Weather #1
Instrument that measures air pressure
What is a barometer?
What is happening to the molecules when the temperature is HIGH?
The molecules are moving more rapidly, and it feels WARM.
What happens when a thunderstorm stalls over a region for a long period of time?
Heavy rainfall can cause flooding (flash floods).
When you leave for school in the morning, it is cold. When you come home in the afternoon, it is hot. WHY?
Because the movement of air and moisture is constantly changing, temperatures can change drastically.
Why do meteorologists need to make predictions about the future weather? Are their predictions always right? Why or why not?
Storms can be very dangerous. They cannot always predict the weather because weather conditions can change rapidly.
Particles of air pressing down on Earth's surface
What is air pressure
_____________ results from the rapid heating of air around a bolt of lightning?
Thunder
What type of clouds are puffy, white clouds?
This type of cloud is called a cumulus cloud.
Why are air masses in the north different from air masses in the south?
Air masses over land are cooler than air masses developed over warm water.
What are the differences between a hurricane, a typhoon and a cyclone?
Hurricanes develop in the Atlantic Ocean, typhoons develop in the Pacific Ocean, and cyclones develops in the Indian Ocean.
Fronts are drawn as ________ & ___________.
What are lines and Symbols?
Blizzards can be very dangerous because of _____ ______, _____ ______and ______ _______.
high winds, low temperatures, and poor visibility
This type of cloud forms layers, or smooth, even sheets in the sky.
What is a stratus cloud?
When water vapor condenses near ground level, it is called?
Dew
On weather maps, fronts move from ________to ________.
Fronts move from WEST to EAST.
The National Weather Service depends on 2 sources of information, what are they?
What is data collected from the upper atmosphere and data collected on Earth's surface.
What is the difference between a WATCH and a WARNING?
A WATCH means conditions are favorable for severe weather. A WARNING means conditions ALREADY EXIST for severe weather and you should take immediate action.
This type of cloud appears to be fibrous or curly. What type of cloud is this?
This type of cloud is known as a cirrus cloud.
What involves 3 air masses of different temperatures and may form when a colder mass moves toward a cool air mass with warm air below the two? What is this called?
This is called an occluded front.
What are the 4 types of fronts, what color lines do they have and what shapes?
COLD= BLUE lines with TRIANGLES, WARM-RED lines with semi-circles, OCCLUDED-PURPLE lines with triangles & semi-circles, STATIONARY-Alternating RED & BLUE lines
What does "iso" mean?
Iso means "same".
what are some weather concerns we have in Greenwood?
Severe thunderstorms, tornadoes, flash floods
As warm air is forced upward, expands and cools, what is formed?
This is how clouds are formed.
What is the difference between snow, sleet and hail?
snow- temperatures are below freezing, sleet-rain that freezes as it falls, and hail- lumps of ice created when vapor changes to a solid.
What is the difference between isotherm and isobar?
Isotherm-connects points of equal temperature and isobar -connects points of equal atmospheric pressure