Dust Risk-Based Forecast | Pinal County

Tuesday

Stagnation: Light stagnation

Wind: Light becoming west to west-southwest 5-15 mph, gusts to 20 mph, diminishing late

Wednesday

Stagnation: Light stagnation

Wind: Light becoming west 5-12 mph

Thursday

Stagnation: Light stagnation

Wind: Light becoming south to southeast 5-15 mph, late afternoon/evening outflows possible

Friday

Stagnation: Light stagnation

Wind: Light becoming west 5-15 mph, late afternoon/evening outflows possible

Saturday

Stagnation: Light stagnation

Wind: Light becoming west 5-12 mph, late afternoon/evening outflows possible

Forecast Discussion:

Remnants of cell development which took place over northern Mexico/Southern Arizona last evening are making their way into/through the area early today along with a vorticity maximum shown in a counterclockwise spinning cloud formation on the satellite and may bring a shower or two before all is said and done.
A trough will pass by well to our north over the next day or so and help nudge the high pressure to the east a bit which will help the record breaking temperatures down to slightly above normal ranges. Additionally a weak upper level system will spin off the southern California coast over the next several days. Eventually the high pressure will move westward towards the area later in the week and the atmospheric moisture will increase. There are better chances for Monsoon fueled storms later in the work week and this upcoming weekend. Also the chances for blowing dust will increase as the week progresses. The overall air quality forecast are in the upper good to mid-moderate moderate range on the AQI scale for particulates. Have low dust risks forecast through Friday with Saturday having a moderate dust risk due to more favorable early morning conditions at Hidden Valley and also better chances for evening outflow winds and dust.


- S.DiBiase
Pinal County Air Quality Meteorologist