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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 1 2017
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 scattered mostly light showers and isolated thunderstorms today. A greater influx of moisture tonight will increase the potential for locally heavy rainfall from showers and scattered thunderstorms for Wednesday into Thursday. Slow drying is expected for Friday through next weekend with decreasing chances for mostly afternoon and early evening thunderstorms for the mountains and deserts.
High moisture levels remain over much of southern Arizona and will likely stay put for at least through the end of the workweek. This will keep above average storm chances going across the region. The best chances for rainfall appear to be from this afternoon into early Thursday, as a weak weather disturbance pushes additional moisture into the region. Some reduction in monsoon convective activity is possible during the upcoming weekend and into early next week as westerly winds aloft attempt to push drier air into the region.
Weather Story Phoenix Station Weather Story San Diego Station
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