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200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Rip Current Statistics Rip Current Formation Types of Rip Currents Rip Currents Safety Principal Reasons People Die In A Rip Current
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200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Rip Current Statistics Rip Current Formation Types.

Mar 31, 2015

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Jase Northcott

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Page 1: 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Rip Current Statistics Rip Current Formation Types.

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Rip Current Statistics

Rip Current Formation

Types of Rip Currents

Rip CurrentsSafety

Principal Reasons People Die In A Rip Current

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Rip Current Statistics

T/F - Around 100 people die in rip currents each year U.S.

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True

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Rip Current Statistics

T/F -Most victims are in the ocean waters of:

a. Florida

b. California

c. Carolinas

d. All of the above

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D. All of the above

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Rip Current Statistics

T/F - Rip currents also kill people in the Great Lakes.

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True

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Rip Currents Statistics

T/ F The chance of drowning at a beach protected by lifeguards affiliated with USLA is 1 in 18 million.

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True

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Rip Currents

T/F More people die in rip currents than the deaths from hurricanes, lightning, flooding, and tornadoes.

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True

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Rip Current Formation

Deceiving, it looks like a nice calm area:

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An area of deeper water where waves don’t break

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Rip Current Formation

What is correct sequence of rip current formation?

A. Wave travels to the beach, waves break on sandbars, water runs off beach through a channel.

B. Waves break on sandbars, wave travels to the beach, water runs off beach through a channel.

C. Water runs off beach through a channel, wave travels to the beach, waves break on sandbars.

D. None of the above.

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B. Waves break on sandbars, wave travels to the beach, water runs off beach

through a channel.

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Rip Current Formation

The longer the period between waves:a. The longer the waves.b. The faster the waves move.c. The more momentum the waves carry.d. A and Be. A,B, and C

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E. a, b, and c

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Rip Current Formation

__________ is proportional to amplitude or height squared

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Wave energy

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Rip Current Formation

When do rip currents become dangerous?a. During high surf conditions as the wave height and wave

period increase.

b. During low surf conditions as the wave height and wave period decrease.

c. During high surf conditions as the wave height and wave period decrease.

d. During low surf conditions as the wave height and wave period

increase.

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a. During high surf conditions as the wave height and wave period increase.

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Types of Rip Currents

• This type of rip current is short in duration (less than 10 minutes) – Enhanced by large swells with more wave energy and

volume.

– Unpredictable temporary conditions and variable locations.

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What is a Flash Rip Current?

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Types of Rip Currents

• This type of rip current develops along jetties, piers, and groins.

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What is a Permanent rip current?

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Types of Rip Currents

• This type of rip current is dependent upon shape of coast, bays, points, reefs or sand bars.

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What is a Fixed rip current?

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Types of Rip Currents

• This type of rip current occurs with long shore (parallel to beach) current

• Occurs with long shore (parallel to beach) current

• Pushes rip away from original location and weakens it.

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What is a Traveling rip current?

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Types of Rip Currents

A long shore current may push swimmer into:

a. Flash rip current

b. Permanent rip current

c. Fixed rip current

d. All of the above

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D. All of the above

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Rip Currents Safety

T/F Rip currents do not pull people under the water—they pull people away from the shore.

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True

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Rip Currents Safety

T/F Undertow and riptides are the same as rip currents.

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False

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Rip Currents Safety

T/F Rip currents only occur on beaches near the ocean.

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False, they also occur in the Great Lakes.

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Rip Currents Safety

T/F Rip Currents can be very narrow or more than 50 yards wide.

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True

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Rip Currents Safety

T/F Rip currents do not affect strong swimmers/Olympic swimmers.

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False

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Principal reasons people die in a rip current

T/F Poor swimmers

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True

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Principal reasons people die in a rip current

T/F Unaware of hazardous conditions

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True(always check

www.ripcurrents.noaa.gov before going to the beach or Great

Lakes area)

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Principal reasons people die in a rip current

T/F Intoxicated

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True

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Principle reasons people die in a rip current

T/F No flotation device

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True

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Principal reasons people die in a rip current

T/F Panic and swim directly toward shore against the rip current, become exhausted and drown

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True


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