EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 PM PDT WEDNESDAY
EXCESSIVE HEAT WARNING FOR TODAY THROUGH WEDNESDAY EVENING
* WHAT…Dangerously hot conditions. Afternoon high temperatures of 96 to 106 expected, warmest across the lower terrain of the Foothills valleys and across the Willamette Valley. Some areas in Willamette Valley from Salem to Eugene could reach 105 to 110 degrees today. A tad cooler for Tuesday and Wednesday, with highs 98 to 105 on Tuesday, and 95 to 101 on Wednesday. Expect continued warm nights, with temperatures only cooling to the middle 60s to lower 70s, with warmest in the larger urban cores such as Portland, Salem and Eugene.
* WHERE…In Oregon, Greater Portland Metro Area, Central Willamette Valley, South Willamette Valley, Northern Oregon Cascade Foothills and Cascade Foothills in Lane County. In Washington, Greater Vancouver Area.
* WHEN…Until 11 PM PDT Wednesday.
* IMPACTS…Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.
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 211info.org in Oregon or wa211.org in Washington.
RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR UNSTABLE CONDITIONS COMBINED WITH WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
WHERE: for the east slopes of the central Oregon coast range and Willamette valley.
* WINDS…North to northeast 5 to 10 mph, will increasing to 10 to 15 mph this afternoon, with gusts up to 25 mph. Winds easing this evening.
* RELATIVE HUMIDITY…15 to 25 percent.
* INSTABILITY…High haines (values of 5 to 6) indicate unstable air mass, such that strong vertical motion could promote plume dominated fire growth, with enhanced burning on any existing fires as well as any new fire starts.
* IMPACTS…Conditions may be favorable for rapid fire spread which may threaten life and property. Use extra caution with potential ignition sources, especially in grassy areas.
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.