Exam 2, WX 201 Questions and Answers Graded A+
The heat index (HI) is used by the National Weather Service, and combines ____ with ____ to
determine an apparent temperature.
- dew point temperature; mixing ratio
- air temperature; specific humidity
- actual vapor pressure; specific humidity
- air temperature; relative humidity
- mixing ratio; saturation vapor pressure
air temperature; relative humidity
The initial stage of an ordinary thunderstorm is the
- dissipating stage
- multicell stage
- primary stage
- mature stage
- cumulus stage
cumulus stage
On average, the water equivalent of 10 inches of snow is about ____ inch(es) of water.
- 2.5
-2
-1
-5
- 0.5
1
Hail is usually associated with ____ clouds.
- stratus
- cumulus
- stratocumulus
- altocumulus
- cumulonimbus
cumulonimbus
Large raindrops fall ____ smaller raindrops, and have ____ terminal velocity than/as small raindrops.
- at the same rate as; the same
- faster than; a lesser
- slower than; a lesser
- faster than; a greater
- slower than;, a greater
faster than; a greater
The growth of a precipitation particle by the collision of an ice crystal (or snowflake) with a
supercooled liquid droplet is called
- collision.
, - spontaneous nucleation.
- deposition.
- accretion.
- condensation.
accretion.
If you observe large raindrops hitting the ground, you could probably say that the cloud overhead was
____ and had ____ updrafts.
- thick; weak
- thin; weak
- thin; no
- thin; strong
- thick; strong
thick; strong
In a rising unsaturated thermal, the dew-point temperature
- decreases at the same rate as the parcel temperature.
- decreases at a slower rate than the parcel temperature.
- increases at a slower rate than the parcel temperature.
- increases at a faster rate than the parcel temperature.
- always remains the same.
decreases at a slower rate than the parcel temperature.
Radiation fog typically forms on
- clear, calm days.
- clear, windy days.
- clear, calm nights.
- clear, windy nights.
- any day and in any conditions.
clear, calm nights.
The elevation where clouds form is called ____ level.
saturation
cloud formation
condensation
adiabatic
precipitation
condensation
The region of a cloud where only ice particles exist is called
- coated.
- nucleated.
- glaciated.
- iced.
- graupled.
glaciated
The heat index (HI) is used by the National Weather Service, and combines ____ with ____ to
determine an apparent temperature.
- dew point temperature; mixing ratio
- air temperature; specific humidity
- actual vapor pressure; specific humidity
- air temperature; relative humidity
- mixing ratio; saturation vapor pressure
air temperature; relative humidity
The initial stage of an ordinary thunderstorm is the
- dissipating stage
- multicell stage
- primary stage
- mature stage
- cumulus stage
cumulus stage
On average, the water equivalent of 10 inches of snow is about ____ inch(es) of water.
- 2.5
-2
-1
-5
- 0.5
1
Hail is usually associated with ____ clouds.
- stratus
- cumulus
- stratocumulus
- altocumulus
- cumulonimbus
cumulonimbus
Large raindrops fall ____ smaller raindrops, and have ____ terminal velocity than/as small raindrops.
- at the same rate as; the same
- faster than; a lesser
- slower than; a lesser
- faster than; a greater
- slower than;, a greater
faster than; a greater
The growth of a precipitation particle by the collision of an ice crystal (or snowflake) with a
supercooled liquid droplet is called
- collision.
, - spontaneous nucleation.
- deposition.
- accretion.
- condensation.
accretion.
If you observe large raindrops hitting the ground, you could probably say that the cloud overhead was
____ and had ____ updrafts.
- thick; weak
- thin; weak
- thin; no
- thin; strong
- thick; strong
thick; strong
In a rising unsaturated thermal, the dew-point temperature
- decreases at the same rate as the parcel temperature.
- decreases at a slower rate than the parcel temperature.
- increases at a slower rate than the parcel temperature.
- increases at a faster rate than the parcel temperature.
- always remains the same.
decreases at a slower rate than the parcel temperature.
Radiation fog typically forms on
- clear, calm days.
- clear, windy days.
- clear, calm nights.
- clear, windy nights.
- any day and in any conditions.
clear, calm nights.
The elevation where clouds form is called ____ level.
saturation
cloud formation
condensation
adiabatic
precipitation
condensation
The region of a cloud where only ice particles exist is called
- coated.
- nucleated.
- glaciated.
- iced.
- graupled.
glaciated
