[ADEQ Forecasts] ADEQ Daily Air Quality Forecast For Wednesday, February 06, 2008

forecasts@lists.azdeq.gov
Tue Feb 5 13:43:24 MST 2008


For more information, please visit our Web page:

http://www.azdeq.gov/ensemble.pdf


Health message for Tuesday, Feb 05: No health impacts expected.

Health message for Wednesday, Feb 06: Unusually sensitive people should
consider reducing prolonged or heavy exertion.

Synopsis and Discussion
The trough of low pressure that brought wind, rain, and snow to much of
the state the past two days is exiting the region with the trough axis
currently situated over New Mexico.  In its wake, northerly winds have
ushered in cooler air, with some desert locals dipping below the
freezing mark this morning.  A ridge aloft will begin to build overhead
by Wednesday, starting a warming trend that should last through the
weekend.  The Valley air mass will become increasingly stagnant through
the remainder of the week as the air aloft warms more rapidly than
surface temperatures.  With most Valley locations receiving at least
some rainfall yesterday, Coarse Particulate Matter should be held in
check.  However, Fine Particulate Matter will begin to creep upwards,
likely reaching the Moderate category by Thursday.  Check back tomorrow
for more Air Quality updates.  - Paris


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