Alert archive / Colorado / Winter Storm Warnings in 2015

Winter Storm Warning 3, NWS Denver/Boulder, CO

February 15, 20157 counties in Colorado

NWS Denver/Boulder, CO issued this winter storm warning at Feb 15, 2015, 1:38 PM MST for 7 counties in Colorado. It was in force for 30 hr. 60 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 15, 2015, 1:38 PM MST (20:38 UTC)
Expired
Feb 16, 2015, 8:00 PM MST
In force
30 hr
Issued by
NWS Denver/Boulder, CO

Counties Boulder County, CO, Clear Creek County, CO, Douglas County, CO, Gilpin County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO

The radar

The Denver radar (KFTG), 74 km from the middle of the area, began a volume at 20:43 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Feb 15, 3:30 PM MSTSNOW 14 Ene Nederland, CO
Feb 15, 3:30 PM MSTSNOW 2Nnw Aspen Springs, CO
Feb 15, 3:30 PM MSTSNOW 5.21 N Estes Park, CO0.18 OF WATER
Feb 15, 3:30 PM MSTSNOW 5.55 Ne Ward, CO
Feb 15, 4:00 PM MSTSNOW 3Nw Berthoud Pass, COBERTHOUD SUMMIT SNOTEL WATER EQUIVALENT 0.2 INCH
Feb 15, 4:50 PM MSTSNOW 1Lyons, CO
Feb 15, 5:00 PM MSTSNOW 0.43 Ssw Boulder, CO
Feb 15, 6:00 PM MSTSNOW 0.42 N Longmont, CO
Feb 15, 6:00 PM MSTSNOW 3.84 Ene Nederland, CO2 INCHES PAST 1.5 HOURS
Feb 15, 6:15 PM MSTSNOW 3.54 Sse Brookvale, CO
Feb 15, 6:40 PM MSTSNOW 2.83 N Conifer, CO
Feb 15, 7:22 PM MSTSNOW 1.31 Ssw Lafayette, CO
Feb 15, 8:00 PM MSTSNOW 1.83 Ssw Boulder, CONWS OFFICE
Feb 15, 8:02 PM MSTSNOW 4.7Nnw Aspen Springs, CO
Feb 15, 8:32 PM MSTSNOW 1.5Perry Park, CO
Feb 15, 8:35 PM MSTSNOW 5.54 Ene Nederland, CO
Feb 15, 8:55 PM MSTSNOW 4.9Central City, CO
Feb 15, 9:00 PM MSTSNOW 43 Nw Idledale, CO
Feb 15, 9:00 PM MSTSNOW 6.44 Sse Pinecliffe, CO
Feb 15, 9:15 PM MSTSNOW 33 W Conifer, CO
Feb 15, 9:41 PM MSTSNOW 4.93 N Conifer, CO
Feb 15, 9:54 PM MSTSNOW 2.33 Ssw Boulder, CONWS OFFICE
Feb 15, 10:00 PM MSTSNOW 5.9Nnw Aspen Springs, CO
Feb 15, 10:05 PM MSTSNOW 1.8Lyons, CO
Feb 15, 10:30 PM MSTSNOW 5.31 Sse Bergen Park, CO
Feb 15, 10:30 PM MSTSNOW 5.52 Wnw Floyd Hill, CO
Feb 15, 10:30 PM MSTSNOW 6.54 Sse Brookvale, CO
Feb 15, 10:46 PM MSTSNOW 64 Wsw Eldorado Springs, CO
Feb 15, 11:30 PM MSTSNOW 74 Sse Pinecliffe, COSNOW/WATER EQUIVALENT 0.45
Feb 15, 11:59 PM MSTSNOW 43 Ssw Boulder, CO
Feb 16, 1:15 AM MSTSNOW 114 Ne Ward, CO
Feb 16, 1:29 AM MSTSNOW 6.43 N Conifer, CO
Feb 16, 4:35 AM MSTSNOW 2.53 Sw Longmont, CO
Feb 16, 5:00 AM MSTSNOW 1.64 E Fort Collins, CO
Feb 16, 5:15 AM MSTHEAVY SNOW 8.56 Sw Evergreen, CO
Feb 16, 5:40 AM MSTHEAVY SNOW 6.33 Ssw Boulder, CODAVID SKAGGS RESEARCH CENTER NOAA
Feb 16, 6:00 AM MSTSNOW 2.42 N Loveland, CO
Feb 16, 6:00 AM MSTSNOW 34 E Parker, CO
Feb 16, 6:15 AM MSTHEAVY SNOW 7Genesee, CO
Feb 16, 6:42 AM MSTSNOW 3.63 Sse Silver Plume, CO
Feb 16, 6:50 AM MSTSNOW 5.8Evergreen, CO
Feb 16, 6:55 AM MSTSNOW 3.5Lyons, CO
Feb 16, 7:00 AM MSTSNOW 0.54 Wnw Wellington, CO
Feb 16, 7:00 AM MSTSNOW 1.15 Sse Fort Collins, CO
Feb 16, 7:00 AM MSTSNOW 2.33 E Loveland, CO
Feb 16, 7:00 AM MSTSNOW 2.34 Wsw Berthoud, CO
Feb 16, 7:00 AM MSTSNOW 4.5Wheat Ridge, CO
Feb 16, 7:00 AM MSTSNOW 55 W Bellvue, CO
Feb 16, 7:00 AM MSTHEAVY SNOW 7.81 Sse Estes Park, CO
Feb 16, 7:00 AM MSTHEAVY SNOW 7.92 S Boulder, CO
Feb 16, 7:00 AM MSTHEAVY SNOW 8.25 W Evergreen, CO
Feb 16, 7:00 AM MSTHEAVY SNOW 912 Nw Golden, CO
Feb 16, 7:00 AM MSTHEAVY SNOW 9.53 Wnw Pinecliffe, CO
Feb 16, 7:00 AM MSTHEAVY SNOW 10.5Empire, CO
Feb 16, 7:00 AM MSTHEAVY SNOW 111 Wnw Nederland, CO
Feb 16, 7:01 AM MSTSNOW 2.12 N Longmont, CO
Feb 16, 7:15 AM MSTHEAVY SNOW 6.51 Sse Bergen Park, CO
Feb 16, 7:20 AM MSTHEAVY SNOW 84 E Pinecliffe, COGROSS RESERVIOR
Feb 16, 7:22 AM MSTSNOW 3.5Niwot, CO
Feb 16, 7:24 AM MSTSNOW 73 S Evergreen, CO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 8.6 hours before the alert went out and 187 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 12:00Z on 2015-02-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2015-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1389 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
211 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

384 
WWUS45 KBOU 152038
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
138 PM MST SUN FEB 15 2015

...COLD AND SNOW RETURN TO NORTHEAST COLORADO...

.SNOW WILL BECOME MORE WIDESPREAD AND HEAVIER ACROSS NORTHEAST
AND NORTH CENTRAL COLORADO THROUGH EARLY EVENING. THE HEAVIEST
SNOW IS EXPECTED TO OCCUR IN AND NEAR THE FRONT RANGE MOUNTAINS
AND FOOTHILLS. WHILE THE SNOW MAY TAPER OFF AFTER MIDNIGHT
TONIGHT...ANOTHER DISTURBANCE AND COLD FRONT WILL BRING ANOTHER
ROUND OF HEAVIER SNOW FOR MONDAY.

