Areas Affected: Central Mountains of Oregon; Deschutes National Forest - minus Sisters Ranger District; East Slopes of Central Oregon Cascades
...SCATTERED THUNDERSTORMS TODAY THROUGH FRIDAY ACROSS CENTRAL
AND NORTHEAST OREGON AND SOUTHEAST WASHINGTON...
.A low pressure system moving across the region will bring
scattered thunderstorms to central Oregon this afternoon then
across eastern Oregon and southeast Washington tonight and
Friday. Most storms will bring less than a tenth of an inch of
...RED FLAG WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 5 AM
PDT FRIDAY FOR ABUNDANT LIGHTNING AND GUSTY OUTFLOW WINDS FOR FIRE
WEATHER ZONES 610, 611 AND 640...
The National Weather Service in Pendleton has issued a Red Flag
Warning, which is in effect from 3 PM this afternoon to 5 AM PDT
Friday. The Fire Weather Watch is no longer in effect.
* AFFECTED AREA...In Oregon...Fire weather zones 610...611... and 640 covering the east slopes of the Oregon Cascades, Central Oregon, and the Prineville District.
* TIMING...Scattered thunderstorms will develop this afternoon and evening and will decrease to isolated thunderstorms after midnight.
* LIGHTNING ACTIVITY...3 in the afternoon and evening... decreasing to 2 overnight.
* PRECIPITATION...A tenth of an inch or less with most storms.
* IMPACTS...Any fires that develop will likely spread rapidly.
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.
Areas Affected: Eastern Curry County and Josephine County; Jackson County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Siskiyou Mountains and Southern Oregon Cascades; South Central Oregon Cascades
...AIR QUALITY ALERT IN EFFECT UNTIL 5 PM PDT SATURDAY... Oregon Department of Environmental Quality has issued an Air Pollution Advisory...in effect until 5 PM PDT Saturday. Wildfires burning in the region combined with forecast conditions will cause air quality levels to fluctuate and could be unhealthy or even hazardous at times. Unhealthy to very unhealthy conditions are likely today and Friday and even into the weekend with only brief or temporary improvements. Pollutants in smoke can cause burning eyes...runny nose...aggravate heart and lung diseases...and aggravate other serious health problems.Limit outdoor activities and keep children indoors if it is smoky. Please follow medical advice if you have a heart or lung condition. For additional information...please visit the web site at http://www.oregon.gov/deq
Areas Affected: Klamath Basin and the Fremont-Winema National Forest; South Central Oregon Desert including the BLM Land in Eastern Lake and Western Harney Counties; Southern Oregon Cascades; Umpqua National Forest
...Isolated to scattered thunderstorms expected today for eastern
Fire Weather Zone 617, northern portions of Fire Weather Zones 623
and 624, and northern and eastern portions of Fire Weather Zone
.Upper level low pressure approaching from the west is expected to
result in another round of isolated to scattered thunderstorms
across portions of southwest Oregon. The best potential for
scattered thunderstorms will be in the northern portions of
Klamath and Lake counties.
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 PM PDT THIS EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR
FIRE WEATHER ZONES 617...623...624...AND 625...
* Impacts: Isolated to scattered thunderstorms combined with very dry vegetation are likely to result in new fire starts. Gusty thunderstorm winds could contribute to fire spread. Despite rainfall with some of the thunderstorms, initial attack resources could be overwhelmed and holdover fires are possible.
* Affected area: In Fire Weather Zone 617, areas east of Toketee Falls and the Willamette National Forest portion. In Fire Weather Zone 623, areas east of Union Creek and from Crater Lake National Park northward. In Fire Weather Zone 624, areas north of Chiloquin and Sprague River, including Chemult. This includes the Timber Crater 6 and 10 fires. In Fire Weather Zone 625, areas north and east of Paisley, including Summer Lake and Fort Rock, and also areas from Hart Mountain Wildlife Refuge eastward.
* Thunderstorms: Scattered thunderstorms are expected from Crater and Diamond Lakes northeastward and across northern Klamath and Lake counties. Confidence in thunderstorms occuring in that area is high. Isolated thunderstorms are expected as far south as just north of Sprague River, and for some areas east of Summer Lake in Lake and Harney counties. Confidence in thunderstorms occuring in that area is moderate.
* View the hazard area in detail at https://www.wrh.noaa.gov/mfr/hazard
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