TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low...
-
Upload
elijah-hensley -
Category
Documents
-
view
213 -
download
0
Transcript of TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low...
![Page 2: TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low Pressure System This usually means STORMY weather.](https://reader035.fdocuments.net/reader035/viewer/2022070306/55169912550346f6208b49bf/html5/thumbnails/2.jpg)
You need this page & weather maps!
![Page 3: TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low Pressure System This usually means STORMY weather.](https://reader035.fdocuments.net/reader035/viewer/2022070306/55169912550346f6208b49bf/html5/thumbnails/3.jpg)
What Does It All Mean?
The
H stands for a
High Pressure System
This usually means CLEAR
WEATHER.The
L stands for a Low Pressure
SystemThis usually
means STORMY weather.
![Page 4: TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low Pressure System This usually means STORMY weather.](https://reader035.fdocuments.net/reader035/viewer/2022070306/55169912550346f6208b49bf/html5/thumbnails/4.jpg)
Large areas of air that have the same weather, temperature, and humidity.
Weather changes occur as air masses move and interact.
What are Air Masses????
![Page 5: TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low Pressure System This usually means STORMY weather.](https://reader035.fdocuments.net/reader035/viewer/2022070306/55169912550346f6208b49bf/html5/thumbnails/5.jpg)
A front is the boundary between two air masses.
Fronts bring changes in the weather. Because of the wind patterns, they generally move from west to east in the US.
Fronts are named for the air that is behind them.
What are Fronts???
![Page 6: TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low Pressure System This usually means STORMY weather.](https://reader035.fdocuments.net/reader035/viewer/2022070306/55169912550346f6208b49bf/html5/thumbnails/6.jpg)
Cold dense air pushes warm air out of the way.
Cold fronts move very quickly and bring short periods of rain/thunderstorms.
Lower temperatures are behind the front.
SYMBOL – the direction of the “arrows” points towards the direction the front is MOVING.
Cold Front
![Page 8: TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low Pressure System This usually means STORMY weather.](https://reader035.fdocuments.net/reader035/viewer/2022070306/55169912550346f6208b49bf/html5/thumbnails/8.jpg)
On Weather MapHow can you tell which direction the front is
moving from the map?
Cold Fron
t
![Page 9: TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low Pressure System This usually means STORMY weather.](https://reader035.fdocuments.net/reader035/viewer/2022070306/55169912550346f6208b49bf/html5/thumbnails/9.jpg)
Front
Awesome Cold Front Time Lapse! http://www.youtube.com/watch?v=0NoPXm7d5Tc
![Page 10: TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low Pressure System This usually means STORMY weather.](https://reader035.fdocuments.net/reader035/viewer/2022070306/55169912550346f6208b49bf/html5/thumbnails/10.jpg)
Warm air moves up the cold front as it slowly displaces the cold air.
Warm fronts move slowly and can bring many days of steady precipitation.
Higher temperatures are behind the front.
SYMBOL – direction of semicircles is the direction the front is moving.
Warm Front
![Page 11: TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low Pressure System This usually means STORMY weather.](https://reader035.fdocuments.net/reader035/viewer/2022070306/55169912550346f6208b49bf/html5/thumbnails/11.jpg)
![Page 12: TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low Pressure System This usually means STORMY weather.](https://reader035.fdocuments.net/reader035/viewer/2022070306/55169912550346f6208b49bf/html5/thumbnails/12.jpg)
Warm
Front
On Weather MapHow can you tell which direction the front is
moving from the map?
![Page 13: TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low Pressure System This usually means STORMY weather.](https://reader035.fdocuments.net/reader035/viewer/2022070306/55169912550346f6208b49bf/html5/thumbnails/13.jpg)
Fron
t
![Page 14: TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low Pressure System This usually means STORMY weather.](https://reader035.fdocuments.net/reader035/viewer/2022070306/55169912550346f6208b49bf/html5/thumbnails/14.jpg)
The air from the warm front and cold front meet, but do not move.
These fronts have weather similar to warm fronts.
SYMBOL – warm and cold air masses are moving in opposite directions, thus making a stationary condition
Stationary Front
![Page 15: TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low Pressure System This usually means STORMY weather.](https://reader035.fdocuments.net/reader035/viewer/2022070306/55169912550346f6208b49bf/html5/thumbnails/15.jpg)
Stationary FrontWhere the warm and
cool air meet, water vapor in the warm air condenses into rain,
snow, fog, or clouds.
![Page 16: TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low Pressure System This usually means STORMY weather.](https://reader035.fdocuments.net/reader035/viewer/2022070306/55169912550346f6208b49bf/html5/thumbnails/16.jpg)
Let’s see it on the map!
Stationary Front
Cold Front
Warm Front
http://www.wunderground.com/maps/#?type=Fronts Click for Current Weather Map!
![Page 17: TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low Pressure System This usually means STORMY weather.](https://reader035.fdocuments.net/reader035/viewer/2022070306/55169912550346f6208b49bf/html5/thumbnails/17.jpg)
![Page 18: TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low Pressure System This usually means STORMY weather.](https://reader035.fdocuments.net/reader035/viewer/2022070306/55169912550346f6208b49bf/html5/thumbnails/18.jpg)
Weather Maps Will Usually Have Legends…
READ THEM!
![Page 19: TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low Pressure System This usually means STORMY weather.](https://reader035.fdocuments.net/reader035/viewer/2022070306/55169912550346f6208b49bf/html5/thumbnails/19.jpg)
You Might Also See Maps Using Radar…
What’s Our Current Local Weather Map?
http://www.wunderground.com/maps/#?type=Fronts
![Page 20: TheH stands for a High Pressure System This usually means CLEAR WEATHER. TheL stands for a Low Pressure System This usually means STORMY weather.](https://reader035.fdocuments.net/reader035/viewer/2022070306/55169912550346f6208b49bf/html5/thumbnails/20.jpg)
Archived National Weather Maps for Comparison: http://www.hpc.ncep.noaa.gov/noaa/noaa_archive.php?lang=english Predict the Weather! www.edheads.org
Credits: http://www.weatherwizkids.com/weather-wind.htm
http://commons.wikimedia.org/wiki/File:Anemometer_Barani_anim_120x120.gif
http://www.carlroth.com