COZ035-036-160445-
/O.UPG.KBOU.WW.Y.0010.000000T0000Z-150217T0100Z/
/O.NEW.KBOU.WS.W.0003.150215T2038Z-150217T0300Z/
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-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
138 PM MST SUN FEB 15 2015

...WINTER STORM WARNING IN EFFECT UNTIL 8 PM MST MONDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM
WARNING FOR SNOW...WHICH IS IN EFFECT UNTIL 8 PM MST MONDAY. THE
WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

* TIMING...SUNDAY AFTERNOON THROUGH MONDAY.

* SNOW ACCUMULATIONS...8 TO 16 INCHES.

* WIND/VISIBILITY...NORTH TO NORTHEAST WINDS 10 TO 15 MPH.
  VISIBILITIES WILL BE REDUCED TO ONE QUARTER MILE OR LESS IN
  AREAS OF HEAVY SNOW.

* IMPACTS...ROADS WILL BE ICY AND SNOWPACKED WITH HAZARDOUS
  TRAVEL CONDITIONS. VISIBILITIES WILL BE REDUCED AT TIMES DUE TO
  THE HEAVY SNOWFALL. IF TRAVELING ALLOW EXTRA TIME TO REACH YOUR
  DESTINATION.

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.

&&

$$

COZ031-160445-
/O.EXB.KBOU.WW.Y.0010.000000T0000Z-150217T0300Z/
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
138 PM MST SUN FEB 15 2015

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 8 PM MST MONDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 8 PM MST
MONDAY.

* TIMING...SUNDAY AFTERNOON THROUGH MONDAY.

* SNOW ACCUMULATIONS...5 TO 10 INCHES.

* IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED WITH HAZARDOUS 
  TRAVEL CONDITIONS. VISIBILITIES WILL BE REDUCED AT TIMES DUE 
  TO THE HEAVY SNOWFALL. IF TRAVELING ALLOW EXTRA TIME TO REACH 
  YOUR DESTINATION. 

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.

&&

$$

COZ033-034-160445-
/O.EXT.KBOU.WW.Y.0010.000000T0000Z-150217T0300Z/
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-
INCLUDING THE CITIES OF...CAMERON PASS...
LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE...
ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...
BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE...
EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL...
INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS...
WILLIAMS FORK MOUNTAINS...WINTER PARK
138 PM MST SUN FEB 15 2015

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 8 PM MST MONDAY...

* TIMING...SUNDAY AFTERNOON THROUGH MONDAY.

* SNOW ACCUMULATIONS...6 TO 14 INCHES...HEAVIEST ON EAST FACING 
  SLOPES OF THE FRONT RANGE. 

* IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED WITH HAZARDOUS 
  TRAVEL CONDITIONS. VISIBILITIES WILL BE REDUCED AT TIMES DUE 
  TO THE HEAVY SNOWFALL. IF TRAVELING ALLOW EXTRA TIME TO REACH 
  YOUR DESTINATION. 

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.

&&

$$

COZ038>041-160445-
/O.CON.KBOU.WW.Y.0010.000000T0000Z-150216T2200Z/
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
138 PM MST SUN FEB 15 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MST
MONDAY...

* TIMING...SUNDAY AFTERNOON THROUGH MONDAY.

* SNOW ACCUMULATIONS...4 TO 8 INCHES.

* IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED THIS EVENING AS
  TEMPERATURES DROP. HAZARDOUS TRAVEL CONDITIONS WILL REMAIN IN
  PLACE THROUGH MONDAY. VISIBILITIES WILL BE REDUCED AT TIMES
  ESPECIALLY IN AREAS OF HEAVIER SNOWFALL. IF TRAVELING ALLOW
  EXTRA TIME TO REACH YOUR DESTINATION.

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.

&&

$$

BARJENBRUCH
8 follow-up statements
701 
WWUS45 KBOU 152303
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
403 PM MST SUN FEB 15 2015

...COLD AND SNOW RETURN TO NORTHEAST COLORADO...

.SNOW WILL BECOME MORE WIDESPREAD AND HEAVIER ACROSS NORTHEAST
AND NORTH CENTRAL COLORADO THROUGH EARLY EVENING. THE HEAVIEST
SNOW IS EXPECTED TO OCCUR IN AND NEAR THE FRONT RANGE MOUNTAINS
AND FOOTHILLS. WHILE THE SNOW MAY TAPER OFF AFTER MIDNIGHT
TONIGHT...ANOTHER DISTURBANCE AND COLD FRONT WILL BRING ANOTHER
ROUND OF HEAVIER SNOW FOR MONDAY.

COZ035-036-160715-
/O.CON.KBOU.WS.W.0003.000000T0000Z-150217T0300Z/
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-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
403 PM MST SUN FEB 15 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST MONDAY...

* TIMING...SNOW WILL CONTINUE TONIGHT AND MONDAY...AND THEN GRADUALLY
  DECREASE LATE MONDAY AFTERNOON AND EVENING. THE SNOW WILL BE
  HEAVY AT TIMES THROUGH THIS EVENING...AND THEN AGAIN MONDAY
  MORNING THROUGH EARLY AFTERNOON.

* SNOW ACCUMULATIONS...8 TO 16 INCHES.

* WIND/VISIBILITY...NORTH TO NORTHEAST WINDS 10 TO 15 MPH. 
  VISIBILITIES WILL BE REDUCED TO ONE QUARTER MILE OR LESS IN 
  AREAS OF HEAVY SNOW. 

* IMPACTS...ROADS WILL BE ICY AND SNOWPACKED WITH HAZARDOUS 
  TRAVEL CONDITIONS. VISIBILITIES WILL BE REDUCED AT TIMES DUE 
  TO THE HEAVY SNOWFALL. IF TRAVELING ALLOW EXTRA TIME TO REACH 
  YOUR DESTINATION. 

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.

&&

$$

COZ031-033-034-160715-
/O.CON.KBOU.WW.Y.0010.000000T0000Z-150217T0300Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-
INCLUDING THE CITIES OF...
EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS...
RABBIT EARS PASS...CAMERON PASS...
LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE...
ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...
BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE...
EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL...
INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS...
WILLIAMS FORK MOUNTAINS...WINTER PARK
403 PM MST SUN FEB 15 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST
MONDAY...

* TIMING...PERIODS OF SNOW WILL CONTINUE THROUGH MONDAY. A GRADUAL
  DECREASE IS EXPECTED LATE MONDAY AFTERNOON AND EVENING.

* SNOW ACCUMULATIONS...6 TO 14 INCHES...HEAVIEST ON EAST FACING 
  SLOPES OF THE FRONT RANGE. 

* IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED WITH HAZARDOUS 
  TRAVEL CONDITIONS. VISIBILITIES WILL BE REDUCED AT TIMES DUE 
  TO THE HEAVY SNOWFALL. IF TRAVELING ALLOW EXTRA TIME TO REACH 
  YOUR DESTINATION. 

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.

&&

$$

COZ038>041-160715-
/O.CON.KBOU.WW.Y.0010.000000T0000Z-150216T2200Z/
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
403 PM MST SUN FEB 15 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MST
MONDAY...

* TIMING...PERIODS OF SNOW WILL CONTINUE THROUGH MONDAY AFTERNOON.
  THE SNOW MAY BE HEAVY AT TIMES THIS EVENING AND THEN AGAIN
  MONDAY MORNING.

