Issued Zones:  Northwest half of Arizona …

Site:  Arizona Weather Force has issued a Severe Thunderstorm Watch effective now through some of tonight …

Date:  7/24/21 at 3:20pm PT

Forecast: An easterly wave is clearly seen in the upper levels directly over Phoenix.  This is the reason why you’re in a lull in activity right now.  The outskirts of this easterly wave is where the areas of lift will be through this evening and tonight.   The northwest half of the state looks to be in severe thunderstorm dynamics for large hail, damaging winds, the works … It includes Flagstaff, Prescott, Bullhead City … around those areas…  A disturbance exiting New Mexico through NE AZ will move through the area through tonight so if in those areas… prepare for severe thunderstorm dynamics … Severe thunderstorms can and often do produce tornadoes with little or no warning …

10 mile rule:  These alerts issued on this site
means that within your zone and 10 miles from you will see the event
forecast for.  You may or may not see the event but it means you are in
the zone or 10 miles from where someone will.

Forecaster: KM