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.

February 13 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
Fair and warmer today as low pressure moves east. Cooler on tuesday with areas of low clouds west of the mountains as a weak trough spins up a coastal eddy. Fair and warmer again on Wednesday under high pressure aloft. Cooling will begin on Thursday in advance of a an advancing Pacific storm system for late Friday into the weekend that could bring potentially strong winds and heavy precipitation. Lighter precipitation may continue at times through the weekend.

High pressure aloft near the West Coast and weakening offshore flow will bring additional warming today with high temperatures around 5 degrees above average. Gusty north to northeast winds will continue into this morning along and below the coastal slopes and passes and canyons of the San Bernardino County mountain sand the Santa Ana mountains with strongest gusts to around 45 mph below the Cajon Pass...and along the coastal slopes and foothills of the Santa Ana Mountains.

SYNOPSIS FROM THE PHOENIX OFFICE
A low pressure system moving out of the Desert Southwest will mean a lingering chance of showers mainly across eastern Arizona through Tuesday. Dry conditions return Wednesday through Thursday along with above normal temperatures. Another system returns this weekend for much cooler and wetter conditions.
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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