* SNOW ACCUMULATIONS...3 TO 8 INCHES...WITH THE HEAVIER AMOUNTS
  NEAR THE FOOTHILLS OF BOULDER...JEFFERSON...AND DOUGLAS COUNTIES.

* IMPACTS...ROADS WILL BECOME SLUSHY OR SNOWPACKED LATER THIS
  EVENING AS TEMPERATURES DROP. HAZARDOUS TRAVEL CONDITIONS WILL
  REMAIN IN PLACE THROUGH MONDAY MORNING...WITH SOME IMPROVEMENT
  EXPECTED BY AFTERNOON. VISIBILITIES WILL BE REDUCED AT TIMES
  ESPECIALLY IN AREAS OF HEAVIER SNOWFALL. IF TRAVELING ALLOW
  EXTRA TIME TO REACH YOUR DESTINATION.

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.

&&

$$

BARJENBRUCH
498 
WWUS45 KBOU 160545
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1045 PM MST SUN FEB 15 2015

...SNOW CONTINUING INTO MONDAY...

.SNOW WILL CONTINUE OVERNIGHT ALONG THE FRONT RANGE. SOME DECREASE
IS EXPECTED DURING THE MIDDLE OF THE NIGHT...THEN ANOTHER ROUND
OF HEAVIER SNOW IS EXPECTED MONDAY MORNING.

COZ035-036-161400-
/O.CON.KBOU.WS.W.0003.000000T0000Z-150217T0300Z/
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-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
1045 PM MST SUN FEB 15 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST MONDAY...

* TIMING...SNOW WILL CONTINUE TONIGHT AND MONDAY...AND THEN
  GRADUALLY DECREASE LATE MONDAY AFTERNOON AND EVENING. THE SNOW
  WILL BE HEAVIEST FROM BOULDER COUNTY SOUTHWARD IN THE MIDDLE OF
  THE NIGHT...AND THEN INCREASE AGAIN FROM NORTH TO SOUTH MONDAY
  MORNING.

* SNOW ACCUMULATIONS...8 TO 16 INCHES.

* WIND/VISIBILITY...NORTH TO NORTHEAST WINDS 10 TO 15 MPH. 
  VISIBILITIES WILL BE REDUCED TO ONE QUARTER MILE OR LESS IN 
  AREAS OF HEAVY SNOW. 

* IMPACTS...ROADS WILL BE ICY AND SNOWPACKED WITH HAZARDOUS 
  TRAVEL CONDITIONS. VISIBILITIES WILL BE REDUCED AT TIMES DUE 
  TO THE HEAVY SNOWFALL. IF TRAVELING ALLOW EXTRA TIME TO REACH 
  YOUR DESTINATION. 

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. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

COZ031-033-034-161400-
/O.CON.KBOU.WW.Y.0010.000000T0000Z-150217T0300Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-
INCLUDING THE CITIES OF...
EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS...
RABBIT EARS PASS...CAMERON PASS...
LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE...
ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...
BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE...
EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL...
INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS...
WILLIAMS FORK MOUNTAINS...WINTER PARK
1045 PM MST SUN FEB 15 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST
MONDAY...

* TIMING...PERIODS OF SNOW WILL CONTINUE THROUGH MONDAY. A 
  GRADUAL DECREASE IS EXPECTED LATE MONDAY AFTERNOON AND 
  EVENING. 

* SNOW ACCUMULATIONS...6 TO 14 INCHES...HEAVIEST ON EAST FACING 
  SLOPES OF THE FRONT RANGE. 

* IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED WITH HAZARDOUS 
  TRAVEL CONDITIONS. VISIBILITIES WILL BE REDUCED AT TIMES DUE 
  TO THE HEAVY SNOWFALL. IF TRAVELING ALLOW EXTRA TIME TO REACH 
  YOUR DESTINATION. 

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.

&&

$$

COZ038>041-161400-
/O.CON.KBOU.WW.Y.0010.000000T0000Z-150216T2200Z/
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
1045 PM MST SUN FEB 15 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MST
MONDAY...

* TIMING...SNOW WILL CONTINUE THROUGH MONDAY AFTERNOON. THE
  INTENSITY WILL VARY...BUT THERE WILL BE A GENERAL INCREASE
  MONDAY MORNING.

* SNOW ACCUMULATIONS...3 TO 8 INCHES...WITH THE HEAVIER AMOUNTS 
  NEAR THE FOOTHILLS OF BOULDER...JEFFERSON...AND DOUGLAS 
  COUNTIES. 

* IMPACTS...AREAS OF ICY ROADS WILL DEVELOP OVERNIGHT AS
  TEMPERATURES DROP. HAZARDOUS TRAVEL CONDITIONS WILL REMAIN IN
  PLACE THROUGH MONDAY MORNING...WITH SOME IMPROVEMENT EXPECTED BY
  AFTERNOON. VISIBILITIES WILL BE REDUCED AT TIMES ESPECIALLY IN
  AREAS OF HEAVIER SNOWFALL. IF TRAVELING ALLOW EXTRA TIME TO
  REACH YOUR DESTINATION.

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.

&&

$$

GIMMESTAD
508 
WWUS45 KBOU 161259
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
559 AM MST MON FEB 16 2015

COZ035-036-162100-
/O.CON.KBOU.WS.W.0003.000000T0000Z-150217T0300Z/
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-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
559 AM MST MON FEB 16 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* TIMING...SNOW WILL CONTINUE TODAY AND EARLY THIS EVENING...THEN
  DIMINISHING OVERNIGHT. THE SNOW WILL BE HEAVIEST FROM BOULDER
  COUNTY SOUTHWARD THROUGH JEFFERSON COUNTY...ESPECIALLY LATER
  THIS MORNING AND AFTERNOON. 

* SNOW ACCUMULATIONS...ADDITIONAL SNOWFALL OF 4 TO 8 INCHES.

* WIND/VISIBILITY...NORTH TO NORTHEAST WINDS 10 TO 15 MPH. 
  VISIBILITIES WILL BE REDUCED TO ONE QUARTER MILE OR LESS IN 
  AREAS OF HEAVY SNOW. 

* IMPACTS...ROADS WILL BE ICY AND SNOWPACKED WITH HAZARDOUS 
  TRAVEL CONDITIONS. VISIBILITIES WILL BE REDUCED AT TIMES DUE 
  TO THE HEAVY SNOWFALL. IF TRAVELING ALLOW EXTRA TIME TO REACH 
  YOUR DESTINATION. 

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. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

COZ031-033-034-162100-
/O.CON.KBOU.WW.Y.0010.000000T0000Z-150217T0300Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-
INCLUDING THE CITIES OF...
EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS...
RABBIT EARS PASS...CAMERON PASS...
LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE...
ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...
BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE...
EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL...
INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS...
WILLIAMS FORK MOUNTAINS...WINTER PARK
559 AM MST MON FEB 16 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* TIMING...PERIODS OF SNOW WILL CONTINUE THROUGH MONDAY. A GRADUAL
  DECREASE IS EXPECTED THIS EVENING. 

* SNOW ACCUMULATIONS...ADDITIONAL SNOWFALL OF 3 TO 7 INCHES...HEAVIEST
  ON EAST FACING SLOPES OF THE FRONT RANGE.

* IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED WITH HAZARDOUS 
  TRAVEL CONDITIONS. VISIBILITIES WILL BE REDUCED AT TIMES DUE 
  TO THE HEAVY SNOWFALL. IF TRAVELING ALLOW EXTRA TIME TO REACH 
  YOUR DESTINATION. 

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.

&&

$$

COZ038>041-162100-
/O.CON.KBOU.WW.Y.0010.000000T0000Z-150216T2200Z/
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
559 AM MST MON FEB 16 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MST THIS
AFTERNOON...

* TIMING...SNOW WILL CONTINUE THROUGH THIS AFTERNOON. THE
  INTENSITY WILL VARY...BUT THERE WILL BE A GENERAL INCREASE BY
  LATE MONDAY MORNING.

* SNOW ACCUMULATIONS...ADDITIONAL 2 TO 4 INCHES...WITH THE
  HEAVIER AMOUNTS NEAR THE FOOTHILLS OF BOULDER...JEFFERSON...AND
  DOUGLAS COUNTIES.

* IMPACTS...ROADS WILL BE ICY AND SNOWPACKED THIS MORNING. EXPECT
  SOME IMPROVEMENT EXPECTED BY AFTERNOON. VISIBILITIES WILL BE
  REDUCED AT TIMES ESPECIALLY IN AREAS OF HEAVIER SNOWFALL. IF
  TRAVELING ALLOW EXTRA TIME TO REACH YOUR DESTINATION.

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.

&&

$$
108 
WWUS45 KBOU 161449
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
749 AM MST MON FEB 16 2015

...SNOW ENDING NORTHERN BORDER AREA...

SNOW HAS PRETTY MUCH ENDED IN THE FORT COLLINS AREA AND MUCH OF
EASTERN LARIMER COUNTY THIS MORNING. ONLY SCATTERED SNOW SHOWERS
CAN BE EXPECTED THROUGH THE REST OF THE DAY WITH LITTLE ADDITIONAL
ACCUMULATION THERE. 

MEANWHILE...SNOW WILL CONTINUE THROUGH THE REST OF THE MORNING IN
THE FOOTHILLS...FRONT RANGE MOUNTAINS...AND DENVER METRO AREA.
WHILE THE SNOW MAY DECREASE TOWARD LATE MORNING...SHOWERS WITH
BRIEF HEAVY SNOW WILL LIKELY REDEVELOP THIS AFTERNOON. 

ROADS IN THE REMAINING ADVISORY AND WARNING AREAS WERE SNOW
COVERED...ICY...AND SLICK. IF TRAVELING...BE PREPARED FOR SLOW AND
HAZARDOUS TRAVEL CONDITIONS.

COZ038-161600-
/O.CAN.KBOU.WW.Y.0010.000000T0000Z-150216T2200Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND...
NUNN
749 AM MST MON FEB 16 2015

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

ONLY SCATTERED SNOW SHOWERS CAN BE EXPECTED THROUGH THE REST OF
THE DAY. ADDITIONAL ACCUMULATION WILL BE AN INCH OR LESS.

$$

COZ035-036-162300-
/O.CON.KBOU.WS.W.0003.000000T0000Z-150217T0300Z/
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-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
749 AM MST MON FEB 16 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* TIMING...SNOW WILL CONTINUE TODAY AND EARLY THIS EVENING... THEN
  DIMINISHING OVERNIGHT. THE SNOW WILL BE HEAVY AT TIMES FROM THE
  FOOTHILLS OF BOULDER COUNTY SOUTHWARD THROUGH THE FOOTHILLS OF
  JEFFERSON AND DOUGLAS COUNTIES.

* SNOW ACCUMULATIONS...ADDITIONAL SNOWFALL OF 4 TO 8 INCHES.

* WIND/VISIBILITY...NORTHEAST WINDS 10 TO 15 MPH. VISIBILITIES
  WILL BE REDUCED TO ONE QUARTER MILE OR LESS IN AREAS OF HEAVY
  SNOW.

* IMPACTS...ROADS WILL BE ICY AND SNOWPACKED WITH HAZARDOUS 
  TRAVEL CONDITIONS. VISIBILITIES WILL BE REDUCED AT TIMES DUE 
  TO THE HEAVY SNOWFALL. IF TRAVELING ALLOW EXTRA TIME TO REACH 
  YOUR DESTINATION. 

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. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

COZ031-033-034-162300-
/O.CON.KBOU.WW.Y.0010.000000T0000Z-150217T0300Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-
INCLUDING THE CITIES OF...
EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS...
RABBIT EARS PASS...CAMERON PASS...
LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE...
ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...
BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE...
EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL...
INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS...
WILLIAMS FORK MOUNTAINS...WINTER PARK
749 AM MST MON FEB 16 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* TIMING...PERIODS OF SNOW WILL CONTINUE TODAY. THE SHOWERS MAY BE
  HEAVY AT TIMES THIS AFTERNOON. A GRADUAL DECREASE IS EXPECTED
  THIS EVENING.

* SNOW ACCUMULATIONS...ADDITIONAL SNOWFALL OF 3 TO 7 INCHES... 
  HEAVIEST ON EAST FACING SLOPES OF THE FRONT RANGE. 

* IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED WITH HAZARDOUS 
  TRAVEL CONDITIONS. VISIBILITIES WILL BE REDUCED AT TIMES DUE 
  TO THE HEAVY SNOWFALL. IF TRAVELING ALLOW EXTRA TIME TO REACH 
  YOUR DESTINATION. 

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.

&&

$$

COZ039>041-162200-
/O.CON.KBOU.WW.Y.0010.000000T0000Z-150216T2200Z/
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...ARVADA...BOULDER...GOLDEN...LAKEWOOD...
LONGMONT...AURORA...BRIGHTON...CITY OF DENVER...
DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON...
PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR
749 AM MST MON FEB 16 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MST THIS
AFTERNOON...

* TIMING...SNOW WILL CONTINUE THROUGH THIS AFTERNOON. THE
  INTENSITY WILL VARY CONSIDERABLY THROUGHOUT THE DAY...WITH
  OCCASIONAL HEAVY SHOWERS POSSIBLE THROUGH MID AFTERNOON. THERE
  SHOULD BE A DECREASE BY LATE AFTERNOON WITH SNOW ENDING THIS
  EVENING.

* SNOW ACCUMULATIONS...ADDITIONAL 1 TO 4 INCHES...WITH THE HEAVIER
  AMOUNTS NEAR THE FOOTHILLS OF BOULDER...JEFFERSON...AND DOUGLAS
  COUNTIES.

* IMPACTS...ROADS WILL BE ICY AND SNOWPACKED THIS MORNING. 
  EXPECT SOME IMPROVEMENT EXPECTED BY AFTERNOON. VISIBILITIES 
  WILL BE REDUCED AT TIMES ESPECIALLY IN AREAS OF HEAVIER 
  SNOWFALL. IF TRAVELING ALLOW EXTRA TIME TO REACH YOUR 
  DESTINATION. 

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.

&&

$$

BARJENBRUCH
954 
WWUS45 KBOU 162014
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
114 PM MST MON FEB 16 2015

...SNOW SHOWERS THIS AFTERNOON...

