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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.

July 11 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
Dry with slight cooling through Thursday with the marine layer and weak onshore flow bringing areas of night and morning coastal low clouds and fog...extending locally inland. Higher level moisture from weakening tropical cyclone Eugene will bring some high clouds at times the next few days with residual mid level moisture bringing some afternoon clouds near the mountains. High pressure centered over the Great Basin and central Rockies will bring warming for Friday and Saturday with a return of mid level moisture and weak instability bringing a slight chance of afternoon thunderstorms near the mountains. A greater influx of moisture will maintain the chance of mainly afternoon thunderstorms for the mountains and deserts for Sunday and Monday...with decreasing high temperatures and increasing inland humidities.
Near normal temperatures are expected through the week as high pressure remains positioned over the Great Basin. Thunderstorms will be possible over the higher terrain and parts of the lower deserts of south-central and southwest Arizona each day. Areas of blowing dust and strong winds will likely accompany any thunderstorms that develop.
Weather Story Phoenix Station Weather Story San Diego Station
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