Alert archive / Colorado / Winter Storm Warnings in 2014

Winter Storm Warning 8, NWS Denver/Boulder, CO

April 26, 20149 counties in Colorado

NWS Denver/Boulder, CO issued this winter storm warning at Apr 26, 2014, 6:01 AM MDT for 9 counties in Colorado. It took effect at Apr 26, 2014, 9:00 PM MDT. It was in force for 24 hr. 1 report 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
Apr 26, 2014, 6:01 AM MDT (12:01 UTC)
In effect from
Apr 26, 2014, 9:00 PM MDT
Expired
Apr 27, 2014, 9:00 PM MDT
In force
24 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 12:05 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
Apr 27, 1:52 AM MDTSNOW 12 Sse Tabernash, 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, 0.0 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 12:00Z on 2014-04-26Temperature 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 2014-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 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
3318 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
131 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.

268 
WWUS45 KBOU 261201
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
601 AM MDT SAT APR 26 2014

...STRONG SPRING STORM TO IMPACT COLORADO THIS WEEKEND...

.A STRONG UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE FROM THE FOUR
CORNERS REGION THIS EVENING TO NEAR THE COLORADO/KANSAS BORDER BY
SUNDAY MORNING. AT THE SAME SURFACE LOW PRESSURE WILL INTENSIFY
OVER FAR NORTHEASTERN COLORADO. MOST AREAS OF NORTHEAST AND NORTH
CENTRAL COLORADO WILL SEE SOME IMPACT FROM THIS STORM OVER THE
WEEKEND. HEAVY SNOW IS LIKELY IN THE MOUNTAINS STARTING THIS
EVENING...WHILE RAIN SHOWERS AND A FEW THUNDERSTORMS WILL OCCUR ON
THE PLAINS MAINLY LATER TONIGHT AND SUNDAY. RAIN MAY CHANGE TO
SNOW ON THE PALMER DIVIDE. STRONG NORTHWEST WINDS WILL ALSO OCCUR
ON THE PLAINS WITH HIGH WINDS POSSIBLE OVER NORTHEAST COLORADO ON
SUNDAY.

COZ031-033-034-262015-
/O.UPG.KBOU.WS.A.0009.140427T0300Z-140428T0300Z/
/O.NEW.KBOU.WS.W.0008.140427T0300Z-140428T0300Z/
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
601 AM MDT SAT APR 26 2014

...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 PM
MDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM
WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 9 PM
THIS EVENING TO 9 PM MDT SUNDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.

* TIMING...RAIN AND SNOW SHOWERS ALONG WITH A FEW THUNDERSTORMS
  WILL DEVELOP THIS AFTERNOON. PRECIPITATION SHOULD QUICKLY CHANGE
  TO ALL SNOW BY MID EVENING AND BECOME HEAVIER AS THE STORM
  SYSTEM MOVES INTO THE STATE. THE SNOW MAY BE HEAVY AT TIMES WITH
  1 TO 2 INCH PER HOUR SNOW RATES TONIGHT. SNOW IS EXPECTED TO
  GRADUALLY DECREASE LATE SUNDAY.

* SNOW ACCUMULATIONS...7 TO 14 INCHES.

* WIND/VISIBILITY...WEST TO NORTHWEST INCREASING TO 20 TO 35 MPH
  WITH GUSTS AROUND 50 MPH ABOVE TIMBERLINE BY SUNDAY.
  VISIBILITIES WILL DROP TO A QUARTER MILE OR LESS IN AREAS OF
  HEAVY SNOWFALL AND/OR BLOWING SNOW. 

* IMPACTS...TRAVEL AND ROAD CONDITIONS ARE EXPECTED TO DETERIORATE
  RAPIDLY WITH THE ONSET OF HEAVIER SNOWFALL THIS EVENING.
  HAZARDOUS WINTER DRIVING CONDITIONS WILL CONTINUE THROUGH
  SUNDAY.

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.

&&

$$

COZ030-032-262015-
/O.NEW.KBOU.WW.Y.0026.140427T0300Z-140428T0000Z/
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
601 AM MDT SAT APR 26 2014

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO
6 PM MDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 9 PM THIS
EVENING TO 6 PM MDT SUNDAY.

* TIMING...RAIN SHOWERS WILL CHANGE TO SNOW BY MID TO LATE EVENING
  AS COLDER AIR ARRIVES. THE SNOW MAY BE HEAVY AT TIMES INTO EARLY
  SUNDAY MORNING BEFORE GRADUALLY DECREASING.

* SNOW ACCUMULATIONS...4 TO 8 INCHES.

* WIND/VISIBILITY...WEST WINDS INCREASING TO 15 TO 25 MPH WITH
  GUSTS AROUND 35 MPH. VISIBILITIES WILL DROP TO A QUARTER MILE IN
  THE HEAVIEST SNOW SHOWERS.

* IMPACTS...SLUSH AND SNOW MAY ACCUMULATE ON ROADS WITH HAZARDOUS
  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.