MOST OF THE STEADY SNOW HAD PUSHED INTO THE SOUTHERN FRONT RANGE
FOOTHILLS...BUT MORE SHOWERS WILL CONTINUE TO DROP SOUTHWARD
ACROSS THE AREA THROUGH THE AFTERNOON. SOME OF THESE SHOWERS WILL
PRODUCE BRIEF BUT VERY HEAVY SNOWFALL. BE PREPARED FOR RAPIDLY
CHANGING TRAVEL CONDITIONS AND SUDDEN REDUCTIONS IN VISIBILITY.

COZ035-036-170300-
/O.CON.KBOU.WS.W.0003.000000T0000Z-150217T0300Z/
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-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
114 PM MST MON FEB 16 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* TIMING...SNOW SHOWERS WILL CONTINUE INTO EARLY EVENING...BEFORE
  GRADUALLY DIMINISHING AND COMING TO AN END LATE THIS EVENING.
  THE SNOW WILL BE HEAVY AT TIMES FROM THE FOOTHILLS OF BOULDER
  COUNTY SOUTHWARD THROUGH THE FOOTHILLS OF JEFFERSON AND DOUGLAS
  COUNTIES.

* SNOW ACCUMULATIONS...ADDITIONAL SNOWFALL OF 2 TO 5 INCHES.

* WINDS/VISIBILITY...VISIBILITIES WILL BE REDUCED TO ONE QUARTER
  MILE OR LESS IN AREAS OF HEAVY SNOW. WINDS WILL BE LIGHT.

* IMPACTS...VARIABLE TRAVEL CONDITIONS CAN BE EXPECTED DUE TO THE
  LOCALLY HEAVY SNOW SHOWERS. SOME AREAS MAY SEE JUST WET
  ROADS...WHILE HEAVY SNOW SHOWERS MAY PRODUCE SUDDEN SLICK
  CONDITIONS AND POOR VISIBILITIES. IF TRAVELING ALLOW EXTRA TIME
  TO REACH YOUR DESTINATION.

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. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

COZ031-033-034-170300-
/O.CON.KBOU.WW.Y.0010.000000T0000Z-150217T0300Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-
INCLUDING THE CITIES OF...
EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS...
RABBIT EARS PASS...CAMERON PASS...
LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE...
ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...
BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE...
EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL...
INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS...
WILLIAMS FORK MOUNTAINS...WINTER PARK
114 PM MST MON FEB 16 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* TIMING...SNOW SHOWERS WILL CONTINUE THROUGH EARLY
  EVENING...BEFORE GRADUALLY DIMINISHING. THE SHOWERS MAY BE HEAVY
  AT TIMES THIS AFTERNOON.

* SNOW ACCUMULATIONS...ADDITIONAL SNOWFALL OF 2 TO 4 INCHES.

* IMPACTS...VARIABLE TRAVEL CONDITIONS CAN BE EXPECTED DUE TO THE
  LOCALLY HEAVY SNOW SHOWERS. SOME AREAS MAY SEE JUST WET
  ROADS...WHILE HEAVY SNOW SHOWERS MAY PRODUCE SUDDEN SLICK
  CONDITIONS AND POOR VISIBILITIES. IF TRAVELING ALLOW EXTRA TIME
  TO REACH YOUR DESTINATION.

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.

&&

$$

COZ039>041-162200-
/O.CON.KBOU.WW.Y.0010.000000T0000Z-150216T2200Z/
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...ARVADA...BOULDER...GOLDEN...LAKEWOOD...
LONGMONT...AURORA...BRIGHTON...CITY OF DENVER...
DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON...
PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR
114 PM MST MON FEB 16 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MST THIS
AFTERNOON...

* TIMING...SNOW SHOWERS WILL CONTINUE THIS AFTERNOON...WITH SOME
  SHOWERS PRODUCING BRIEF BUT VERY HEAVY SNOW. THERE SHOULD BE A
  DECREASE BY LATE AFTERNOON WITH SNOW ENDING THIS EVENING.

* SNOW ACCUMULATIONS...UP TO 2 INCHES...WITH THE HEAVIER AMOUNTS
  NEAR THE FOOTHILLS OF BOULDER...JEFFERSON...AND DOUGLAS
  COUNTIES.

* IMPACTS...VARIABLE TRAVEL CONDITIONS CAN BE EXPECTED DUE TO THE
  LOCALLY HEAVY SNOW SHOWERS. SOME AREAS MAY SEE JUST WET
  ROADS...WHILE HEAVY SNOW SHOWERS MAY PRODUCE SUDDEN SLICK
  CONDITIONS AND POOR VISIBILITIES. IF TRAVELING ALLOW EXTRA TIME
  TO REACH YOUR DESTINATION.

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.

&&

$$

BARJENBRUCH
622 
WWUS45 KBOU 162204
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
304 PM MST MON FEB 16 2015

...SNOW SHOWERS DECREASING THIS EVENING...

SNOW SHOWERS WILL GRADUALLY DECREASE ACROSS THE AREA THROUGH THE
EARLY EVENING HOURS. SOME OF THESE SHOWERS WILL STILL PRODUCE A
BRIEF PERIOD OF HEAVY SNOWFALL. BE PREPARED FOR RAPIDLY CHANGING
TRAVEL CONDITIONS AND SUDDEN REDUCTIONS IN VISIBILITY.

COZ039-040-162315-
/O.CAN.KBOU.WW.Y.0010.000000T0000Z-150216T2200Z/
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-
INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD...
LONGMONT...AURORA...BRIGHTON...CITY OF DENVER...
DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON...
PARKER
304 PM MST MON FEB 16 2015

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

SNOW SHOWERS WILL CONTINUE TO DECREASE DURING THE LATE AFTERNOON
AND EARLY EVENING HOURS. ANY ADDITIONAL ACCUMULATION WILL BE LESS
THAN AN INCH. 

$$

COZ035-036-170300-
/O.CON.KBOU.WS.W.0003.000000T0000Z-150217T0300Z/
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-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
304 PM MST MON FEB 16 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* TIMING...SNOW SHOWERS...A FEW HEAVY...WILL CONTINUE INTO EARLY
  EVENING...BEFORE GRADUALLY DIMINISHING AND COMING TO AN END LATE
  THIS EVENING. 

* SNOW ACCUMULATIONS...ADDITIONAL SNOWFALL UP TO 2 INCHES. 

* WINDS/VISIBILITY...VISIBILITIES WILL BE REDUCED TO ONE QUARTER 
  MILE OR LESS IN AREAS OF HEAVY SNOW. WINDS WILL BE LIGHT. 

* IMPACTS...VARIABLE TRAVEL CONDITIONS CAN BE EXPECTED DUE TO THE
  LOCALLY HEAVY SNOW SHOWERS. SOME AREAS MAY SEE JUST WET
  ROADS...WHILE HEAVY SNOW SHOWERS MAY PRODUCE SUDDEN SLICK
  CONDITIONS AND POOR VISIBILITIES. IF TRAVELING ALLOW EXTRA TIME
  TO REACH YOUR DESTINATION.

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. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

COZ041-170000-
/O.EXT.KBOU.WW.Y.0010.000000T0000Z-150217T0000Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...FONDIS...KIOWA...
LARKSPUR
304 PM MST MON FEB 16 2015

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* TIMING...SNOW SHOWERS WILL GRADUALLY DECREASE LATE THIS
  AFTERNOON AND INTO THE EARLY EVENING HOURS.

* SNOW ACCUMULATIONS...UP TO 2 INCHES ADDITIONAL.

