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.
|January 8 2018|
|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|
An approaching cold front is forecasted to bring windy conditions to Imperial County on Tuesday. The National Weather Service in San Diego has issued a High Wind Warning which is in effect from 4 PM Monday to 4 AM PST
Wednesday for portions of the San Diego Mountains, the desert slopes, and the deserts of San Diego County. The strongest winds will be Tuesday with gusts 55 to 75 mph along the desert slopes and immediately below the
mountain passes. Elsewhere peak gusts will be 45 to 55 mph.
SYNOPSIS FROM THE SAN DIEGO OFFICE
A low pressure system over the eastern Pacific will approach California today. The system will move inland across Southern California on Tuesday. A few showers are possible for today into this evening ahead of the weather system. South to southeast winds will strengthen for late tonight into early Tuesday morning ahead of the cold front with isolated gusts to near 50 mph possible towards the coast. Winds will shift to the southwest to west behind the cold front for later Tuesday morning into Tuesday evening. The most widespread and heaviest precipitation is expected for late tonight into Tuesday morning. Periods of showers will follow into Tuesday evening decreasing from the northwest for late Tuesday night into Wednesday morning.
SYNOPSIS FROM THE PHOENIX OFFICE
A weak low pressure system will bring cloudy skies along with virga and scattered sprinkles throughout the day across southeast California, southwest AZ and northern AZ. A much stronger system moves through the region Tuesday and Wednesday bringing scattered to numerous showers. Breezy to windy conditions will develop ahead and along the front, supporting gusts 20 to 30 mph across portions of southeast CA and southwest AZ. Cooler temperatures will follow the frontal system.
|Weather Story Phoenix Station||Weather Story San Diego Station|