Winter Storm Warning Jeffco & Park Co - Update 12/3/13

Winter Storm Watch

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
342 PM MST MON DEC 2 2013

...A RETURN TO WINTER WEATHER WITH SNOW AND MUCH COLDER
TEMPERATURES EXPECTED ACROSS THE MOUNTAINS THIS WEEK...

.A STRONG DISTURBANCE WILL MOVE ACROSS THE COLORADO MOUNTAINS
FROM LATE TONIGHT AND CONTINUE THROUGH MUCH OF WEDNESDAY. IN
ADDITION GUSTY WINDS WILL CREATE BLOWING AND DRIFTING SNOW OVER
THE MOUNTAIN PASSES TONIGHT THROUGH TUESDAY.

AN ARCTIC COLD FRONT WILL MOVE THROUGH THE NORTHEAST PLAINS ON
TUESDAY. SNOW...MODERATE TO HEAVY AT TIMES...IS EXPECTED TO
DEVELOP ALONG THE FRONT RANGE FOOTHILLS AND URBAN CORRIDOR LATE
TUESDAY AFTERNOON AND POSSIBLY CONTINUE THROUGH WEDNESDAY. THE
ARCTIC AIRMASS WILL DROP TEMPERATURES INTO THE SINGLE DIGITS WITH
OVERNIGHT LOWS WELL BELOW ZERO AT TIMES THIS WEEK.

COZ038>041-030645-
/O.NEW.KBOU.WS.A.0012.131203T2200Z-131205T0100Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
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-
INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND...
NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA...
BRIGHTON...CITY OF DENVER...DENVER INTERNATIONAL AIRPORT...
HIGHLANDS RANCH...LITTLETON...PARKER...CASTLE ROCK...ELBERT...
FONDIS...KIOWA...LARKSPUR
342 PM MST MON DEC 2 2013

...WINTER STORM WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM
WATCH...WHICH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY AFTERNOON.

* TIMING...SNOW WILL DEVELOP LATE TUESDAY AFTERNOON AND CONTINUE
THROUGH THE DAY WEDNESDAY.

* SNOW ACCUMULATIONS...6 TO 14 INCHES POSSIBLE...HEAVIEST NEAR
THE FOOTHILLS.

* WIND/VISIBILITY...BANDS OF HEAVY SNOW MAY REDUCE VISIBILITIES TO
LESS THAN ONE QUARTER OF A MILE AT TIMES.

* IMPACTS...WINTER DRIVING CONDITIONS CAN BE EXPECTED WITH ICY AND
SNOWPACKED ROADWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST
FORECASTS.

---

Winter Storm Warning

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
852 PM MST MON DEC 2 2013

...A HARSH RETURN TO WINTER WEATHER WITH SNOW AND VERY COLD
TEMPERATURES THIS WEEK...

.A DEEP AND VERY COLD UPPER LEVEL DISTURBANCE WILL MOVE SOUTHEAST
ACROSS THE NORTHERN ROCKIES AND REACH COLORADO ON TUESDAY. THE
STORM SYSTEM WILL THEN REMAIN OVER THE REGION THROUGH WEDNESDAY.
IN ADDITION...AN ARCTIC COLD FRONT WILL MOVE THROUGH THE
NORTHEAST PLAINS ON TUESDAY.

SNOW WILL INTENSIFY FROM NORTH TO SOUTH ACROSS THE MOUNTAINS LATE
TONIGHT AND TUESDAY MORNING...AND THEN SPREAD ACROSS THE
FOOTHILLS AND PLAINS TUESDAY AFTERNOON AND NIGHT. THE SNOW WILL BE
MODERATE TO HEAVY AT TIMES...ESPECIALLY IN AND NEAR THE MOUNTAINS
AND FOOTHILLS. WITH THE SLOW MOVEMENT OF THE UPPER LEVEL STORM
SYSTEM...THE SNOW IS EXPECTED TO CONTINUE THROUGH MUCH OF WEDNESDAY
BEFORE GRADUALLY DECREASING LATE IN THE DAY.

THE ARCTIC AIRMASS WILL DROP TEMPERATURES INTO THE SINGLE DIGITS
WITH OVERNIGHT LOWS WELL BELOW ZERO AT TIMES THIS WEEK.

