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.

December 16 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
SYNOPSIS FROM THE SAN DIEGO OFFICE
A Pacific storm affecting Southern California will exit the area this evening. The heaviest rain will continue to be focused along the coastal mountain slopes with very strong winds from the mountain ridge tops to portions of the deserts. Rain will come to an end this evening with cool and dry weather behind the storm this weekend with areas of brisk offshore winds. Fair and only slightly warmer next week with continued offshore flow

Very strong winds were occurring at mountain tops and could occur at anytime across portions of the desert floor should mountain waves surface. Max gusts have been 71 mph at Whitewater and 70 mph at Volcan Mountain. A few downed trees have been reported in the mountains. WRF is less aggressive on showing mountain waves surfacing in the deserts, but will keep the High Wind Warning for the deserts as it still is possible. It has been very windy in the high desert with a gust to 55 mph recorded at Lucerne Valley earlier this morning. /Gregoria

SYNOPSIS FROM THE PHOENIX OFFICE
Somewhat cooler and much more unsettled weather will spread over the area today through Saturday morning. Very gusty winds will develop in southeast California and far western Arizona ahead of a cold front. Elsewhere, a few light showers will be common through central and eastern Arizona. Clearing skies with much cooler temperatures will settle into the region early next week, however temperatures will quickly moderate back to near average by the middle of the week.
Weather Story Phoenix Station Weather Story San Diego Station
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