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Unit 5 Lesson 5 Weather Maps and Weather
Prediction
What is weather forecasting?
• _________ __________ is the analysis of
scientific data to ________ future weather
conditions.
• Checking the _________ forecast helps
determine what the weather is and how it
might _________.
What elements of weather are forecast?
• The study of weather and Earth’s
atmosphere is called ____________.
• Scientists who study meteorology are
called _______________.
• They observe ______ elements of
weather: air temperature, ________,
wind ________, wind _______, clouds,
precipitation, atmospheric ________, and
___________.
1
Unit 5 Lesson 5 Weather Maps and Weather
Prediction
The Hurricane Hunters
• The Hurricane Hunters of the National
Oceanic and Atmospheric Administration
(NOAA) fly into the ______ of tropical
storms and hurricanes.
• Their planes are equipped to collect data
with special instruments such as _____
and __________.
• Hurricane Hunters also launch a small
instrument package called a ___________
to measure temperature, _________,
wind speed, and ____ ________.
How are weather data collected?
• Meteorologists gather data using
advanced technologies at ground stations
and in _________, __________, and
_____________.
2
Unit 5 Lesson 5 Weather Maps and Weather
Prediction
• Land-based ground stations, called
_______ ___________ ______, collect
weather data from the lower atmosphere
_____ hours a day.
• Many stations are located near _______
and transmit computer-generated voice
observations to ________ regularly.
• _________ _______ is useful for finding
the location, movement, and intensity of
storms. Radar works by bouncing
_______ waves off precipitation.
• The stronger the returning signal, the
heavier the ____________ is. The longer
it takes for the signal to return, the
farther _________ the precipitation is.
• ________ _______ is important for
detecting and tracking severe storms and
tornados.
3
Unit 5 Lesson 5 Weather Maps and Weather
Prediction
• _________ can carry a variety of
weather-sensing instruments and collect
data in places far from _______
_______, such as over oceans.
• Weather balloons carry a small instrument
package called a ___________.
• Radiosondes measure atmospheric
_________, air __________, humidity,
and wind speed and ________, up to
about 32 km.
• Orbiting _________ _______ provide
data on water vapor, cloud-top
temperatures, and the movement of
weather systems.
• _____________ weather satellites
monitor Earth from a fixed position
thousands of kilometers above Earth.
• ________ _________ satellites circle
Earth and provide global information from
4
Unit 5 Lesson 5 Weather Maps and Weather
Prediction
hundreds of kilometers above Earth’s
surface.
What kinds of symbols and maps are
used to analyze the weather?
• A _______ ________ is a set of
meteorological symbols that represent the
weather at a particular observing station.
• A station model is a small circle
surrounded by a set of ________ and
_________ that represent current
weather data at a specific site.
• Placing many station models on a map
makes it possible to see _______ weather
patterns, such as ________.
• Meteorologists commonly use ______
weather maps to show ________. The
map displays air pressure and the
locations of fronts.
5
Unit 5 Lesson 5 Weather Maps and Weather
Prediction
• Air pressure is shown by using
_________, which are lines that connect
points of equal air pressure, marked in
units called __________.
• _______ ________ are shown using blue
lines and blue triangles. _______
_________ are shown using red lines and
red half-circles.
• Another type of weather map used to
analyze weather is the ________-air
chart, based on data collected by weather
balloons.
• ________-air charts show wind and air
pressure at middle and upper levels of
Earth’s atmosphere.
• Information from these charts indicates if
and where weather systems will form, and
if they will ________, remain stationary,
or fall _______.
6
Unit 5 Lesson 5 Weather Maps and Weather
Prediction
What are some types of weather
forecasts?
• ________ ________ weather forecasts
make predictions 0 to 3 days into the
future. _________ __________ forecasts
predict conditions 3 to 7 days into the
future.
• Temperature, wind, cloud cover, and
precipitation are ___________ with
different degrees of accuracy.
• Weather forecasting is an
_________science. Many _________
affect weather, all of which are changing
constantly.
• ______ _________ forecasts can range
from weeks to months into the future.
• Using sea surface temperatures and highlevel winds, forecasters can make general
__________ about the future.
7
Unit 5 Lesson 5 Weather Maps and Weather
Prediction
• They can predict if the weather will be
warmer or colder or wetter or drier than
average, but not the ___________ or
________ on a particular day.
• Hazardous weather forecasts include
_______ _________, ________
_________, and weather __________.
• A __________ _______ is issued when
the expected weather conditions will not
be a serious hazard but may cause
inconvenience.
• A _________ _________ is issued when
severe weather conditions are possible
over a large area. People should have a
plan of action in case of a storm.
• A __________ __________ is issued
when weather conditions that pose a
threat to life and property are happening
or are about to happen.
8