Types of Severe WEATHER and Fronts

1
Types of Severe WEATHER and Fronts
2
Weather
A daily change in the condition of the atmosphere
3
Our Sun

• The sun provides the
• that is responsible for all of
  Earths weather

ENERGY
4
Types of weather
5
Severe weather
6
Tornado

• A severe storm that forms as rapidly rotating
  funnel cloud.
• The peak season in Tennessee is March May

7
Tropical Storms/Hurricanes

• Low pressure storm with high winds from the ocean

8
Categories of Hurricanes

• 1. 74-95 mph minimal hurricane
• 2. 96-110 mph moderate hurricane
• 3. 111-130 mph extensive hurricane
• 4. 131-155 mph extreme hurricane (Andrew)
• 5. gt155 mph catastrophic hurricane

9
Fronts

• The point where two air masses meet
• Causes change in weather

10
Warm Front

• Warm air mass
• Will rise over cool air mass
• Cause light rain followed by hot humid weather

11
Cold Front

• A cold air mass
• Cold front will push under warm front
• Causes severe weather- heavy rains and
  thunderstorms
• Followed by cool weather

12
Review Questions
13
1.Can you show me a cold front on this map?
14
2. Can you find a warm front on this map?
15
3.What type of weather is the northeast having?
16

• 4. Sharon woke up on a sunny morning and ate
  breakfast. Then she looked outside and saw tall,
  quickly-forming clouds. The clouds looked ready
  to rain. When she turned on the TV, she saw just
  what she thought--a forecast for sudden rains.
  What most likely caused the change in weather?