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Observations of snow, sleet, freezing rain Sun-Tue Dec 1-2-early 3


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9 minutes ago, LibertyBell said:

based on that definition, the wet bulb temperature seems to be same as the dew point?

 

No....LB

The dewpoint temperature is the temperature at which the air can no longer "hold" all of the water vapor which is mixed with it, and some of the water vapor must condense into liquid water. The dew point is always lower than (or equal to) the air temperature

 

Current conditions at

New York City, Central Park (KNYC)

Lat: 40.78°NLon: 73.97°WElev: 154ft.

Unknown Precip

32°F

-0°C

Humidity 85%
Wind Speed NE 10 G 21 mph
Barometer 29.87 in (1010.7 mb)
Dewpoint 28°F (-2°C)  --------
Visibility 8.00 mi
Wind Chill 24°F (-4°C)
Last update 1 Dec 12:51 pm EST
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4 minutes ago, Doorman said:

No....LB

The dewpoint temperature is the temperature at which the air can no longer "hold" all of the water vapor which is mixed with it, and some of the water vapor must condense into liquid water. The dew point is always lower than (or equal to) the air temperature

ah okay!  So the wet bulb only equals the dew point when the relative humidity is 100%, at which point they both intersect with the actual temperature!

 

wait, I reread the definition for wet bulb you posted and it is also always either equal to or lower than the actual temp?

 

can wet bulb be used in place of dew point for heat index calculations?

 

 

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1 minute ago, LibertyBell said:

ah okay!  So the wet bulb only equals the dew point when the relative humidity is 100%, at which point they both intersect with the actual temperature!

 

can wet bulb be used in place of dew point for heat index calculations?

 

 

do the math....then you have your answer

 

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