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.

July 5 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
URGENT - WEATHER MESSAGE
...EXCESSIVE HEAT WATCH IN EFFECT FROM FRIDAY MORNING THROUGH
SATURDAY EVENING...
The National Weather Service in San Diego has issued an Excessive
Heat Watch...which is in effect from Friday morning through Saturday evening.
* High Temperatures...In the Inland Valleys and Foothills...100 to 109. In the mountains below 5000 feet...93 to 100. In the lower deserts...110 to 120.
* Impacts...Those working or spending time outdoors, the elderly, children, and those unaccustomed to excessive heat will be most susceptible to dangerous heat illness.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
An Excessive Heat Watch means that a prolonged period of hot temperatures is expected. The combination of hot temperatures and high humidity will combine to create a DANGEROUS SITUATION in which heat illnesses are possible. Drink plenty of fluids...staying an air-conditioned room...stay out of the sun...and check up on relatives and neighbors.
SYNOPSIS FROM THE SAN DIEGO OFFICE
Building high pressure will bring warmer weather through Saturday, followed by minor cooling early next week. It will also bring some showers and thunderstorms mainly to mountains during the afternoons. Coastal low clouds will be patchy nights and mornings.
SYNOPSIS FROM THE PHOENIX OFFICE
Temperatures will remain above normal through this week as a strong high pressure system will dominate the area. A gradual increase in moisture will lead to an increasing chance of thunderstorm activity in central and eastern Arizona.
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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