If you have been following National Weather Force (Click here to the Facebook Post) then you will note that I predicted a rare snow level chance for parts of Central/Eastern Oregon into Idaho and that event will happen tonight into Sunday. That one rare event will cause another rare event in the butterfly effect. Because of the cold air in place up north, The Great Basin will cool-down to abnormal June levels and create thermal support. This thermal support will rush southward and into our mountain passes and jet out of the north and northeast in what is called a Santa Ana Wind into Southern California with Arizona having a north wind as well in spots.
The Martin Wind Gust Intensity Model shows what the winds will be on your Monday across Arizona. Use the article image above for the color-coded zones.
5. Slight damage occurs to buildings, shingles are blown off of roofs. HIGH WIND WARNING CRITERIA – High Profile Vehicle Roll-Over Possible if weight is not corrected.
4. Twigs and small branches are broken from trees, walking is difficult. Anything 4 and above will have blowing dust if conditions are dry, which does reduce visibility and make driving difficult …
3. Large trees sway, becoming difficult to walk. POWER SHUTDOWN THRESHOLD during any high fire risk. WIND ADVISORY CRITERIA