AIR POLLUTION
CONTROL DISTRICT

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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.

March 2 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
SYNOPSIS FROM THE SAN DIEGO OFFICE
Surface high pressure over the Great Basin will bring offshore flow through Friday, resulting in clear and warm weather. Gusty northeast winds will affect the mountain passes and foothills through Friday morning. Cooler Saturday and Sunday with increasing onshore flow and a deeper marine layer ahead of a trough passing by to our north. This trough may bring patchy light rain west of the mountains Sunday afternoon and evening

Surface high pressure over the Great Basin will bring offshore flow through early Friday, resulting in mostly clear and warmer than normal conditions. Locally strong and gusty northeast to east winds will continue to affect the mountain passes and foothills through Friday morning. Cooler Saturday and Sunday with increasing onshore flow and a deeper marine layer ahead of a trough passing by to our north. This trough may bring some light showers over and west of the mountains Sunday, with strong and gusty west winds in the mountains and deserts. Fair weather and a warming trend expected for next Monday through mid-week under building high pressure aloft.

SYNOPSIS FROM THE PHOENIX OFFICE
Dry conditions and much warmer temperatures will settle into the area through the coming weekend with high level cirrus clouds passing through the sky on and off. Increasing cirrus, breezes and a slight dip in temperatures will develop over the late weekend as a Pacific storm system skirts through the area. Dry and warm conditions will return as high pressure returns over the West Coast by midweek.
Weather Story Phoenix Station Weather Story San Diego Station
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