East Columbia River Gorge Severe Watches & Warnings NOAA Weather Radio

Heat Advisory
Statement as of 2:51 AM PDT on July 13, 2014

...Heat advisory remains in effect until 10 PM PDT Wednesday...

A heat advisory remains in effect until 10 PM PDT Wednesday.

* Temperature: high temperatures will run between 100 and 108 each afternoon in the lower Columbia Basin of Washington and Oregon...the eastern Columbia River gorge east of The Dalles... the lower Yakima Valley...and the Blue Mountain foothills. Overnight lows at many locations will not fall below 65 degrees.

* Timing: warmest conditions will occur between 1 PM and 8 PM each day.

* Impacts: these hot conditions will be of more concern to the elderly and the very Young. When conducting outdoor activities during the afternoon and evening be cautious and drink plenty of fluids.

Precautionary/preparedness actions...

Take extra precautions if you work or spend time outside. When possible...reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water.

To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency - call 911.

Fire Weather Warning, Fire Weather Watch
Statement as of 8:57 PM PDT on July 12, 2014

...Red flag warning remains in effect from 2 PM Sunday to 5 am PDT Monday for thunderstorms producing abundant lightning across fire weather zones or639...wa639 and wa681...

A red flag warning remains in effect from 2 PM Sunday to 5 am PDT Monday.

* Affected area...in orz639...fire weather zone 639 east slopes of the northern Oregon Cascades. In waz639...fire weather zone 639 east slopes of the southern Washington Cascades. In waz681... fire weather zone 681 yakama alpine district.

* Timing...thunderstorms will initially develop in central Oregon during the late morning and early afternoon and then move north along the Cascades. Scattered thunderstorms can then be expected through the night.

* Thunderstorms...strong thunderstorms are possible with gusty outflow winds around 40 mph possible.

* Precipitation...most storms will have less than tenth of an inch of rain...but some could produce around a quarter of an inch or more.

* Lightning activity level...3.

* Impacts...frequent lightning and critically dry fuels may result in numerous fire starts.

Precautionary/preparedness actions...

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.

857 PM PDT Sat Jul 12 2014

...Fire Weather Watch in effect from Sunday afternoon through Monday morning for thunderstorms producing abundant lightning across fire weather zones or641...or642...or643...or644...or645... wa641...wa643...wa645 and wa675...

The National Weather Service in Pendleton has issued a Fire Weather Watch for thunderstorms producing abundant lightning... which is in effect from Sunday afternoon through Monday morning.

* Affected area...in orz641...fire weather zone 641 lower Columbia Basin of Oregon. In orz642...fire weather zone 642 southern blue and Strawberry mountains. In orz643...fire weather zone 643 northern Blue Mountains of Oregon. In orz644... fire weather zone 644 central Blue Mountains. In orz645...fire weather zone 645 Wallowa district. In waz641... fire weather zone 641 lower Columbia Basin of Washington. In waz643...fire weather zone 643 Blue Mountains of Washington. In waz645...fire weather zone 645 Asotin County. In waz675... fire weather zone 675 eastern Washington southern Columbia Basin.

* Timing...thunderstorms will likely move across the area late Sunday afternoon into Sunday night...then move off to the northeast Monday morning.

* Thunderstorms...strong thunderstorms are possible with gusty outflow winds around 40 mph possible.

* Precipitation...most storms will have less than tenth of an inch of rain...but some could produce around a quarter of an inch or more.

* Lightning activity level...3.

* Impacts...frequent lightning and critically dry fuels may result in numerous fire starts.

Precautionary/preparedness actions...

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible red flag warnings.

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