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 22 2018
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
IMPERIAL COUNTY
Light northwesterly winds will prevail across most of Imperial County today. High temperatures will likely be only into the mid-60s.

SYNOPSIS FROM THE SAN DIEGO OFFICE
High pressure will bring a warming trend through Wednesday with locally gusty northeast winds near the coastal foothills and some high clouds at times. A low pressure system moving inland through California on Thursday will bring stronger onshore flow with cooling gusty west winds in the mountains and deserts and more clouds. For Friday through next weekend stronger high pressure aloft near the West Coast and surface pressure over the Great Basin will bring a greater warming trend with weak to moderate strength Santa Ana winds at times.

SYNOPSIS FROM THE PHOENIX OFFICE
After a cold start to the morning, temperatures will rebound into the mid 60s for the lower deserts on Monday.
SE California might experience some breeziness on Thursday along with a gradual warming trend through Thursday. Cooler air behind this trough will infiltrate our area on Friday pushing high temperatures back down into the 60s for the lower deserts. Another cold front moves through during the latter part of the workweek leading to windy conditions Thursday and much cooler temperatures on Friday. A warming trend is forecast over the weekend as a ridge gradually builds over our area.
Weather Story Phoenix Station Weather Story San Diego Station
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