Atmosphere Around You
What is the main source of heat for our atmosphere?
The sun
Evaporation
Air masses that form further North and over land have what kind of characteristics? (temp and humidity)
Cold and dry
Weather forecasting has improved because technology changes the weather
False
A long period with little or no rain
Air moves from areas of ____ pressure to areas of ____ pressure.
High to low
When rain changes to sleet, temperatures are _____________.
decreasing, falling, getting lower.
Layla lives in Florida along the eastern coast. The kind of air mass most likely to occur over this region would be?
Maritime tropical
Why are accurate forecasts important? (pick 2)
a. help people prepare for severe weather
b. help people understand weather maps
c. help fishers learn about the seasons
d. help farmers know when to plant and harvest.
e. help people who want to be meteorologists
A and D
What is one risk from flooding?
Global Winds occur because Earth is heated (evenly/unevenly)
Unevenly
When clouds become to saturated (full) of water, what step in the water cycle happens?
Warm ocean currents _________ the air masses above them.
(warm, cool, don't change)
warm
When barometric pressure is falling, the weather will be ________________.
stormy
What is the difference between a storm watch and a storm warning?
Watch means the conditions are right
Warning means the severe weather is happening
As altitude increases, air pressure _____________.
Decreases
Plants take in water through their (1)__________ and when water leaves through the leaves it is called (2)______________.
1. roots
2. Transpiration
Cold front
What is the weather symbol for an occluded front?
half circle and triangle on same side of line
What type of severe weather includes wind speeds of at least 119 km/h, flooding, heavy rain, and storm surges?
Hurricanes
What is it called when warm air rises and cold air sinks?
(in the atmosphere, this is caused by unequal heating)
Convection currents
Kyle breathed against a window pane and noticed that his breath made a spot on it from the water vapor in his breath. What stage of the water cycle does this show?
Condensation
Describe what the temperature and precipitation would be like at a warm front.
Temps would be warmer and gentle rain/precipitation
What tool do meteorologist use to measure air pressure?
barometer
What type of front do tornadoes develop at?
Cold front