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.

August 28 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
EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 10 PM PDT FRIDAY

High pressure aloft over the Great Basin will create excessively hot weather through Friday. Temperatures will cool some over the weekend, but will remain above average.

* High Temperatures: 109 to 116.

*Impacts: Those working or spending time outdoors, the elderly, children, and those unaccustomed to excessive heat will be most susceptible to dangerous heat illness. Young children and pets should never be left unattended in vehicles under any circumstance.

* Outlook: Some cooling will begin by the weekend, but temperatures will remain above average

SYNOPSIS FROM THE SAN DIEGO OFFICE
High pressure aloft over the Great Basin will bring excessive heat for much of the week. The peak of the heat is expected for Tuesday and Wednesday with slightly less heat possible for Thursday into next weekend. Areas of night and morning low clouds and fog over the coastal waters will extend locally inland near the coast. Mid level moisture in southeast flow aloft will bring some afternoon clouds near the mountains with a slight chance of afternoon thunderstorms at times for the mountains and upper deserts and Inland Empire.

SYNOPSIS FROM THE PHOENIX OFFICE
Above normal temperatures will continue this week as strong high pressure remains firmly entrenched over the interior West. Thunderstorm chances will remain limited across lower desert communities into the middle of the week, with activity focused mainly over mountain areas. The possibility of cooler temperatures and increasing moisture heightens across the region by 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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