Download cold front – cold air moves in under a warm air

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
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.
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.
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.
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.
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.
warm fronts vs. cold fronts
thunderstorm – the most common type of storm
thunderstorm – the most common type of storm
tornado – a violent whirling wind that moves
across the ground in a narrow path
tornado – a violent whirling wind that moves
across the ground in a narrow path
hurricane – a very large swirling storm with very
low pressure at the center
hurricane – a very large swirling storm with very
low pressure at the center
hurricane – a very large swirling storm with very
low pressure at the center
storm surge – a great rise of the sea along a shore
storm surge – a great rise of the sea along a shore
storm surge – a great rise of the sea along a shore