Storms a violent  in the. This involves sudden changes in. This cause rapid movement. The same conditions that bring kind of storm in one area often cause kinds of storms in the same area

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Storms - Notes


A violent ____________ in the ______________.

This involves sudden changes in ___________. This cause rapid ______ movement. The same conditions that bring ______ kind of storm in one area often cause ________ kinds of storms in the same area.

Types of severe storms

___________________, ______________________, __________________, ________________________.



_________ thunderstorms involves with torrential downpours, _________winds at greater than 58 miles per hour, ________l ¾ inch diameter (or larger, and __________lightning.

Severe Thunderstorm Watch is issued by National Weather Service. This means that_____________ are ___________ for a thunderstorm. Length is ________ hours.

Severe Thunderstorm Warning also issued By Local Weather Service. This means a severe storm has been spotted by doppler radar. It usually lasts for only ______ hour.


A sudden spark or energy ___________, caused when electric discharges _________between ________ of a cloud, _________ clouds, or _________ a cloud and the ground.

Properties of a Lightning:

_______________ of over 30,000C (much hotter than _______ surface).

Heated air ___________ ___________ and __________ making a sound of thunder.

Why do we see lightning before we hear thunder?

Because__________ travels much faster than __________.

Thunderstorm/Lightning Safety

Stay __________, away from doors and windows.

Avoid objects that __________ electricity, such as metal objects and bodies of water.

Do not seek shelter under the __________.

Do not use phones with ________.

Remember: _________ are pretty safe…


Tornado Alley

Is a rapidly __________, _________- shaped cloud that reaches down from a cloud to touch Earth’s surface.

Same system that produces ___________ can produce ____________.

Late in the day, when earth’s surface is very ________, __________ (the flow of heat through a material, causing hot parts to rise and cooler parts to sink) can get very ________. This can lead to a _________.

Tornado Watch: Conditions are ___________ for a tornado to ________.

Tornado Warning: A tornado has ________.

Tornado Happenings: 1. When the updraft in a __________ cell is really strong, the air __________ in from all sides at high _________.

2. Air _______ into a _______. This lowers the ________ even more. Air rushes in even ______, and the pressure gets even ________, and so on.

3. As the tornado gets ___________, a funnel forms that can destroy anything in it’s path. The ________ of the tornado can reach speeds of 500 kilometers per hour (about 300 miles per hour) or more.

Tornadoes happen where _______, ________ air masses mix with _______, ________ air masses.

More tornadoes occur in the United States than in any other country, especially in the area known as TORNADO ALLEY. About ______ tornadoes every year in the United States.

Tornadoes Safety: The safest place to take a shelter in a storm _______ or the ___________ of a well-built building.


All year round, most precipitation begins in _______ as ________.

If the air is _________ than ___ degrees all the way to the ground, the __________ falls as ________.

Snowstorm Safety: Try to find a ________ from the _________. Cover __________ parts of your body and try to stay __________.


Map symbols:

A ___________ storm that has winds of about ________ kilometers per hour or higher (200 miles per hour).

Storm usually doesn’t last for more than __________ days.

As it moves __________ it continues to move across the land but it begins to ___________.

What Does a Hurricane Need in Order to Develop?

Needs ________ water, _______ to ________, and favorable upper level winds in the ______________.

Naming System: A list of names from_____- _____ (excluding _____).

Alternate from ________ to ________. 6 lists, repeated in _________.

Big name storms ___________, like Katrina.

Hurricane Watch: A hurricane poses a possible threat within the next _____ hours.

Hurricane Warning: Hurricane conditions expected within _____ hours.

The Saffir-Simpson Scale: Scale developed to categorize the hurricane based on wind’s speed.

Hurricane Safety: Best plan is to ___________. Towns have ___________evacuation during a _________, and some switch to ___________ during a ____________. Plan early in advance.

If you choose to ________, then board all _________, prepare __________, avoid candles, stay tuned to _________, and stay indoors_________.

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