Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
|
humidity
|
amount of water vapor held in air
|
|
|
front
|
boundary between two air masses…… different temp, or moisture……. Cold,warm,occluded, stationary
|
|
|
tornado
|
violent whirling wind storms…… crosses land in narrow path…… results from wind sheer inside thunder head
|
|
|
air mass
|
large body of land that has same characteristics of temp and moisture content as the part of earths surface on which it formed on
|
|
|
blizzard
|
winter storm….. Last at least 3 hrs….. Temp of -12C or less…. Poor visability….. Winds 51 km/hr
|
|
|
relative humidity
|
measure of amount of air moisture held in air compared to amount it can hold at given temp…. Can range 0-100%
|
|
|
hurricane
|
large severe storm that forms over tropic ocean…. Winds greater than 120 km/hr…. Loses power when reaches land
|
|
|
meteorologist
|
a person who studies weather
|
|
|
isotherm
|
line that connects two points that have same temp
|
|
|
dew point
|
temperature in which air is saturated and condensation forms
|
|
|
precipitation
|
water falling from clouds….. Rain, hail,sleet, snow….. Form determined by temp
|
|
|
fog
|
a stratus cloud that forms when air is cooled to its dew point near the ground
|
|
|
isobar
|
a line that connects two points that have the same atmospheric preasure
|
|
|
weather
|
state of atmosphere at specific time and place, determined by air preasure, air pressure, air moisture, temp, wind and precipitation
|
|
|
what are clouds made of
|
million tiny droplets of water
|
|
|
stratus clouds
|
layers/smooth even sheets in sky, forms when air cools below dew point, low altitude, associated with fair weather and precipitation
|
|
|
cumulus
|
puffy white clouds with flat base, form when air currents rise creating a "tower", associated with fair weather and also may indicate approaching storms
|
|
|
cirrus
|
fibrous/ curly clouds, contain ice crystals, associated with fair weather or indicate approaching storm
|
|
|
nimbus clouds
|
dark clouds associated with precipitation, sun cant penetrate it
|
|
|
nimbostratus clouds
|
give long steady rain.
|
