Alert archive / Colorado / Winter Storm Warnings in 2014

Winter Storm Warning 11, NWS Denver/Boulder, CO

November 21, 20149 counties in Colorado

NWS Denver/Boulder, CO issued this winter storm warning at Nov 21, 2014, 7:50 PM MST for 9 counties in Colorado. It took effect at Nov 22, 2014, 5:00 PM MST. It was in force for 48 hr. 25 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
Nov 21, 2014, 7:50 PM MST (02:50 UTC)
In effect from
Nov 22, 2014, 5:00 PM MST
Expired
Nov 24, 2014, 5:00 PM MST
In force
48 hr
Issued by
NWS Denver/Boulder, CO

Counties Boulder County, CO, Clear Creek County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO, Summit County, CO

The radar

The Denver radar (KFTG), 102 km from the middle of the area, began a volume at 02:55 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
Nov 23, 6:20 AM MSTSNOW 52 Nw Fraser, CO
Nov 23, 8:00 AM MSTSNOW 0.49 Wsw Rustic, CO
Nov 23, 8:00 AM MSTSNOW 0.5Georgetown, CO
Nov 23, 8:00 AM MSTSNOW 0.6Walden, CO
Nov 23, 8:00 AM MSTSNOW 2Williams Fork Reservoir, CO
Nov 23, 8:00 AM MSTSNOW 4Winter Park, CO
Nov 23, 8:01 AM MSTSNOW 4.91 Se Breckenridge, CO
Nov 23, 8:03 AM MSTSNOW 0.5Fairplay, CO
Nov 23, 10:00 AM MSTSNOW 23 Wsw Meeker Park, CO
Nov 23, 10:00 AM MSTSNOW 25 Wsw Guanella Pass, CO
Nov 23, 10:00 AM MSTSNOW 33 Wnw Alma, CO
Nov 23, 10:00 AM MSTSNOW 37 E Blue River, CO
Nov 23, 10:00 AM MSTSNOW 37 Nw Red Feather Lakes, CO
Nov 23, 10:00 AM MSTSNOW 45 Wsw Grand Lake, CO
Nov 23, 10:00 AM MSTSNOW 46 Wsw Trail Ridge, CO
Nov 23, 10:00 AM MSTSNOW 51 E Trail Ridge, CO
Nov 23, 10:00 AM MSTSNOW 55 N Alma, COHOOSIER PASS
Nov 23, 10:00 AM MSTSNOW 56 Nw Silverthorne, CO
Nov 23, 10:00 AM MSTHEAVY SNOW 6Nw Berthoud Pass, CO
Nov 23, 10:00 AM MSTHEAVY SNOW 71 Wnw Loveland Pass, CO
Nov 23, 10:00 AM MSTHEAVY SNOW 74 S Longs Peak, CO
Nov 23, 10:00 AM MSTHEAVY SNOW 74 Wsw Trail Ridge, COLAKE IRENE
Nov 23, 10:00 AM MSTHEAVY SNOW 76 Wnw Arapahoe Peak, CO
Nov 23, 10:00 AM MSTHEAVY SNOW 79 Sse Spicer, CO
Nov 23, 10:00 AM MSTHEAVY SNOW 131 Ne Rabbit Ears Pass, 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 00:00Z, 2.8 hours before the alert went out and 213 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 00:00Z on 2014-11-22Temperature 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 00:00Z on 2014-11-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.193958Sfc1 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
2595 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
40 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.

560 
WWUS45 KBOU 220250
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
750 PM MST FRI NOV 21 2014

...PROLONGED PERIOD OF SNOW AND GUSTY WINDS HEADED FOR THE
MOUNTAINS THIS WEEKEND INTO EARLY NEXT WEEK...

.SNOW WILL QUICKLY DEVELOP IN THE NORTHERN MOUNTAINS OF COLORADO
LATE SATURDAY AFTERNOON AND EARLY EVENING AS A STRONG AND MOIST
PACIFIC JET STREAM REACHES THE STATE. PERIODS OF SNOW...POSSIBLY
HEAVY...WILL THEN CONTINUE THROUGH SUNDAY AND MONDAY. IN
ADDITION...STRONG GUSTY WINDS CAN ALSO BE EXPECTED OVER THE
MOUNTAINS...PRODUCING CONSIDERABLE BLOWING AND DRIFTING SNOW.
HAZARDOUS WINTER TRAVEL CONDITIONS WILL DEVELOP WITH THE ONSET OF
SNOW.

COZ031-033-034-221200-
/O.UPG.KBOU.WS.A.0011.141123T0000Z-141125T0000Z/
/O.NEW.KBOU.WS.W.0011.141123T0000Z-141125T0000Z/
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
750 PM MST FRI NOV 21 2014

...WINTER STORM WARNING IN EFFECT FROM 5 PM SATURDAY TO 5 PM MST
MONDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
5 PM SATURDAY TO 5 PM MST MONDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.

* TIMING...SNOW WILL DEVELOP LATE SATURDAY AFTERNOON AND QUICKLY 
  BECOME WIDESPREAD BY EARLY EVENING. SNOW...HEAVY AT TIMES... 
  WILL LIKELY CONTINUE THROUGH SUNDAY AND MONDAY. 

* SNOW ACCUMULATIONS...POSSIBLE STORM TOTALS OF 8 TO 18 INCHES 
  WITH LOCALLY HIGHER AMOUNTS UP TO TWO FEET. 

* WIND/VISIBILITY...WEST TO NORTHWEST WINDS 20 TO 35 MPH WITH 
  GUSTS IN EXCESS OF 50 MPH ABOVE TIMBERLINE. VISIBILITIES MAY 
  DROP TO LESS THAN ONE QUARTER MILE DURING PERIODS OF HEAVIER 
  FALLING AND/OR BLOWING SNOW. 

* IMPACTS...HAZARDOUS AND SLOW WINTER TRAVEL CONDITIONS WILL 
  LIKELY DEVELOP ACROSS THE COLORADO HIGH COUNTRY LATE SATURDAY 
  AFTERNOON AND EVENING...AND THEN REMAIN IN PLACE THROUGH 
  MONDAY. 

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.

&&

$$
12 follow-up statements
846 
WWUS45 KBOU 221105
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
405 AM MST SAT NOV 22 2014

...PROLONGED PERIOD OF SNOW...GUSTY WINDS...AND HAZARDOUS WINTER
TRAVEL CONDITIONS FOR THE MOUNTAINS...

.SNOW WILL QUICKLY DEVELOP IN THE NORTHERN MOUNTAINS OF COLORADO
LATE THIS AFTERNOON AND EARLY EVENING AS A STRONG AND MOIST
PACIFIC JET STREAM REACHES THE STATE. PERIODS OF SNOW WILL THEN
CONTINUE THROUGH SUNDAY AND MONDAY. THE HEAVIEST SNOWFALL IS
EXPECTED TO OCCUR THIS EVENING...AND THEN AGAIN LATE SUNDAY NIGHT
INTO MONDAY AS UPPER LEVEL DISTURBANCE MOVE ACROSS THE STATE.  IN
ADDITION...STRONG GUSTY WINDS CAN ALSO BE EXPECTED OVER THE
MOUNTAINS THROUGH THE ENTIRE PERIOD...PRODUCING CONSIDERABLE
BLOWING AND DRIFTING SNOW. HAZARDOUS WINTER TRAVEL CONDITIONS WILL
DEVELOP WITH THE ONSET OF SNOW.

