AIR QUALITY ALERT
Warning Issue Date: 358 PM MST WED DEC 16 2009
A STAGNATION WARNING HAS BEEN ISSUED BY THE MONTANA DEPARTMENT OF
ENVIRONMENTAL QUALITY FOR SEELEY LAKE IN MISSOULA COUNTY...
...IN ADDITION...A STAGNATION ALERT HAS BEEN ISSUED BY THE MONTANA
DEPARTMENT OF ENVIRONMENTAL QUALITY FOR
LIBBY...WHITEFISH...KALISPELL AND MISSOULA...THURSDAY...
MDEQ HAS ISSUED A STAGNATION WARNING FOR SEELEY LAKE IN MISSOULA
COUNTY OF WESTERN MONTANA. A STAGNATION WARNING MEANS DISPERSION
CONDITIONS ARE POOR AND NOT EXPECTED TO IMPROVE MUCH AND THAT
PARTICULATE LEVELS HAVE BEEN TRENDING UP AND THAT EXCEEDANCE OF
THE NAAQS HAS ALREADY OCCURRED OR WILL OCCUR.
MDEQ HAS ISSUED A STAGNATION ALERT FOR LINCOLN...FLATHEAD...AND
MISSOULA COUNTIES OF WESTERN MONTANA INCLUDING THE CITIES OF
LIBBY...WHITEFISH...KALISPELL AND MISSOULA. A STAGNATION ALERT
MEANS DISPERSION CONDITIONS ARE POOR AND NOT EXPECTED TO IMPROVE
MUCH AND THAT PARTICULATE LEVELS HAVE BEEN TRENDING UP AND THAT
EXCEEDANCE OF THE NAAQS MAY OCCUR.
PLEASE VISIT THE DEPARTMENTS WEBSITE AT.../USE LOWER CASE/...
HTTP://SVC.MT.GOV/DEQ/AQREPORT/MOSTRECENTUPDATE.ASPX FOR MORE
INFORMATION.
$$
WINTER WEATHER ADVISORY
Warning Issue Date: 634 PM MST WED DEC 16 2009
WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
THURSDAY ABOVE 4000 FEET FOR...I-90 LOOKOUT PASS TO HAUGAN...
A WINTER WEATHER ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT UNTIL
11 AM MST THURSDAY.
* IMPACTS/TIMING: SNOW WILL ONCE AGAIN BE ON THE INCREASE TONIGHT
AND CONTINUE INTO THURSDAY MORNING OVER LOOKOUT PASS. FREEZING
RAIN IS ALSO LIKELY ON THE PASS THROUGH THE EVENING.
* SNOW ACCUMULATIONS: 4 TO 6 INCHES OF SNOW IS LIKELY OVER
LOOKOUT PASS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE
TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED
VISIBILITIES...AND USE CAUTION WHILE DRIVING.
$$
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