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BASIC OUTLINES
1. What is Tornado ?
• Defination
• Characteristic
2. Tornado Formation
• Causes of Tornado
3.Type of Tornado
4.Effects of Tornado
• Effects
• Major Tornado events
5.Tornado Mitigation
What is TORNADO ?
• A Tornado is a violently rotating column of air that
extent from a thunderstorm to the ground.
• It’s also called “Twister”.
• These spining columns of wind can take variety of
shapes such as rope ,funnel, cylinders .
• Every tornado must extend downward form
cumulonimbus to ground.
• The funnel shaped tornado that haven’t touched the
ground are called “Funnel Clouds”
TORNADO FORMATION
• Causes of Tornado formation
• Suitable climatic conditions
• Extremely large Thunderstorm
• Supply of wind
• Unstable wind shear
Increasing wind speed
Satage of formation of tornado
• Tornado form where there are large difference in atmospheric
pressure.
• Often results during a mojor storm such as “Supercell”
thunderstorm.
• Supercell is a large rotating thunderstorm which possess
mesocyclone having a ability to updraft massive cloud to rotate
inside .
Formation of horizontal wind shear
• Due to vertical difference in wind speed horizontal
wind shear developes .
• Rotating speed increase with height.
• Supply of air leads to grow big horizontal rotating
• air cylinder.
I am going to participate
Horizontal wind shear
Classification of Tornado
• Weak Tornado
• Strong Tornado
• Violent Tornado
Characteristic Weak Tornado Strong Tornado Violent Tornado
Total Tornado% 88% of all t. 12% of all t. Less than 1%
Wind Speed(mph) 110mph 111mph-165mph >166mph
Life Time 1 - 10+ minutes Upto 20 minutes Exceed 1 hours
Death % About 5% Nearly 25% More than 75%
Damage EF-0 to EF-1 EF-2 to EF-3 EF-4 to EF-5
Others types of Tornado
• Supercell Tornado
• Landspout Tornado
• Gustanado
• Waterspouts
• Dust Devil
• Fire Tornado
Supercell Tornado
• Tornadoes that come from a supercell thunderstorm are the Spercell Tornado.
• A rotating updraft is a key to the development of a supercell, and eventually a
tornado. Once the updraft is rotating and being fed by warm, moist air flowing in at
ground level, a tornado can form.
Landspout Tornado
• The spinning motion originates near the ground. Waterspouts are similar to
landspouts, except they occur over water.
• The spinning motion originates near the ground.
• Waterspouts are similar to landspouts, except they occur over water.
Gustanado
• A gustnado is a shallow surface-based vortex which forms within the
downburst emanating from a thunderstorm.
Waterspouts
• Waterspouts are
tornadoes that form
over water, or move
from land to water.
Dust Devil
• Dust devil, also called sand devil, small, spiningwind occurring most frequently
in the early afternoon when a land surface is heating rapidly.
• Dust devils are occasionally made visible by the full of dust, leaves, or other
loose matter from the surface
Fire Tornado
• Fire tornadoes are vortices of flame and
ash formed through extreme heat,
turbulent winds.
• Hot air generated by the fire flow upward,
and air rushes in from the sides , causing a
horizontal wind.
EFFECTS OF TORNADO
• Loss of Life
• Property Damage
• Effects of Nature
• Lightning
• Psychological
Effects
Loss of Life
• Tornado typically kill 60
to 80 peoples per years &
Injures more than 1500
• Most tornado death ome
from flying or falling
debris .
• The violent Tornado (EF-4
& EF-5) comprises about
2 percentage of all
tornado ,but they
account more than 70%
of tornado death.
Property Damage
• Another significant effects
vof tornado have on
humans is the properties
damege.
• Weak Tornado can take off
building and break
window.
• This can considerable
economic impacts
• In 1999,Oklahoma
suffered about $1.1 billion
properties damage and
crop losses from tornado.
Crops affected by tornado
Building Damaged by Tornado
Effects on Nature
• Tornado have relatively small effects on
overall environment.
• However ,the area where tornado
strikes are greatly impacted.
• Trees & planets are uprooted, &
disease in the soil are spread , wildlife
losses their live and habitats.
• But according to biologist ,it might be
the responsible for certain animals and
plants life spread throughout the
United state ,so they have taken it is as
a positive point of view.
Heavy rain & Lightning
• In many case,tornado comes with lightening strike which causes bush and
forest fire.
Psychological Effects
• Tornado may result in long term mental problems
those who are directly involved in this
incidents,show strong emotional response.
Major Tornado Events
Tornado Alley
• It is a area in central USA where Tornado are most frequent
Tornado Mitigation • Before Tornado
• During Tornado
• After Tornado
Before Tornado
• Make sure all family members know the
tornado safe location in your room.
• Store an emergency kit in your safe
location.
• Identify where to go if you are at work ,
School or College.
• Make a family communication plan.
During Tornado
• Go to the safe location away from windows
on the lowest level of building.
• If you are caught outside get in to car and try
to drive to closest underground shelter.
• Go to the secure home if you’re at mobile
home.
After Tornado
• Beware of downed power line ,Broken
glasses and sharp/dengerous debris.
• Take all the peoples to nearby hospital
those who are injured.
• Avoid heavy damaged area.
• Follow instructions from local officials.
Thanks
Chandan Pradhan , Dharanidhar (auto) College,Keonjhar,Odisha,India,

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Tornado Presentation , Formation of tornado , Causes , Types , Mitigation of tornado

  • 1.