COZ031-033-034-222200-
/O.CON.KBOU.WS.W.0011.141123T0000Z-141125T0000Z/
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
405 AM MST SAT NOV 22 2014

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 PM MST MONDAY...

* TIMING...SNOW WILL FIRST DEVELOP IN THE MOUNTAINS OF WESTERN
  JACKSON AND GRAND COUNTIES BY MID TO LATE AFTERNOON AND THEN
  SPREAD ACROSS THE FRONT RANGE MOUNTAINS AND SUMMIT COUNTY LATE
  THIS AFTERNOON INTO EARLY EVENING. SNOW WILL CONTINUE THROUGH
  SUNDAY AND MONDAY...BEFORE FINALLY DECREASING BY MONDAY NIGHT.

* SNOW ACCUMULATIONS...STORM TOTALS OF 10 TO 20 INCHES WITH
  LOCALLY HIGHER AMOUNTS UP TO TWO FEET.

* WIND/VISIBILITY...WEST TO NORTHWEST WINDS 20 TO 35 MPH WITH
  GUSTS IN EXCESS OF 50 MPH ABOVE TIMBERLINE. VISIBILITIES WILL
  DROP TO LESS THAN ONE QUARTER MILE DURING PERIODS OF HEAVIER
  FALLING AND/OR BLOWING SNOW. BRIEF WHITEOUT CONDITIONS WILL BE
  POSSIBLE IN OPEN AREAS.

* IMPACTS...HAZARDOUS AND SLOW WINTER TRAVEL CONDITIONS WILL
  DEVELOP ACROSS THE COLORADO HIGH COUNTRY LATE THIS AFTERNOON AND
  EVENING...AND THEN REMAIN IN PLACE THROUGH MONDAY. THIS INCLUDES
  I-70 FROM NEAR GEORGETOWN THROUGH SUMMIT COUNTY AND VAIL
  PASS...AS WELL AS HIGHWAY 40 OVER BERTHOUD PASS AND RABBIT EARS
  PASS.

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.

&&

$$

BARJENBRUCH
816 
WWUS45 KBOU 221725
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1025 AM MST SAT NOV 22 2014

...PROLONGED PERIOD OF SNOW...GUSTY WINDS...AND HAZARDOUS WINTER
TRAVEL CONDITIONS FOR THE MOUNTAINS AND HIGH VALLEYS...

.SNOW WILL QUICKLY DEVELOP IN THE NORTHERN MOUNTAINS OF COLORADO
LATE THIS AFTERNOON AND EARLY EVENING AS A STRONG AND MOIST
PACIFIC JET STREAM REACHES THE STATE. PERIODS OF SNOW WILL THEN
CONTINUE THROUGH SUNDAY AND MONDAY. THE HEAVIEST SNOWFALL IS
EXPECTED TO OCCUR THIS EVENING...AND THEN AGAIN LATE SUNDAY NIGHT
INTO MONDAY AS A COUPE OF UPPER LEVEL DISTURBANCES MOVE ACROSS
THE STATE. IN ADDITION...STRONG GUSTY WINDS CAN ALSO BE EXPECTED
OVER THE MOUNTAINS THROUGH THE ENTIRE PERIOD...PRODUCING
CONSIDERABLE BLOWING AND DRIFTING SNOW. HAZARDOUS WINTER TRAVEL
CONDITIONS WILL DEVELOP WITH THE ONSET OF SNOW.

COZ031-033-034-230130-
/O.CON.KBOU.WS.W.0011.141123T0000Z-141125T0000Z/
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
1025 AM MST SAT NOV 22 2014

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 PM MST MONDAY...

* TIMING...SNOW WILL FIRST DEVELOP IN THE MOUNTAINS OF WESTERN 
  JACKSON AND GRAND COUNTIES BY MID TO LATE AFTERNOON AND THEN 
  SPREAD ACROSS THE FRONT RANGE MOUNTAINS AND SUMMIT COUNTY LATE 
  THIS AFTERNOON INTO EARLY EVENING. SNOW WILL CONTINUE THROUGH 
  SUNDAY AND MONDAY...BEFORE FINALLY DECREASING BY MONDAY NIGHT. 

* SNOW ACCUMULATIONS...STORM TOTALS OF 10 TO 20 INCHES WITH 
  LOCALLY HIGHER AMOUNTS UP TO TWO FEET. 

* WIND/VISIBILITY...WEST TO NORTHWEST WINDS 20 TO 35 MPH WITH 
  GUSTS IN EXCESS OF 50 MPH ABOVE TIMBERLINE. VISIBILITIES WILL 
  DROP TO LESS THAN ONE QUARTER MILE DURING PERIODS OF HEAVIER 
  FALLING AND/OR BLOWING SNOW. BRIEF WHITEOUT CONDITIONS WILL BE 
  POSSIBLE IN OPEN AREAS. 

* IMPACTS...HAZARDOUS AND SLOW WINTER TRAVEL CONDITIONS WILL 
  DEVELOP ACROSS THE COLORADO HIGH COUNTRY LATE THIS AFTERNOON 
  AND EVENING...AND THEN REMAIN IN PLACE THROUGH MONDAY. THIS 
  INCLUDES I-70 FROM NEAR GEORGETOWN THROUGH SUMMIT COUNTY AND 
  VAIL PASS...AS WELL AS HIGHWAY 40 OVER BERTHOUD PASS AND 
  RABBIT EARS PASS. 

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.

&&

$$

COZ030-032-230130-
/O.NEW.KBOU.WW.Y.0038.141123T0000Z-141125T0000Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER...
WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE...
HOT SULPHUR SPRINGS...KREMMLING
1025 AM MST SAT NOV 22 2014

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
5 PM MST MONDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY.

* TIMING...SNOW WILL BEGIN BY MID AFTERNOON BECOMING HEAVY THIS
  EVENING. LIGHTER SNOW WILL BE POSSIBLE ON SUNDAY...WITH AN
  INCREASE IN SNOW AGAIN SUNDAY NIGHT AND EARLY MONDAY. 

* SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS FROM TONIGHT
  THROUGH MONDAY WILL RANGE FROM 6 TO 12 INCHES.

* WIND/VISIBILITY...WEST TO WEST NORTHWEST WINDS WILL BLOW FROM 15
  TO 25 MPH WITH GUSTS TO 35 MPH ESPECIALLY ON SUNDAY.
  VISIBILITIES WILL BE REDUCED TO A QUARTER MILE AT TIMES DUE TO
  SNOW AND BLOWING SNOW.

* IMPACTS...ROADS WILL BECOME SNOWPACKED AND MAY BE ICY...SO
  EXPECT WINTER DRIVING CONDITIONS.

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.

&&

$$
353 
WWUS45 KBOU 222303
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
403 PM MST SAT NOV 22 2014

...PROLONGED PERIOD OF SNOW...GUSTY WINDS...AND HAZARDOUS WINTER
TRAVEL CONDITIONS FOR THE MOUNTAINS AND HIGH VALLEYS...

