At 319 PM PDT, Doppler radar was tracking a strong thunderstorm over
Hampton, or 51 miles southeast of Prineville, moving northeast at 30
mph.
HAZARD...Wind gusts up to 50 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 vegetation is
possible.
Locations impacted include...
Hampton.
* WHAT...Temperatures 95 to 100 degrees.
* WHERE...Oregon Lower Treasure Valley.
* WHEN...Until 10 PM MDT /9 PM PDT/ this evening.
* IMPACTS...Hot temperatures may cause heat illnesses, especially
for the young, elderly, and animals.
...RED FLAG WARNING FOR LIGHTNING FOR FIRE WEATHER ZONES 672 AND
673 BELOW 3000 FEET THROUGH WEDNESDAY AFTERNOON...
.Scattered thunderstorms will continue to develop this afternoon
into this evening. These storms will produce gusty outflow winds
and little rainfall. A lull in activity is expected overnight
before storms increase again Wednesday morning. The storms
Wednesday should be wetter but unlikely to produce wetting rains
in all areas.
* THUNDERSTORMS...Scattered.
* OUTFLOW WINDS...Up to 60 mph.
...BREEZY WINDS AND LOW HUMIDITY EXPECTED TODAY AND TUESDAY...
.Winds are expected to increase through the Kittitas Valley,
Columbia River Gorge, and into the Columbia Basin again in the
afternoon Tuesday. This, combined with very low RHs due to the
ongoing heat wave, will make for increased risks for wildfire
spread, especially during the afternoon and early evening hours
Tuesday.
The National Weather Service in Pendleton has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
until 8 PM PDT this evening.
* AFFECTED AREA...Fire Weather Zone 691 Lower Columbia Basin of
Oregon.
* TIMING...Until 8 PM PDT this evening.
* WINDS...West 15 to 20 mph with gusts up to 30 mph.
* RELATIVE HUMIDITY...As low as 12 percent.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
* WHAT...Hot conditions with high temperatures between 96-103
degrees expected with overnight lows of 60-70 degrees. This will
pose a moderate to locally major risk of heat-related illness.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Lower Columbia Basin of Washington and
Foothills of the Blue Mountains of Washington.
* WHEN...Until 9 PM PDT this evening.
* IMPACTS...Hot temperatures may cause heat illnesses. 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.
* ADDITIONAL DETAILS...Hottest temperatures are expected to continue
through this afternoon.
* WHAT...Hot conditions with high temperatures between 90-100
degrees expected with overnight lows 60-70 degrees. This will pose
a moderate to locally major risk of heat-related illness.
* WHERE...Foothills of the Southern Blue Mountains of Oregon and
North Central Oregon.
* WHEN...Until 9 PM PDT this evening.
* IMPACTS...Hot temperatures may cause heat illnesses. 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.
* ADDITIONAL DETAILS...Hottest temperatures are expected to continue
through this afternoon.
* WHAT...Hot conditions with high temperatures between 95-102
degrees expected with overnight lows of 60-70 degrees. This will
pose a moderate to locally major risk of heat-related illness.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington,
Lower Columbia Basin of Oregon, Kittitas Valley, and Yakima Valley.
* WHEN...Until 9 PM PDT this evening.
* IMPACTS...Hot temperatures may cause heat illnesses. 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.
* ADDITIONAL DETAILS...Hottest temperatures are expected to continue
through this afternoon.
...RED FLAG WARNING FOR LIGHTING FOR FIRE WEATHER ZONES 672 AND
673 BELOW 3000 FEET THIS AFTERNOON THROUGH WEDNESDAY AFTERNOON...
.Scattered thunderstorms will develop this afternoon into this
evening. These will produce gusty outflow winds and little
rainfall. A lull in activity is expected overnight before storms
increase again Wednesday morning. The storms Wednesday should be
wetter but still not produce wetting rains in all areas.
The National Weather Service in Boise has issued a Red Flag
Warning, which is in effect from 1 PM MDT /noon PDT/ this
afternoon to 6 PM MDT /5 PM PDT/ Wednesday.
* THUNDERSTORMS...Scattered.
* OUTFLOW WINDS...Up to 60 mph.
* WHAT...Temperatures up to 100 degrees.
* WHERE...Oregon Lower Treasure Valley.
* WHEN...Until 10 PM MDT /9 PM PDT/ this evening.
* IMPACTS...Hot temperatures may cause heat illnesses, especially
for the young, elderly, and animals.
* WHAT...Hot conditions with high temperatures between 96-103
degrees expected with overnight lows of 60-70 degrees. This will
pose a moderate to locally major risk of heat-related illness.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Lower Columbia Basin of Washington and
Foothills of the Blue Mountains of Washington.
