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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.

August 3 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
…Thunderstorms Continuing to Focus Mountains and Deserts; Flash
Flood Threat Continues Through This Evening…
Plentiful moisture and instability will continue to allow thunderstorms to develop over the mountains and deserts where a flash flood threat continues through this evening. Drier air will move in from the southwest on Friday, and thunderstorms will be much less likely, mainly limited to the higher mountains. Humidity will lower Friday through the weekend. Fair weather will prevail from the weekend through most, if not all, of next week
as a trough forms along the west coast. This will keep monsoonal moisture to the east with dry weather prevailing. Temperatures will be seasonal with coastal night and morning low clouds near the coast.
Severe Thunderstorm Warning
The National Weather Service in Phoenix has issued a
* Severe Thunderstorm Warning for…
Southwestern Imperial County in southeastern California…
* Until 400 PM PDT
* At 324 PM PDT, a severe thunderstorm was located near El Centro
Naval Airfield, or 8 miles east of Plaster City, moving northeast
at 10 mph.
HAZARD…60 mph wind gusts and penny size hail.
SOURCE…Radar indicated.
IMPACT…Expect damage to roofs, siding, and trees.
* Locations impacted include…
El Centro, Imperial, Mt. Signal, El Centro Naval Airfield, Heber,
Dixieland and Seeley.
National Weather Service Phoenix AZ
324 PM PDT THU AUG 3 2017
Lingering monsoon moisture over the region is expected to keep storm chances going over the region through Friday, especially over the higher terrain. A dramatic decrease in thunderstorm activity is expected during the upcoming weekend, and continuing through much of next week, as increasing southwesterly flow pushes much drier air into the region.
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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