.SNOW HAS DEVELOPED OVER THE HIGHER NORTHERN MOUNTAINS LATE THIS
AFTERNOON AND WILL BECOME MORE WIDESPREAD BY THIS EVENING. PERIODS
OF SNOW WILL THEN CONTINUE THROUGH SUNDAY AND MONDAY. THE HEAVIEST
SNOWFALL IS EXPECTED TO OCCUR THIS EVENING...AND THEN AGAIN LATE
SUNDAY NIGHT INTO MONDAY AS A COUPE OF UPPER LEVEL DISTURBANCES
MOVE ACROSS THE STATE. IN ADDITION...STRONG GUSTY WINDS CAN ALSO
BE EXPECTED OVER THE MOUNTAINS THROUGH THE ENTIRE
PERIOD...PRODUCING CONSIDERABLE BLOWING AND DRIFTING SNOW.
HAZARDOUS WINTER TRAVEL CONDITIONS WILL DEVELOP WITH THE ONSET OF
SNOW.

COZ031-033-034-230715-
/O.CON.KBOU.WS.W.0011.141123T0000Z-141125T0000Z/
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 SAT NOV 22 2014

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

* TIMING...SNOW WILL CONTINUE TO DEVELOP AND BECOME WIDESPREAD
  OVER THE NORTH CENTRAL MOUNTAINS BY THIS EVENING. SNOW WILL
  CONTINUE THROUGH SUNDAY AND MONDAY...BEFORE FINALLY DECREASING
  BY MONDAY NIGHT.

* SNOW ACCUMULATIONS...STORM TOTALS OF 10 TO 20 INCHES WITH 
  LOCALLY HIGHER AMOUNTS UP TO TWO FEET. 

* WIND/VISIBILITY...WEST TO NORTHWEST WINDS 20 TO 35 MPH WITH 
  GUSTS IN EXCESS OF 50 MPH ABOVE TIMBERLINE. VISIBILITIES WILL 
  DROP TO LESS THAN ONE QUARTER MILE DURING PERIODS OF HEAVIER 
  FALLING AND/OR BLOWING SNOW. BRIEF WHITEOUT CONDITIONS WILL BE 
  POSSIBLE IN OPEN AREAS. 

* IMPACTS...HAZARDOUS AND SLOW WINTER TRAVEL CONDITIONS WILL 
  DEVELOP ACROSS THE COLORADO HIGH COUNTRY LATE THIS AFTERNOON 
  AND EVENING...AND THEN REMAIN IN PLACE THROUGH MONDAY. THIS 
  INCLUDES I-70 FROM NEAR GEORGETOWN THROUGH SUMMIT COUNTY AND 
  VAIL PASS...AS WELL AS HIGHWAY 40 OVER BERTHOUD PASS AND 
  RABBIT EARS PASS. 

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.

&&

$$

COZ030-032-230715-
/O.CON.KBOU.WW.Y.0038.141123T0000Z-141125T0000Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER...
WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE...
HOT SULPHUR SPRINGS...KREMMLING
403 PM MST SAT NOV 22 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
MONDAY...

* TIMING...SNOW WILL CONTINUE TO DEVELOP AND BECOME HEAVY AT TIMES
  THIS EVENING.  LIGHTER SNOW WILL BE POSSIBLE ON SUNDAY...WITH
  AN INCREASE IN SNOW AGAIN SUNDAY NIGHT AND EARLY MONDAY.

* SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS FROM TONIGHT 
  THROUGH MONDAY WILL RANGE FROM 6 TO 12 INCHES. 

* WIND/VISIBILITY...WEST TO WEST NORTHWEST WINDS WILL BLOW FROM 
  15 TO 25 MPH WITH GUSTS TO 35 MPH ESPECIALLY ON SUNDAY. 
  VISIBILITIES WILL BE REDUCED TO A QUARTER MILE AT TIMES DUE TO 
  SNOW AND BLOWING SNOW. 

* IMPACTS...ROADS WILL BECOME SNOWPACKED AND MAY BE ICY...SO 
  EXPECT WINTER DRIVING CONDITIONS. 

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.

&&

$$
363 
WWUS45 KBOU 230450
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
950 PM MST SAT NOV 22 2014

...PROLONGED PERIOD OF SNOW...GUSTY WINDS...AND HAZARDOUS WINTER
TRAVEL CONDITIONS FOR THE MOUNTAINS AND HIGH VALLEYS...

.SNOW HAS BEEN INTERMITTENT THIS EVENING AND THIS TREND WILL
CONTINUE OVER NIGHT. SNOW IS EXPECTED TO BECOME HEAVIER AGAIN
TOWARDS MIDNIGHT THEN DECREASING AGAIN EARLY SUNDAY MORNING. 
ANOTHER BOUT OF HEAVIER SNOW WILL FALL AGAIN LATE SUNDAY NIGHT
INTO MONDAY AS A COUPE OF UPPER LEVEL DISTURBANCES MOVE ACROSS THE
STATE. 

IN ADDITION...STRONG GUSTY WINDS CAN ALSO BE EXPECTED OVER
THE MOUNTAINS THROUGH THE ENTIRE PERIOD...PRODUCING CONSIDERABLE
BLOWING AND DRIFTING SNOW. HAZARDOUS WINTER TRAVEL CONDITIONS WILL
DEVELOP WITH THE ONSET OF SNOW.

COZ031-033-034-231300-
/O.CON.KBOU.WS.W.0011.000000T0000Z-141125T0000Z/
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
950 PM MST SAT NOV 22 2014

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

* TIMING...SNOW WILL CONTINUE...HEAVY AT TIMES TONIGHT...BEFORE
  DECREASING SUNDAY MORNING. THE SNOW WILL INCREASE AGAIN SUNDAY
  AFTERNOON AND CONTINUE THROUGH SUNDAY NIGHT AND MONDAY...BEFORE
  FINALLY DECREASING BY MONDAY NIGHT.

* SNOW ACCUMULATIONS...STORM TOTALS OF 10 TO 20 INCHES WITH 
  LOCALLY HIGHER AMOUNTS UP TO TWO FEET. 

* WIND/VISIBILITY...WEST TO NORTHWEST WINDS 20 TO 35 MPH WITH 
  GUSTS IN EXCESS OF 50 MPH ABOVE TIMBERLINE. VISIBILITIES WILL 
  DROP TO LESS THAN ONE QUARTER MILE DURING PERIODS OF HEAVIER 
  FALLING AND/OR BLOWING SNOW. BRIEF WHITEOUT CONDITIONS WILL BE 
  POSSIBLE IN OPEN AREAS. 

* IMPACTS...HAZARDOUS AND SLOW WINTER TRAVEL CONDITIONS WILL 
  DEVELOP ACROSS THE COLORADO HIGH COUNTRY LATE THIS AFTERNOON 
  AND EVENING...AND THEN REMAIN IN PLACE THROUGH MONDAY. THIS 
  INCLUDES I-70 FROM NEAR GEORGETOWN THROUGH SUMMIT COUNTY AND 
  VAIL PASS...AS WELL AS HIGHWAY 40 OVER BERTHOUD PASS AND 
  RABBIT EARS PASS. 