* IMPACTS...VARIABLE TRAVEL CONDITIONS CAN BE EXPECTED DUE TO 
  THE LOCALLY HEAVY SNOW SHOWERS. SOME AREAS MAY SEE JUST WET 
  ROADS...WHILE HEAVY SNOW SHOWERS MAY PRODUCE SUDDEN SLICK 
  CONDITIONS AND POOR VISIBILITIES. IF TRAVELING ALLOW EXTRA 
  TIME TO REACH YOUR DESTINATION. 

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.

&&

$$

COZ031-033-034-170300-
/O.CON.KBOU.WW.Y.0010.000000T0000Z-150217T0300Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-
INCLUDING THE CITIES OF...
EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS...
RABBIT EARS PASS...CAMERON PASS...
LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE...
ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...
BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE...
EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL...
INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS...
WILLIAMS FORK MOUNTAINS...WINTER PARK
304 PM MST MON FEB 16 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* TIMING...SNOW SHOWERS WILL CONTINUE THROUGH EARLY EVENING...
  BEFORE GRADUALLY DIMINISHING. THE SHOWERS MAY BE HEAVY AT TIMES
  INTO EARLY EVENING.

* SNOW ACCUMULATIONS...ADDITIONAL SNOWFALL OF 1 TO 3 INCHES.

* IMPACTS...VARIABLE TRAVEL CONDITIONS CAN BE EXPECTED DUE TO 
  THE LOCALLY HEAVY SNOW SHOWERS. SOME AREAS MAY SEE JUST WET 
  ROADS...WHILE HEAVY SNOW SHOWERS MAY PRODUCE SUDDEN SLICK 
  CONDITIONS AND POOR VISIBILITIES. IF TRAVELING ALLOW EXTRA 
  TIME TO REACH YOUR DESTINATION. 

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.

&&

$$

BARJENBRUCH
148 
WWUS45 KBOU 162353
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
453 PM MST MON FEB 16 2015

...SNOW SHOWERS DECREASING THIS EVENING...

SNOW SHOWERS WILL GRADUALLY DECREASE ACROSS THE AREA THROUGH THE
EARLY EVENING HOURS. SOME OF THESE SHOWERS WILL STILL PRODUCE A
BRIEF PERIOD OF HEAVY SNOWFALL. BE PREPARED FOR RAPIDLY CHANGING
TRAVEL CONDITIONS AND SUDDEN REDUCTIONS IN VISIBILITY.

COZ041-170100-
/O.EXP.KBOU.WW.Y.0010.000000T0000Z-150217T0000Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...FONDIS...KIOWA...
LARKSPUR
453 PM MST MON FEB 16 2015

...WINTER WEATHER ADVISORY WILL EXPIRE AT 5 PM MST THIS
AFTERNOON...

SNOW SHOWERS WILL CONTINUE TO DECREASE THE REST OF THIS
AFTERNOON...WITH LITTLE ADDITIONAL ACCUMULATION EXPECTED.
THEREFORE THE WINTER WEATHER ADVISORY WILL BE ALLOWED TO EXPIRE.

$$

COZ035-036-170300-
/O.CON.KBOU.WS.W.0003.000000T0000Z-150217T0300Z/
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-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
453 PM MST MON FEB 16 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* TIMING...SNOW SHOWERS...A FEW HEAVY...WILL CONTINUE INTO EARLY 
  EVENING...BEFORE GRADUALLY DIMINISHING AND COMING TO AN END 
  LATE THIS EVENING. 

* SNOW ACCUMULATIONS...ADDITIONAL SNOWFALL UP TO 2 INCHES.

* WINDS/VISIBILITY...VISIBILITIES WILL BE REDUCED TO ONE QUARTER 
  MILE OR LESS IN AREAS OF HEAVY SNOW. WINDS WILL BE LIGHT. 

* IMPACTS...VARIABLE TRAVEL CONDITIONS CAN BE EXPECTED DUE TO 
  THE LOCALLY HEAVY SNOW SHOWERS. SOME AREAS MAY SEE JUST WET 
  ROADS...WHILE HEAVY SNOW SHOWERS MAY PRODUCE SUDDEN SLICK 
  CONDITIONS AND POOR VISIBILITIES. IF TRAVELING ALLOW EXTRA 
  TIME TO REACH YOUR DESTINATION. 

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. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

COZ031-033-034-170300-
/O.CON.KBOU.WW.Y.0010.000000T0000Z-150217T0300Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-
INCLUDING THE CITIES OF...
EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS...
RABBIT EARS PASS...CAMERON PASS...
LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE...
ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...
BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE...
EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL...
INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS...
WILLIAMS FORK MOUNTAINS...WINTER PARK
453 PM MST MON FEB 16 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* TIMING...SNOW SHOWERS WILL CONTINUE THROUGH EARLY EVENING... 
  BEFORE GRADUALLY DIMINISHING. THE SHOWERS MAY BE HEAVY AT 
  TIMES INTO EARLY EVENING. 

* SNOW ACCUMULATIONS...ADDITIONAL SNOWFALL OF 1 TO 3 INCHES.

* IMPACTS...VARIABLE TRAVEL CONDITIONS CAN BE EXPECTED DUE TO 
  THE LOCALLY HEAVY SNOW SHOWERS. SOME AREAS MAY SEE JUST WET 
  ROADS...WHILE HEAVY SNOW SHOWERS MAY PRODUCE SUDDEN SLICK 
  CONDITIONS AND POOR VISIBILITIES. IF TRAVELING ALLOW EXTRA 
  TIME TO REACH YOUR DESTINATION. 

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.

&&

$$
623 
WWUS45 KBOU 170253
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
753 PM MST MON FEB 16 2015


COZ035-036-170400-
/O.EXP.KBOU.WS.W.0003.000000T0000Z-150217T0300Z/
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-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
753 PM MST MON FEB 16 2015

...WINTER STORM WARNING WILL EXPIRE AT 8 PM MST THIS EVENING...

LIGHT SNOW SHOWERS WILL CONTINUE TO DECREASE IN COVERAGE THROUGH
THE REST OF THE EVENING WITH LITTLE ADDITIONAL ACCUMULATION...
THEREFORE THE WINTER STORM WARNING WILL BE ALLOWED TO EXPIRE.

$$

COZ031-033-034-170400-
/O.EXP.KBOU.WW.Y.0010.000000T0000Z-150217T0300Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-
INCLUDING THE CITIES OF...
EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS...
RABBIT EARS PASS...CAMERON PASS...
LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE...
ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...
BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE...
EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL...
INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS...
WILLIAMS FORK MOUNTAINS...WINTER PARK
753 PM MST MON FEB 16 2015

...WINTER WEATHER ADVISORY WILL EXPIRE AT 8 PM MST THIS EVENING...

LIGHT SNOW SHOWERS WILL CONTINUE TO DECREASE IN COVERAGE THE REST
OF THE EVENING WITH LITTLE ADDITIONAL ACCUMULATION. THEREFORE THE
WINTER WEATHER ADVISORY WILL BE ALLOWED TO EXPIRE.

$$

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Denver/Boulder, CO wrote its last area forecast discussion before this winter storm warning went out at Feb 15, 10:09 AM MST, 3 hours 29 minutes earlier.

