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I would expect it more to be an effect of the Atlanta, Augusta, GA,
Charlotte, NC and Columbia, SC Metropolitan areas after Meteorology
happens. I know there's a stinky plastics factory just NorthWest of
Charlotte. Coal-fired power plants in Alabama cause acid rain in
New England. That's just the way the weather goes.<br>
<br>
-Stewart<br>
<br>
<br>
On 7/6/2011 12:26 PM, William V. Johnston wrote:
<blockquote
cite="mid:CAEVBQJFmXOQt3dzst-+NGQv_Y_1pM1USsE36bO2VOdUu+TK0gw@mail.gmail.com"
type="cite">A lot of that red and orange around Fayetteville looks
like it could be from training in Fort Bragg's back forty. I've
been there, done that, so it wouldn't surprise me.<br>
<br>
<div class="gmail_quote">On Wed, Jul 6, 2011 at 10:07 AM, Stewart
Dickson <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:s-dickson@hdfgroup.org">s-dickson@hdfgroup.org</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div text="#000000" bgcolor="#ffffff"> Does everyone know this
one?<br>
<a moz-do-not-send="true" href="http://www.airnow.gov"
target="_blank">http://www.airnow.gov</a><br>
<blockquote type="cite">The air quality data used in these
maps and to generate forecasts are collected using either
federal reference or equivalent monitoring techniques or
techniques approved by the state, local or tribal
monitoring agencies. Since the information needed to make
maps must be as "real-time" as possible, the data are
displayed as soon as practical after the end of each hour.
Although some preliminary data quality assessments are
performed, the data as such are not fully verified and
validated through the quality assurance procedures
monitoring organizations use to officially submit and
certify data on the EPA AQS(Air Quality System).
Therefore, data are used on the AIRNow Web site only for
the purpose of reporting the AQI. Information on the
AIRNow web site is not used to formulate or support
regulation, guidance or any other Agency decision or
position.</blockquote>
We're in the dog days of summer now. <a
moz-do-not-send="true"
href="http://www.airnow.gov/index.cfm?action=airnow.local_city&cityid=111"
target="_blank">Fayetteville, NC</a> -- Yuck!<br>
<br>
I wasn't sure whether the map was from monitored or modeled
data. Sounds like it's monitored.<br>
The models (monitored data is only past-tense, you can only
create a forecast from a model) are amazingly<br>
accurate. At the UNC-A NEMAC <a moz-do-not-send="true"
href="http://nemac.unca.edu" target="_blank">http://nemac.unca.edu</a>
I used to run the Community Model for Air <br>
Quality (CMAQ). <a moz-do-not-send="true"
href="http://www.cmaq-model.org" target="_blank">http://www.cmaq-model.org</a>
It is old. The new version is called WRF-CHEM. CMAQ <br>
used MET as its meteorology input. WRF is the newer
Meterology model which is actually used by the NOAA-NWS to
predict the weather. CMAQ/WRF-CHEM adds atmospheric
chemistry to the Meteorology model. It consists of emission
sources plus light-driven reactions like NOX+Sunlight->O3<br>
<br>
<br>
</div>
<br>
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</blockquote>
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<br>
</blockquote>
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