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.

&&

$$

COZ030-032-231300-
/O.CON.KBOU.WW.Y.0038.000000T0000Z-141125T0000Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER...
WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE...
HOT SULPHUR SPRINGS...KREMMLING
950 PM MST SAT NOV 22 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
MONDAY...

* TIMING...SNOW WILL CONTINUE AT TIMES THROUGH MONDAY MORNING.
  SNOW WILL BE HEAVIEST TONIGHT AND AGAIN LATE SUNDAY AFTERNOON
  AND NIGHT. 

* SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS FROM TONIGHT 
  THROUGH MONDAY WILL RANGE FROM 6 TO 12 INCHES. 

* WIND/VISIBILITY...WEST TO WEST NORTHWEST WINDS WILL BLOW FROM 
  15 TO 25 MPH WITH GUSTS TO 35 MPH ESPECIALLY ON SUNDAY. 
  VISIBILITIES WILL BE REDUCED TO A QUARTER MILE AT TIMES DUE TO 
  SNOW AND BLOWING SNOW. 

* IMPACTS...ROADS WILL BECOME SNOWPACKED AND MAY BE ICY...SO 
  EXPECT WINTER DRIVING CONDITIONS. 

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.

&&

$$
901 
WWUS45 KBOU 231127
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
427 AM MST SUN NOV 23 2014

...PROLONGED PERIOD OF SNOW...GUSTY WINDS...AND HAZARDOUS WINTER
TRAVEL CONDITIONS FOR THE MOUNTAINS AND HIGH VALLEYS...

.PERIODS OF LIGHT TO MODERATE SNOW WILL CONTINUE TODAY THROUGH
THIS EVENING AND THEN BECOME HEAVIER AGAIN LATE TONIGHT INTO MONDAY
AS WEAK UPPER LEVEL DISTURBANCES MOVE ACROSS THE STATE.

IN ADDITION...STRONG GUSTY WINDS CAN ALSO BE EXPECTED OVER THE
MOUNTAINS THROUGH THE ENTIRE PERIOD...PRODUCING CONSIDERABLE
BLOWING AND DRIFTING SNOW ESPECIALLY OVER THE MOUNTAINS PASSES.
HAZARDOUS WINTER TRAVEL CONDITIONS WILL OCCUR TODAY THROUGH MONDAY.

COZ031-033-034-231930-
/O.CON.KBOU.WS.W.0011.000000T0000Z-141125T0000Z/
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
427 AM MST SUN NOV 23 2014

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

* TIMING...SNOW WILL CONTINUE...BECOMING HEAVY AT TIMES LATE
  TONIGHT AND MONDAY...BEFORE FINALLY DECREASING BY MONDAY NIGHT.

* SNOW ACCUMULATIONS...STORM TOTALS OF 10 TO 20 INCHES WITH 
  LOCALLY HIGHER AMOUNTS UP TO TWO FEET. 

* WIND/VISIBILITY...WEST TO NORTHWEST WINDS 20 TO 35 MPH WITH 
  GUSTS IN EXCESS OF 50 MPH ABOVE TIMBERLINE. VISIBILITIES WILL 
  DROP TO LESS THAN ONE QUARTER MILE DURING PERIODS OF HEAVIER 
  FALLING AND/OR BLOWING SNOW. BRIEF WHITEOUT CONDITIONS WILL BE 
  POSSIBLE IN OPEN AREAS. 

* IMPACTS...HAZARDOUS AND SLOW WINTER TRAVEL CONDITIONS WILL
  CONTINUE ACROSS THE COLORADO HIGH COUNTRY THROUGH MONDAY. THIS
  INCLUDES I-70 FROM NEAR GEORGETOWN THROUGH SUMMIT COUNTY AND
  VAIL PASS...AS WELL AS HIGHWAY 40 OVER BERTHOUD PASS AND RABBIT
  EARS PASS.

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.

&&

$$

COZ030-032-231930-
/O.CON.KBOU.WW.Y.0038.000000T0000Z-141125T0000Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER...
WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE...
HOT SULPHUR SPRINGS...KREMMLING
427 AM MST SUN NOV 23 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
MONDAY...

* TIMING...SNOW WILL CONTINUE AT TIMES THROUGH TONIGHT AND THEN
  INCREASE AGAIN ON MONDAY.

* SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS FROM TODAY THROUGH
  MONDAY WILL RANGE FROM 4 TO 10 INCHES.

* WIND/VISIBILITY...WEST TO WEST NORTHWEST WINDS WILL BLOW FROM 15
  TO 25 MPH WITH GUSTS TO 35 MPH AT TIMES THROUGH MONDAY.
  VISIBILITIES WILL BE REDUCED TO A QUARTER MILE AT TIMES DUE TO
  SNOW AND BLOWING SNOW.

* IMPACTS...ROADS WILL BE SNOWPACKED AND ICY...SO EXPECT WINTER
  DRIVING CONDITIONS.

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.

&&

$$
152 
WWUS45 KBOU 231622
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
922 AM MST SUN NOV 23 2014

...PROLONGED PERIOD OF SNOW...GUSTY WINDS...AND HAZARDOUS WINTER
TRAVEL CONDITIONS FOR THE MOUNTAINS AND HIGH VALLEYS...

.PERIODS OF LIGHT CONTINUE TODAY THROUGH THEN BECOME HEAVIER
AGAIN LATER THIS AFTERNOON...TONIGHT AND MONDAY AS WEAK UPPER
LEVEL DISTURBANCES MOVE ACROSS THE STATE.

IN ADDITION...STRONG GUSTY WINDS CAN ALSO BE EXPECTED OVER THE
MOUNTAINS THROUGH THE ENTIRE PERIOD...PRODUCING CONSIDERABLE
BLOWING AND DRIFTING SNOW ESPECIALLY OVER THE MOUNTAINS PASSES.
HAZARDOUS WINTER TRAVEL CONDITIONS WILL OCCUR TODAY THROUGH
MONDAY.

COZ030-032-231730-
/O.CAN.KBOU.WW.Y.0038.000000T0000Z-141125T0000Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER...
WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE...
HOT SULPHUR SPRINGS...KREMMLING
922 AM MST SUN NOV 23 2014

...WINTER WEATHER ADVISORY IS CANCELLED...

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

THE CHANCE OF LIGHT SNOW WILL CONTINUE OVER NORTH AND MIDDLE PARK
THIS AFTERNOON INTO THIS EVENING...BUT ADDITIONS ACCUMULATION WILL
BE MINIMAL. AS A RESULT...THE SNOW ADVISORY IS CANCELLED.

$$

COZ031-033-034-240030-
/O.CON.KBOU.WS.W.0011.000000T0000Z-141125T0000Z/
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
922 AM MST SUN NOV 23 2014

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

* TIMING...LIGHT SNOW WILL FALL BUT WILL INCREASE LATER THIS
  AFTERNOON. IT MAY BECOMING HEAVY AT TIMES LATE TONIGHT AND
  MONDAY...BEFORE FINALLY DECREASING BY MONDAY NIGHT.

