Weather overview a.m. Thursday 21 October 2021

  • A number of Pacific storm systems will bring excessive rainfall, strong winds, and mountain snow to the West U.S. Snow levels will remain high. These systems may cause burn scar flooding impacts.
  • Thunderstorms associated with isolated strong wind gusts will be possible today across parts of the southern and central Appalachians into the lower Great Lakes.

— Southwest coastal OR and adjacent northwest coastal CA: High Wind Warnings and Wind Advisories though this evening Gusts 50-60 mph. US-101 impacted.

— South-central OR and adjacent northern CA: Wind Advisories through Friday morning. Gusts to 55 mph.

— Northeast CA: Flash Flood Watch for areas previously impacted by wildfires this evening through Friday morning. Debris flows, rock falls and falling trees all possible during heavy rains.

— Portions of southeast TX, especially along the coast and much of LA: Dense Fog Advisories through midmorning. I-10, I-45, I-49, I-55 impacted.

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