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.

April 3 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
A low pressure system will move southeastward through the Great Basin today with strong gusty west winds in the mountains and deserts in the afternoon and evening...cooling...and deepening of the marine layer with low clouds and fog extending into portions of the inland valleys. Gusty north winds will follow for late tonight into Tuesday with a warming trend for Tuesday and Wednesday as high pressure aloft strengthens near the West Coast. A developing low pressure system over the eastern Pacific will bring a cooling trend for Thursday into next weekend with a chance of precipitation around next Saturday as the low pressure system moves inland.

SYNOPSIS FROM THE PHOENIX OFFICE
A fast moving weather system is forecast to move into Arizona later Monday, resulting in gusty afternoon and evening west winds. A slight chance of showers is also forecast from Phoenix northward and eastward Monday evening. Clearing skies and slightly cooler temperatures are forecast on Tuesday. A strong warming trend is expected to commence on Wednesday, then continue through the end of the week. Cooler temperatures and chances for precipitation are then likely to return for next weekend.
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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