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Thunderstorms
 Thunderstorms are storms with lightning and thunder. Tornadoes can also form during thunderstorms.
 Lightning is static        When the difference is  electricity.               large enough, the Negatively charged    ...
 1. Cumulus Stage Rising humid air   forms  a cumulus cloud. The condensation  continues. The updraft  keeps the rain p...
At a Cold Front               Within an Air Mass Air is forced up quickly.    Uneven heating can This creates a        ...
 A tornado is a violently rotating column of air  stretching from a cloud to the ground. You cannot see the air moving....
 More tornadoes occur in  North America than any  other place in the world. Warm air from the Gulf  of Mexico moves nort...
 Most tornadoes   Small; last only a few minutes   May break branches or ruin billboards 20% of tornadoes   Knock ove...
 The path of the tornado  is impossible to predict. The tornado moves at  the same pace as the  thunderstorm it is  atta...
 The National Weather  Service issues a “tornado  watch” when conditions  are right to form  tornadoes. A “tornado warni...
Severe weather thunderstormandtornado
Severe weather thunderstormandtornado
Severe weather thunderstormandtornado
Severe weather thunderstormandtornado
Severe weather thunderstormandtornado
Severe weather thunderstormandtornado
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Severe weather thunderstormandtornado

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Severe weather thunderstormandtornado

  1. 1. Thunderstorms
  2. 2.  Thunderstorms are storms with lightning and thunder. Tornadoes can also form during thunderstorms.
  3. 3.  Lightning is static  When the difference is electricity. large enough, the Negatively charged particles try to connect particles gather in the to each other. cloud. Positively charged particles gather on the ground.
  4. 4.  1. Cumulus Stage Rising humid air forms a cumulus cloud. The condensation continues. The updraft keeps the rain particles in the cloud. The cloud continues building into a cumulonimbus cloud.
  5. 5. At a Cold Front Within an Air Mass Air is forced up quickly.  Uneven heating can This creates a cause convection cumulonimbus cloud thunderstorms. quickly.  Remember convection is the rising and falling of air in a cycle.
  6. 6.  A tornado is a violently rotating column of air stretching from a cloud to the ground. You cannot see the air moving. What you DO see is the things that the tornado has picked up or water droplets.
  7. 7.  More tornadoes occur in North America than any other place in the world. Warm air from the Gulf of Mexico moves north and meets cold air masses.
  8. 8.  Most tornadoes  Small; last only a few minutes  May break branches or ruin billboards 20% of tornadoes  Knock over large trees  Lift cars up 1% of tornadoes  Completely demolish sturdy buildings
  9. 9.  The path of the tornado is impossible to predict. The tornado moves at the same pace as the thunderstorm it is attached to.
  10. 10.  The National Weather Service issues a “tornado watch” when conditions are right to form tornadoes. A “tornado warning” is issued when a tornado has been detected.

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