* SNOW ACCUMULATIONS...STORM TOTALS OF 10 TO 20 INCHES WITH 
  LOCALLY HIGHER AMOUNTS UP TO TWO FEET. 

* WIND/VISIBILITY...WEST TO NORTHWEST WINDS 20 TO 35 MPH WITH 
  GUSTS IN EXCESS OF 50 MPH ABOVE TIMBERLINE. VISIBILITIES WILL 
  DROP TO LESS THAN ONE QUARTER MILE DURING PERIODS OF HEAVIER 
  FALLING AND/OR BLOWING SNOW. BRIEF WHITEOUT CONDITIONS WILL BE 
  POSSIBLE IN OPEN AREAS. 

* IMPACTS...HAZARDOUS AND SLOW WINTER TRAVEL CONDITIONS WILL 
  CONTINUE ACROSS THE COLORADO HIGH COUNTRY THROUGH MONDAY. THIS 
  INCLUDES I-70 FROM NEAR GEORGETOWN THROUGH SUMMIT COUNTY AND 
  VAIL PASS...AS WELL AS HIGHWAY 40 OVER BERTHOUD PASS AND 
  RABBIT EARS PASS. 

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.

&&

$$
139 
WWUS45 KBOU 232249
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
349 PM MST SUN NOV 23 2014

...SNOW TO CONTINUE IN THE COLORADO NORTH CENTRAL MOUNTAINS...

.SNOW WILL CONTINUE TONIGHT AND MONDAY OVER HIGH MOUNTAINS WITH
MOIST NORTHWESTERLY FLOW ALOFT CONTINUING TO MOVE INTO COLORADO.

IN ADDITION...STRONG GUSTY WINDS CAN ALSO BE EXPECTED OVER THE
MOUNTAINS THROUGH THE ENTIRE PERIOD...PRODUCING CONSIDERABLE
BLOWING AND DRIFTING SNOW ESPECIALLY OVER THE MOUNTAINS PASSES.
HAZARDOUS WINTER TRAVEL CONDITIONS WILL OCCUR TODAY THROUGH
MONDAY.

COZ031-033-034-240700-
/O.CON.KBOU.WS.W.0011.000000T0000Z-141125T0000Z/
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
349 PM MST SUN NOV 23 2014

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

* TIMING...LIGHT TO MODERATE SNOW WILL FALL TONIGHT AND MONDAY. 

* SNOW ACCUMULATIONS...ADDITIONAL AMOUNTS WILL BE 4 TO 12 INCHES
  BY MONDAY AT SUNSET. 

* WIND/VISIBILITY...WEST TO NORTHWEST WINDS 20 TO 35 MPH WITH 
  GUSTS IN EXCESS OF 50 MPH ABOVE TIMBERLINE. VISIBILITIES WILL 
  DROP TO LESS THAN ONE QUARTER MILE DURING PERIODS OF HEAVIER 
  FALLING AND/OR BLOWING SNOW. BRIEF WHITEOUT CONDITIONS WILL BE 
  POSSIBLE IN OPEN AREAS. 

* IMPACTS...HAZARDOUS AND SLOW WINTER TRAVEL CONDITIONS WILL 
  CONTINUE ACROSS THE COLORADO HIGH COUNTRY THROUGH MONDAY. THIS 
  INCLUDES I-70 FROM NEAR GEORGETOWN THROUGH SUMMIT COUNTY AND 
  VAIL PASS...AS WELL AS HIGHWAY 40 OVER BERTHOUD PASS AND 
  RABBIT EARS PASS. 

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.

&&

$$
782 
WWUS45 KBOU 240535 AAA
WSWBOU

URGENT - WINTER WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1035 PM MST SUN NOV 23 2014

...SNOW AND STRONG WINDS AND BLOWING SNOW LIKELY THROUGH MONDAY
AFTERNOON IN THE MOUNTAINS OF NORTH CENTRAL COLORADO...

.SNOWFALL WILL INCREASE AND BECOME HEAVY AT TIMES IN THE
MOUNTAINS OF NORTH CENTRAL COLORADO AFTER MIDNIGHT TONIGHT. A
COMPACT WINTER STORM SYSTEM OVER EASTERN IDAHO LATE SUNDAY EVENING
WILL TRACK SOUTHEAST ACROSS NORTHWEST AND NORTH CENTRAL COLORADO
LATE TONIGHT AND MONDAY MORNING. POWERFUL JET STREAM WINDS
ACCOMPANYING THIS SYSTEM WILL ALSO PRODUCE STRONG AND GUSTY WEST-
NORTHWEST WINDS RESULTING IN CONSIDERABLE BLOWING AND DRIFTING
SNOW PARTICULARLY ON THE HIGH PASSES AND IN OPEN TERRAIN.

THE SNOW AND BLOWING SNOW WILL LIKELY PRODUCE HAZARDOUS WINTER
TRAVEL CONDITIONS LATER TONIGHT AND MONDAY MORNING. SOME
IMPROVEMENT IN THESE HARSH WINTER CONDITIONS IS EXPECTED MONDAY
AFTERNOON.

COZ031-033-034-241345-
/O.CON.KBOU.WS.W.0011.000000T0000Z-141125T0000Z/
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
1035 PM MST SUN NOV 23 2014

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

* TIMING...HEAVY SNOWFALL AT TIMES LATE TONIGHT AND MONDAY
  MORNING...THEN LIGHT TO MODERATE SNOWFALL MONDAY AFTERNOON.

* SNOW ACCUMULATIONS...ADDITIONAL AMOUNTS WILL RANGE FROM 4 TO 10
  INCHES BY LATE MONDAY AFTERNOON.

* WIND/VISIBILITY...WEST TO NORTHWEST WINDS 20 TO 35 MPH WITH
  GUSTS IN EXCESS OF 50 MPH ABOVE TIMBERLINE. VISIBILITIES MAY FALL
  TO LESS THAN A FEW HUNDRED FEET DURING PERIODS OF HEAVIEST
  SNOWFALL AND BLOWING SNOW. BRIEF WHITEOUT CONDITIONS WILL BE
  POSSIBLE IN OPEN AREAS.

* IMPACTS...EXPECT SLOW TRAVEL AND POSSIBLE ROAD CLOSURES IN THE
  HIGH COUNTRY DUE TO HAZARDOUS WINTER WEATHER CONDITIONS LATE
  TONIGHT AND MONDAY MORNING. ROADWAYS MOST LIKELY IMPACTED
  INCLUDE I-70 FROM NEAR GEORGETOWN THROUGH SUMMIT COUNTY OVER
  LOVELAND PASS AND AROUND THE EISENHOWER TUNNEL...HOOSIER PASS
  SOUTH OF BRECKENRIDGE...U.S. HIGHWAY 40 OVER BERTHOUD AND RABBIT
  EARS PASSES.

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.

&&

$$
BAKER
130 
WWUS45 KBOU 241113
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
413 AM MST MON NOV 24 2014

...SNOW AND STRONG WINDS AND BLOWING SNOW WILL CONTINUE THROUGH
THIS AFTERNOON IN THE MOUNTAINS OF NORTH CENTRAL COLORADO...

