[ADEQ Forecasts] ADEQ Daily Air Quality Forecast - Tuesday, April 20, 2010

forecasts@lists.azdeq.gov
Mon Apr 19 12:20:08 MST 2010


For more information, please visit our Web page:
http://www.azdeq.gov/ensemble.pdf

For transportation alternatives:
http://www.valleymetro.org


Health message for Monday, April 19: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.  

Health message for Tuesday, April 20: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.  


Synopsis and Discussion
After a remote and weak trough passage today, a much larger and stronger system from the northwest will approach the Valley late Tuesday and Wednesday and settle over the region on Thursday.  Winds aloft over the metro area are now being advertised to peak early Wednesday morning with a surface frontal passage not far behind; gusty winds are therefore likely much of the day.  Areas of blowing dust are possible, but a significant dust event does not appear imminent.  After dropping off today due to cloud cover, local ozone production will rebound on Tuesday as a ridge aloft builds overhead in advance of the aforementioned trough.  This will be aided by minimal cloud cover and afternoon temperatures near 90 degrees F.  Due to breezy south to southwesterly afternoon winds, elevated ozone levels should be confined to areas north and northeast of the Valley center.  Unsettled conditions on Wednesday - including clouds, gusty winds, and some showers - will work against ozone formation that day.  -Reith


If you have any questions or comments regarding this forecast please contact:

Arizona Department of Environmental Quality
Office of Communications
1110 W. Washington St., Phoenix, AZ 85007
(602) 771-2215
ms15@azdeq.gov

 
 

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