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.

January 29 2018
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
IMPERIAL COUNTY
Weather should be uneventful foe at least the next few days. Winds will be light while temperatures will push into the low 80s.

SYNOPSIS FROM THE SAN DIEGO OFFICE
High pressure aloft and moderate to locally strong and gusty Santa Ana winds will bring well above average high temperatures today especially west of the mountains. The warmest high temperatures around 90 are expected for inland coastal areas into the western valleys. Gusty Santa Ana winds early this morning are just a little less strong than 24 hours ago with strongest gusts overnight to around 70 mph at Sill Hill in the San Diego County Mountains and 60 mph at Fremont Canyon in the Santa Ana Mountains. The stronger and more widespread winds will continue through the morning then decrease from north to south during the afternoon and evening.
Weaker winds are expected for tonight and Tuesday with the lower level flow becoming weakly onshore on Wednesday. Winds will weaken with slight cooling spreading inland on Tuesday and Wednesday.

SYNOPSIS FROM THE PHOENIX OFFICE
As it has been so far most of this winter, strong ridging will persist across the Southwestern U.S. for the foreseeable future leading to continued well above normal temperatures. After reaching 80 degrees in Phoenix and Yuma on Sunday, we should add on a couple more degrees this afternoon. This is due to a strong surface high pressure over the Great Basin that will bring unseasonably warm and dry weather through the entire week, with high temperatures hovering around 80 degrees most days across the lower deserts. High pressure will remain dominant over the region into next weekend keeping skies mostly clear and temperatures around 10 degrees above seasonal normals.
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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