A low pressure system will bring heavy to excessive rainfall and high winds across Montana this afternoon. Heavy rainfall totals may lead to scattered flash flooding concerns. A line of showers and strong to severe thunderstorms will move into the mid Missouri Valley region this afternoon producing severe winds and isolated large hail with stronger storms. Read More >
Washington CWSU
Center Weather Service Unit
|
Temperature Conversion |
||||
| Enter a number then click on the the conversion button. | ||||
| Fahrenheit (o F) |
||||
| Celsius (o C) |
||||
|
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 (o F) |
Wind (mph) |
Index |
||||
|
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 (o F) |
Dew Point |
|||||
|
Heat Index Calculations |
|||||||
| Enter the temperature in degrees Fahrenheit and relative humidity (RH) in percent (without the % sign), or the Dew Point (Tdp). Then click on the Calculate HI to compute the heat index (HI). | |||||||
| Temp (o F) |
RH | HI |
Tdp |
||||
|
OR |
|||||||
| Temp (o F) |
Tdp | HI | RH | ||||
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Washington CWSU
Washington ARTCC Center Weather Service Unit
825 East Market Street
Leesburg, VA 20176-4496
703-771-3480
Comments? Questions? Please Contact Us.
Follow us on Facebook
ZDC RSS Feed