* WHEN...Until 9 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses. 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.
* WHAT...Hot conditions with high temperatures between 90-100
degrees expected with overnight lows 60-70 degrees. This will pose
a moderate to locally major risk of heat-related illness.
* WHERE...Foothills of the Southern Blue Mountains of Oregon and
North Central Oregon.
* WHEN...Until 9 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses. 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.
* WHAT...Hot conditions with high temperatures between 95-102
degrees expected with overnight lows of 60-70 degrees. This will
pose a moderate to locally major risk of heat-related illness.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington,
Lower Columbia Basin of Oregon, Kittitas Valley, and Yakima Valley.
* WHEN...Until 9 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses. 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.
* WHAT...Hot conditions with high temperatures between 90-100
degrees expected with overnight lows 60-70 degrees. This will pose
a moderate to major risk of heat-related illness.
* WHERE...Foothills of the Southern Blue Mountains of Oregon and
North Central Oregon.
* WHEN...Until 9 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses. 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.
* WHAT...Hot conditions with high temperatures between 95-105
degrees expected with overnight lows of 60-70 degrees. This will
pose a moderate to major risk of heat-related illness.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Lower Columbia Basin of Washington and
Foothills of the Blue Mountains of Washington.
* WHEN...Until 9 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Hottest temperatures are expected to occur
this afternoon.
* WHAT...Hot conditions with high temperatures between 95-103
degrees expected with overnight lows of 60-70 degrees. 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, Kittitas Valley, and Yakima Valley.
* WHEN...Until 9 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses. 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.
* ADDITIONAL DETAILS...Hottest temperatures are expected to occur
this afternoon.
The Oregon Department of Environmental Quality has issued an Air
Quality Advisory for ozone, which is IN EFFECT UNTIL 10 PM PDT THIS
EVENING.
An Air Quality Advisory for Ozone has been issued. High levels of
ozone in the lower atmosphere in the region combined with forecasted
conditions will cause air quality to reach unhealthy levels at times
through 10 PM PDT this evening.
This can cause burning eyes, runny nose, aggravate heart and lung
diseases, and aggravate other serious health problems. Limit outdoor
activities if possible. Please follow medical advice if you have a
heart or lung condition.
More information about air quality can be found at:
www.orcaa.org
www.swcleanair.gov
www.oregon.gov/DEQ
www.lrapa.org
* WHAT...High temperatures between 92 and 97 degrees will produce
widespread Moderate HeatRisk through this evening. The hottest
temperatures are expected from the Portland/Vancouver Metro east
through the Columbia Gorge to the Hood River Valley.
* WHERE...Greater Portland/Vancouver Metro, Western and Central
Columbia River Gorge, the Corbett area and the Hood River Valley,
Central and Southern Willamette Valley, Foothills of the Northern
and Central Oregon Cascades, Lower Columbia River and Cowlitz
River Valleys, and South Washington Cascade Foothills.
* WHEN...Until 10 PM PDT this evening.
* IMPACTS...Exposure to hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Moderate HeatRisk is the level of heat that
affects most individuals sensitive to heat, especially those
without effective cooling and/or adequate hydration. Impacts are
possible in some health systems and in heat-sensitive industries.
* WHAT...Temperatures up to 100 degrees.
* WHERE...Oregon Lower Treasure Valley.
* WHEN...Until 10 PM MDT /9 PM PDT/ Tuesday.
* IMPACTS...Heat across the area may result in heat-related illness,
especially for the young, elderly, and animals.
* WHAT...High temperatures between 92 and 97 degrees will produce
widespread Moderate HeatRisk through this evening. The hottest
temperatures are expected from the Portland/Vancouver Metro east
through the Columbia Gorge to the Hood River Valley.
* WHERE...Greater Portland/Vancouver Metro, Western and Central
Columbia River Gorge, the Corbett area and the Hood River Valley,
Central and Southern Willamette Valley, Foothills of the Northern
and Central Oregon Cascades, Lower Columbia River and Cowlitz
River Valleys, and South Washington Cascade Foothills.
* WHEN...Until 10 PM PDT this evening.
* IMPACTS...Exposure to hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Moderate HeatRisk is the level of heat that
affects most individuals sensitive to heat, especially those
without effective cooling and/or adequate hydration. Impacts are
possible in some health systems and in heat-sensitive industries.
* WHAT...Temperatures up to 100 degrees.
* WHERE...Oregon Lower Treasure Valley.
* WHEN...From noon MDT /11 AM PDT/ today to 10 PM MDT /9 PM PDT/
Tuesday.
* IMPACTS...Heat across the area may result in heat-related illness,
especially for the young, elderly, and animals.
