Weather Alerts for Seattle and Vicinity

Issued by the National Weather Service

Extreme Heat Warning  EXTREME HEAT WARNING   Extreme Heat Warning
SEATTLE AND VICINITY

Areas Affected:
Eastside - City of Seattle - Lowlands of Pierce and Southern King Counties
Effective: Fri, 8/22 1:12pm Updated: Fri, 8/22 1:33pm Urgency: Expected
Expires: Fri, 8/22 11:15pm Severity:  Severe  Certainty: Likely

 
Details:
* WHAT...Hot conditions with high temperatures ranging from the
upper 80s to mid 90s and low temperatures in the mid 60s. This
will pose a major risk of heat-related illness.

* WHERE...City of Seattle, Eastside, and Lowlands of Pierce and
Southern King Counties.

* WHEN...Until 5 AM PDT Tuesday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

Information:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances.

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 lightweight and loose fitting clothing when possible.
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 9 1 1.

For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit wa211.org anytime.

Extreme Heat Warning  EXTREME HEAT WARNING   Extreme Heat Warning
SEATTLE AND VICINITY

Areas Affected:
Foothills and Valleys of the North Cascades - Foothills and Valleys of Snohomish and Northern King Counties - Foothills and Valleys of Central King County - Foothills and Valleys of Pierce and Southern King Counties - Foothills and Valleys of Thurston and Lewis Counties
Effective: Fri, 8/22 1:12pm Updated: Fri, 8/22 1:33pm Urgency: Expected
Expires: Fri, 8/22 11:15pm Severity:  Severe  Certainty: Likely

 
Details:
* WHAT...Hot conditions with high temperatures ranging from the
upper 80s to upper 90s and low temperatures mostly in the 60s.
This will pose a major risk of heat-related illness.

* WHERE...Foothills and Valleys of the North Cascades, Foothills and
Valleys of Central King County, Foothills and Valleys of Pierce
and Southern King Counties, Foothills and Valleys of Snohomish and
Northern King Counties, and Foothills and Valleys of Thurston and
Lewis Counties.

* WHEN...Until 5 AM PDT Tuesday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

Information:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances.

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 lightweight and loose fitting clothing when possible.
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 9 1 1.

For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit wa211.org anytime.

Heat Advisory  HEAT ADVISORY   Heat Advisory
SEATTLE AND VICINITY

Areas Affected:
Lowlands of Western Whatcom County - Lowlands of Western Skagit and Northwestern Snohomish Counties - Downtown Everett / Marysville Area - Shoreline / Lynnwood / South Everett Area - Olympia and Southern Puget Sound - Lowlands of Lewis and Southern Thurston Counties - Middle Chehalis River Valley - Willapa and Black Hills - Southern Hood Canal - Northern Hood Canal - Eastern Kitsap County - Foothills of the Western and Southern Olympic Peninsula
Effective: Fri, 8/22 1:12pm Updated: Fri, 8/22 1:33pm Urgency: Expected
Expires: Fri, 8/22 11:15pm Severity:  Moderate  Certainty: Likely

 
Details:
* WHAT...Hot conditions with high temperatures ranging from the mid
80s to 90s expected and low temperatures mostly in the 60s. This
will pose a moderate risk of heat-related illness.

* WHERE...Portions of northwest and west central Washington.

* WHEN...Until 5 AM PDT Tuesday.

* 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.

Information:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances.

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 lightweight and loose fitting clothing when possible.
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 9 1 1.

For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit wa211.org anytime.

Fire Weather Watch  FIRE WEATHER WATCH   Fire Weather Watch
SEATTLE AND VICINITY

Areas Affected:
West Slopes of the North Cascades Generally above 1500 Feet - West Slopes of the Central Cascades Generally above 1500 Feet
Effective: Fri, 8/22 2:20am Updated: Fri, 8/22 1:33pm Urgency: Future
Expires: Fri, 8/22 5:00pm Severity:  Severe  Certainty: Possible

 
Details:
* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North
Cascades Generally above 1500 Feet and Fire Weather Zone 659
West Slopes of the Central Cascades Generally above 1500 Feet.

* RELATIVE HUMIDITY...As low as 15 percent.

* TEMPERATURES...Up to 90 to 100.

* STABILITY...Unstable conditions can be expected

* IMPACTS...A dry and unstable air mass with warm temperatures
can contribute to active fire behavior. In western Washington,
significant growth on existing fires takes place under such
conditions. If a fire were to begin, air quality may diminish
in the surrounding area.

Information:
A Fire Weather Watch means that there is a potential for critical
fire weather conditions to develop. Monitor the forecasts for
possible Red Flag Warnings.