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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 20 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
Areas of low clouds and patchy fog along the SoCal coast this morning with light onshore flow and a weak shallow marine layer. The upper ridge axis begins to build over CA later today, peaking on Saturday, then weakening on Sunday as a trough moves across the Pac NW. Temperatures will peak Friday and Saturday, but with only slight moderation on Sunday, it will still be above normal and hot for inland areas. Gusty onshore winds are likely again this afternoon through the mountains and desert slopes, but likely to remain below advisory criteria there.
High pressure will remain in control of the weather this week, keeping the storm track to our north. Breezy conditions will affect the region today and Friday while a weak disturbance passes by to the north, but temperatures will hold in the 90s across the lower elevations. Dry and even warmer conditions are forecast for the weekend as highs will likely hit 100 across many desert locations.
Weather Story Phoenix Station Weather Story San Diego Station
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