24 2 FRONTS Fronts When 2 air masses
![24 -2 FRONTS 24 -2 FRONTS](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-1.jpg)
![Fronts �When 2 air masses meet density differences keep them separate �Front- boundary between Fronts �When 2 air masses meet density differences keep them separate �Front- boundary between](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-2.jpg)
![](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-3.jpg)
![](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-4.jpg)
![Cold Front �Cold air mass overtakes a warm air mass �Cold air lift warm Cold Front �Cold air mass overtakes a warm air mass �Cold air lift warm](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-5.jpg)
![�Squall line – long line of heavy thunderstorms �Squall line – long line of heavy thunderstorms](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-6.jpg)
![Warm Front �Front edge of an advancing warm air mass �Cold mass retreats from Warm Front �Front edge of an advancing warm air mass �Cold mass retreats from](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-7.jpg)
![Stationary Front �Fronts either move very slow or don’t move Stationary Front �Fronts either move very slow or don’t move](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-8.jpg)
![Occluded Front �Cold air mass overtakes warm air mass �Lift warm air up above Occluded Front �Cold air mass overtakes warm air mass �Lift warm air up above](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-9.jpg)
![Polar Front �Cold polar air meets warm tropical air Polar Front �Cold polar air meets warm tropical air](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-10.jpg)
![Midlatitude Cyclone �Low pressure �Rotating wind �Moves towards the rising air of central low Midlatitude Cyclone �Low pressure �Rotating wind �Moves towards the rising air of central low](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-11.jpg)
![Midlatitude Cyclone Stages Midlatitude Cyclone Stages](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-12.jpg)
![Anticyclone �Air sinks and flows outward from a center of high pressure �Clockwise in Anticyclone �Air sinks and flows outward from a center of high pressure �Clockwise in](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-13.jpg)
![Thunderstorms �Heavy storm with rain, thunder, lightning, and winds � 3 stages: 1. Cumulus Thunderstorms �Heavy storm with rain, thunder, lightning, and winds � 3 stages: 1. Cumulus](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-14.jpg)
![Lightning �Clouds discharge electricity �Rapid expansion of air – thunder �Lightning fun facts! Lightning �Clouds discharge electricity �Rapid expansion of air – thunder �Lightning fun facts!](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-15.jpg)
![Hurricanes �Tropical oceans � 120 mph winds in a spiral �Intense low pressure Hurricanes �Tropical oceans � 120 mph winds in a spiral �Intense low pressure](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-16.jpg)
![](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-17.jpg)
![�Winds increase towards the center – eye �Eye – calm sinking air �Storms surge �Winds increase towards the center – eye �Eye – calm sinking air �Storms surge](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-18.jpg)
![](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-19.jpg)
![Safir-Simpson Scale Safir-Simpson Scale](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-20.jpg)
![Tornadoes �Rotating column of air �High winds �Funnel-shaped � 400 km/hr �Thunderstorm meets a Tornadoes �Rotating column of air �High winds �Funnel-shaped � 400 km/hr �Thunderstorm meets a](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-21.jpg)
![](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-22.jpg)
![Tornado Alley Tornado Alley](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-23.jpg)
- Slides: 23
![24 2 FRONTS 24 -2 FRONTS](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-1.jpg)
24 -2 FRONTS
![Fronts When 2 air masses meet density differences keep them separate Front boundary between Fronts �When 2 air masses meet density differences keep them separate �Front- boundary between](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-2.jpg)
Fronts �When 2 air masses meet density differences keep them separate �Front- boundary between air masses � 100’s to 1, 000’s of miles wide
![](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-3.jpg)
![](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-4.jpg)
![Cold Front Cold air mass overtakes a warm air mass Cold air lift warm Cold Front �Cold air mass overtakes a warm air mass �Cold air lift warm](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-5.jpg)
Cold Front �Cold air mass overtakes a warm air mass �Cold air lift warm air up �Short lived �Violent
![Squall line long line of heavy thunderstorms �Squall line – long line of heavy thunderstorms](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-6.jpg)