COZ031-031200-
/O.CON.KBOU.WS.W.0013.131203T0900Z-131205T0100Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
INCLUDING THE CITIES OF...
EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS...
RABBIT EARS PASS
852 PM MST MON DEC 2 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TUESDAY TO
6 PM MST WEDNESDAY...

* TIMING...SNOW WILL INCREASE LATE TONIGHT AND CONTINUE THROUGH
WEDNESDAY. THE SNOW WILL BE HEAVY AT TIMES TUESDAY AND TUESDAY
NIGHT.

* SNOW ACCUMULATIONS...SNOW ACCUMULATIONS OF 16 TO 30 INCHES CAN
BE EXPECTED THROUGH LATE WEDNESDAY AFTERNOON.

* WIND/VISIBILITY...SOUTHWEST WINDS OF 20 TO 35 MPH WILL CREATE
BLOWING SNOW AND REDUCED VISIBILITIES TONIGHT AND TUESDAY. THE
WIND IS EXPECTED TO DECREASE TUESDAY NIGHT.

* IMPACTS...WINTER DRIVING CONDITIONS CAN BE EXPECTED OVER THE
MOUNTAINS WITH ICY AND SNOWPACKED ROADWAYS. CHAIN REQUIREMENTS
AND ROAD CLOSURES WILL BE POSSIBLE DURING THIS WINTRY PERIOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN
AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

Winter Storm Warning

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
452 AM MST TUE DEC 3 2013

...A HARSH RETURN TO WINTER WEATHER WITH SNOW AND VERY COLD
TEMPERATURES THIS WEEK...

.A DEEP AND VERY COLD UPPER LEVEL DISTURBANCE WILL MOVE SOUTHEAST
ACROSS THE NORTHERN ROCKIES AND REACH COLORADO THIS AFTERNOON. THE
STORM IS A BIT SLOWER THAN PREVIOUS FORECAST...SO THERE WILL BE A
LITTLE DELAY IN SNOWFALL IN THE MOUNTAINS THIS MORNING. THE STORM
SYSTEM WILL THEN REMAIN OVER THE REGION THROUGH WEDNESDAY. IN
ADDITION...AN ARCTIC COLD FRONT WILL MOVE THROUGH THE NORTHEAST
PLAINS THIS AFTERNOON.

SNOW WILL INTENSIFY FROM NORTH TO SOUTH ACROSS THE MOUNTAINS LATE
THIS MORNING AND AFTERNOON. THE SNOW WILL THEN SPREAD ACROSS THE
FOOTHILLS AND PLAINS LATE TUESDAY AFTERNOON AND EVENING. THE SNOW
WILL BE MODERATE TO HEAVY AT TIMES...ESPECIALLY IN AND NEAR THE
MOUNTAINS AND FOOTHILLS. WITH THE SLOW MOVEMENT OF THE UPPER LEVEL
STORM SYSTEM...THE SNOW IS EXPECTED TO CONTINUE THROUGH MUCH OF
WEDNESDAY BEFORE GRADUALLY DECREASING LATE IN THE DAY.

THE ARCTIC AIRMASS WILL DROP TEMPERATURES INTO THE SINGLE DIGITS
WITH OVERNIGHT LOWS WELL BELOW ZERO AT TIMES THIS WEEK.

COZ035>037-032200-
/O.UPG.KBOU.WS.A.0012.131203T2200Z-131205T0100Z/
/O.EXB.KBOU.WS.W.0013.131204T0100Z-131205T0100Z/
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-
CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FAIRPLAY...HARTSEL...
LAKE GEORGE...SOUTH PARK
452 AM MST TUE DEC 3 2013

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
MST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 6 PM THIS
EVENING TO 6 PM MST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER
IN EFFECT.

* TIMING...SNOW...HEAVY AT TIMES...IS EXPECTED TO DEVELOP LATE
THIS AFTERNOON AND CONTINUE THROUGH THE DAY WEDNESDAY.

* SNOW ACCUMULATIONS...9 TO 25 INCHES POSSIBLE THROUGH LATE
WEDNESDAY AFTERNOON...HEAVIEST IN THE FOOTHILLS.

* VISIBILITY...BANDS OF HEAVY SNOW MAY REDUCE VISIBILITIES TO
LESS THAN ONE QUARTER MILE AT TIMES.

* IMPACTS...HAZARDOUS WINTER DRIVING CONDITIONS CAN BE EXPECTED
WITH ICY AND SNOWPACKED ROADWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN
AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.