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 11 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
Winds will remain light today with temperatures reaching into the mid-70s.

SYNOPSIS FROM THE SAN DIEGO OFFICE
Skies are gradually clearing completely this morning, with far inland valleys the last to give up clouds. Some low pockets in the valleys might get some ground fog, but overall today will be quite sunny in all areas. A high pressure ridge building over the West Coast for a beautiful day. The ridge will bring fair and much warmer weather through the long holiday weekend, although there will be some high clouds, which will filter out the sun occasionally. Cold air over the interior West will generate an offshore pressure gradient Friday into Saturday. That will bring offshore winds Friday evening through Sunday to the usual spots in the foothills and below canyons and mountain passes. Saturday appears to be the windiest day, where local winds could gust over 30 mph. High temperatures will rise well above normal this weekend, with some areas forecast to get into the 80s, which is 10-15 degrees above average.

SYNOPSIS FROM THE PHOENIX OFFICE
Dry and warm weather will return to the region for at least the next week as high pressure builds along the Pacific Coast, with temperatures expected to remain above seasonal normals each day. A gradual warming trend will begin today as high temperatures return closer to seasonal normals this afternoon. Any chance for rainfall will remain minimal. Temperatures will also climb back to around 10 degrees above seasonal normals as the upper ridge amplifies and height rises occur.
Weather Story Phoenix Station Weather Story San Diego Station
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