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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.

April 13 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
The next weather system will move towards Southeast California and Western Arizona later this week ushering in strong gusty north winds. The strongest winds are forecast to occur Friday afternoon and evening. Potential hazards include strong cross winds on East-West oriented roads (especially I-10 and I-8), patchy dense blowing dust causing visibilities to drop to under1 mile, and an elevated risk for fire danger due to the combination of strong winds and low humidity values. If you are driving and encounter strong gusty cross winds, remember to keep both hands on the wheel and slow down, keep a good distance between you and the cars in adjacent lanes, and take extra caution when passing high-profile vehicles.

Under high pressure warm and dry weather will persist over the desert Southwest through Thursday. Another Pacific weather system will move through the Western United States Friday and Saturday bringing increased winds and cooler temperatures back to the region. Warmer and drier conditions will make a return to the region early next week.

Fair skies and seasonal temperatures will prevail through Thursday with areas of night and morning low clouds and fog west of the mountains. Low pressure diving south over the Great Basin will increase the onshore flow Thursday into Friday before turning northerly over the weekend. The winds will become quite strong over the mountains and deserts before trending offshore and weakening late in the weekend. Fair and warm weather will prevail early next week as high pressure remains over the regions.

A deep trough will move across the Great Basin and the Southwestern U.S. Thursday and Friday. Strong northwest winds aloft combined with strong onshore surface pressure gradients will produce gusty winds Thursday through Saturday. The strongest winds will be in the mountains and deserts Thursday and Friday when Wind Advisories will likely be needed for wind gusts in excess of 50 mph. Areas of blowing dust and sand will reduce visibility at times and create locally hazardous travel conditions in the deserts
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