Heat Wave

From National Weather Service in Portland:

SYNOPSIS: A strong upper level ridge of high pressure will build across the Pacific Northwest on Wednesday and remain over the region through Saturday. This pattern will usher very warm air into the region, especially Thursday and Friday (Aug 16-17). Inland temperatures will likely approach or exceed the 100 degree mark on Thursday and Friday. Temperatures at the coast will also be quite warm with temperatures in the 80s to lower 90s on Thursday, with some cooling at the coast on Friday. This pattern will also increase wildfire potential.

PRIMARY AREAS IMPACTED:

• All inland areas Thursday through at least Friday evening.

• Coastal areas Thursday and Friday. A little cooling expected at the coast Friday.

IMPACTS:

• Heat related illness such as heat exhaustion and heat stroke. People who are susceptible to heat related stress include people over 50, young children, pets and people working outdoors.

• Transportation lines to include rail and asphalt may see some impact due to extreme heat.

• People seeking refuge in area rivers should exercise caution.

• High fire danger. Check with local fire agencies for burn restrictions.

TIMING:

• Thursday through Saturday.

FORECAST CONFIDENCE: High