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.

April 6 2016
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
The warmest temperatures so far this year will peak today with lower elevation communities seeing highs well into the 90s. An unsettled weather pattern will return to the desert southwest Thursday and continue for period into next week yielding cooler conditions along with decent chances for rainfall.

Ridge axis remains near coast with a southern branch upper low centered west of Baja Mexico. Meanwhile a low pressure system that pushed through the Rockies and central conus has left behind a weak sagging dry front across central Arizona early this morning. Main impact from that will be locally breezy conditions. For our area that will be most noticeable over the lower Colorado river valley and foothill areas of Gila County and northern Maricopa County. Very warm temperatures still on tap today depending upon how quickly the thicker high clouds move in today highs may not quite reach the numbers we have going. However we will probably climb faster today due to better mixing. We will still be looking at mid-upper 90s on the low deserts today

High pressure aloft will bring us a very warm day today with temperatures well above normal. Warm and sunny will give way to cooler and cloudy conditions with an increasing chance for showers into weekend

One last warm day with hazy skies on today, then cooler Thursday with rain showers moving in from the south. Shower activity is expected to be light to moderate on Thursday with the best precipitation chances occurring later in the day. Shower activity will become more scattered in nature Friday into early Saturday, before another round of moderate to locally heavy showers arrives sometime late Saturday into Sunday.

Fair and very warm again today inland under high pressure aloft with gusty easterly winds along the foothills and below the passes and canyons. The offshore winds will decrease as the sea breeze increases and spreads into the valley this afternoon keeping coastal areas mild. A low pressure system to our southwest will bring more clouds with showers developing on Thursday and continuing into Friday heaviest in the mountains and deserts. Cooler Thursday into the weekend as a colder more dynamic pacific storm system arrives late Saturday into Sunday with showers thunderstorms and locally heavy rainfall possible. Continued cool with a chance of showers early next week.
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