DENSE FOG ADVISORY
Warning Issue Date: 303 PM MST MON DEC 21 2009
...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM MST TUESDAY...
THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A DENSE
FOG ADVISORY...WHICH IS IN EFFECT UNTIL 11 AM MST TUESDAY.
* WIDESPREAD DENSE FREEZING FOG WILL CONTINUE TO DEVELOP THROUGH
TONIGHT AND WILL REMAIN IN THE AREA THROUGH TOMORROW MORNING.
* VISIBILITY WILL DROP BELOW ONE QUARTER MILE AT LOCATIONS FOR
EXTENDED PERIODS OF TIME BEFORE DISSIPATING LATE TOMORROW
MORNING.
* SOME LOCATIONS WILL ALSO SEE ICY ROADS DUE TO FREEZING RAIN AND
FREEZING FOG FORMING BLACK ICE ON ROAD SURFACES.
* LOCATIONS AFFECTED INCLUDE: BROWNING...MARIAS PASS...LOGAN
PASS...CUT BANK...HAVRE...GREAT FALLS...KINGS HILL PASS...
BIG SANDY...FORT BENTON...HELENA...MACDONALD PASS...
LINCOLN...ROGERS PASS...SHELBY...CHESTER...CONRAD...
CHINOOK...CHOTEAU...FAIRFIELD...STANFORD...LEWISTOWN...
LEWISTOWN DIVIDE...WHITE SULPHUR SPRINGS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...LEAVE PLENTY OF DISTANCE AHEAD OF YOU...AND
EXTRA TIME TO REACH YOUR DESTINATION.
$$
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