RED FLAG WARNING FOR: East Slopes of the Southern Washington Cascades Eastern Washington Southern Columbia Basin Lower Columbia Basin of Washington ...Breezy winds and low relative humidity wednesday through friday... .Hot and dry conditions will continue through the next few days. Furthermore...Later today...A weak disturbance will cause westerly winds to increase. Winds will increase further on thursday with the arrival of a dry cold front. Winds will decrease slightly on friday but will remain breezy. These stronger winds and persistent low relative humidity...In combination with critically dry fuels...May result in rapid fire spread. Red flag warnings have been issued for wednesday afternoon through friday evening along the east slopes of the northern oregon cascades...Including the eastern columbia river gorge...And across north central oregon and the lower columbia basin. ...Red flag warning remains in effect from 2 pm this afternoon to 11 pm pdt friday for wind and low relative humidity across fire weather zones or610...Or639...Or640...Or641...Wa639...Wa641 and wa675... A red flag warning remains in effect from 2 pm this afternoon to 11 pm pdt friday. * Affected area...In orz610...Fire weather zone 610 east slopes of central oregon cascades. In orz639...Fire weather zone 639 east slopes of the northern oregon cascades. In orz640...Fire weather zone 640 central mountains of oregon. In orz641...Fire weather zone 641 lower columbia basin of oregon. In waz639... Fire weather zone 639 east slopes of the southern washington cascades. In waz641...Fire weather zone 641 lower columbia basin of washington. In waz675...Fire weather zone 675 eastern washington southern columbia basin. * Timing...Winds will increase each afternoon and evening wednesday through friday then decrease overnight. * Winds...West 10 to 20 mph with gusts up to 30 mph on wednesday and friday. Winds will strengthen further to 15 to 25 mph with gusts to 35 mph on thursday. * Relative humidity...As low as 10 percent. * Impacts...The combination of winds... Low humidity... And critically dry fuels may result in rapid fire spread. A red flag warning means that critical fire weather conditions are either occurring now...Or will shortly. A combination of strong winds...Low relative humidity...And warm temperatures can contribute to extreme fire behavior.
Posted on: Wed, 16 Jul 2014 17:10:20 +0000
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