Search results
Results from the WOW.Com Content Network
Haines Index (also known as the Lower Atmosphere Severity Index) is a weather index developed by meteorologist Donald Haines in 1988 that measures the potential for dry, unstable air to contribute to the development of large or erratic wildland fires. [1]
Temperature of atmosphere links to adiabatic flame temperature (i.e., heat will transfer to a cooler atmosphere more quickly) How stoichiometric the combustion process is (a 1:1 stoichiometricity) assuming no dissociation will have the highest flame temperature; excess air/oxygen will lower it as will lack of air/oxygen
The theoretical maximum possible ground surface temperature has been estimated to be between 90 and 100 °C (194 and 212 °F) for dry, darkish soils of low thermal conductivity. [14] While there is no highest confirmed ground temperature , a reading of 93.9 °C (201.0 °F) – the highest ever among unverified claims – was allegedly recorded ...
The normal high temperature for early October is 65 to 70, the weather service says. The record high for Tuesday's date, Oct. 3, in the Providence area is 83 degrees, set in 1919 and matched in 1922.
A wildfire, forest fire, or a bushfire is an unplanned, uncontrolled and unpredictable fire in an area of combustible vegetation. [ 1 ] [ 2 ] Depending on the type of vegetation present, a wildfire may be more specifically identified as a bushfire ( in Australia ), desert fire, grass fire, hill fire, peat fire, prairie fire, vegetation fire, or ...
It’s so consistently hot during the summer that it takes extreme conditions to spike the temperature in Death Valley: "In places like this — the hottest spots on Earth when averaged over long ...
The last two components are the rate of fire spread if fuel is available for combustion, and the frontal fire intensity. [2] The essential information needed to calculate this index is: the humidity of the air at the beginning of the afternoon (when it has its lowest value); the temperature in the middle of the afternoon (when it has its ...
Firefighters in western Canada are battling the first major wildfires of 2024, which sparked into life after unseasonably warm temperatures and an ongoing drought left forests tinder-dry. Wildfire ...