Do Now• Take your seats, power on your laptops

and open the storm pulse website.

• Take out your hurricane paragraphs.

• If you need to hand anything else in you can bring it to the front.

• H.W. Continue collecting data for your hurricane project.

Topic: Hurricanes

• Key terms: Hurricanes

Saffir-Simpson Scale

Eye

Storm surge

http://www.nhc.noaa.gov/refresh/graphics_at3+shtml/143912.shtml?3day?large

http://www.goes.noaa.gov/GIFS/HUIR.JPG

A hurricane is a

• Tropical Storm• Low pressure cyclone• Winds exceeding 74 mph

Where do they form?

Other names for Hurricanes

• Typhoons in Eastern Asia• Cyclones in India• Willy willy in Australia

The Anatomy of a HurricaneKatrina August 28, 2005

Eye

Eye Wall

Spiral Rain Bands

Eye: center of the storm where it is calm, few

clouds.

What is the #1 cause of deaths by hurricanes?

Storm SurgesHurricane storm surge causes approximately

90% of all storm deaths and injuries and much of the damage

Storm Surge

Wind

Storm Surge: rising of sea level due to high winds and waves.

Highest storm

surge: 25 feet

Hurricane Camille, 1969 hit

Pass Christian

Mississippi

T.S. Cindy on Pensacola Beach

The southern shore of Long Island is most vulnerable to storm surge inundation because hurricane landfall will first occur there and the low elevation will allow sea water to move well inland.

• Used to classify hurricanes• Based on wind speeds

Saffir-Simpson Scale

Saffir-Simpson Scale

• Category 1 -- Winds 74-95 mph • Category 2 -- Winds 96-110 mph • Category 3 -- Winds 111-130 mph • Category 4 -- Winds 131-155 mph • Category 5 -- Winds over 155 mph

(these are VERY rare)

House blown away at Pascagoula, Alabama

The Long Island Express

• The 1938 hurricane produced the equivalent $41.5 billion in losses today.

• 600 to 700 people were killed,

• 3500 - 5000 people were injured

• 75,000 buildings were damaged

• 20,000 automobiles destroyed, and 3,000 boats sunk.

Westhampton Beach Damage

Westhampton Beach in 1938

• http://www.27east.com/story_video.cfm?id=5

Do Now• Take your seats, power on your laptops

and open your hurricane notes.

• Take out your hurricane paragraphs.

• If you need to hand anything else in you can bring it to the front.

• H.W. Continue collecting data for your hurricane project.

Naming a Hurricane

2007AndreaBarryChantalDeanErinFelixGabrielleHumbertoIngridJerryKarenLorenzoMelissaNoelOlgaPabloRebekahSebastienTanyaVanWendy

2008ArthurBerthaCristobalDollyEdouardFayGustavHannaIkeJosephineKyleLauraMarcoNanaOmarPalomaReneSallyTeddyVickyWilfred

2009AnaBillClaudetteDannyErikaFredGraceHenriIdaJoaquinKateLarryMindyNicholasOdettePeterRoseSamTeresaVictorWanda

Tropical Storm Katrina, over the Tropical Storm Katrina, over the BahamasBahamas

Hurricane Katrina in Gulf of MexicoHurricane Katrina in Gulf of Mexico

The Hurricane Strengthens…The Hurricane Strengthens…

• Hurricane Katrina Hurricane Katrina becomes a powerful becomes a powerful Category 5 stormCategory 5 storm

• Wind speeds are Wind speeds are now up to 175 mphnow up to 175 mph

• Gulf Coast residents Gulf Coast residents are ordered to are ordered to evacuateevacuate

Infrared Satellite Image of Hurricane KatrinaInfrared Satellite Image of Hurricane Katrina

August 28, 2005.August 28, 2005.

Path of the hurricane through the Gulf of Mexico.Path of the hurricane through the Gulf of Mexico.

Before and AfterBefore and After

Before the flooding caused by Before the flooding caused by levee breaches in New Orleanslevee breaches in New Orleans

After the levees were breached After the levees were breached in New Orleansin New Orleans

Place of Refuge, The SuperdomePlace of Refuge, The Superdome

The The Superdome, Superdome, with parts with parts of the roof of the roof

missingmissing

Flooding Flooding around the around the SuperdomeSuperdome

Places of RefugePlaces of Refuge

Strongest section of a Hurricane

Hurricane Hunterswww.hurricanehunters.com

Hurricane Hunters

Keeping Track

ScenarioWith the increase of number of

hurricanes occurring each year, the potential for a hurricane to strike Long Island has increased. Create a hurricane disaster plan for yourself. What should you, your family and your friends do before a hurricane strikes? During a hurricane? After a hurricane?