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A generalized view of the heat index showing how the perception of heat by the human body increases with temperature but more rapidly at higher humidity levels. The heat index of a given combination of temperature and humidity is defined as the dry-bulb temperature which would feel the same if the water vapor pressure were 1.6 kPa. Quoting ...
The heat index -- what temperature it feels like with humidity -- soared to a scorching 115 degrees in Chicago on Tuesday. Summer scorcher: Dangerous heat to head to Northeast after slamming ...
A heat index of 103 or greater is considered dangerous, based on the National Weather Service heat index chart. The peak heat index forecast for the Rochester area will be 103 degrees on Wednesday ...
If you have been outside in the last few weeks, you don't need a meteorologist to tell you that not only is it hot, but based on air temperature and relative humidity, this dangerous heat is...
In the week beginning May 12, five daytime heat records were broken, including May 15's 98 degrees, which broke a 1992 record by four degrees.
According to NWS, a heat advisory is issued within 12 hours of the onset of "extremely dangerous" heat conditions where the maximum heat index temperature is expected to be 100 degrees or higher ...
A new color-coded heat warning system relies on magenta to alert Americans to the most dangerous conditions they may see this summer. The National Weather Service and the Centers for Disease ...
The National Weather Service Tallahassee warned "dangerously hot conditions with heat index values up to 115 expected" today. The warning remains in effect until 7 p.m. CDT or 8 p.m. EDT Thursday ...