The Weather Calculator

by Tim Brice and Todd Hall 

 

Temperature Conversions: 

Temperature Unit Conversion

Formulas

Heat Index

Formula

Wind Chill 

Formulas

Cricket Chirps   (Just for fun)

Formula

Moisture Conversions 

Dewpoint and Wet-bulb from Relative Humidity

Formulas

Relative Humidity and Wet-bulb from Dewpoint

Formulas

Relative Humidity and Dewpoint from Wet-bulb

Formulas

Vapor Pressure

Formulas

Mixing Ratio

Formulas

Virtual Temperature

Formulas

Pressure Conversions 

Pressure Unit Conversion

Formulas

Station Pressure

Formulas

Altimeter Setting

Formulas

Pressure Altitude

Formulas

Density Altitude

Formulas

Wind Conversions

Wind Speed Unit Conversion

Formulas

Misc

Speed of Sound

Formulas

Weather Term Calculator (Just for fun)

 

Showalter Index

Formulas

The old CGI-BIN script files are still available to look at.

Didn't see something you wanted, drop me a suggestion: tim.brice@noaa.gov