Weather is the study of all things that you may take for granted on a daily basis – namely, the rain, the clouds in the sky, sunny days, warm climates and thunder and lightning. How much do you know about it?
Objects on the surface
A dart leader
A positive streamer
A return stroke
Contain thunder and lightning
Have an anvil
Have a tilted updraft in the mature stage
Have a strong updraft and downdraft
Contain hail
Spring
Winter
Summer
Fall
Collisions with graupel
Accretion of supercooled droplets
Collisions with frozen raindrops
Sublimation
900 mb
930 mb
1020 mb
1010 mb
1000 mb
It deflects winds in opposite directions in the Northern and Southern Hemispheres
It can cause winds to change direction, but not to increase or decrease in speed
It causes the winds to deflect to the right in the Northern Hemisphere
It is strongest at the equator
The hardness of the hail
The size of the hail
All of these factors
The angle of impact of the hail
Ordinary
Multicell
Squall line
Supercell
Steadily rising pressure
Steadily falling pressure
Constant pressure
Fluctuating pressure
North Dakota
Texas and Oklahoma
The southeast US
The central plains
Below freezing, very cold
About 0 degrees c
Below freezing, moderately cold
Warm (above freezing)
Gravity
Altitude
Density
Temperature
Cool slowly
Cool rapidly
Warm slowly
Warm rapidly
Timing the return of the pulse
Measuring the frequency shift of the pulse
Satellite sensors
The strength of the pulse returning to the radar
Shift
Range
Pulse
Reflectivity
Velocity
The clouds emit infrared radiation
The clouds reflect light coming from the moon
The clouds emit visible light
The clouds reflect visible light from the sun
Decrease, more slowly
Increase, more slowly
Increase, more rapidly
Decrease, more rapidly
Counterclockwise and inward toward the center
Counterclockwise and outward from the center
Clockwise and inward toward the center
Clockwise and outward from the center
Locations with the same dew point temperature
Locations with the same temperature
Fronts
All of these
Locations with the same sea level adjusted pressure
15
45
3
5
When the downdraft spreads throughout the cloud and cuts off the updraft
When all the precipitation particles in the cloud turn to ice
Lightning neutralizes all the electrical charge in the cloud
When solar heating at the ground begins to decrease
Return stroke
Positive streamer
Stepped leader
Building electrical potential
High, high
Low, low
High, low
Low, high
Dissipating
Mature
Multicell
Cumulus
Stay the same
Increase
Decrease
Pressure is falling in one air mass and rising in the other
One air mass is moving faster than the other
One of the air masses encounters topographical features on the ground
One air mass is denser than the other
MP
MT
CT
CF
CA
Lasts for up to 10 seconds
Does not occur indoors
All of these are true
Is extremely bright
Does not move
To occur, flash floods require a well defined stream channel
Flash floods only occur at night
Flash floods can occur during drought conditions
Only intense rainfall can produce a flash flood
A thunderstorm cluster
Air-mass thunderstorms
Mature thunderstorms
A multicell thunderstorm
Floods
Tornadoes
Hail
Lightning
Above, vertical
Below, vertical
Above, horizontal
Below, horizontal
An outflow boundary
The anvil process
Convective lifting
Topography lifting
Automated stations
Observers from the community
Police and fire departments
National weather service employees
Upward, downward
Downward, downward
Upward, upward
Downward, upward
The flash occurring inside the cloud
The stepped leader traveling the original path
A very low cloud base
Wind spreading the ionized channel
Sinks and cools
Rises and cools
Sinks and warms
Rises and warms
Circulation around a low pressure center
Circulation around a high pressure center
Counterclockwise flow
Clockwise wind flow
Overrunning occurs along a warm front
A cold front overtakes a warm front
A warm front overtakes a cold front
A cold front overtakes a squall line
80
100
60
20
40
Convection
Hail
Water vapor
Precipitation
Unstable environment
Contours
Isobars
Isotherms
Millibars
Are in orbit around the sun, not the earth
Orbit the earth once in 24 hours
Orbit the earth about once every 5 hours
Orbit the earth in about 100 minutes
Warmer and moister
Colder and drier
Colder and moister
Warmer and drier
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