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Old Advisory Events

The information herein is NOT intended for use as a weather forecast. The Air District DOES NOT forecast but solely compiles information from both the Phoenix and San Diego National Weather Offices to relay information concerning potential changes in ambient air concentrations that may impact the public.

August 3 2016
Be Advised
High wind levels have the potential to suspend particulate matter into the air. High levels of PM10 may pose an impact to public health. It is recommended that active children and adults, and people with respiratory disease, such as asthma, limit their outdoor activities.

Potential increases in PM10 concentrations may increase to moderate or unhealthy level.

Imperial County Weather Synopsis
Monsoonal moisture will continue a chance of afternoon and early evening thunderstorms for the mountains and deserts today. For Friday into next week...dry southwest flow aloft will bring an end to the convection. Daytime temperatures will be near, to slightly below normal through Thursday, with additional slight cooling expected this weekend and early next week as a trough of low pressure sets up along the West Coast. The marine layer and onshore flow will continue areas of low clouds and fog over coastal areas each night and each morning, spreading deeper into the valleys by this weekend

An excessively moist airmass will continue to cover much of the region into tonight with the best chance of showers and thunderstorms over Arizona. While some areas may not see rain, locally heavy rainfall is possible in some locations. A drier and more stable airmass will begin to spread into the area starting Thursday pushing thunderstorm activity into eastern Arizona. An even drier and warmer airmass will then cover the region over the weekend and into early next week with very limited thunderstorm activity and above normal temperatures
Weather Story Phoenix Station Weather Story San Diego Station
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