* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...A portion of Northeast Washington, including the following
county, Spokane.
* WHEN...Until 530 PM PDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways. Ponding of water in urban or other areas is
occurring or is imminent.
* ADDITIONAL DETAILS...
- At 227 PM PDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area.
- Some locations that will experience flooding include...
Spokane, Spokane Valley, Cheney, Airway Heights, Medical
Lake, Millwood, Town And Country, Country Homes, Fairwood,
Dishman, Mead, Fairchild AFB, Trentwood, Green Acres,
Spangle, Marshall, Four Lakes, Opportunity, Valleyford and
Mica.
- http://www.weather.gov/safety/flood
At 658 PM PDT, Doppler radar was tracking a strong thunderstorm 17
miles northeast of Paradise, or 19 miles south of Lewiston, moving
northeast at 15 mph.
HAZARD...Winds in excess of 30 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to outdoor objects is
possible.
Locations impacted include...
Rogersburg and Waha.
A funnel cloud was reported at 5:47pm this evening near Tonasket,
associated with clusters of showers tracking north to south
between Tonasket and Bridgeport. Additional funnel clouds
possible through the evening as this activity moves through. If a
funnel cloud is spotted move indoors and report your sighting to
the National Weather Service.
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Portions of North Central and Northeast Washington,
including the following counties, in North Central Washington,
Okanogan. In Northeast Washington, Ferry.
* WHEN...Until 545 PM PDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways.
* ADDITIONAL DETAILS...
- At 243 PM PDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 0.75 and 1.1 inches of
rain have fallen.
- Some locations that will experience flooding include...
Nespelem Community. Owhi Lake.
- http://www.weather.gov/safety/flood
A low pressure system will bring increased moisture with increasing
showers and thunderstorms. Heavy rainfall amounts associated with
slow-moving thunderstorms may lead to flash flooding and debris
flows over recent burn scars and areas of steep terrain Monday
afternoon and evening.
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of North Central Washington, including the
following counties, Chelan and Okanogan.
* WHEN...From noon PDT today through this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations
including recent burn scars. Flash flooding of recent burn scars
may lead to debris flows.
* ADDITIONAL DETAILS...
- Scattered to numerous showers and thunderstorms will develop
Monday afternoon containing moderate to heavy rain.
- http://www.weather.gov/safety/flood
FFWOTX
The National Weather Service in Spokane has issued a
* Flash Flood Warning for...
The Cub Creek burn scar in...
Central Okanogan County in north central Washington...
* Until 815 PM PDT.
* At 510 PM PDT, Doppler radar indicated thunderstorms producing
heavy rain over the Cub Creek burn scar. Between 0.4 and 0.6
inches of rain have fallen. The expected rainfall rate is 0.75 to
1 inch in 1 hour. Flash flooding is ongoing or expected to begin
shortly.
Excessive rainfall over the burn scar will result in debris flow.
The debris flow can consist of rock, mud, vegetation and other loose
materials.
HAZARD...Flash flooding caused by thunderstorms in and around
the Cub Creek burn scar.
SOURCE...Radar.
IMPACT...Flooding of areas in and around the burn scar.
* Some locations that will experience flash flooding include...
Chewuch Campground, Falls Creek Campground and Camp Four
Campground.
At 323 PM PDT, Doppler radar was tracking a strong thunderstorm near
Sherman Pass, or 44 miles east of Omak. This storm was nearly
stationary.
HAZARD...Pea size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to outdoor objects is possible.
Locations impacted include...
Sherman Pass.
This includes U.S. Highway 20 in Washington between mile markers 311
and 331.
A low pressure system will bring increased moisture with increasing
showers and thunderstorms. Heavy rainfall amounts associated with
slow-moving thunderstorms may lead to flash flooding and debris
flows over recent burn scars and areas of steep terrain Monday
afternoon and evening.
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...A portion of North Central Washington, including the
following counties, Chelan and Okanogan.
* WHEN...From Monday afternoon through Monday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations
including recent burn scars. Flash flooding of recent burn scars
may lead to debris flows.
* ADDITIONAL DETAILS...
- Scattered to numerous showers and thunderstorms will develop
Monday afternoon containing moderate to heavy rain.
- http://www.weather.gov/safety/flood
* Affected Area: Foothills of Central Washington Cascades (Zone
705), Waterville Plateau (Zone 706), Western Columbia Basin
(Zone 707), Eastern Columbia Basin -Palouse -Spokane Area
(Zone 708) and Lower Palouse -Snake River (Zone 709).
* Winds: West to Southwest 10 to 20 mph with gusts up to 35 mph,
except 15 to 25 mph with gusts up to 40 MPH on the Waterville
Plateau.
* Relative Humidities: 10 to 20 percent.
* Impacts: Rapid fire spread is likely with any new or existing
fires.
* AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley.
* TIMING...Until 10 PM PDT this evening.