  • 2. BASIC OUTLINES 1. What is Tornado ? • Defination • Characteristic 2. Tornado Formation • Causes of Tornado 3.Type of Tornado 4.Effects of Tornado • Effects • Major Tornado events 5.Tornado Mitigation
  • 3. What is TORNADO ? • A Tornado is a violently rotating column of air that extent from a thunderstorm to the ground. • It’s also called “Twister”. • These spining columns of wind can take variety of shapes such as rope ,funnel, cylinders . • Every tornado must extend downward form cumulonimbus to ground. • The funnel shaped tornado that haven’t touched the ground are called “Funnel Clouds”
  • 4. TORNADO FORMATION • Causes of Tornado formation • Suitable climatic conditions • Extremely large Thunderstorm • Supply of wind • Unstable wind shear
  • 6. Satage of formation of tornado • Tornado form where there are large difference in atmospheric pressure. • Often results during a mojor storm such as “Supercell” thunderstorm. • Supercell is a large rotating thunderstorm which possess mesocyclone having a ability to updraft massive cloud to rotate inside .
  • 7. Formation of horizontal wind shear • Due to vertical difference in wind speed horizontal wind shear developes . • Rotating speed increase with height. • Supply of air leads to grow big horizontal rotating • air cylinder. I am going to participate
  • 9.
  • 10.
  • 11.
  • 12.
  • 13.
  • 14. Classification of Tornado • Weak Tornado • Strong Tornado • Violent Tornado Characteristic Weak Tornado Strong Tornado Violent Tornado Total Tornado% 88% of all t. 12% of all t. Less than 1% Wind Speed(mph) 110mph 111mph-165mph >166mph Life Time 1 - 10+ minutes Upto 20 minutes Exceed 1 hours Death % About 5% Nearly 25% More than 75% Damage EF-0 to EF-1 EF-2 to EF-3 EF-4 to EF-5
  • 15.
  • 16. Others types of Tornado • Supercell Tornado • Landspout Tornado • Gustanado • Waterspouts • Dust Devil • Fire Tornado
  • 17. Supercell Tornado • Tornadoes that come from a supercell thunderstorm are the Spercell Tornado. • A rotating updraft is a key to the development of a supercell, and eventually a tornado. Once the updraft is rotating and being fed by warm, moist air flowing in at ground level, a tornado can form.
  • 18. Landspout Tornado • The spinning motion originates near the ground. Waterspouts are similar to landspouts, except they occur over water. • The spinning motion originates near the ground. • Waterspouts are similar to landspouts, except they occur over water.
  • 19. Gustanado • A gustnado is a shallow surface-based vortex which forms within the downburst emanating from a thunderstorm.
  • 20. Waterspouts • Waterspouts are tornadoes that form over water, or move from land to water.
  • 21. Dust Devil • Dust devil, also called sand devil, small, spiningwind occurring most frequently in the early afternoon when a land surface is heating rapidly. • Dust devils are occasionally made visible by the full of dust, leaves, or other loose matter from the surface
  • 22. Fire Tornado • Fire tornadoes are vortices of flame and ash formed through extreme heat, turbulent winds. • Hot air generated by the fire flow upward, and air rushes in from the sides , causing a horizontal wind.
  • 23. EFFECTS OF TORNADO • Loss of Life • Property Damage • Effects of Nature • Lightning • Psychological Effects
  • 24.
  • 25. Loss of Life • Tornado typically kill 60 to 80 peoples per years & Injures more than 1500 • Most tornado death ome from flying or falling debris . • The violent Tornado (EF-4 & EF-5) comprises about 2 percentage of all tornado ,but they account more than 70% of tornado death.
  • 26. Property Damage • Another significant effects vof tornado have on humans is the properties damege. • Weak Tornado can take off building and break window. • This can considerable economic impacts • In 1999,Oklahoma suffered about $1.1 billion properties damage and crop losses from tornado.
  • 27. Crops affected by tornado
  • 29. Effects on Nature • Tornado have relatively small effects on overall environment. • However ,the area where tornado strikes are greatly impacted. • Trees & planets are uprooted, & disease in the soil are spread , wildlife losses their live and habitats. • But according to biologist ,it might be the responsible for certain animals and plants life spread throughout the United state ,so they have taken it is as a positive point of view.
  • 30. Heavy rain & Lightning • In many case,tornado comes with lightening strike which causes bush and forest fire.
  • 31. Psychological Effects • Tornado may result in long term mental problems those who are directly involved in this incidents,show strong emotional response.
  • 33. Tornado Alley • It is a area in central USA where Tornado are most frequent
  • 34. Tornado Mitigation • Before Tornado • During Tornado • After Tornado
  • 35. Before Tornado • Make sure all family members know the tornado safe location in your room. • Store an emergency kit in your safe location. • Identify where to go if you are at work , School or College. • Make a family communication plan.
  • 36. During Tornado • Go to the safe location away from windows on the lowest level of building. • If you are caught outside get in to car and try to drive to closest underground shelter. • Go to the secure home if you’re at mobile home.
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  • 39. After Tornado • Beware of downed power line ,Broken glasses and sharp/dengerous debris. • Take all the peoples to nearby hospital those who are injured. • Avoid heavy damaged area. • Follow instructions from local officials.
  • 40. Thanks Chandan Pradhan , Dharanidhar (auto) College,Keonjhar,Odisha,India,