Download Chapter 16 Section 1 Pgs

Name_____________________ Date_______________ Period_______________
Chapter 16 Section 1 Pgs. 422 to 429
I. Water in the ____________
a. Weather: The _____________ of the atmosphere at a
______________ time and ______________.
2. Water ___________
a. Water Cycle: the continuous ___________ of water _______
water sources, such as ________ & _______, into the _________,
onto and over ________, into the ___________, and back to the
water______________.
3. Humidity
a. Humidity: the amount of water ______ or ____________ in the
air.
b. As water evaporates the _________ of the air ___________.
c. Air’s ability to hold _________ __________ depends on air
___________.
d. Relative _______________: the amount of ____________ the air
contains compared with the maximum amount it can hold at a
____________ _______________.
e. Water ___________ Versus _____________
f. If temperature stays the __________, Relative Humidity changes
as water ____________ enters or ___________ air.
g. Relative __________ is also affected by changes in ____________
h. Measuring ____________ Humidity
i. A ____________________ is an instrument used to
_______________ relative _____________.
4. The _______________ of Condensation
a. Condensation: the Process by which a gas, _______ Vapor,
becomes a ____________.
b. Dew________: the _________________ to which air must _____
to be _________________ Saturated.
c. An example you may already be familiar with is _____________
vapor __________ on grass, forming _________ water droplets
called ____________
5. Clouds
a. A _____________ of millions of tiny ___________ Droplets or ice
___________.
b. Cumulus Clouds: ______________ white clouds that tend to have
________ bottoms.
c. Stratus Clouds: ____________ that form in Layers.
d. Cirrus Clouds: Thin, __________ white clouds found in
High_____________.
e. Figure 8
1. _________ Clouds
2. Middle______________
3. __________ Clouds
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Name_____________________ Date_______________ Period_______________
6. Precipitation: Is ____________, in solid or liquid form, that _________
from the air to the ______________
a. Rain, the most ___________ form of ___________
b. Snow, the most __________ form of _____________ Percipitation
c. Sleet, called ________ Rain, forms when rain __________ through
a layer of freezing air.
d. Hail ____________ precipitation that falls as _______ or
________ of ice
e. A Rain Gauge is an ___________ used to measure the amount of
__________
f. Snow is measured by both ____________ and ________ content.
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Name_____________________ Date_______________ Period_______________
II. Air Masses and Fronts Ch. 16 Sec. 2 Pgs. 430 - 433
a. Air Mass: a ______________ body of air that has similar
___________ and ______________ throughout.
2. Air Masses
a. Figure 14
1. Maritime: forms over ________; _______
2. Continental forms over ________; ______
3. Polar forms over _________ regions; ________
4. Tropical forms over the _________; _________
b. ___________ Air Masses
c. Warm__________ Masses
3. Fronts
a. Where two __________ air masses meet, a ____________ forms
between them.
b. Cold Fronts
1. a ________ air mass meets and __________ a warm air
mass.
2. Moves __________
3. produces __________
4. cooler ________
c. Warm Fronts
1. a ___________ air mass meets and __________ a cold air
mass.
2. Brings _________ precipitation
3. weather conditions are ________ and ___________
d. Occluded Front
1. a _________ - moving cold air mass ____________ a
slower -______________ warm air mass.
2. has cool _______________
3. Large amounts of _________________
e. Stationary Front
1. a ________ air mass meets a __________ air mass
2. Weather associated is ___________ to that produced by a
________ Front.
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Name_____________________ Date_______________ Period_______________
III.
Severe Weather Ch. 16 Sec. 3 pgs. 434 - 439
1. Thunderstorms
a. Are ___________, intense weather _________ that produce
___________ winds, heavy __________, Lightning, and
_____________.
b. Lightning
1. a large _________________ discharge that _________
between two oppositely __________ surfaces.
2. When lightning strikes, ______ is released
3. Thunder: the sound that __________ from the rapid
__________ of air along the _______________ strike.
c. Severe Thunderstorms
1. Produce one or more of the following: _____ winds,
_______, flash ____________, and _______________.
d. Tornadoes
1. A Small, ______________ column of air that has
________ wind speeds and _________ central Pressure and
_________ the ground.
2. Figure 20
a. Wind __________ in two different __________
causes a layer of _________ in the _________ to
begin to ____________.
b. The rotating __________ of air is ____________ to
a vertical position by ____________ updrafts of air.
c. The rotating __________ of air works its way
__________ to the bottom of the ____________
d. The _____________ cloud is called a
_____________ when it touches the ____________.
e. Hurricanes
1. A _________, rotating __________ weather system with
wind speeds of at least __________ km/h.
2. Hurrricanes are the most _____________ storms on Earth
3. Figure 24
a. Eye Wall: a group of clouds that produce
_________ rains and __________ winds
b. Eye: a core of ____ relatively calm air with ______
pressure
c. Rain Bands: Circle the _________ of the
Hurricane.
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Name_____________________ Date_______________ Period_______________
IV. Forecasting the Weather Ch. 16 Sec. 4 pgs 440-443
a. Weather Forecast: a _______________ of weather conditions over
the next _______ to __________ days.
2. Weather Forecasting Technology
a. Measuring _____ Temperature
1. Thermometer: a ___________ used to measure _______
temperature.
2. Air temperature is measured in both degrees __________
and degrees _____________
b. Measuring _________ Pressure
1. Barometer: an ____________ used to measure air
____________
2. The ____________ the air pressure, the __________ the
mercury will ____________.
c. Measuring Wind Direction
1. windsock: a _________- shaped cloth bag ______ at both
ends
2. Wind Vane: shaped like an _______ with a large tail and is
_____________ to a pole.
d. Measuring __________ Speed
1. Anemometer: Consists of _________ or ___________
cups connected by spokes to a pole.
e. Measuring Weather in the Upper Atmosphere
1. Radar: finds the ___________, Movement and ________ of
precipitation.
2. Weather Satellites: orbiting the ___________ provide the
images of clouds.
3. Satellites can measure _________ speed, ____________,
and the temperature at various ______________.
3. Weather Maps
a. Station Models: a small ___________ which shows the
___________ of the weather station, with a set of ______ and
_______ surrounding it, which represent the _________ data.
b. Isobars: lines that ____________ points of equal _____ pressure.
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