.SNOWFALL WILL BE HEAVY AT TIMES IN THE MOUNTAINS OF NORTH
CENTRAL COLORADO THIS MORNING AND THEN DECREASE IN INTENSITY BY
AFTERNOON. POWERFUL JET STREAM WINDS WILL ALSO PRODUCE STRONG AND
GUSTY WEST TO NORTHWEST WINDS RESULTING IN CONSIDERABLE BLOWING
AND DRIFTING SNOW PARTICULARLY ON THE HIGH PASSES AND IN OPEN
TERRAIN.

THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS WINTER TRAVEL
CONDITIONS THROUGH THIS AFTERNOON.

COZ031-033-034-241915-
/O.CON.KBOU.WS.W.0011.000000T0000Z-141125T0000Z/
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
413 AM MST MON NOV 24 2014

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* TIMING...HEAVY SNOWFALL AT TIMES THIS MORNING...THEN LIGHT TO
  MODERATE SNOWFALL THIS AFTERNOON.

* SNOW ACCUMULATIONS...ADDITIONAL AMOUNTS WILL RANGE FROM 3 TO 6
  INCHES BY LATE AFTERNOON.

* WIND/VISIBILITY...WEST TO NORTHWEST WINDS 20 TO 35 MPH WITH 
  GUSTS IN EXCESS OF 50 MPH ABOVE TIMBERLINE. VISIBILITIES MAY 
  FALL TO LESS THAN A FEW HUNDRED FEET DURING PERIODS OF 
  HEAVIEST SNOWFALL AND BLOWING SNOW. BRIEF WHITEOUT CONDITIONS 
  WILL BE POSSIBLE IN OPEN AREAS. 

* IMPACTS...EXPECT SLOW TRAVEL AND POSSIBLE ROAD CLOSURES IN THE
  HIGH COUNTRY DUE TO HAZARDOUS WINTER WEATHER CONDITIONS.
  ROADWAYS MOST LIKELY IMPACTED INCLUDE I-70 FROM NEAR GEORGETOWN
  THROUGH SUMMIT COUNTY OVER LOVELAND PASS AND AROUND THE
  EISENHOWER TUNNEL...HOOSIER PASS SOUTH OF BRECKENRIDGE...U.S.
  HIGHWAY 40 OVER BERTHOUD AND RABBIT EARS PASSES.

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.

&&

$$
147 
WWUS45 KBOU 241923
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1223 PM MST MON NOV 24 2014

...SNOW WILL DIMINISH BUT STILL WINDY OVER THE NORTH CENTRAL
COLORADO MOUNTAINS THIS AFTERNOON...

.SNOWFALL WILL BECOME MORE SHOWERY AND LESS INTENSE THIS AFTERNOON
AS AN AREA OF MOISTURE MOVES PAST THE MOUNTAINS. IT WILL REMAIN
WINDY WITH AREAS OF BLOWING AND DRIFTING SNOW. 

AT NOON ROAD CONDITIONS OVER THE HIGHER PASSES WERE GENERALLY
SNOWPACKED AND ICY WITH AREAS OF POOR VISIBILITY. LOVELAND PASS
WAS CLOSED. ONLY SLIGHT IMPROVEMENT IS EXPECTED BEFORE LATE THIS
AFTERNOON.

COZ031-033-034-250000-
/O.CON.KBOU.WS.W.0011.000000T0000Z-141125T0000Z/
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
1223 PM MST MON NOV 24 2014

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* TIMING...LIGHT TO MODERATE SNOWFALL WILL DIMINISH THIS
  AFTERNOON.

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

* WIND/VISIBILITY...WEST TO NORTHWEST WINDS 20 TO 30 MPH WITH
  GUSTS TO 45 MPH IN HIGHER AREAS. VISIBILITIES BELOW A QUARTER
  MILE IN AREAS.

* IMPACTS...ROADS WILL BE SNOWPACKED AND ICY WITH AREAS OF POOR
  VISIBILITY. TRAVEL WILL BE SLOW AND HAZARDOUS.  

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. CARRY A WINTER
SURVIVAL KIT WITH WARM CLOTHING AND BLANKETS...A FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK
THE LATEST ROAD CONDITIONS AND RESTRICTIONS BEFORE DEPARTING.

&&

$$

GIMMESTAD
119 
WWUS45 KBOU 242230
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
330 PM MST MON NOV 24 2014

...SNOW WILL DIMINISH THIS EVENING THEN INCREASE AGAIN ON
TUESDAY...

.THE NORTHERN COLORADO MOUNTAINS WILL HAVE A BREAK BETWEEN WEATHER
SYSTEMS TONIGHT. THERE WILL STILL BE SOME LIGHT SNOW SHOWERS
OVERNIGHT BUT ACCUMULATIONS WILL BE LIGHT. IT WILL REMAIN WINDY
WITH AREAS OF BLOWING SNOW AND COLD WIND CHILLS OVER THE HIGHER
MOUNTAINS. ON THURSDAY SNOW WILL SPREAD BACK INTO THE AREA FROM
THE WEST AND WINDS WILL BE EVEN STRONGER. GUSTS UP TO 90 MPH ARE
POSSIBLE OVER THE SUMMIT AND EAST SLOPES OF THE FRONT RANGE. THE
SNOW WILL NOT BE HEAVY...BUT IT WILL COMBINE WITH THE WINDS TO
PRODUCE NEAR BLIZZARD CONDITIONS IN EXPOSED AREAS TUESDAY
AFTERNOON AND TUESDAY NIGHT.

ROAD CONDITIONS OVER THE HIGHER PASSES WERE STILL SNOWPACKED AND
ICY LATE MONDAY AFTERNOON AND LOVELAND PASS WAS CLOSED. CONDITIONS
SHOULD IMPROVE SOMEWHAT ON MOST OF THE ROADS THIS EVENING...BUT
THE SUMMITS OF LOVELAND AND BERTHOUD PASSES WILL STILL HAVE PLENTY
OF BLOWING SNOW.

COZ031-033-034-250700-
/O.NEW.KBOU.WW.Y.0039.141125T1800Z-141126T1200Z/
/O.CON.KBOU.WS.W.0011.000000T0000Z-141125T0000Z/
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
330 PM MST MON NOV 24 2014

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM TUESDAY TO 5 AM
MST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 11 AM TUESDAY TO 5 AM MST WEDNESDAY.

* TIMING...LIGHT TO MODERATE SNOWFALL WILL DIMINISH THIS
  AFTERNOON. LIGHT TO MODERATE SNOW WILL DEVELOP AGAIN BY TUESDAY
  AFTERNOON AND CONTINUE TUESDAY NIGHT.

* SNOW ACCUMULATIONS...UP TO 2 INCHES TONIGHT...THEN 4 TO 8 INCHES
  FOR TUESDAY AND TUESDAY NIGHT IN THE FRONT RANGE AND SUMMIT
  COUNTY AND 6 TO 12 INCHES AROUND RABBIT EARS PASS.

* WIND/VISIBILITY...WEST TO NORTHWEST WINDS 20 TO 35 MPH THIS
  EVENING...INCREASING TO 25 TO 50 MPH ON TUESDAY. GUSTS AS HIGH
  AS 90 MPH ABOVE TIMBERLINE AND ON THE EAST SLOPES OF THE FRONT
  RANGE. NEAR BLIZZARD CONDITIONS IN THE WINDIER AREAS. 

