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.

January 23 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
A large low pressure system near the West Coast will move slowly inland through Tuesday. Much colder air aloft will spread southward across Southern California today. This is expected to increase shower coverage and intensity this afternoon and bring a slight chance of thunderstorms with small hail. Showers will gradually decrease for tonight and Tuesday. Dry and slowly warmer for Wednesday through Friday. For Saturday through Monday...high pressure aloft near the West Coast and surface high pressure over the Great Basin will bring greater warming and periods of gusty northeast winds

Rainfall today will not be widespread as was the case yesterday. It will be more showery in nature with cells fairly fast moving, which will help to limit rainfall amounts. Even so, we will be watching for heavier rainfall which could lead to flash flooding given the recent heavy rainfall. A Flash Flood Watch remains in effect

SYNOPSIS FROM THE PHOENIX OFFICE
The last in the recent series of wet Pacific storm systems will move through the area today and Tuesday, bringing another around of desert rain and mountain snow showers. Snow levels this afternoon and evening will fall to between 5 and 6 thousand feet. Cold front will move through today and behind it a drier and much colder airmass will settle over the region Tuesday through Thursday. This will promote some of the coldest low temperatures so far this year. Clear skies, a slow temperature warming trend and breezy conditions will develop by the coming weekend.
Weather Story Phoenix Station Weather Story San Diego Station
Image for Phoenix Station Weather Story Image for San Diego Station Weather Story

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