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 24 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
Cooler weather is in the forecast through Friday as a weak trough of low pressure moves through the region. Low clouds will spread farther inland each day as the marine layer deepens. It will be windy in parts of the mountains and deserts. There is a slight chance of light showers from the coast to the foothills Thursday night into Friday morning. High pressure will rebuild over the West this holiday weekend for warmer weather and a shallower marine layer.
SYNOPSIS FROM THE PHOENIX OFFICE
High pressure moving across the region will bring one more day of well-above normal temperatures with high temperatures once again rising well above 100 degrees at many lower desert locations today. Afternoon and evening winds will also pick up in breeziness, especially across the southeast California and mountain passes and ridgetops. Cooler temperatures along with continued breeziness will develop for the latter part of the week and into the upcoming weekend as low pressure once again moves into and across the western US. This spring`s rollercoaster trend of temperatures will continue into next week with a potential early week warm-up followed by another midweek cool down.
Weather Story Phoenix Station Weather Story San Diego Station
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