* IMPACTS...ROADS WILL BE SNOWPACKED AND ICY WITH AREAS OF POOR 
  VISIBILITY. TRAVEL WILL BE SLOW AND HAZARDOUS. 

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. CONSIDER TRAVELING LATER THIS EVENING OR TUESDAY MORNING
WHEN CONDITIONS ARE NOT AS BAD.

&&

$$

GIMMESTAD
202 
WWUS45 KBOU 250000
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
500 PM MST MON NOV 24 2014

...SNOW WILL DIMINISH THIS EVENING THEN INCREASE AGAIN ON
TUESDAY...

.THE NORTHERN COLORADO MOUNTAINS WILL HAVE A BREAK BETWEEN
WEATHER SYSTEMS TONIGHT. THERE WILL STILL BE SOME LIGHT SNOW
SHOWERS OVERNIGHT BUT ACCUMULATIONS WILL BE LIGHT. IT WILL REMAIN
WINDY WITH AREAS OF BLOWING SNOW AND COLD WIND CHILLS OVER THE
HIGHER MOUNTAINS. ON THURSDAY SNOW WILL SPREAD BACK INTO THE AREA
FROM THE WEST AND WINDS WILL BE EVEN STRONGER. GUSTS UP TO 90 MPH
ARE POSSIBLE OVER THE SUMMIT AND EAST SLOPES OF THE FRONT RANGE.
THE SNOW WILL NOT BE HEAVY...BUT IT WILL COMBINE WITH THE WINDS
TO PRODUCE NEAR BLIZZARD CONDITIONS IN EXPOSED AREAS TUESDAY
AFTERNOON AND TUESDAY NIGHT.

ROAD CONDITIONS OVER THE HIGHER PASSES WERE STILL SNOWPACKED AND
ICY LATE MONDAY AFTERNOON AND LOVELAND PASS WAS CLOSED.
CONDITIONS SHOULD IMPROVE SOMEWHAT ON MOST OF THE ROADS THIS
EVENING...BUT THE SUMMITS OF LOVELAND AND BERTHOUD PASSES WILL
STILL HAVE PLENTY OF BLOWING SNOW.

COZ031-033-034-250800-
/O.EXP.KBOU.WS.W.0011.000000T0000Z-141125T0000Z/
/O.CON.KBOU.WW.Y.0039.141125T1800Z-141126T1200Z/
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
500 PM MST MON NOV 24 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM TUESDAY
TO 5 AM MST WEDNESDAY...
...WINTER STORM WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON...

* TIMING...LIGHT TO MODERATE SNOWFALL WILL DIMINISH THIS EVENING.
  LIGHT TO MODERATE SNOW WILL DEVELOP AGAIN BY TUESDAY AFTERNOON
  AND CONTINUE TUESDAY NIGHT.

* SNOW ACCUMULATIONS...UP TO 2 INCHES TONIGHT...THEN 4 TO 8 
  INCHES FOR TUESDAY AND TUESDAY NIGHT IN THE FRONT RANGE AND 
  SUMMIT COUNTY AND 6 TO 12 INCHES AROUND RABBIT EARS PASS. 

* WIND/VISIBILITY...WEST TO NORTHWEST WINDS 20 TO 35 MPH THIS 
  EVENING...INCREASING TO 25 TO 50 MPH ON TUESDAY. GUSTS AS HIGH 
  AS 90 MPH ABOVE TIMBERLINE AND ON THE EAST SLOPES OF THE FRONT 
  RANGE. NEAR BLIZZARD CONDITIONS IN THE WINDIER AREAS. 

* IMPACTS...ROADS WILL BE SNOWPACKED AND ICY WITH AREAS OF POOR 
  VISIBILITY. TRAVEL WILL BE SLOW AND HAZARDOUS. 

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. CONSIDER TRAVELING LATER THIS EVENING OR TUESDAY MORNING
WHEN CONDITIONS ARE NOT AS BAD.

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.

&&

$$

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 Nov 21, 3:19 PM MST, 4 hours 31 minutes earlier.

Area forecast discussion, Nov 21, 3:19 PM MST, 4 hours 31 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
319 PM MST FRI NOV 21 2014

.SHORT TERM...(THIS EVENING THROUGH SATURDAY)
ISSUED AT 318 PM MST FRI NOV 21 2014

THE CLOUDINESS IS QUITE MINIMAL OVER THE FORECAST AREA AT THIS
TIME. WINDS AR PRETTY LIGHT AS WELL. THERE ARE FEW GUSTS TO 20
KNOTS ALONG THE DIVIDE ONLY. MODELS HAVE A WEAK UPPER TROUGH AXIS
TO MOVE ACROSS THE CWA LATE THIS EVENING THROUGH PRE DAWN SATURDAY
MORNING. THE WINDS ALOFT ARE PROGGED TO BE WEAK AND WESTERLY THIS
EVENING...THEN NORTHWESTERLY AND WEAK AFTER THE AXIS MOVES ACROSS.
WINDS ALOFT ARE BACK TO NEAR WESTERLY BY 00Z LATE SATURDAY
AFTERNOON BUT SPEEDS ARE ON THE INCREASE. THE SYNOPTIC SCALE
ENERGY IS WEAK AND DOWNWARD IN NATURE OVERNIGHT AND SATURDAY
MORNING. THERE IS WEAK UPWARD QG VERTICAL VELOCITY PROGGED FOR
SATURDAY AFTERNOON IN ADVANCE OF THE NEXT UPPER TROUGH. THE
BOUNDARY LAYER FLOW WILL BE DOMINATED BY SOUTHWESTERLY DOWNSLOPING
WITH A LOW LEVEL TROUGH OVER EASTERN COLORADO. THE MODELS AND
SATELLITE PICTURES POINT TO LITTLE CLOUDINESS OVERNIGHT INTO
SATURDAY MORNING. UPPER LEVEL CLOUDINESS MOVES IN SATURDAY
MORNING..AND THE WESTERN CWA HAS PRETTY DEEP MOISTURE IN PLACE BY
00Z SATURDAY AFTERNOON LATE. THE QPF FIELDS HAVE ZERO
PRECIPITATION FOR THE CWA TONIGHT THROUGH 18Z SATURDAY MORNING.
ALL MODELS HAVE SOME MEASURABLE SNOW FOR THE MOUNTAINS SATURDAY
AFTERNOON. THE INCOMING TROUGH BRINGS IN UPWARD MOTION...GOOD
MOISTURE...AND INCREASED MOUNTAIN TOP WINDS FOR OROGRAPHICS. WILL
GO WITH SIGNIFICANTLY INCREASING POPS SATURDAY AFTERNOON IN THE
MOUNTAINS. NO POPS ELSEWHERE. FOR TEMPERATURES...SATURDAY'S HIGHS
ARE 1.0-3.5 C WARMER THAN TODAY'S HIGHS.