Area forecast discussion, Feb 15, 10:09 AM MST, 3 hours 29 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1009 AM MST SUN FEB 15 2015

.UPDATE...
ISSUED AT 1009 AM MST SUN FEB 15 2015

COLD FRONT HAS PUSHED ACROSS THE NORTHEAST PLAINS AND STRATUS DECK
QUICKLY FILLING IN BEHIND IT. RADAR SHOWS ONE BAND OF
SNOW...MAINLY VIRGA SO FAR ON THE PLAINS...STRETCHING ACROSS THE
NORTHERN PORTIONS OF THE FORECAST AREA. MAIN AREA OF PRECIPITATION
IS SINKING SOUTHWARD ACROSS WYOMING AND IS ON TRACK TO REACH THE
I-70 CORRIDOR AROUND 2-3 PM. FIRST BAND MAY TRY TO FILL IN AS
UPSLOPE COMPONENT DEEPENS THROUGH THE NOON HOUR...BUT MOST OF THE
ACCUMULATING SNOW IN LOWER ELEVATIONS SHOULD HOLD OFF UNTIL DEEPER
MOISTURE AND BETTER INSTABILITY ARRIVE BY MID TO LATE AFTERNOON.
LATEST 12Z MODEL RUNS ARE MORE AGGRESSIVE WITH POTENTIAL
ACCUMULATIONS ALONG THE FRONT RANGE AND MANY FAVORABLE PARAMETERS
APPEAR IN PLACE FOR A LONGER DURATION INCLUDING THE UPSLOPE...Q-G
FORCING...INSTABILITY...AND POTENTIAL EMBEDDED CONVECTION. WILL
NUDGE SNOW AMOUNTS UP A BIT WITH SOME POTENTIAL FOR UPGRADING TO A
WARNING LATER THIS AFTERNOON. HIGHEST THREAT WOULD BE IN/RIGHT
NEXT TO FRONT RANGE FOOTHILLS.

&&

.SHORT TERM...(TODAY THROUGH TONIGHT )
ISSUED AT 425 AM MST SUN FEB 15 2015

AN UPPER LEVEL TROUGH CENTERED NEAR YELLOWSTONE NATIONAL PARK WILL
DIVE SOUTH-SOUTHEAST TODAY. AT THE SURFACE...A COLD FRONT WILL BE
PUSHING SOUTH ACROSS EASTERN COLORADO DURING THE EARLY MORNING.
UPSLOPE NORTH TO NORTHEAST WINDS WILL FORM BEHIND THE FRONT. AS THE
UPPER LEVEL TROUGH MOVES OVER COLORADO AND COMBINES WITH THE UPSLOPE
FLOW...SNOW WILL FORM. EXPECT THE SNOW TO ENTER NORTHEAST COLORADO
LATE THIS MORNING AND SPREAD SOUTH THROUGH THE AFTERNOON.

BECAUSE OF THE COLDER AIRMASS AND CLOUD COVER...EXPECT HIGHS TO BE
MUCH COLDER TODAY WITH READINGS IN THE 30S. ALSO...ANY PRECIPITATION
THAT FALLS SHOULD BE SNOW. JUST A SLIGHT CHANCE FOR RAIN WHEN
PRECIPITATION BEGINS.

THE MAIN AREA SNOW WILL SLIDE SOUTH THIS EVENING WITH THE MAIN
TROUGH. HOWEVER UPSLOPE FLOW WILL PERSIST THROUGH THE NIGHT...SO
WILL KEEP A GOOD CHANCE FOR SNOW IN THE FORECAST THROUGH OUT THE
NIGHT. MAY SEE AN INCREASE IN SNOW LATE TONIGHT AS THE NEXT SYSTEM
NEARS NORTHERN COLORADO.

WILL GO WITH A WINTER WEATHER ADVISORY FOR AREAS WEST OF I-25 TO THE
FRONT RANGE MOUNTAINS. WILL BEGIN IT LATE THIS MORNING AND RUN IT
THROUGH MOST OF MONDAY AFTERNOON. EXPECT A LULL OR BREAK IN THE SNOW
LATE TONIGHT AND EARLY MONDAY MORNING...THEN SNOW PICKS UP AGAIN
MONDAY WITH THE NEXT SYSTEM.

.LONG TERM...(MONDAY THROUGH SATURDAY)
ISSUED AT 425 AM MST SUN FEB 15 2015

FORECAST CONTINUES TO UNDERGO CHANGES AS THE 00Z AND 06Z MODEL RUNS
GAIN A BETTER HANDLE ON THE NEXT WEATHER MAKER APPROACHING FROM
IDAHO AND WRN WYOMING. MODELS SHOW AN AMPLIFYING SHORTWAVE TROUGH
AND COLD FRONT SWINGING SOUTHEASTWARD OUT OF WYOMING AND OVER
NORTHERN PORTIONS OF THE FCST AREA SOMETIME MONDAY MORNING.
MODELS DIFFER AS TO WHEN THIS WILL EXACTLY OCCUR. THE GFS AND
ECMWF SHOW A SFC COLD FRONT RACING SOUTH THROUGH THE DENVER AREA
BY AROUND 12Z WITH SNOWFALL DEVELOPING SHORTLY THEREAFTER. WHEREAS
THE NAM SHOWS A 750-550MB TROUGH AXIS AND SFC COLD FRONT PASSING
THROUGH THE FORT COLLINS AREA AT ABOUT THAT TIME...AND NOT LONG
AFTER THAT PASSING THROUGH THE DENVER METRO AREA. NAM ALSO
INDICATES A NW-TO-SE BAND OF MODERATE SNOWFALL IN THE VICINITY OF
THE JET STREAM KNIFING OUT OF WYOMING ALONG ALONG A FT COLLINS TO
GREELEY AXIS. COULD SEE SNOWFALL RATES OF 1-2 INCHES PER
HOUR IN THIS AREA DURING THE MORNING...BUT A QUICK DROP OFF WITH
THE JET...THE UPPER TROUGH AND SFC COLD FRONT MOVING SOUTH OF
THERE. GFS AND ECMWF ON THE OTHER HAND...SHOW SNOWFALL ALREADY
UNDERWAY IN THE DENVER AREA BY AROUND 12Z WITH DEEPENING POST-
FRONTAL ANTICYCLONIC UPSLOPE FLOW. BASED ON A BLEND OF THESE
MODELS...WILL GO WITH LIGHT TO MODERATE SNOWFALL SPREADING SOUTH
ALONG THE I-25 CORRIDOR THROUGH THE MORNING AND INTO THE AFTERNOON
WITH SNOWFALL GRADUALLY DECREASING FROM NORTH-TO-SOUTH THROUGH
THE DAY. SAME GOES FOR THE FRONT RANGE MOUNTAINS AND FOOTHILLS.
ITS POSSIBLE THE HIGHER TERRAIN NEAR THE WYOMING BORDER COULD SEE
1-3 INCH PER HR SNOWFALL RATES FOR A FEW HOURS IN THE MORNING.
THESE INTENSITIES ARE EXPECTED TO SHIFT TO THE SRN FRONT RANGE
FOOTHILLS BY AFTERNOON. AND AS THAT HAPPENS SHOULD SEE SNOWFALL
DECREASING ACRS ERN LARIMER AND WELD COUNTIES WITH DRIER AIR
DOWNSLOPING OFF THE CHEYENNE RIDGE. ALSO EXPECT SNOWFALL TO
DECREASE OVER EASTERN SECTIONS OF THE DENVER METRO AREA SUCH AS
DIA DURING THE AFTERNOON HRS...WITH NELY UPSLOPE FLOW BECOMING
THE MAIN FORCING MECHANISM FOR SNOW PRODUCTION ALONG THE FRONT
RANGE. BY THEN THE MAIN BAND OF JET LIFT SHOULD BE WELL SOUTH OF
THE AREA.

