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.
|September 19 2016|
|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
A shallow marine layer and weak onshore flow will bring areas of dense fog near the coast early this morning. A low pressure system off the Southern California coast will draw mid level moisture from Hurricane Paine into Southern California with scattered showers and isolated thunderstorms with dry lightning. More substantial moisture will spread northward into Southern California for tonight and Tuesday with more clouds and greater chances for showers and isolated thunderstorms...continuing into Wednesday. For Thursday...a low pressure system moving inland through the West will bring strong onshore flow with cooling...drying...and strong west winds in the mountains and deserts. Warmer and dry for next weekend with periods of weak offshore flow
SYNOPSIS FROM THE PHOENIX OFFICE
Increasing clouds are forecast to spread across the region today, leading to a good chance of showers and or light rain over portions of southeast California and southwest Arizona tonight. The chance of showers will continue Tuesday, but spread east toward Phoenix during the afternoon and into Tuesday night. Mostly cloudy skies with a chance of showers and thunderstorms are forecast Wednesday, as deeper moisture remnants from Hurricane Paine spread into the region. A strong early fall storm is forecast to move into the western states Thursday through Saturday, providing drier and cooler conditions across portions southeast California and southern Arizona.
|Weather Story Phoenix Station||Weather Story San Diego Station|