PHYSICS OF A HURRICANE

THE 2007 ATLANTIC BASIN HURRICANE SEASON

(Almost the Same Names as for the 2013 Season)

PHYSICS OF A HURRICANE

PHYSICAL PHENOMENA ASSOCIATED WITH SEVERE WINDSTORMS

STORM SURGE STRONG WIND FIELD WIDESPREAD RAIN BANDS FLOODING COASTAL EROSION LANDSLIDES

SEVERE WINDSTORMS: 2007 SEASON

TROPICAL STORM ANDREA: MAY 9-11, 2007

PATH OF TROPICAL STORM ANDREA: MAY 9-11, 2007

TROPICAL STORM BARRY: JUNE 1-2

TROPICAL STORM BARRY: JUNE 2

PROVIDED FLORIDA WITH MUCH NEEDED RAIN.

TROPICAL STORM CHANTAL: BAHAMAS, 31 JULY – 1 AUGUST

PATH OF TROPICAL STORM CHANTAL: 31 JULY – 1 AUGUST

CAT 5 HURRICANE DEAN: PRESSURE = 918; 13-23 AUGUST

PATH OF HURRICANE DEAN: AUGUST 13 – AUGUST 23

HURRICANE DEAN BECOMES TROPICAL DEPRESSION: AUG 23

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.

PROJECTED STORM TRACK: AUGUST 17, 2007

A CATEGORY 4 STORM ON AUGUST 18

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

FORT DE FRANCE, MARTINIQUE: WIND AND RAIN

FORT DE FRANCE, MARTINIQUE: ROOF DAMAGE

FORT DE FRANCE, MARTINIQUE: FLOODING

FORT DE FRANCE, MARTINIQUE: FLOODING

FORT DE FRANCE, MARTINIQUE: FLOODING

FORT DE FRANCE, MARTINIQUE: FLOODING

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.

DAMAGE IN SAIMT LUCIA

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.

BARBADOS: PREPARATION FOR HURRICANE DEAN

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.

HURRICANE DEAN: DOWNED TREE IN HAITI

A CAT 4 STORM WITH WINDS OF 150 MPH: AUGUST 18

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

KINGSTON, JAMAICA: PREPARATION FOR DEAN

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.

PREPARATION IN PEDERNALES: EVACUEES IN A CHURCH SHELTER

JAMAICA: STORM SURGE DESTROYED HOUSE

FLOODING, LANDSLIDES, AND DEBRIS IN KINGSTON, JAMAICA

TROPICAL STORM ERIN: 15-19 AUGUST

PATH OF TROPICAL STORM ERIN: 13 – 19 AUGUST

ERIN BEFORE LANDFALL IN TEXAS ON AUGUST 19, 2007

TROPICAL STORM ERIN: FLOODS IN HOUSTON

TROPICAL STORM ERIN SOAKS SAN ANTONIO, TX

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

PATH OF HURRICANE FELIX: AUGUST 31 – SEPTEMBER 5

TROPICAL STORM GABRIELLE: NORTH CAROLINA; 8 – 11 SEPT

CAT 1 HURRICANE HUMBERTO: TX-LA; 12-14 SEPTEMBER

PATH OF HURRICANE HUMBERTO:12-14 SEPTEMBER

TROPICAL STORM INGRID: LESSER ANTILLES; 12-14 SEPT

PATH OF TROPICAL STORM INGRID: 12-14 SEPTEMBER

TROPICAL STORM JERRY: 22-25 SEPTEMBER

PATH OF TROPICAL STORM KAREN: 25-29 SEPTEMBER

CAT 1 HURRICANE LORENZO: MEXICO; 25-28 SEPTEMBER

TROPICAL STORM MELISSA: 28 SEPTEMBER -

TROPICAL STORM NOEL 235 MILES SW OF NASSAU: OCT 31, 2007

TROPICAL STORM NOEL: HAITI, OCT 30, 2007

TROPICAL STORM NOEL: DOMINICAN REPUBLIC: OCT 31

TROPICAL STORM OLGA HEADS TOWARDS JAMAICA: DEC 11, 2007