Winter Weather Advisory for Jeffco & Park Co

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
307 PM MST WED NOV 20 2013

...SIGNIFICANT CHANGE IN THE WEATHER FOR NORTHEAST COLORADO...

.A STRONG COLD FRONT WILL PUSH SOUTH ACROSS THE PLAINS BY MIDNIGHT
WITH SHARPLY COLDER TEMPERATURES SPILLING SOUTH ACROSS THE
REGION. THIS IN COMBINATION WITH UPSLOPE FLOW AND A PASSING UPPER
LEVEL DISTURBANCE WILL BRING RAPID DEVELOPMENT OF SNOW ACROSS THE
PLAINS BY OR SHORTLY AFTER THE MIDNIGHT HOUR. THE SNOW WILL
CONTINUE INTO THE EARLY MORNING HOURS THURSDAY BEFORE GRADUALLY
DECREASING LATE IN THE MORNING TO EARLY AFTERNOON.

OVERNIGHT LOWS ARE EXPECTED TO DROP INTO THE 15 TO 20 DEGREE RANGE
MOST AREAS...ALLOWING ROAD SURFACES TO FREEZE WITH HAZARDOUS
DRIVING CONDITIONS BY LATE TONIGHT THROUGH THE THURSDAY MORNING
COMMUTE.

COZ035-036-039>041-045-046-210615-
/O.NEW.KBOU.WW.Y.0028.131121T0700Z-131121T1900Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK...ARVADA...BOULDER...
GOLDEN...LAKEWOOD...LONGMONT...AURORA...BRIGHTON...
CITY OF DENVER...DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...
LITTLETON...PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA...
LARKSPUR...BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO...
LIMON...MATHESON
307 PM MST WED NOV 20 2013

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MST THURSDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM MIDNIGHT
TONIGHT TO 2 PM MST THURSDAY.

* TIMING...SNOW WILL DEVELOP BY OR SHORTLY AFTER THE MIDNIGHT HOUR.
THE HEAVIEST SNOW IS EXPECTED TO OCCUR BETWEEN 2 AM AND 7 AM.

* SNOW ACCUMULATIONS...TOTAL ACCUMULATIONS OF 2 TO 5 INCHES CAN BE
EXPECTED WITH AMOUNTS OF 4 TO 6 INCHES IN THE FOOTHILLS AND
PALMER DIVIDE AREA.

* WIND/VISIBILITY...NORTHEAST WINDS 15 TO 25 MPH WILL PRODUCE SOME
LOCAL DRIFTING SNOW. VISIBILITIES WILL DROP TO A HALF MILE OR
LESS DURING PERIODS OF HEAVIER SNOWFALL.

* IMPACTS...ROADS WILL LIKELY BECOME ICY AND SNOWPACKED AS
TEMPERATURES PLUMMET INTO THE 15 TO 20 DEGREE RANGE LATE
TONIGHT. A SLOW AND HAZARDOUS THURSDAY MORNING COMMUTE CAN BE
EXPECTED...SO PLAN ACCORDINGLY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL
CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

http://www.crh.noaa.gov/bou/