* WINDS...Northwest 15 to 25 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 15 percent.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
* AFFECTED AREA...Fire Weather Zones 691 Lower Columbia Basin of
Oregon, 691 Lower Columbia Basin of Washington and 701 Eastern
Columbia River Gorge of Oregon.
* TIMING...Until 10 PM PDT this evening.
* WINDS...West 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...13 to 20 percent.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
* Affected Area: Foothills of Central Washington Cascades (Zone
705), Waterville Plateau (Zone 706), Western Columbia Basin
(Zone 707), Eastern Columbia Basin -Palouse -Spokane Area
(Zone 708) and Lower Palouse -Snake River (Zone 709).
* Winds: West to Southwest 10 to 20 mph with gusts up to 35 mph,
except 15 to 25 mph with gusts up to 40 MPH on the Waterville
Plateau.
* Relative Humidities: 11 to 20 percent.
* Impacts: Rapid fire spread is likely with any new or existing
fires.
The National Weather Service in Spokane has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 2 PM to 10 PM PDT Friday. The Fire Weather Watch is no
longer in effect.
* Affected Area: Foothills of Central Washington Cascades (Zone
705), Waterville Plateau (Zone 706), Western Columbia Basin
(Zone 707), Eastern Columbia Basin -Palouse -Spokane Area
(Zone 708) and Lower Palouse -Snake River (Zone 709).
* Winds: West to Southwest 10 to 20 mph with gusts up to 35 mph,
except 15 to 25 mph with gusts up to 40 MPH on the Waterville
Plateau.
* Relative Humidities: 12 to 20 percent.
* Impacts: Rapid fire spread is likely with any new or existing
fires.
...DRY AND BREEZY TO WINDY CONDITIONS EXPECTED ACROSS PORTIONS OF
CENTRAL AND EASTERN OREGON AND SOUTH CENTRAL WASHINGTON THROUGH
FRIDAY...
.Warm, dry, and breezy to windy conditions are expected through
Friday across portions of central and eastern Oregon and central
Washington, especially through the Cascade gaps. Afternoon
relative humidity will be low to very low, and overnight relative
humidity recovery is forecast to be poor to moderate. Strongest
winds are expected Friday.
The National Weather Service in Pendleton has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 1 PM to 10 PM PDT Friday. The Fire Weather Watch is no
longer in effect.
* AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley.
* TIMING...From 1 PM to 10 PM PDT Friday.
* WINDS...West 15 to 25 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 15 percent.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
...DRY AND BREEZY TO WINDY CONDITIONS EXPECTED ACROSS PORTIONS OF
CENTRAL AND EASTERN OREGON AND SOUTH CENTRAL WASHINGTON THROUGH
FRIDAY...
.Warm, dry, and breezy to windy conditions are expected through
Friday across portions of central and eastern Oregon and central
Washington, especially through the Cascade gaps. Afternoon
relative humidity will be low to very low, and overnight relative
humidity recovery is forecast to be poor to moderate. Strongest
winds are expected Friday.
* AFFECTED AREA...Fire Weather Zones 691 Lower Columbia Basin of
Oregon, 691 Lower Columbia Basin of Washington and 701 Eastern
Columbia River Gorge of Oregon.
* TIMING...Until 10 PM PDT Friday.
* WINDS...West 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
* Affected Area: Foothills of Central Washington Cascades (Zone
705), Waterville Plateau (Zone 706), Western Columbia Basin
(Zone 707), Eastern Columbia Basin -Palouse -Spokane Area
(Zone 708) and Lower Palouse -Snake River (Zone 709).
* Winds: Southwest 10 to 20 mph with gusts up to 35 mph.
* Relative Humidities: 12 to 20 percent.
* Impacts: Rapid fire spread is possible.
* WHAT...Hot conditions with high temperatures in the 80s to near
90, and low temperatures in the upper 50s to low 60s. This will
pose a moderate risk of heat-related illness.
* WHERE...Portions of northwest and west central Washington.
* WHEN...Until 8 PM PDT this evening.
* IMPACTS...Heat will significantly increase the risk of
heat-related illnesses for those who are sensitive to heat,
especially those without effective cooling or adequate hydration.
A strong gust front will push down the Okanogan Valley tonight
through 300 AM with sustained winds of 20 to 30 mph and gusts to
between 40 to 50 mph. Strong winds with the front will occur for
up to a couple of hours and then remain breezy through the rest of
the night. Winds will be capable of breaking small tree limbs,
causing isolated power outages, and blowing around unsecured light
weight objects.
* WHAT...Hot conditions with high temperatures in the 80s to low
90s, and low temperatures in the upper 50s to low 60s. This will
pose a moderate risk of heat-related illness.
* WHERE...Portions of northwest and west central Washington.
* WHEN...Until 5PM PDT Thursday.
* IMPACTS...Heat will significantly increase the risk of
heat-related illnesses for those who are sensitive to heat,
especially those without effective cooling or adequate hydration.
