Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Temperature Conversion

Enter a number then click on the appropriate number to see the result.
Fahrenheit (^oF)

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

Wind Chill/Temperature Index Calculation in degrees Celsius Enter in the air temperature ( T_air ) in degrees Celsius and wind speed in miles per hour, then click on the Calculate WC to compute the windchill ( WC ).
T_air ^o C		mph

Relative Humidity Calculation using degrees Fahrenheit Enter in the air temperature ( T_air ) and dew point temperature ( T_dp) in degrees Fahrenheit ( ^oF ) then click on the Calculate RH to compute the relative humidity ( RH ).
T_air ( ^o F )		T_dp ( ^o F )			RH T_air T_dp

Relative Humidity Calculation using degrees Celsius Enter in the air temperature ( T_air ) and dew point temperature ( T_dp) in degrees Celsius ( ^oF ) then click on the Calculate RH to compute the relative humidity ( RH ).
T_air ( ^o C )		T_dp ( ^o C )			RH T_air T_dp

Heat Index Calculation

Valid entries are, air temperatures greater than 80 °F ( 27 °C ), dew point temperatures greater than 65 °F ( 12 °C ), and relative humidities higher than 40 percent.

in Celsius Enter in the air temperature ( T_air ) and the dew point temperature ( T_dp ) in degrees Celsius, then click on the Calculate HI to compute the heat index ( HI).
T_air in °C		T_dp in °C				RH =

in Fahrenheit Enter in the air temperature ( T_air ) the dew point temperature ( T_dp ) in degrees Fahrenheit, then click on the Calculate HI to compute the heat index ( HI).
T_air in °F		T_dp in °F				RH =

in Celsius Enter in the air temperature ( T_air ) in degrees Celsius and relative humidity ( RH ) in percent ( without the % sign ), then click on the Calculate HI to compute the heat index ( HI ).
T_air in °C		RH				T_dp =

in Fahrenheit Enter in the air temperature ( T_air ) in degrees Fahrenheit and relative humidity ( RH ) in percent ( without the % sign ), then click on the Calculate HI to compute the heat index ( HI ).
T_air in °F		RH				T_dp =

Last modified 08.17.2001

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Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

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