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.

May 4 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
Strong high pressure will bring another very warm day to the region today. High pressure will break down and deepen the marine layer Friday and Saturday. A cold low pressure system from the north will arrive this weekend and bring strong winds Saturday, then much cooler weather with showers and possibly thunderstorms Sunday and Monday. The system will move east Tuesday and Wednesday and allow fair weather to return.
SYNOPSIS FROM THE PHOENIX OFFICE
A strong high pressure system will continue to sit over the region leading to the warmest temperatures of the year today and Friday. However, a cold Pacific low pressure system will approach the area this weekend resulting in windy conditions and a cooling trend. This low pressure system will only slowly move across the area Monday and Tuesday with an increasing chance of showers and thunderstorms
along with persistent cool weather.
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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