Weather Alerts for Hood River County

Issued by the National Weather Service

Red Flag Warning  RED FLAG WARNING   Red Flag Warning
HOOD RIVER COUNTY

Areas Affected:
Mt. Hood National Forest Region
Effective: Tue, 9/2 2:05pm Updated: Wed, 9/3 12:10am Urgency: Expected
Expires: Wed, 9/3 5:00am Severity:  Severe  Certainty: Likely

 
Details:
The National Weather Service in Portland has issued a Red Flag
Warning for thunderstorms, which is in effect from noon to 9 PM
PDT Wednesday. The Fire Weather Watch is no longer in effect.

* AFFECTED AREA...In Oregon, Fire Weather Zone 688 Mt. Hood
National Forest Region.

* THUNDERSTORMS...A 15 to 20% chance of dry thunderstorms. Storms
may produce very little rainfall, increasing the risk of new
fire starts from dry lightning.

* OUTFLOW WINDS...Instantaneous gusts as high as 40 mph. Gusts at
these speeds can be observed tens of miles away from the core of
the thunderstorm.

* DRY AND UNSTABLE...Unstable conditions with elevated mixing
heights may promote pyroconvective activity over ongoing fires.

* IMPACTS...Conditions may be favorable for rapid fire spread
which may threaten life and property. Thunderstorm outflow winds
may result in unanticipated erratic fire spread. High
instability may result in fire growth. Frequent lightning and
critically dry fuels may result in new fire starts.

Information:
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of the
above conditions can contribute to extreme fire behavior.

Heat Advisory  HEAT ADVISORY   Heat Advisory
HOOD RIVER COUNTY

Areas Affected:
West Columbia River Gorge I-84 Corridor - Upper Hood River Valley - Central Columbia River Gorge I-84 Corridor - West Columbia River Gorge - SR 14 - Central Columbia River Gorge - SR 14
Effective: Tue, 9/2 1:11pm Updated: Wed, 9/3 12:10am Urgency: Expected
Expires: Wed, 9/3 5:00am Severity:  Moderate  Certainty: Likely

 
Details:
* WHAT...Afternoon high temperatures in the mid to upper 90s and
overnight low temperatures in the mid 60s to lower 70s expected.

* WHERE...Western and Central Columbia River Gorge and the Hood
River Valley.

* WHEN...Until 9 PM PDT Wednesday.

* IMPACTS...Hot temperatures may cause heat illnesses.

* ADDITIONAL DETAILS...Increasing high clouds may limit high
temperatures on Wednesday compared to Tuesday, however
probabilities for high temperatures above 90 degrees on Wednesday
are high, ranging from 75-95%.

Information:
Drink plenty of fluids, stay in a cool place during the heat of the
day, stay out of the sunshine, and check up on relatives and
neighbors. For those without air conditioning, use fans to keep air
moving. Keeps windows closed during the day and open at night,
unless air quality is degraded due to wildfire smoke.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.