AIR QUALITY ALERT
Warning Issue Date: 418 PM MST THU DEC 31 2009
A STAGNATION WARNING HAS BEEN ISSUED BY THE MONTANA DEPARTMENT OF
ENVIRONMENTAL QUALITY...
MDEQ HAS ISSUED A STAGNATION WARNING FOR MISSOULA COUNTY OF
WESTERN MONTANA INCLUDING THE CITY OF SEELEY LAKE. A STAGNATION
WARNING MEANS DISPERSION CONDITIONS ARE POOR AND NOT EXPECTED TO
IMPROVE MUCH AND THAT PARTICULATE LEVELS HAVE BEEN TRENDING UP.
EXCEEDANCE OF THE NAAQS HAS ALREADY OCCURRED OR WILL OCCUR.
DUE TO A STRONG INVERSION...THE AIR QUALITY HAS OR WILL BECOME UNHEALTHY
IN SEELEY LAKE IN MISSOULA COUNTY.
THOSE INDIVIDUALS WHO ARE SENSITIVE TO INCREASED PARTICULATE OR SMOKE
LEVELS ARE ENCOURAGED TO AVOID PROLONGED OR STRENUOUS OUTDOOR
ACTIVITY. ALL OTHERS SHOULD LIMIT PROLONGED OR STRENUOUS OUTDOOR
ACTIVITY. YOUR COOPERATION IS APPRECIATED.
ANOTHER STATEMENT WILL BE ISSUED ABOUT 4 PM MST TOMORROW UNLESS
CONDITIONS IMPROVE AND THE WARNING IS NO LONGER NEEDED.
PLEASE VISIT THE DEPARTMENTS WEBSITE AT.../USE LOWER CASE/...
HTTP://SVC.MT.GOV/DEQ/AQREPORT/MOSTRECENTUPDATE.ASPX FOR MORE
INFORMATION.
$$
WINTER WEATHER ADVISORY
Warning Issue Date: 234 PM MST THU DEC 31 2009
/
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST /7 AM
PST/ FRIDAY...
A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST /7 AM
PST/ FRIDAY.
* IMPACTS/TIMING: SNOW WILL BE INCREASING OVER THE AREA THIS
AFTERNOON BECOMING MODERATE LATE TONIGHT...ESPECIALLY OVER LOLO
PASS. LOCAL FREEZING RAIN IS POSSIBLE ALONG THE HIGHWAY 12
CORRIDOR FROM KOOSKIA TO LOWELL THIS EVENING AND LOLO PASS TO
LOLO FRIDAY MORNING. HIGHWAY 11 FROM PIERCE TO HEADQUARTERS MAY
ALSO SEE SOME FREEZING RAIN THIS EVENING. THESE TRANSITIONAL
PERIODS WILL CREATE HAZARDOUS DRIVING CONDITIONS. SNOW WILL MIX
WITH RAIN LATE TONIGHT AND EARLY FRIDAY OVER THE HIGHER
ELEVATIONS AS SNOW LEVELS RISE.
* SNOW ACCUMULATIONS: 3 TO 6 INCHES OF SNOW ARE EXPECTED THROUGH
FRIDAY MORNING...WITH LOCAL AMOUNTS UP TO 7 INCHES OVER LOLO
PASS.
* LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO
HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL
TO LOLO PASS...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING
SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE
PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE
CAUTION WHILE DRIVING.
$$
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