�y��vlog

Mountain wave - as air flows over a mountain it gets disrupted and can bounce up and down on the other side.

On Dec. 31, McGregor wrote on Facebook that he was “keeping a close eye on the potential for mountain wave activity” on the night of Jan. 7 into the morning of Jan. 8 in the local foothills.

Mountain wave wind occurs when gusts rapidly drop down mountain slopes, then gain strength upon hitting a flat landscape, a weather phenomena that causes short bursts of strong, dangerous winds.

If we are fortunate and the house continues to survive this interminable fire season, we could comfort ourselves with the uniqueness of these ghastly circumstances — the 85-plus-mph “mountain wave” winds, the heavy rains in early spring followed by unusual dryness.

Last week’s windstorms were worsened by a “mountain wave wind,” which occurs when gusts rapidly drop down mountain slopes, then gain strength upon hitting a flat landscape.