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Weather Booklet

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Weather Booklet - Page Text Content

FC: BY Michael Barnhardt | Weather Booklet

1: Air Pressure and Density | Gravity Causes Particles of air to be pulled to earth. Air pressure is caused by the air above exerting pressure on the air below. Air pressure is stronger closer to the Earth's surface Air density increases as the temperature increases

2: Jet Streams | A difference in density, temperature and pressure cause Jet Streams. A Jet Stream is body of fast moving winds in the atmospere moving usually from east to west.

3: Types of Air Masses | Continental Tropical(cT)-form over the deserts of the southwest, and Mexico Maritime Tropical. | Humid Maritime(mT)- form over suptropical or tropical waters Continental Polar(cA)- The interior of Canada and Alaska during the winter

4: Types of Fronts | Cold Front- Cold air mass takes over a warmer air mass. Cold air forces war air up, which forms Rain, Clouds, and Thunderstorms Warm Front- Warm air mass takes over cold air mass. This is usually associated with orecipitation over a wide area.

5: Occluded Front- When cold air mass takes over a warm front. Usuall leads to strong winds and heavy precipitation. Stationary Front- When two air masses meet and stalll. Light winds and precipitation sometimes occur

6: Continental Polar(cA)- over ice covered regions Maritime Polar(mP)- form over fridged waters

7: Type of Pressure systems | High Pressure Systems- a pressure system that usually has dry weather because air doesnt rise, cool, and form clouds. Low Pressure Systems- a pressure system that usually relates to clouds and precipitation because clouds can form.

8: Types of Global Wind | The Trade Winds- Located at 30 degrees N and S latitudes. Prevailing Westerlies- Located between 30 and 60 degrees N and S latitude. these winds blow eastward. Polar Eastelies- Located etween 60 degrees latitude and the poles. the blow SW in North and NW in south

9: Thunder Storms | Air Mass Thunderstorms- Caused by unequal heating of the earth. Sea Breeze- caused by sharp temperature gradients over land and water Mountain- Forms when air is lifted over a mountain. Frontal- Result of a Cold front moving.

10: Severe- occurs when a cold front moves over warm land with moisure. Supercells- occur in very large temperature gradients

11: Tornadoes Tornadoes | Tornado- a violent spinning column of of air that touches the ground.

12: Tropical Cyclones | Very powerful. They form over oceans. Formed on the oceans surface. The low pressure system starts to rotate. first stage is a Tropical disturbance. Second is called a Tropical depression. The third is called a Tropical Storm....

13: Hurricanes | and the Last stage it is a Hurricane. Category 1 and 2 dont cause much damage. Category 3 is highly dangerous. 4 and 5 are deadly.

14: Most damage is caused by really strong winds. The most powerful part of the hurricane is the eye wall. The most calm part of the hurricane is the eye.

15: Storm Surges | Storm surges are water that is driven over land in a hurricane. They can get to hights of 6 meters above sea level.

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  • By: michael d.
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  • Title: Weather Booklet
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  • Published: almost 10 years ago