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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 18 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
High temperature will remain near to slightly below average with today and Saturday the warmest days. A weak upper level low pressure system will remain just off the Southern California coast into Tuesday. The weak upper level low pressure system may draw some mid level moisture into portions of Southern California at times into Tuesday, mostly from the east-west mountain ranges into adjacent portions of the upper deserts. There is a small chance for precipitation.

Mountains/Deserts clear skies, unrestricted visibility and light winds will continue through Saturday morning.

Relatively dry conditions today before a gradual increase in moisture over the weekend and into early next week. There is a slight chance of showers and thunderstorms starting Saturday across Arizona and Phoenix.

According to the analysis by the Phoenix office Imperial County is caught in the middle of an upper-level anticyclone with a low-level trough that will be causing moisture in Arizona and the weak mid-level trough near San Diego. The anticipated result is warm conditions with mostly sunny skies
Weather Story Phoenix Station Weather Story San Diego Station
Image for Phoenix Station Weather Story Image for San Diego Station Weather Story

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