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 2 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
SYNOPSIS FROM THE SAN DIEGO OFFICE
High pressure building into Southern California will bring less extensive low clouds and warming inland through the weekend. Fair and seasonal weather will continue next week with a weak low pressure trough along the West Coast and continued onshore flow. A southwest to northeast oriented ridge axis building into the desert southwest this weekend will bring inland warming with less extensive night and morning low clouds. With a shallower marine layer, we will see better clearing, especially in the valleys. However, a strong inversion will limit clearing at the beaches with perhaps a few hours of sun each afternoon if at all. This will keep temps at the cool with daytime highs a few degrees below normal. Further inland, temps in the valleys will range from the low 80s to low 90s with the warmest spots reaching the mid 90s, upper 70s to mid 80s in the mountains, mid 90s in the high deserts, and 105 to 110 in the low desert. No significant winds are expected through the period as the usual sea breeze dominates.
SYNOPSIS FROM THE PHOENIX OFFICE
Warm and dry conditions will continue through the weekend across the lower deserts, with a slight chance of afternoon thunderstorms over the mountains of far eastern Arizona. Afternoon high temperatures will be near seasonal normals today, but significantly warmer Saturday through next week. Saturday through Next Thursday... A high pressure system will build over the region this weekend. This will result in hot dry conditions with near cloudless skies. Little change in afternoon temperatures are expected with 106 to 109 degree readings through next Thursday.
Weather Story Phoenix Station Weather Story San Diego Station
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