chapter 11, lesson 7 – air masses and fronts chapter 11, lesson 8 – severe storms
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Chapter 11, Lesson 7 – Air Masses and Fronts Chapter 11, Lesson 8 – Severe Storms. air mass front cold front warm front thunderstorm tornado hurricane storm surge. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Chapter 11, Lesson 7 – Air Masses and Fronts Chapter 11, Lesson 8 – Severe Storms](https://reader035.vdocuments.net/reader035/viewer/2022062323/5681613f550346895dd0aa73/html5/thumbnails/1.jpg)
Chapter 11, Lesson 7 – Air Masses and FrontsChapter 11, Lesson 8 –
Severe Storms
air massfront
cold frontwarm front
thunderstormtornado
hurricanestorm surge
![Page 2: Chapter 11, Lesson 7 – Air Masses and Fronts Chapter 11, Lesson 8 – Severe Storms](https://reader035.vdocuments.net/reader035/viewer/2022062323/5681613f550346895dd0aa73/html5/thumbnails/2.jpg)
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![Page 4: Chapter 11, Lesson 7 – Air Masses and Fronts Chapter 11, Lesson 8 – Severe Storms](https://reader035.vdocuments.net/reader035/viewer/2022062323/5681613f550346895dd0aa73/html5/thumbnails/4.jpg)
cold front – cold air moves in under a warm air mass. Cold fronts often bring brief, heavy storms. There may be thunderstorms and strong winds. After the storm,
the weather is usually cooler and drier.
![Page 5: Chapter 11, Lesson 7 – Air Masses and Fronts Chapter 11, Lesson 8 – Severe Storms](https://reader035.vdocuments.net/reader035/viewer/2022062323/5681613f550346895dd0aa73/html5/thumbnails/5.jpg)
cold front – cold air moves in under a warm air mass. Cold fronts often bring brief, heavy storms. There may be thunderstorms and strong winds. After the storm,
the weather is usually cooler and drier.
![Page 6: Chapter 11, Lesson 7 – Air Masses and Fronts Chapter 11, Lesson 8 – Severe Storms](https://reader035.vdocuments.net/reader035/viewer/2022062323/5681613f550346895dd0aa73/html5/thumbnails/6.jpg)
warm front – warm air moves in over a cold air mass. Warm fronts often bring light, steady rain of snow. The precipitation may last for days. Winds are usually light. Warm front may also bring fog – stratus clouds that form
near the ground. Afterward the weather is usually warmer and more humid.
![Page 7: Chapter 11, Lesson 7 – Air Masses and Fronts Chapter 11, Lesson 8 – Severe Storms](https://reader035.vdocuments.net/reader035/viewer/2022062323/5681613f550346895dd0aa73/html5/thumbnails/7.jpg)
warm front – warm air moves in over a cold air mass. Warm fronts often bring light, steady rain of snow. The precipitation may last for days. Winds are usually light. Warm front may also bring fog – stratus clouds that form
near the ground. Afterward the weather is usually warmer and more humid.
![Page 8: Chapter 11, Lesson 7 – Air Masses and Fronts Chapter 11, Lesson 8 – Severe Storms](https://reader035.vdocuments.net/reader035/viewer/2022062323/5681613f550346895dd0aa73/html5/thumbnails/8.jpg)
warm front – warm air moves in over a cold air mass. Warm fronts often bring light, steady rain of snow. The precipitation may last for days. Winds are usually light. Warm front may also bring fog – stratus clouds that form
near the ground. Afterward the weather is usually warmer and more humid.
![Page 9: Chapter 11, Lesson 7 – Air Masses and Fronts Chapter 11, Lesson 8 – Severe Storms](https://reader035.vdocuments.net/reader035/viewer/2022062323/5681613f550346895dd0aa73/html5/thumbnails/9.jpg)
warm fronts vs. cold fronts
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thunderstorm – the most common type of storm
![Page 11: Chapter 11, Lesson 7 – Air Masses and Fronts Chapter 11, Lesson 8 – Severe Storms](https://reader035.vdocuments.net/reader035/viewer/2022062323/5681613f550346895dd0aa73/html5/thumbnails/11.jpg)
thunderstorm – the most common type of storm
![Page 12: Chapter 11, Lesson 7 – Air Masses and Fronts Chapter 11, Lesson 8 – Severe Storms](https://reader035.vdocuments.net/reader035/viewer/2022062323/5681613f550346895dd0aa73/html5/thumbnails/12.jpg)
tornado – a violent whirling wind that moves across the ground in a narrow path
![Page 13: Chapter 11, Lesson 7 – Air Masses and Fronts Chapter 11, Lesson 8 – Severe Storms](https://reader035.vdocuments.net/reader035/viewer/2022062323/5681613f550346895dd0aa73/html5/thumbnails/13.jpg)
tornado – a violent whirling wind that moves across the ground in a narrow path
![Page 14: Chapter 11, Lesson 7 – Air Masses and Fronts Chapter 11, Lesson 8 – Severe Storms](https://reader035.vdocuments.net/reader035/viewer/2022062323/5681613f550346895dd0aa73/html5/thumbnails/14.jpg)
hurricane – a very large swirling storm with very low pressure at the center
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hurricane – a very large swirling storm with very low pressure at the center
![Page 16: Chapter 11, Lesson 7 – Air Masses and Fronts Chapter 11, Lesson 8 – Severe Storms](https://reader035.vdocuments.net/reader035/viewer/2022062323/5681613f550346895dd0aa73/html5/thumbnails/16.jpg)
hurricane – a very large swirling storm with very low pressure at the center
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storm surge – a great rise of the sea along a shore
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storm surge – a great rise of the sea along a shore