.LONG TERM...(SATURDAY NIGHT THROUGH FRIDAY) ISSUED AT 318 PM
MST FRI NOV 21 2014

A SERIES OF SMALL TROUGHS WILL MOVE OVER COLORADO IN THE STRONG
NORTHWEST FLOW ALOFT BEGINNING SATURDAY NIGHT. AT THIS POINT THE
BEST LIFT APPEARS TO BE SATURDAY EVENING AT THE NOSE OF THE
JET...BUT THERE IS DEEP MOISTURE AND STRONG WINDS INTO SUNDAY.
ANOTHER WAVE MONDAY COULD BRING AN UPSWING IN SNOW AGAIN...THOUGH
IT LOOKS LIKE THE WINDS WILL NOT BE AS STRONG. WINTER STORM WATCH
LOOKS GOOD FOR THIS PERIOD AS THE SUSTAINED OROGRAPHIC SNOW WITH A
FEW PERIODS OF DYNAMIC ENHANCEMENT SHOULD PRODUCE HEAVY SNOWFALL.
PLENTY OF WIND TO EXACERBATE THE SITUATION AS WELL. I DID BUMP UP
THE SNOWFALL AMOUNTS FOR THE FIRST PART OF THE PERIOD WITH
INCREASING CONFIDENCE. WE COULD NEED MORE FOR MONDAY AS WELL. FOR
THE PLAINS THERE COULD BE A FEW SHOWERS DURING THE PERIODS OF QG
FORCING...MAINLY SATURDAY NIGHT...BUT DOWNSLOPE DRYING WILL
SEVERELY LIMIT THE CHANCE OF RAIN OR SNOW. THERE MAY BE A HIGH
WIND THREAT IN THE FOOTHILLS...BUT JUST A BRUTE FORCE EVENT FROM
MIXING OF THE STRONG WINDS ALOFT. PLAINS ALSO NEEDED A BIT MORE
WIND...PROBABLY NOT MUCH OF A HIGH WIND THREAT BUT COULD SEE GUSTS
TO 50 MPH ON SUNDAY AND MONDAY AFTERNOONS.

BY TUESDAY THE FLOW WILL BE DIMINISHING AND THERE SHOULD BE LESS
MOISTURE...BUT MODELS DO HAVE ANOTHER SHORTWAVE TO KEEP CLOUDS AND
SOME MOUNTAIN SNOW. THERE WILL BE A WINDOW OF WARMER AND DRIER
CONDITIONS ABOUT WEDNESDAY...WHICH COULD LAST INTO THURSDAY AND
WARMING ALONG THE FRONT RANGE COULD BE CONSIDERABLE AS THERE WILL
STILL BE ENOUGH WIND FOR SOME DOWNSLOPING AND A LEE TROUGH.
DESPITE BETTER AGREEMENT ON A BROAD RIDGE UPSTREAM FOR
THURSDAY...THERE ARE DIFFERING DETAILS ON POSSIBLE SHORTWAVE
ENERGY AND ANOTHER COLD FRONT COMING DOWN THE PLAINS. MOST MODEL
SOLUTIONS HAVE THURSDAY WARM AND DRY WITH JUST A MINOR NORTHERLY
SURGE WEDNESDAY AFTERNOON OR EVENING...BUT THERE IS STILL SOME
UNCERTAINTY THERE. BETTER AGREEMENT ON ANOTHER TROUGH AND FRONT
LATER...EITHER FRIDAY OR SATURDAY...THAT MAY BRING MORE
SIGNIFICANT SNOW AND COOLING. LEFT SOME LOW POPS IN TO ACCOUNT FOR
THE REMAINING UNCERTAINTY. MODELS THAT FLIP CAN FLOP...NOT TOO
TRUSTING OF RESOLVING SHORTWAVES IN STRONG NW FLOW. HOWEVER...IT
LOOKS LIKE CHANCE OF ANY SUBSTANTIAL WINTER WEATHER IN THE WED-
FRI PERIOD ARE SLIM AT BEST.

&&

.AVIATION...(FOR THE TAFS THROUGH 00Z SATURDAY LATE AFTERNOON)
ISSUED AT 318 PM MST FRI NOV 21 2014

A WEAK PRESSURE GRADIENT WILL KEEP WINDS WEAK AT DIA. NORMAL
DRAINAGE PATTERNS SHOULD KICK IN THIS EVENING...BY 03Z...BUT
SPEEDS SHOULD BE UNDER 12 KNOTS. SOUTHWESTERLIES SHOULD PREVAIL
ALL DAY SATURDAY...BUT NO SIGNIFICANT SPEEDS. THERE SHOULD BE NO
CEILING ISSUES THE NEXT 24 HOURS.

&&

.BOU WATCHES/WARNINGS/ADVISORIES...
WINTER STORM WATCH FROM SATURDAY AFTERNOON THROUGH MONDAY
AFTERNOON FOR COZ031-033-034.

&&

SHORT TERM...RJK
LONG TERM...GIMMESTAD
AVIATION...RJK
Hazardous weather outlook, Nov 21, 10:02 AM MST, 9 hours 48 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1002 AM MST FRI NOV 21 2014

COZ030>051-221715-
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-
1002 AM MST FRI NOV 21 2014

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AS THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A PROLONGED PERIOD OF SNOW AND BLOWING SNOW WILL START IN THE
MOUNTAINS LATE SATURDAY AFTERNOON OR EARLY EVENING...AND THEN
CONTINUE THROUGH AT LEAST MONDAY. THERE IS POTENTIAL FOR PERIODS
OF HEAVY MOUNTAIN SNOWFALL AS EMBEDDED WEATHER DISTURBANCES MOVE
ACROSS THE STATE. HAZARDOUS WINTER TRAVEL CONDITIONS WILL DEVELOP
WITH THE ONSET OF SNOW AND BLOWING SNOW DUE TO POOR VISIBILITIES
AND SLICK ROADS ACROSS THE COLORADO HIGH COUNTRY. STORM TOTAL
ACCUMULATIONS BY LATE MONDAY OF 8 TO 16 INCHES ARE POSSIBLE IN
ELEVATIONS ABOVE 9000 FEET...WITH LOCALLY HIGHER AMOUNTS.

ON THE PLAINS...DRY AND MILD WEATHER SATURDAY WILL BE REPLACED BY
WINDY CONDITIONS AND COLDER TEMPERATURES BY SUNDAY. A FEW SNOW
SHOWERS ARE POSSIBLE SATURDAY NIGHT WITH THE PASSAGE OF AN UPPER
LEVEL DISTURBANCE.

BY TUESDAY...EVEN STRONGER DOWNSLOPE WINDS WILL BE POSSIBLE IN AND
NEAR THE FRONT RANGE FOOTHILLS. MEANWHILE...SNOW IS EXPECTED TO
DECREASE IN THE HIGH COUNTRY AS THE AIRMASS DRIES AND STABILIZES.

AT THIS TIME IT APPEARS THAT THERE IS ONLY A SLIGHT CHANCE OF
LIGHT SNOW FOR THANKSGIVING DAY...MAINLY IN THE MOUNTAINS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

RJK/GIMMESTAD

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 22, 10:25 AM MSTWinter Weather AdvisoryBOUGrand, Jackson, Summit23 hr

Nearby

Winter Storm Warnings in Colorado, 2014Every winter storm warning in 2014

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.