Lo 13-severeweather

Earth’s Atmosphere Earth’s Atmosphere and Oceansand Oceans

Lecture Outline #13Lecture Outline #13

Severe WeatherSevere Weather

Thunderstorm Thunderstorm frequencyfrequency

Thunderstorms near Sao Thunderstorms near Sao Paulo, BrazilPaulo, BrazilPhoto:chabotspace.orgPhoto:chabotspace.org

Flash FloodingFlash Flooding

Hail Hail

http://www.youtube.com/watch?http://www.youtube.com/watch?v=3jKrENognvov=3jKrENognvo

Hail Storm in TexasHail Storm in Texas Hail on WindshieldHail on Windshield

LightningLightningphotos: noaaphotos: noaa

Storm Chasers (6 minutes)Storm Chasers (6 minutes)

Photo:Photo: blackhillsweather.comblackhillsweather.com

Multi-cellMulti-cell

Photo: NSSLPhoto: NSSL

SupercellSupercellphoto: NSSLphoto: NSSL

MesocycloneMesocyclone

2-6 miles across2-6 miles across

TornadoesTornadoes

TornadoesTornadoesteacher.scholastic.comteacher.scholastic.com

Photos: noaa, weathernotebook.orgPhotos: noaa, weathernotebook.org

WaterspoutsWaterspouts

Mechanicville, NYMechanicville, NY

MechanicvilleMechanicville

March 12, 2006 - March 12, 2006 - KansasKansas

Tornado frequencyTornado frequency

When?When?Photo: nsslPhoto: nssl

Fujita ScaleFujita Scaletornadoproject.comtornadoproject.com

HurricanesHurricanes

Northern Northern vs. vs. Southern Southern HemispherHemispheree

1 > 74 mph1 > 74 mph5 > 155 mph5 > 155 mph

Damage by Storm Damage by Storm SurgeSurge Gulfport, Mississippi during Gulfport, Mississippi during

KatrinaKatrina

Inland FloodingInland Flooding

Irene in Phoencia, part 1Irene in Phoencia, part 1 Irene in PhoeniciaIrene in Phoenicia

Hurricane TrackingHurricane Tracking