Transcript Weather Jeopardy Review Game

© Mark E. Damon - All Rights Reserved
© Mark E. Damon - All Rights Reserved
Another
Presentation
© 2002 - All rights Reserved
[email protected]
Content by Mark Place
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Round 1
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Station
Models
ESRT
DP & RH
Weather
Relationships
Moisture
Winds
Pressure
$100 $100
$100
$100 $100
$100
$200 $200
$200
$200 $200
$200
$300 $300
$300
$300 $300
$300
$400 $400
$400
$400 $400
$400
$500 $500
$500
$500 $500
$500
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$100
76
291
23/
73
0.25
2
How much precipitation did this
location receive in the last 6 hours?
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0.25 inches
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76
291
23/
73
0.25
2
What is the temperature
in Celsius?
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76°F = 24°C
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35
1 *
30
291
23/
What is the
current weather?
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* = snow
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76
003
23/
73
0.25
2
What is the barometric
pressure?
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1000.3 mb
[add a decimal between last 2 digits
00.3
then add a 9 or 10 in front
answer must be between 950.0 and 1050.0]
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76
996
23/
73
0.25
2
What was the barometric
pressure three hours ago?
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997.3 mb
The barometric pressure is 999.6 mb currently (996).
The barometric trend was +2.3mb over the last three hours.
Therefore, the barometric pressure has gone up.
Three hours ago the air pressure was lower than it is now.
Therefore, subtract the barometric trend from the pressure.
999.6 – 2.3 = 997.3
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The dew point and relative
humidity when the dry-bulb is
24°C and the wet-bulb is 9°C.
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What is -18°C
and 4%?
[Find the difference first between the dry-bulb and the
wet-bulb (24 – 9 = 15). Then go to column 15 on page 12
of the Earth Science Reference Tables and go down to
the row for 24°C.]
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The relative humidity when the air
temperature is 18°C and the
dewpoint is 9°C.
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What is 56%?
[First go to the Dew Point Chart on page 12 of the Earth Science Reference
Tables. Find the air temperature (dry-bulb) row for 18°C, then go across
until you find the dewpoint temperature of 9°C (column 5).
Stay in column 5 and move down to the Relative Humidity Chart. Go down
to the dry-bulb temperature of 18°C and the relative humidity is 56%.]
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The wet-bulb temperature when
the relative humidity is 100% and
the dry-bulb is 40°C.
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What is 40°C?
(If the RH = 100% the wet-bulb and dry-bulb are the same.)
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This location has the greatest
probability of precipitation.
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What is station 1?
(the temperature and dew point are closest together)
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The relationship between
dew point and air pressure
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What is indirect?
(as the air becomes more moist (greater dew point),
the air becomes less dense)
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The relationship between
temperature
and
the ability of the air to hold water
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What is direct?
(warm air can hold more water than cold air)
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The relationship between
air pressure
and
air density
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What is direct?
(more dense air has a greater pressure and sinks
(high pressure, high density))
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The relationship between
altitude
and
air pressure
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What is indirect?
(as you increase your altitude
(like going up on top of a mountain),
the air pressure decreases)
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The relationship between
air pressure
and
temperature
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What is indirect?
(as the temperature increases, the air becomes less dense
and therefore, a lower pressure)
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The relationship between
relative humidity
and
temperature
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What is indirect?
(as long as the actual amount of water in the air stays
constant, the relative humidity will decrease as
temperature increases)
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The three factors that affect the
rate of evaporation.
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What are
temperature,
surface area, and
the amount of moisture
already in the air?
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The instrument used to measure
dew point and relative humidity.
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What is a psychrometer?
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This natural process cleans the
atmosphere.
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What is precipitation?
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Evaporation is
greatest at this time.
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What is 1pm?
(when the temperature is highest)
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In order for a cloud to form, warm
air must ____ and cool to the ___.
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What is rise and dewpoint?
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The direction weather
systems typically move
in the United States.
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What is northeast?
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This causes the winds.
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What are differences in air
pressure?
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The wind direction around
(a high or low)
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What is a high?
(winds are clockwise and away from the center)
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A high or low pressure.
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What is a low?
(this is a hurricane (cyclone)---an
area of intense low pressure)
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The strongest winds are here.
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What is in the
northwest?
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Relationship between
wind speed
And
height of waves
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What is direct?
(when the winds blow faster, the waves get bigger)
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Air Rising or Sinking
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What is rising?
(air always rises in a low pressure area)
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Land or Sea Breeze?
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What is a land breeze?
(The high would be located over the land (air sinking). Winds
always blow from high to low (from land to sea in this picture).
Winds are named for the direction from where they come.)
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1000.0 mb = ___ in Hg
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What is 29.53 in Hg?
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At 30°N, the predominant
pressure.
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What is a high?
(Using page 14 of the Earth Science Reference Tables, you will see
that at 30°N it is dry. Dry weather is associated with highs.)
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