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  The Dreelin Weather Station - Weather Conversions


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Weather Related Conversions

Credit for this page goes wholly to the authors (listed at the bottom of the page) and to NOAA

Temperature Conversion
Enter a number then click on the appropriate number to see the result.

Fahrenheit (oF)

Celsius (oC)

Wind Chill/Temperature Index Calculation
Enter in the air temperature ( Tair ) in degrees Fahrenheit and wind speed in mile per hour ( mph ), then click on the Calculate WC to compute the windchill ( WC ).

Tairo F

mph

Relative Humidity Calculation (Fahrenheit)
Enter in the air temperature ( Tair ) and dew point temperature ( Tdp) in degrees Fahrenheit ( oF ) then click on the Calculate RH to compute the relative humidity ( RH ).

Tair ( o F )

Tdp ( o F )

RH
Tair
Tdp

Relative Humidity Calculation using degrees Celsius
Enter in the air temperature ( Tair ) and dew point temperature ( Tdp) in degrees Celsius ( oF ) then click on the Calculate RH to compute the relative humidity ( RH ).

Tair ( o C )

Tdp ( o C )

RH
Tair
Tdp

Heat Index Calculation using degrees Fahrenheit (temp/dewpoint)
Enter in the air temperature ( Tair ) the dew point temperature ( Tdp ) in degrees Fahrenheit, then click on the Calculate HI to compute the heat index ( HI).

Tair in °F

Tdp in °F

RH =

Heat Index Calculation using degrees Fahrenheit (temp/RH)
Enter in the air temperature ( Tair ) in degrees Fahrenheit and relative humidity ( RH ) in percent ( without the % sign ), then click on the Calculate HI to compute the heat index ( HI ).

Tair in °F

 

RH

Tdp =

Fire Weather Conversions

Feet to Meters

Feet: 

Meters: 

MPH to MPS

MPH: 

MPS: 

Wind Speed Conversions
Answers:
mph mph
knots knots
m/s m/s
ft/s ft/s
km/h km/h


Original concepts by Ron Murphy, WFO BGM & Todd Hall, Tim Brice, WFO ELP & Jason Elliott, WFO MEG  

Script is by Ron Murphy. Updated 8/18/1999. Coding edited by Jason Elliott for additional elements. Updated 6/14/2002