[ADEQ Forecasts] ADEQ Daily Air Quality Forecast - Saturday, March 06, 2010

Fri Mar 5 13:06:30 MST 2010

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Health message for Friday March 05:  Unusually sensitive people should consider reducing prolonged or heavy exertion.

Health message for Saturday March 06:  No health impacts are expected. 

Synopsis and Discussion
An unsettled weather pattern is taking shape for the weekend and the early part of next week.  While some warming aloft today may contribute to some elevated hourly PM2.5 concentrations (>20 μg/m3) Friday night into Saturday morning, breezy to windy conditions on Saturday will set the stage for several days of good air quality.  Warm, breezy conditions Saturday will give way to a good chance of significant precipitation on Sunday as the strong upper level trough that is currently off the California coast moves inland over Arizona.  Quantitative Precipitation Forecasts are calling for ½ inch or more of precipitation for the Phoenix Metro area.  Recent rainfall and the prospect for more will continue to keep PM10 concentrations in check for the foreseeable future.  All pollutants are expected to be in the 'Good' category of the Air Quality Index this weekend.  Check back Sunday for updates on this weekend's storm and its impact on the Valley's air quality.  -  Paris 

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


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