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.
|May 9 2017|
|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
Moisture wrapping around upper level low pressure over the northern Gulf of California will bring a chance of showers and slight chance of thunderstorms to the mountains this afternoon. A coastal eddy will deepen the marine layer for possible light rain or drizzle west of the mountains tonight and Wednesday morning. Dry and Warmer Thursday and Friday with high pressure aloft...then turning cooler Saturday through Tuesday as another trough of low pressure approaches from the northwest.
SYNOPSIS FROM THE PHOENIX OFFICE
An unusually strong low pressure storm system for early May will continue to bring unsettled conditions to the Desert Southwest through Wednesday. The best chances for showers and thunderstorms will be Tuesday morning and afternoon with slimmer chances by Tuesday evening across most of south-central and southwest Arizona. Temperatures will be well below-normal as afternoon highs struggle to get out of the 70s through Wednesday. Clearing skies and a substantial warming trend will develop through the second half of the week.
|Weather Story Phoenix Station||Weather Story San Diego Station|