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29 Cards in this Set
- Front
- Back
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what is a step leader
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downward , negatively charged channels.
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what is an isobar
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the curved lines on a map of pressure differences that connect points where the the is the same
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what are the two most importaint factors desribing climate called
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temperature and rainfall
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what is a monsoon
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is a seasonal wind that blows from the land to the ocean during the dry season and from the Ocean to the land during the rainy season.
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what is a condensation nucleus
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the center of a tiny droplet of liquid water.
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what is a stratus cloud at ground level called
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fog!
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what is water vapor in the air called
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humidity
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what are two masses of air meet called
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front
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difference between climate and weather
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climate : the year round weather tyoical of a certain place
weather : the atmospheric condition at a certain time and place |
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whats the line east and west around the earth called _____ and _____
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latitude
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what is a wind vane
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the flow of gases or particles with short bursts of fast winds are called gusts. Strong winds that go on for about one minute are called squalls.
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thermograph
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recording thromometer
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rain gauge
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measuring precipitation
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radiosonde
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small lightweight package that contains instruments for sensing temperature, pressure, and humidity
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maximum/minimum thermeter
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temperature recording system that keeps track of the maximum and minimum temperatures that have occurred over some given time period.[1]
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hygrometer
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measures humidity
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Mercury thermometer
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calibrated marks on the tube allow the temperature to be read by the length of the mercury within the tube, which varies (nearly linearly) according to the temperature to increase the sensitivity, there is usually a bulb of mercury. Eneroid brometerxpansion and contraction of this volume of mercury is then amplified in the much narrower bore of the tube. The space above the mercury may be filled with nitrogen or it may be less than atmospheric pressure, which is normally known as a vacuum.
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aneroid barometer
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changes in external air pressure cause the cell to expand or contract. This expansion and contraction drives mechanical levers such that the tiny movements of the capsule are amplified and displayed on the face of the aneroid barometer. Many models include a manually set needle which is used to mark the current measurement so a change can be seen.
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anemoeter
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a devise used to measure wind speed
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stationary front
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is when nither side is advancing
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cold front
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cold air advancing
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warm front
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warm air advancing
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occluded front
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cold air overtake warm front
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what do we call a place that doesn't receive10 inches of rain
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desert
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a strom over the sea with winds over 70 mph
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hurrcaines
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a dangerous funnle cloud with winds over 300 mph
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cyclones
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long lines of thunder stroms
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s
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what climate has widest yearly temperate
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taiga
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what climate has prema frost
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tundra
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