jump fire

jump fire

[′jəmp ‚fīr]
(forestry)
A fire carried ahead of a forest fire by wind-borne burning material.
References in periodicals archive ?
On Friday I drove around looking for hot spots, but with the winds (up to 50 km/h) by 10 in the morning, there were fires all over," said Youngchief, adding a spark can easily jump fire guards such as pre-burnt grass and tilled land.
The idea is that if you (liken) the beetle to afire, this could be compared to a jump fire and we're trying to contain it into the southern parts of Ontario where it mainly infests Scotch pine.