TORNADO'S

HOW A TORNADO FORMS

• The formation of a tornado follows clear set of steps
• First there is a change in wind direction and wind speed
• This occurs in the sky and forms invisible horizontal spinning effect
• In the lower atmosphere

HOW TORNADOS FORM

• Next, rising air within the thunderstorm's up drafts
• Tilts the rotating air from horizontal to vertical
• Third, an area of rotation, 3-10km wide is contained
• Within a vast majority of the storm
• Then a lower cloud base in the center of a storm becomes a rotating wall cloud

HOW A TORNADO FORMS

• Lastly, a tornado develops and starts
• To wreak its destruction

CHARACTERISTICS

• Have a wall of clouds, loud roars,
• Dark skies, and large hail

WEAK TORNADOS

• 69% of all tornados
• Less than 5% of tornado deaths
• Lifetime 1-10 mins
• Winds less than 110mph

STRONG TORNADOS

• 29% of all tornados
• Nearly 30% of all tornado deaths
• May last 20 mins or longer
• Winds 110-205mph

VIOLENT

• Only 2% of all tornados
• 70% of all tornado deaths
• Lifetime can exceed 1 hr

NEWCASTLE TORNADO

• Developed in Newcastle OK
• Moore OK got the worst of it
• Was a EF5 tornado

DISTANCE

• The width was 2.6mi
• Traveled 17 miles

DETAILS OF THE STORM

• Wind speeds up to 210mph
• Killed 24 people
• Injured 377 others
• Larger weather system that produced
• several other tornados in the previous two days

DAMAGE DONE

• Estimate of 1,150 houses destroyed
• Estimate of 2 billion dollars damage done
• Hardest hit areas were two elementary schools
• 7 children died
• Moore medical Center was heavily damaged