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.

June 14 2016
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
Today through Thursday...
Deep low pressure trofing along the Pacific Northwest coast will keep our region under dry southwesterly flow aloft, and 500mb heights in the 584-588dm range through this period. These 500mb heights, combined with 850mb temperatures holding in the 23-27C range will help to keep highs near, or slightly below normal under mainly sunny skies. Overnight lows will continue to be quite pleasant for this time of year, with clear skies and sfc dewpoints in the 20s and 30s allowing the coolest outlying lower desert spots to fall into the 60s each night

SYNOPSIS FROM THE PHOENIX OFFICE
An area of low pressure across the Pacific Northwest will keep temperatures across the region near to below normal through Thursday. Very strong high pressure will then gradually build across the Desert Southwest from Friday into at least the early part of next week, with record high temperatures likely at many locations

SYNOPSIS FROM THE SAN DIEGO OFFICE
A trough of low pressure off the West Coast will maintain below average temperatures and a moderately deep marine layer through Thursday with areas of night and morning low clouds and patchy fog extending into the far inland valleys. High pressure aloft will bring a strong warming trend for Friday into Sunday and Monday with high temperatures for Sunday and Monday of 15 to 20 degrees above average. Cooling is possible for coastal areas beginning next Tuesday...but there could be little relief from the heat in the deserts for much of next wee
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