[ADEQ Forecasts] ADEQ Daily Air Quality Forecast for Mon., Feb. 26

[forecasts@lists.azdeq.gov]

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

AIR QUALITY FORECAST FOR MONDAY, FEBRUARY 26, 2007
This report is updated by 1:00 p.m. Sunday thru Friday and is valid
for areas within and bordering Maricopa County in Arizona

Health message for Sunday, Feb 25: Unusually sensitive people should consider limiting prolonged exertion outdoors.
Health message for Monday, Feb 26: Unusually sensitive people should consider limiting prolonged exertion outdoors.


Synopsis and Discussion
Pleasant weather is expected the next few days before another trough of low pressure barrels through the western U.S Tuesday and Wednesday.  The difference this time is that the center of the trough will remain north of Arizona, resulting in breezy conditions and cooler air with no rain.  Afternoon desert temperatures will drop from the low to mid 70s Monday and Tuesday to the low to mid 60s Wednesday through Friday.  Winds could possibly produce some blowing dust across the desert floors Tuesday and Wednesday as the tail end of the associated cold front sweeps through Arizona.  This means that Particulate levels will increase through Wednesday and Thursday.  Depending on how quickly they climb the next couple of days and how strong forecasted winds will be, a Health Watch may be necessary by Wednesday.  Unfortunately, the picturesque Phoenix skyline we saw Friday afternoon will be replaced by the hazy, brown cloud we’ve come to know this winter season.  The good news is that as the afternoon temperatures increase heading towards summer, the early morning inversion will not last as long, allowing trapped pollution to disperse more readily.  Check back tomorrow for the latest information.  Have a good day!   –J.Paul 


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