fire weather


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fire weather

[′fīr ‚weth·ər]
(meteorology)
The state of the weather with respect to its effect upon the kindling and spreading of forest fires.
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WITH CLIMATE CHANGE turning up the heat, a volatile combination of higher temperatures, low rainfall, and dry weather is making extreme fire weather more frequent in the West than in the past few decades.
Do not park vehicles in tall, dry grass if a fire weather watch or fire weather/red flag warning has been issued.
The FlamMap fire modeling system (Finney 2006) is used to project crown fire behavior under constant, non-extreme fire weather conditions for every pixel across the project area, and these fire behavior estimates are used to infer areas of high burn severity.
Traditional meteorological stations were designed for general monitoring purposes and mainly reference the World Meteorological Organizations specifications, whereas dedicated Fire Weather stations are for a specialized purpose and reference the more demanding fire weather specs required by federal government departments such as the National Interagency Fire Center in the US.
According to the Sydney Morning Herald, the report found that while Australia has always experienced bushfires, climate change is increasing the probability of extreme fire weather days.
Met Eireann's fire weather index also warned that persistent dry and windy weather means there is a high to extreme risk of wildfires into the weekend.
Drought and heat fuelled the fire risk in the southeastern parts of the country and the off-the-scale heat wave conditions produced bushfires so ferocious that 'very extreme' and 'catastrophic' categories have been added to the official fire weather index.
This week on Thursday we're expecting some bad fire weather, and we'll see some areas with extreme fire issues.
The strong El Nino in the southern Pacific Ocean over the winter flexed its muscle," notes Robyn Heffeman, the deputy fire weather program manager for NIFC.
We used the adjusted daily output from the two GCMs to generate the six standard indices (FFMC, DMC, DC, ISI, BUI, and FWI, defined below) that account for the effects of fuel moisture and wind on fire behaviour in the Fire Weather Index (FWI) System (Van Wagner, 1987).