...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS THROUGH THURSDAY... The high pressure driving this ongoing heat wave will begin to weaken today, but will result in breezy and unstable conditions through at least Thursday. Even as temperatures cool down slightly over the coming days, relative humidities will remain very low in the teens and single digits. This, combined with incoming breezy conditions through the Cascade Gaps and spreading into the Basin, will result in critical fire weather conditions. ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 11 PM PDT THIS EVENING FOR WIND, AS WELL AS DRY AND UNSTABLE CONDITIONS FOR FIRE WEATHER ZONES OR639 AND OR640... * AFFECTED AREA...Fire Weather Zones 639 East Slopes of the Northern Oregon Cascades and 640 Central Mountains of Oregon. * TIMING...Through Wednesday night. * WINDS...Northwest 12 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 10 percent. * TEMPERATURES...Up to 100. * IMPACTS...Any new and existing fires have a strong potential for extreme fire behavior. Breezy conditions may also lead to rapid fire spread. * HAINES...As high as 5. 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. &&
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING... * WHAT...Dangerously hot conditions with limited overnight relief. Afternoon high temperatures could exceed 100 degrees. Overnight low temperatures in the mid-50s to lower 70s. * WHERE...Central Oregon and John Day Basin. * WHEN...Until 10 PM PDT this evening. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. &&
