National Weather Service United States Department of Commerce

Disturbance Along North Carolina Coast; Severe Storms in the Central U.S.; Widespread Heat Concerns

The National Hurricane Center is monitoring an area of low pressure just offshore of North Carolina for tropical or subtropical development. Heavy rain, flooding and gusty winds are possible along coastal sections of the Mid-Atlantic and Northeast the next few days. Severe storms are likely today in the Central U.S. and heat related products extend from the Southwest into parts of the East. Read More >

Mixing Ratio

by Tim Brice and Todd Hall
 
 
Enter a temperature and a pressure or a dewpoint and a pressure or both a temperature and a dewpoint and a pressure:
Mixing Ratio
If you want the saturated mixing ratio enter the air temperature:  saturated mixing ratio:
Fahrenheit Celsius Kelvin grams per kilogram
If you want the actual mixing ratio enter the dewpoint:  actual mixing ratio:
Fahrenheit Celsius Kelvin grams per kilogram
Enter your actual station pressure (not the altimeter setting):  relative humidity - requires both temp and dewpoint
in of mercury mm of mercury millibars (hPA) %
If you enter both a temperature and dewpoint you'll get a bonus answer.  

 

What is the formula for the mixing ratio script?