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Rip Current Statistics

Rip Current Formation

Types of Rip Currents

Rip CurrentsSafety

Principal Reasons People Die In A Rip Current

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

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

a. Florida

b. California

c. Carolinas

d. All of the above

D. All of the above

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

Rip Currents Statistics

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

Rip Currents

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

Deceiving, it looks like a nice calm area:

An area of deeper water where waves don’t break

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.

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

through a channel.

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

E. a, b, and c

__________ is proportional to amplitude or height squared

Wave energy

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.

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

• 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.

What is a Flash Rip Current?

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

What is a Permanent rip current?

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

What is a Fixed rip current?

• 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.

What is a Traveling rip current?

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

D. All of the above

Rip Currents Safety

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

Rip Currents Safety

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

Rip Currents Safety

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

False, they also occur in the Great Lakes.

Rip Currents Safety

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

Rip Currents Safety

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

Principal reasons people die in a rip current

T/F Poor swimmers

T/F Unaware of hazardous conditions

True(always check

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

Lakes area)

T/F Intoxicated

Principle reasons people die in a rip current

T/F No flotation device

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

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