National Weather Service United States Department of Commerce

Atmospheric River to Impact the Northwest; Windy Conditions in the Northeast

A strong atmospheric river moving into northern California later today will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through Wednesday. Gusty winds and isolated showers are expected today in the Northeast U.S. behind a cold front. Wind Advisories have been issued. Read More >

 

Meteorological Calculator
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Not sure how to convert Fahrenheit to Celsius? Would you like to calculate the Heat Index or Wind Chill Factor? You have come to the right place!
 
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Temperature Conversion
Enter a number then click on "Compute C" or "Compute F" to see the result.
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Wind Chill Index Calculation
Enter in the air temperature (Tair) in degrees Fahrenheit and wind speed (mph), then click "Compute WC" to get the wind chill index (WCI). For more information about the WCI, click here.
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Relative Humidity Calculation
Enter in the air temperature (Tair) and dew point temperature (Tdp) in degrees Fahrenheit (oF) then click on "Compute RH" to get the relative humidity (RH).
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Heat Index Calculation
Enter in the air temperature (Tair) in degrees Fahrenheit and relative humidity (RH) in percent (without the % sign), then click on "Get HI" to compute the heat index (HI). For more information about the HI, click here.
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Tair Tdp RH=