* WHAT...Dangerously hot conditions with temperatures as high as 97
to 103 degrees expected, coupled with mild overnight low
temperatures of 60 to 70 degrees.
* WHERE...Greater Portland/Vancouver Metro, Western and Central
Columbia River Gorge, the Corbett area and the Hood River Valley,
Central and Southern Willamette Valley, and Foothills of the
Northern and Central Oregon Cascades.
* WHEN...From noon Sunday to 5 AM PDT Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Temperatures as high as 93 to 98 degrees expected, coupled
with mild overnight low temperatures of 60 to 67 degrees.
* WHERE...North and Central Coast Range Valleys of Oregon, Lower
Columbia River and Cowlitz River Valleys, Willapa and Wahkiakum
Lowlands, and South Washington Cascade Foothills.
* WHEN...From noon Sunday to 11 PM PDT Monday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* WHAT...Dangerously hot conditions with temperatures up to 97 to
103 expected coupled with mild overnight low temperatures of 60 to
70 degrees.
* WHERE...Greater Portland/Vancouver Metro, Central and Southern
Willamette Valley, and Western and Central Columbia River Gorge
and the Hood River Valley.
* WHEN...From noon Sunday to 5 AM PDT Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Temperatures up to 93 to 98 expected coupled with mild
overnight low temperatures of 60 to 67 degrees.
* WHERE...North and Central Coast Range Valleys of Oregon, Willapa
and Wahkiakum Lowlands, and South Washington Cascade Foothills.
* WHEN...From noon Sunday to 11 PM PDT Monday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* WHAT...Temperatures up to 93 to 98 expected coupled with mild
overnight low temperatures of 60 to 67 degrees.
* WHERE...Lower Columbia River and Cowlitz River Valleys.
* WHEN...From noon Sunday to 11 PM PDT Monday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* WHAT...Dangerously hot conditions with temperatures 99 to 103
degrees possible. This will pose a moderate to major risk of
heat-related illness.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington,
Lower Columbia Basin of Oregon and Washington, Foothills of the
Northern Blue Mountains of Oregon, Kittitas Valley, Yakima Valley,
and Foothills of the Blue Mountains of Washington.
* WHEN...From Sunday afternoon through Tuesday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. Extreme heat will significantly increase the
risk of heat-related illnesses for much of the population,
especially those who are heat sensitive and those without
effective cooling or adequate hydration.
* WHAT...Dangerously hot conditions with temperatures up to 101
degrees possible. This will pose a moderate risk of heat-related
illness.
* WHERE...In Oregon, Central Oregon, John Day Basin, Foothills of
the Southern Blue Mountains of Oregon, and North Central Oregon.
In Washington, Simcoe Highlands.
* WHEN...From Sunday afternoon through Tuesday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Dangerously hot conditions with daytime high temperatures
of 95 to 105 degrees and mild overnight low temperatures of 60 to
70 degrees possible.
* WHERE...Greater Portland/Vancouver Metro, Central and Southern
Willamette Valley, Western and Central Columbia River Gorge and
the Hood River Valley, and Lower Columbia River and Cowlitz River
Valleys.
* WHEN...From Sunday afternoon through Monday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Dangerously hot conditions with temperatures up to 95 to
102 degrees and mild overnight low temperatures of 60 to 70
degrees possible.
* WHERE...Greater Portland/Vancouver Metro, Central and Southern
Willamette Valley, Western and Central Columbia River Gorge and
the Hood River Valley, and Lower Columbia River and Cowlitz River
Valleys.
* WHEN...From Sunday afternoon through Monday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
At 102 PM PDT, Doppler radar was tracking a strong thunderstorm 9
miles southwest of Chewelah, moving east at 10 mph.
HAZARD...Winds in excess of 30 mph and half inch 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...
Chewelah.
This includes U.S. Highway 395 in Washington between mile markers 210
and 215.
At 1255 PM PDT, Doppler radar was tracking a strong thunderstorm 23
miles east of Banks Lake South, moving east at 20 mph.
HAZARD...Winds in excess of 30 mph and half inch 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.
This storm will remain over mainly rural areas of southwestern
Lincoln and northeastern Grant Counties.
At 1241 PM PDT, Doppler radar was tracking strong thunderstorms along
a line extending from 21 miles northeast of Moses Lake to near Moses
Lake North to near Ephrata. Movement was southeast 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...
Moses Lake, Ephrata, Warden, Cascade Valley, Moses Lake North, Krupp,
Batum, Marlin, Ruff, Gloyd, McDonald, Moody, Sieler, and Wheeler.
This includes Interstate 90 in Washington between mile markers 166
and 195.
FFWOTX
The National Weather Service in Spokane has issued a
* Flash Flood Warning for...
The Swawilla Burn Scar in...
Northern Lincoln County in eastern Washington...
Southeastern Okanogan County in north central Washington...
Southwestern Ferry County in northeastern Washington...
* Until 200 PM PDT.
* At 1154 AM PDT, Doppler radar indicated thunderstorms producing
heavy rain over the Swawilla Burn Scar. Flash flooding is ongoing
or expected to begin shortly.
Excessive rainfall over the warning area will cause mud slides near
steep terrain. The mud slide can consist of rock, mud, vegetation
and other loose materials.
HAZARD...Flash flooding caused by thunderstorms in and around
the Swawilla Burn Scar.
SOURCE...Radar.
IMPACT...Flooding of areas in and around the Swawilla Burn
Scar.
* Some locations that will experience flash flooding include...
Keller.
* WHAT...Dangerously hot conditions with afternoon high temperatures
of 90 to 105 degrees and mild overnight low temperatures of 60 to
70 degrees possible.
* WHERE...Greater Portland/Vancouver Metro, Central and Southern
Willamette Valley, Western and Central Columbia River Gorge and
the Hood River Valley, and Lower Columbia River and Cowlitz River
Valleys.
* WHEN...From Sunday afternoon through Monday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
At 700 PM PDT, Doppler radar was tracking a strong thunderstorm 25
miles southeast of Nespelem Community, 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...
Sherman.
At 653 PM PDT, Doppler radar was tracking a strong thunderstorm 21
miles southeast of Banks Lake South, or 31 miles northeast of Moses
Lake, moving northeast at 25 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...
Krupp and Marlin.
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...A portion of North Central Washington, including the
following county, Okanogan, and the northern portion of the Walker
Creek burn scar.
* WHEN...Until 830 PM PDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 526 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...
Lost Lake Campground and Bonaparte Lake Campground.
- http://www.weather.gov/safety/flood
At 344 PM PDT, Doppler radar was tracking a strong thunderstorm 15
miles north of Sherman Pass, moving northeast at 10 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.
This storm will remain over mainly rural areas of northern Ferry
County.