Predicting Weather Notes

short-term forecast

2-3 days long (today, tomorrow, day 3)

long-term forecast

4-7 days long (today, tomorrow, day 3, day 4, day 5, day 6, day 7)

short long

______-term forecasts are more accurate than ______-term forecasts because there is a shorter time period between the forecast and the weather (weather changes quickly)

short-term forecast

________________ are more accurate today than in the past because we have more advanced technology

weather balloon

a balloon released into the atmosphere that carries a package of instruments that records data about temperature, air pressure, and humidity

air pressure

a barometer measures __________ it's a simple instrument

surface map

a map that includes station models and information about fronts and about centers of high pressure and low pressure

weather map

a map that shows data about recent weather conditions across a large area

forecast

a prediction of what the weather will be like in the future

precipitation

a rain gauge measures ________ it's a simple instrument

fronts high low

a surface map includes station models and information about ______ and about centers of ____ and _____ pressure

temperature

a thermometer measures ___________ it's a simple instrument

temperature humidity air pressure

a weather balloon measures _________ it's a complex instrument

conditions

a weather map shows data about recent _______ across a large area

temperature humidity fog

a weather satellite measures _________ it's a complex instrument

wind direction

a wind vane measures ___________ it's a simple instrument

Doppler radar stations

additional weather data is collected by a network of ____________________ across the country

technology accurate

advances in _________ have helped make weather forecasts more ________

complex simple

although large weather systems are ________, most of the tools for collecting data at each station are ________

wind speed

an anemometer measures __________ it's a simple instrument

station model

an arrangement of symbols and numbers that show the weather conditions recorded at a weather station meteorologists make this thing for each location they have data for

wind speed precipitation

doppler radar measures __________ and _________ it's a complex instrument

reflection precipitation wind speeds

doppler radar uses the _________ of radio waves to accurately measure ________ and ____________

data

each piece of _____ in a station model is printed in a certain position on the model

surface map

from station models meteorologists construct a ____________

direction

information about wind __________ is important in forecasting tornadoes

barometer

measures air pressure

rain gauge

measures amount of precipitation that has fallen

anemometer

measures wind speed

air masses

meteorologists predict what the ________ will do next

change

meteorologists use weather maps to predict how the weather will _________

weather satellites anemometers barometers doppler radar rain gauge weather balloon thermometers wind vane

name the 8 instruments meteorologists use to gather data at each station

National Weather Service

station models are shown on daily maps from the ___________

Doppler radar

stations across the country that use the reflection of radio waves to accurately measure wind speeds and precipitation

station models

surface maps are created by the National Weather Service using _________ from around the country

current three-six

surface maps show ________ weather conditions across the U.S. and are updated every ________ hours

National Weather Service

the ________________ is the main source of weather maps in the U.S.

NWS

the abbreviation for the National Weather Service is ______

weather map

the best way to communicate atmospheric information is with a ____________

radio

the data a weather balloon collects is transmitted back to the ground by ________

dew point

the temperature at which water vapor in the air will condense

humidity temperature fog

today satellites measure __________, _________, and ___________

weather satellites doppler radar

two new developments that have dramatically improved weather forecasting are __________ and _________

satellites 1960s

weather ________ have been orbiting the Earth since the _____

100,000

weather balloons can go as high as ______ feet

forecasts

weather maps are useful for making ________

seperate

weather maps show data for ________ locations