... Heat advisory remains in effect until 8 PM PDT this evening...
A heat advisory remains in effect until 8 PM PDT this evening.
Temperatures will reach or exceed 100 degrees across the lower Columbia Basin on Sunday afternoon. The highest temperatures will be in the Hanford area.
Precautionary/preparedness actions...
A heat advisory means that a prolonged period with high temperatures at or exceeding 100 degrees is expected. This will create a situation in which heat illnesses are possible. Drink plenty of fluids... stay in an air-conditioned room... stay out of the sunshine and check up on relatives and neighbors... especially the very Young and the elderly. In addition... ensure pets have plenty of available drinking water. Do not leave children or pets in an enclosed vehicle. For additional weather information... check our web site at www.Weather.Gov/Pendleton.
Fire Weather Warning
Statement as of 9:25 AM PDT on July 05, 2009
... Red flag warning in effect from 1 PM this afternoon to 11 am PDT Monday for a combination of winds and low humidities this afternoon followed by thunderstorms producing abundant lightning tonight...
The National Weather Service in Pendleton has issued a red flag warning... which is in effect from 1 PM this afternoon to 11 am PDT Monday. The Fire Weather Watch is no longer in effect.
A cold front will cross the Oregon Cascades this evening and continue moving northeast across the lower Columbia Basin through the overnight hours into Monday morning. Winds ahead of the front will increase this afternoon and evening to around 10 to 20 mph. The winds in combination with relative humidities ranging from 8 to 15 percent will result in critical fire weather conditions.
Scattered thunderstorms will develop tonight with periods of enhanced lightning activity across the lower elevation Grasslands. Rainfall amounts are expected to be relatively light.
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 and low relative humidity will create explosive fire growth potential. For additional weather information... check our web site at www.Weather.Gov/Pendleton.