BY MONDAY EVENING...SNOWFALL ALONG THE FRONT RANGE SHOULD BE
WRAPPING UP FROM NORTH-TO-SOUTH WITH ADDITIONAL SNOW AMOUNTS BY 6
PM LST RANGING FROM 1-3 INCHES WITHIN THE I-25 CORRIDOR AND FROM
2-5 INCHES IN THE FOOTHILLS. HIGHER ELEVATIONS OF THE FRONT RANGE
COULD RECEIVE ANYWHERE FROM 3-7 INCHES OF ADDITIONAL SNOWFALL BY
LATE MONDAY EVENING WITH THE GREATER AMOUNTS ABOVE TIMBERLINE AND
HIGH PASSES. FARTHER OUT ON THE PLAINS SNOW AMOUNTS SHOULD DROP
OFF QUICKLY WITH HARDLY ANY SNOW ACROSS THE NORTHEAST CORNER OF
THE STATE. ON TUESDAY...AS COLD ADVECTION AND OROGRAPHIC LIFT
PRODUCED BY MODERATE NWLY FLOW CONTINUES TO PRODUCE LIGHT SNOWFALL
IN THE HIGH COUNTRY...ANOTHER JET BISECTING THE NERN CORNER OF
THE STATE COULD GENERATE SOME BANDED LIGHT SNOWFALL IN THIS AREA
WITH LOCAL SNOW AMOUNTS UP TO A HALF INCH POSSIBLE. OTHERWISE
SHOULD DRY CONDITIONS ALONG THE FRONT RANGE WITH THE BNDRY LAYER
FLOW BECOMING NWLY WHICH IS A DRIER WIND COMPONENT FOR THE AREA.

LOOKING AHEAD TO THE REMAINDER OF THE WEEK...THINGS DRY OUT AND
GRADUALLY WARM UP AS THE BUILDING UPPER RIDGE OUT WEST BEGINS TO
SHIFT EASTWARD. AS THE MTN TOP FLOW TURNS WESTERLY...COULD SEE
PERIODS OF STG AND GUSTY CHINOOK WINDS IN AND NEAR THE FRONT RANGE
THROUGH NEXT FRIDAY WHICH WILL HELP TO WARM THINGS UP. BY LATE
FRIDAY OR EARLY SATURDAY...MEDIUM RANGE MODELS SHOW YET ANOTHER
CLIPPER SYSTEM DROPPING IN FROM THE NORTHERN ROCKIES POSSIBLY
RETURNING COLD AND SNOW TO THE FCST AREA. WE'RE ENTERING INTO AN
ACTIVE WEATHER PATTERN WHICH IS NOT UNCOMMON FOR THIS TIME OF
YEAR. STAY TUNE.

&&

.AVIATION...(FOR THE TAFS THROUGH 18Z MONDAY MORNING)
ISSUED AT 1009 AM MST SUN FEB 15 2015

STRATUS DECK AND IFR/MVFR CEILINGS ARE QUICKLY FILLING IN BEHIND
THE FRONT. THESE WILL REMAIN IN PLACE THROUGH MONDAY EVENING.
THERE COULD BE SOME SNOW NEAR THE FRONT RANGE AIRPORTS AS EARLY AS
19Z...BUT MAIN SNOW SHOULD HOLD OFF TIL 20Z-22Z PER LATEST RADAR
TRENDS. VISIBILITIES MAY FALL TO 1/2-1 MILE IN HEAVIER SNOW BANDS.
LIGHT SNOW SHOULD PREVAIL THROUGH MOST OF TONIGHT AND AT THIS TIME
SEE LITTLE BREAK BEFORE NEXT SYSTEM BRINGS MORE SNOW FOR MONDAY.
MOST LIKELY TOTAL SNOW ACCUMULATIONS WILL RANGE FROM 3-6 INCHES AT
KDEN WITH 4-8 AT KBJC AND KAPA...BUT LOCALLY HIGHER AMOUNTS
POSSIBLE GIVEN INSTABILITY AND POTENTIAL FOR CONVECTION.

&&

.BOU WATCHES/WARNINGS/ADVISORIES...
WINTER WEATHER ADVISORY UNTIL 3 PM MST MONDAY FOR COZ038>041.

WINTER WEATHER ADVISORY UNTIL 6 PM MST MONDAY FOR COZ033>036.

&&

UPDATE...BARJENBRUCH
SHORT TERM...MEIER
LONG TERM...BAKER
AVIATION...BARJENBRUCH
Hazardous weather outlook, Feb 15, 11:02 AM MST, 2 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1102 AM MST SUN FEB 15 2015

COZ030>051-161815-
JACKSON COUNTY BELOW 9000 FEET-
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-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-
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-
NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
1102 AM MST SUN FEB 15 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL
COLORADO.

.DAY ONE...TODAY AND TONIGHT

SNOW WILL BECOME WIDESPREAD THIS AFTERNOON AND EVENING. THE SNOW
MAY BE HEAVY AT TIMES ESPECIALLY IN AND NEAR THE FRONT RANGE
MOUNTAINS AND FOOTHILLS. ROADS ARE EXPECTED TO BECOME SNOW COVERED
IN AREAS THAT SEE HEAVIER SNOWFALL LATE THIS AFTERNOON...AND IN
ALL AREAS TONIGHT AS TEMPERATURES DROP AND SNOW CONTINUES TO FALL.
IF TRAVELING THIS AFTERNOON OR TONIGHT...ALLOW EXTRA TIME TO
REACH YOUR DESTINATION.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

SNOW AND HAZARDOUS TRAVEL CONDITIONS WILL CONTINUE MONDAY AND
THEN GRADUALLY DECREASE MONDAY EVENING. AT THIS TIME...TOTAL
ACCUMULATIONS OF 4 TO 8 INCHES CAN BE EXPECTED ALONG THE FRONT
RANGE URBAN CORRIDOR...WITH 6 TO 14 INCHES IN THE FRONT RANGE
MOUNTAINS AND FOOTHILLS. LIGHTER AMOUNTS OF 1 TO 4 INCHES CAN BE
EXPECTED OVER THE EASTERN PLAINS.

SNOW WILL STILL BE LIKELY OVER THE MOUNTAINS INTO TUESDAY
MORNING...BEFORE GRADUALLY DECREASING BY SUNSET. ADDITIONAL
ACCUMULATIONS IN THE MOUNTAINS WILL NOT BE SIGNIFICANT. DRY
WEATHER IS EXPECTED TUESDAY NIGHT INTO FRIDAY...THEN THE NEXT
POTENTIAL STORM MOVES IN. TEMPERATURES WILL BE BELOW SEASONAL
NORMALS TUESDAY...THEN WARM UP A BIT WEDNESDAY THROUGH FRIDAY.
COLD AIR RETURNS NEXT SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT. HOWEVER...ANY
SNOWFALL REPORTS WILL BE GREATLY APPRECIATED.

BARJENBRUCH/RJK

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 15, 3:56 AM MSTWinter Weather AdvisoryBOUAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 10 more40 hr

Nearby

Winter Storm Warnings in Colorado, 2015Every winter storm warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.