A Variety Of Weather Hazards To Start Off The Week

Wind Speed Calculations

Enter a speed into any blank to convert to all other wind speeds.

mph knots m/sec km/hr

Wind Chill Calculation

Enter the temperature in degrees Fahrenheit and wind speed in mph, then click on the Calculate WC to compute the windchill index.

Temp
(^oF)

Wind
(mph)

Wind Chill Index

In central Florida, ongoing major to record river flooding across a couple of river basins is expected to continue well into this week and will be slow to recede in the wake of Ian. Locally heavy to excessive rain is possible along the immediate Mid-Atlantic coast. Elevated fire weather conditions are expected in the central Plains. It will be warm in the Northwest and the Plains. Read More >

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Weather Calculators

Temperature Conversion
Enter a number then click on the the conversion button.
Fahrenheit (^oF)
Celsius (^oC)

Relative Humidity Calculation
Enter the air temperature and the dew point in degrees Fahrenheit, then click on the Calculate RH to compute the relative humidity.
Temp (^oF)		Dew Point

Heat Index Calculations
Enter the temperature in degrees Fahrenheit and relative humidity (RH) in percent (without the % sign), or the Dew Point (T_dp). Then click on the Calculate HI to compute the heat index (HI).
Temp (^oF)	RH	HI	T_dp
OR
Temp (^oF)	T_dp	HI	RH