Weather Unit Test
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Question
A forecast indicates a dew point temperature equal to the air temperature. What does this information imply?(1 point)
Responses
Relative humidity is 100%, and it may rain.
Relative humidity is 100%, and it may rain.
Relative humidity is 100%, and there is no chance of rain.
Relative humidity is 100%, and there is no chance of rain.
Relative humidity is 0%, and there is no chance of rain.
Relative humidity is 0%, and there is no chance of rain.
Relative humidity is 0%, and it may rain.
Relative humidity is 100%, and it may rain.
The correct response is: Relative humidity is 100%, and there may be a chance of rain.
To determine the implication of a forecast indicating a dew point temperature equal to the air temperature, we need to understand the relationship between these factors and relative humidity.
The dew point temperature is the temperature at which the air becomes saturated and can no longer hold all of its water vapor, resulting in the formation of dew or fog.
Relative humidity measures the amount of moisture present in the air relative to the maximum amount it can hold at a given temperature.
When the dew point temperature is equal to the air temperature, it means that the air is saturated with moisture, and the relative humidity is 100%. This indicates that the air is holding the maximum amount of water vapor it can at that temperature, and any further cooling would result in condensation, such as dew, fog, or precipitation (rain).
Therefore, the correct response is: Relative humidity is 100%, and it may rain.