Lexington, Massachusetts, USA
Issued by the National Weather Service - Portland, OR
Areas Affected: Tualatin Valley; West Hills and Chehalem Mountains; Inner Portland Metro; East Portland Metro; West Columbia River Gorge I-84 Corridor; Inner Vancouver Metro; East Clark County Lowlands; West Columbia River Gorge - SR 14
Urgency: Expected
Severity: Severe
Certainty: Likely
Alert Sent: Friday 10:36am PDT
Alert Effective: Friday 10:36am PDT
Alert Expires: Saturday 5:00am PDT (expect updated alert by this time)
Event Onset: Sunday 11:00am PDT
Event Ends: Tuesday 11:00pm PDT
Issued by: NWS Portland OR
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM SUNDAY TO 11 PM PDT TUESDAY... * WHAT...Dangerously hot conditions with temperatures of 95 to 99 degrees F expected. * WHERE...Portland Metro Lowlands, Western Columbia River Gorge, Portland West Hills and Chehalem Mountain, Inner Vancouver Metro, and East Clark County Lowlands. * WHEN...From 11 AM Sunday to 11 PM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Peak heating days will be Sunday and Monday with a slight cool down on Tuesday. Overnight temperatures will remain elevated Sunday night into Monday morning, and Monday night into Tuesday morning. Night time temperatures ranging from 63 to 67 degrees F will lead to poor overnight relief. There is currently a 15-30% chance that night time temperatures remain above 70 degrees F Sunday night into Monday morning, and less than a 10% chance Monday night into Tuesday morning. There is a 30-40% chance of high temperatures of 100 degrees F or more on Monday.
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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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. 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. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the heat.
ID: urn:oid:2.49.0.1.840.0.e43676156883e28454e47d1c05370de881b80a7b.001.1 Codes: ORZ109, ORZ110, ORZ111, ORZ112, ORZ120, WAZ206, WAZ207, WAZ209 Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.e43676156883e28454e47d1c05370de881b80a7b.001.1