National Weather Service United States Department of Commerce

Super Typhoon Bavi to Impact Guam and the Mariana Islands; Excessive Rainfall and Flooding Threat in the Mid-Atlantic

Catastrophic Super Typhoon Bavi's eyewall has reached Rota and is expected to bring dangerous winds, heavy rainfall and storm surge to Guam, Rota, Tinian and Saipan. A Typhoon Warning remains in effect. Heavy to excessive rainfall will continue to bring a flooding threat from coastal Mid-Atlantic to southern New England through Monday. Read More >

Dewpoint

by Tim Brice and Todd Hall
 
 
Enter a temperature, dewpoint and actual station pressure
 
Temperature:  wet-bulb temperature
Fahrenheit Celsius Kelvin Fahrenheit
Dewpoint: Celsius
Fahrenheit Celsius Kelvin Kelvin
Enter your actual station pressure (not the altimeter setting):  relative humidity
in of mercury mm of mercury millibars (hPA) %

 

What is the formula for the dewpoint script?