Heavy to Excessive Rainfall and the Potential for Flash Flooding Across the Southeast U.S.

Heavy to Excessive Rainfall and the Potential for Flash Flooding Across the Southeast U.S.

Weather Calculator

Post Tropical Cyclone Francine will continue to bring a heavy rain, flash and river flooding threat over the Southeast U.S. and Tennessee Valley today. In addition to the heavy rain, isolated strong to severe thunderstorms capable of producing tornadoes will be possible through this afternoon from the Florida Panhandle into central Tennessee. Read More >

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

Follow us on Twitter

Follow us on Facebook

Follow us on YouTube

SHV RSS Feed

Station Pressure Calculation
What is the current altimeter (inches)?
What is the station elevation? (feet) i.e. St. Louis - Lambert= 710

The Station Pressure in inches is:
The Station Pressure in millibars is:
The Pressure Altitude in feet is:

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