Met Obs: Temperature & Humidity

Front 1

________ refers to the free air temperature at a height of between ____ and ___ meters.

Back 1

Surface Air Temeprature

1.25

2

Front 2

_____ is the lowest temperature obtained after evaporating water from the wick-covered bulb of a thermometer at a specified rate of ventilation

Back 2

Wet Bulb Temperature

Front 3

Wet Bulb temperature differs from the dry bulb temperature by an amount dependent on the temperature and humidity of the air. This difference is called

Back 3

Wet Bulb Depression

Front 4

Is the temperature at which a sample of air must be cooled to attain saturation with respect to water, while mixing ratio and barometric pressure remain constant

Back 4

Dew point temperature

Front 5

Is the natural temperature of the ambient atmosphere at the point and time of observation

Back 5

Dry bulb temperature

Front 6

The thermometer shelter should be installed in such a position as to afford protection of the interior of the scree from ____ when the door is opened for readings. For this purpose, the door of the screen should preferably facing _____ in the Northen Hemisphere

Back 6

The direct rays of the sun;

North

Front 7

Thermometers should be installed inside a _____.

Back 7

Thermometer shelter

Front 8

Also known as the apparent temperature, is what the temperature feels like to the human body when relative humidity is combined with the air temperature

Back 8

Heat index

Front 9

______ is the amount of water vapor in the atmosphere

Back 9

Humidity

Front 10

___ error should be avoided to correctly determine the temperature from a thermometer.

Back 10

Parallax

Front 11

*The ratio in percent of vapor pressure of water vapor in the air to the saturation vapor pressure that would exist if the sample of air were saturated at the same pressure and temperature

Back 11

Relative Humidity

Front 12

Name 4 typical thermometers found inside thermometer shelter

Back 12

1. Psychrometer

2. Hygrothermograph

3. Max & Min Thermometers mounted on a townsend support

4. Thermograph

Front 13

A _____ measures the degree of hotness or coldness of a substance; work on principle of thermal expansion

Back 13

Thermometer

Front 14

____ is an instrument that records air temperature continuously on a graphing paper. It usually consists of a cylinder made to revolve once each week by means of clockworks inside.

Back 14

Thermograph