Transcript Day 3 - Staff Web Pages

Section 5
Day 3
Driver Responsibility:
Adverse Conditions
Heavy Smoke, Rain, or Snow, Fog & Strong Wind
Bell Ringer #3
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Write a half a page red to red. Save
these to be turn in on test day. Worth
10% of your grade.
People listen to music for different
reasons and at different times. Why
is music important to many people?
Use specific reasons and examples
to support your choice.
Reminder
1.
2.
Bring paper/pen/pencil and notebook
Electronics are for instructional use with permission
3. Don’t forget to do daily quizzes on QUIA.COM
4. No Excuses why you don’t take Quizzes 1-6
before test day!! (Quizzes are worth 30% of grade)
5.
Attendance is MANDATORY!! (NO SLEEPING in class)
6. All notes can be found on Harrisonburg’s staff website:
http://staff.harrisonburg.k12.va.us/~tbutler/
7. If you are NOT taking notes in class, please be quiet and
ask to use the restroom at the end of class.
“Green Card”
Your Name Here
Harrisonburg High School
H.C.P.S
36
x
03/06/2012
This is what you are trying to get at the end of class..
Objectives: (Day 3)
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Students will understand visibility limitations
in bad weather
Students will understand unusually strong
wind conditions
Students will understand low water crossings
Students will understand different types of
floods
Students will understand driving in extreme
hot and cold temperatures
Heavy Smoke, Rain, Fog or Snow
In an instant, the following can occur:
 Smoke is evident ahead. Suddenly
smoke and ashes from a large brush
fire cover the road.
 It is sprinkling. A few moments later,
rain is falling in a solid sheet.
 Snow is falling lightly. Two miles down
the road, it becomes a whiteout.
DO NOT WRITE THIS SLIDE
Visibility Limitations
Driving in Bad Weather
Reduce speed
Make sure your headlights are on low beam (aimed
at the road surface) to reduce the amount of
light/glare reflected back at you
Turn on your windshield wipers
If necessary, turn on the defroster or air conditioner
Visibility Limitations in Bad Weather
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Reduce speed, but NEVER stop in a
travel lane
Turn on emergency flashers
Look for an exit from the highway
Visibility Limitations in Bad Weather
If impossible to leave highway:
stop beyond end of guard rail
back up to outboard of the
guard rail
turn off all lights (WHY??)
wait for the bad weather to
pass
Visibility Limitations in Bad Weather
 If
your stopping distance is longer
than your sight distance, you have
created a high risk situation – slow
down
Visibility
Range
Braking distances at 20 mph with conventional tires on different pavement conditions
Ice - 150 feet
Packed Snow - 60 feet
Wet - 25 feet
Dry - 20 feet
Unusually Strong Wind Conditions
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Strong winds create a
problem called
buffeting.
 Buffeting: To strike
against forcefully
 This condition can
occur on bridges and
when being passed by
large trucks.
 These wind gusts and
blasts can cause total
loss of vehicle control.
How To Respond to Wind
Reduce speed.
 Grip the steering wheel firmly to
maintain vehicle control.
 Leave extra space between your vehicle
and other vehicles.
 Be prepared to counter steer.
 Stay off brake
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Low Water Crossings
Low Water Crossings
Nearly 50% of flash flood
fatalities are vehicle related
Search for flood prone
areas:
- highway dips
- bridges
- low areas
Most vehicles will float
Very little water on the
road surface can cause loss
of control
Low Water Crossings
 Driving too fast through water will cause the
vehicle to hydroplane and lose contact with
the road surface.
5 Types
of Floods
Coastal
Flood
Urban
Flood
Ice
Jam
River
Flood
Flash
Flood
River Floods
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Occur seasonally when heavy rains fill
rivers or
 Heavy rains from hurricanes or tropical
systems
Coastal Floods
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Winds generated from
tropical storms and
hurricanes can drive
ocean water inland.
 Earthquakes can also
produce waves called
tsunamis, sometimes
referred to as tidal
waves.
Urban Floods
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As land is converted from fields or
woodlands to roads and parking lots, it
loses its ability to absorb rainfall.
 Streets can become swift moving rivers.
Flash Flooding
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An arroyo is a water-carved gully or
normally dry creek bed.
 Arroyos can fill with fast-moving water
very quickly.
Ice Jams
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Floating ice can accumulate at a natural or
manmade obstruction and stop the flow of
water.
O
+120
O
+32
O
-40
Extreme
Temperatures
O
+120
O
+32
O
-40
Hot and Cold Temperatures
Vehicles are designed to operate in a wide range of
temperatures, from very hot to extremely cold. However,
these extreme conditions can cause stress to any vehicle part
that is temperature sensitive.
Cold Weather Precautions
•
Tires should be balanced, aligned,
the proper type, and have adequate tread
- The legal minimum, 2/32 of an inch tread depth,
is inadequate on wet surfaces
•
Check tire inflation
- Check cold tire pressure regularly
(noted inside driver’s door or in manual)
•
Check radiator coolant, hoses, and connections
Cold Weather Checks
 Check heater, defroster
and air conditioner system
 Winterized windshield wiper fluid
 Check drive belts for tension and wear
 Keep lights and glass areas clear and clean
 Check windshield wiper blades
Hot Weather Checks
Tire inflation needs special attention
Under inflated tires are subject to
heat and pressure buildup, especially
when driving for extended distances
at higher speeds.
The air conditioner, radiator coolant hoses,
connections, and drive belts need special attention.
due to the extra load placed on these
cooling systems.
Class Work
In your driver’s education book, read
pages 222-224.
 WRITE the Lesson 3 Review questions
(1+2) on page 224.
 Save these to be turned in with your
test!
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Watch 9 minute Video: Driver Education Vol. II
“Driving in Bad Weather”
Don’t forget to take Section
5 Day 3 Quiz on Quia.com
THE END!