�Squall line – long line of heavy thunderstorms
![Warm Front Front edge of an advancing warm air mass Cold mass retreats from Warm Front �Front edge of an advancing warm air mass �Cold mass retreats from](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-7.jpg)
Warm Front �Front edge of an advancing warm air mass �Cold mass retreats from an area �Precipitation over a large area
![Stationary Front Fronts either move very slow or dont move Stationary Front �Fronts either move very slow or don’t move](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-8.jpg)
Stationary Front �Fronts either move very slow or don’t move
![Occluded Front Cold air mass overtakes warm air mass Lift warm air up above Occluded Front �Cold air mass overtakes warm air mass �Lift warm air up above](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-9.jpg)
Occluded Front �Cold air mass overtakes warm air mass �Lift warm air up above
![Polar Front Cold polar air meets warm tropical air Polar Front �Cold polar air meets warm tropical air](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-10.jpg)
Polar Front �Cold polar air meets warm tropical air
![Midlatitude Cyclone Low pressure Rotating wind Moves towards the rising air of central low Midlatitude Cyclone �Low pressure �Rotating wind �Moves towards the rising air of central low](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-11.jpg)
Midlatitude Cyclone �Low pressure �Rotating wind �Moves towards the rising air of central low pressure regions
![Midlatitude Cyclone Stages Midlatitude Cyclone Stages](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-12.jpg)
Midlatitude Cyclone Stages
![Anticyclone Air sinks and flows outward from a center of high pressure Clockwise in Anticyclone �Air sinks and flows outward from a center of high pressure �Clockwise in](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-13.jpg)
Anticyclone �Air sinks and flows outward from a center of high pressure �Clockwise in NH �Dry weather
![Thunderstorms Heavy storm with rain thunder lightning and winds 3 stages 1 Cumulus Thunderstorms �Heavy storm with rain, thunder, lightning, and winds � 3 stages: 1. Cumulus](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-14.jpg)
Thunderstorms �Heavy storm with rain, thunder, lightning, and winds � 3 stages: 1. Cumulus – warm moist air rises � 2. Mature – dark cumulonimbus (heavy rain) � 3. Dissipating - end
![Lightning Clouds discharge electricity Rapid expansion of air thunder Lightning fun facts Lightning �Clouds discharge electricity �Rapid expansion of air – thunder �Lightning fun facts!](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-15.jpg)
Lightning �Clouds discharge electricity �Rapid expansion of air – thunder �Lightning fun facts!
![Hurricanes Tropical oceans 120 mph winds in a spiral Intense low pressure Hurricanes �Tropical oceans � 120 mph winds in a spiral �Intense low pressure](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-16.jpg)
Hurricanes �Tropical oceans � 120 mph winds in a spiral �Intense low pressure
![](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-17.jpg)
![Winds increase towards the center eye Eye calm sinking air Storms surge �Winds increase towards the center – eye �Eye – calm sinking air �Storms surge](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-18.jpg)
�Winds increase towards the center – eye �Eye – calm sinking air �Storms surge – rising sea level
![](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-19.jpg)
![SafirSimpson Scale Safir-Simpson Scale](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-20.jpg)
Safir-Simpson Scale
![Tornadoes Rotating column of air High winds Funnelshaped 400 kmhr Thunderstorm meets a Tornadoes �Rotating column of air �High winds �Funnel-shaped � 400 km/hr �Thunderstorm meets a](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-21.jpg)
Tornadoes �Rotating column of air �High winds �Funnel-shaped � 400 km/hr �Thunderstorm meets a high altitude horizontal wind
![](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-22.jpg)
![Tornado Alley Tornado Alley](https://slidetodoc.com/presentation_image_h2/02dc6f2e613e2ac7eae9264a8abc552a/image-23.jpg)
Tornado Alley
Air masses in north america
Air masses and fronts
Air masses notes
Why are cold fronts steeper than warm fronts
Air masses & frontswhat is an air mass?
Air masses & frontswhat is an air mass?
Air masses & frontswhat is an air mass?
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Maritime tropical air mass symbol
Stationary front
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Front
Weather depression
Cyclogenesis occurs along the________.
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Air masses
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Air mass drawings
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Continental polar symbol
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Air masses