on food and water, to board houses, and tie down loose objects. • If evacuating, to move to shelters, or leave the area.
PREPARATION IN JAMAICA FOR DEAN’S ARRIVAL ON AUGUST 19 • Tourists began going to the airport to leave. • Officials called a halt to campaigning for the elections on August 27th. • 1,000 Hurricane shelters in schools, churches, and indoor sports arenas were opened on August 18th and placed in a state-of-readiness. • But only 47 were fully occupied when the winds and rains began arriving on the 19th.
AFTER DECAYING TO A TROPICAL DEPRESSION, ERIN CONTINUED TO CONTRIBUTE TO FLOODING IN TEXAS AND THE MIDWEST USA 14-23 AUGUST 2007
CAT 5 HURRICANE FELIX: PRESSURE = 929; AUGUST 31 – SEPTEMBER 5
