National Weather Service United States Department of Commerce

Tropical Storm Milton Strengthening in the Gulf of Mexico; Dangerous Heat in the Southwest

A late season heat wave will continue across portions of California into the Desert Southwest. Meanwhile, Tropical Storm Milton is strengthening in the southwest Gulf of Mexico. Milton is expected to become a major hurricane and bring significant impacts to Florida this upcoming week. Read More >

El Paso, TX

Weather Forecast Office

Vapor Pressure Calculator

Weather.gov > El Paso, TX > Vapor Pressure Calculator

Vapor Pressure

by Tim Brice and Todd Hall
 
 
Enter a temperature or a dewpoint or both:
Vapor Pressure
If you want the saturated vapor pressure enter the air temperature:  saturated vapor pressure:
  Fahrenheit Celsius Kelvin mb in of HG mm HG 
hPA kPA lbs per square in
If you want the actual vapor pressure enter the dewpoint:  actual vapor pressure:
  Fahrenheit Celsius Kelvin mb in of HG mm HG 
hPA kPA lbs per square in
If you enter both the air temperature and the dewpoint you'll get a bonus answer.  relative humidity - requires both temp and dewpoint
  %

 

What is the formula for the vapor pressure script?

 

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