&&

$$

BARJENBRUCH
5 follow-up statements
964 
WWUS45 KBOU 261914
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
114 PM MDT SAT APR 26 2014

...STRONG SPRING STORM TO IMPACT COLORADO THIS WEEKEND...

.A STRONG UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE FROM THE FOUR
CORNERS REGION THIS EVENING TO NEAR THE COLORADO/KANSAS BORDER BY
SUNDAY MORNING. AT THE SAME SURFACE LOW PRESSURE WILL INTENSIFY
OVER NORTHEASTERN COLORADO. MOST AREAS OF NORTHEAST AND NORTH
CENTRAL COLORADO WILL SEE SOME IMPACT FROM THIS STORM OVER THE
WEEKEND. HEAVY SNOW IS LIKELY IN THE MOUNTAINS STARTING THIS
EVENING...WHILE RAIN SHOWERS AND A FEW THUNDERSTORMS WILL OCCUR ON
THE PLAINS MAINLY LATER TONIGHT AND SUNDAY. RAIN MAY CHANGE TO
SNOW ON THE PALMER DIVIDE. STRONG NORTHWEST WINDS WILL ALSO OCCUR
ON THE PLAINS WITH HIGH WINDS POSSIBLE OVER NORTHEAST COLORADO ON
SUNDAY.

COZ031-033-034-270315-
/O.CON.KBOU.WS.W.0008.140427T0300Z-140428T0300Z/
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 MDT SAT APR 26 2014

...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 9 PM MDT SUNDAY...

* TIMING...RAIN AND SNOW SHOWERS ALONG WITH A FEW THUNDERSTORMS 
  WILL DEVELOP LATE THIS AFTERNOON. PRECIPITATION SHOULD QUICKLY 
  CHANGE TO ALL SNOW BY MID EVENING AND BECOME HEAVIER AS THE 
  STORM SYSTEM MOVES INTO THE STATE. THE SNOW MAY BE HEAVY AT 
  TIMES WITH 1 TO 2 INCH PER HOUR SNOW RATES TONIGHT. SNOW IS 
  EXPECTED TO GRADUALLY DECREASE LATE SUNDAY. 

* SNOW ACCUMULATIONS...7 TO 14 INCHES.

* WIND/VISIBILITY...WEST TO NORTHWEST INCREASING TO 20 TO 35 MPH 
  WITH GUSTS AROUND 50 MPH ABOVE TIMBERLINE BY SUNDAY. 
  VISIBILITIES WILL DROP TO A QUARTER MILE OR LESS IN AREAS OF 
  HEAVY SNOWFALL AND/OR BLOWING SNOW. 

* IMPACTS...TRAVEL AND ROAD CONDITIONS ARE EXPECTED TO 
  DETERIORATE RAPIDLY WITH THE ONSET OF HEAVIER SNOWFALL THIS 
  EVENING. HAZARDOUS WINTER DRIVING CONDITIONS WILL CONTINUE 
  THROUGH SUNDAY. 

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.

&&

$$

COZ030-032-270315-
/O.CON.KBOU.WW.Y.0026.140427T0300Z-140428T0000Z/
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
114 PM MDT SAT APR 26 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS
EVENING TO 6 PM MDT SUNDAY...

* TIMING...RAIN SHOWERS WILL CHANGE TO SNOW BY MID TO LATE 
  EVENING AS COLDER AIR ARRIVES. THE SNOW MAY BE HEAVY AT TIMES 
  INTO EARLY SUNDAY MORNING BEFORE GRADUALLY DECREASING. 

* SNOW ACCUMULATIONS...4 TO 8 INCHES.

* WIND/VISIBILITY...WEST WINDS INCREASING TO 15 TO 25 MPH WITH 
  GUSTS AROUND 35 MPH. VISIBILITIES WILL DROP TO A QUARTER MILE 
  IN THE HEAVIEST SNOW SHOWERS. 

* IMPACTS...SLUSH AND SNOW MAY ACCUMULATE ON ROADS WITH 
  HAZARDOUS 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.

&&

$$
465 
WWUS45 KBOU 270212
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
812 PM MDT SAT APR 26 2014

...STRONG SPRING STORM TO IMPACT COLORADO THIS WEEKEND...

.A STRONG UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE FROM THE FOUR
CORNERS REGION TONIGHT TO NEAR THE COLORADO/KANSAS BORDER BY
SUNDAY MORNING AND INTO NORTHWEST KANSAS BY SUNDAY AFTERNOON.  AT
THE SAME TIME SURFACE LOW PRESSURE WILL INTENSIFY OVER
NORTHEASTERN COLORADO AND THEN MOVE INTO SOUTHWESTERN NEBRASKA BY
SUNDAY AFTERNOON. MOST AREAS OF NORTHEAST AND NORTH CENTRAL
COLORADO WILL SEE SOME IMPACT FROM THIS STORM OVER THE WEEKEND.
HEAVY SNOW IS LIKELY IN THE MOUNTAINS OVERNIGHT...WHILE RAIN
SHOWERS AND A FEW THUNDERSTORMS WILL OCCUR ON THE PLAINS MAINLY
LATER TONIGHT AND SUNDAY. RAIN MAY CHANGE TO SNOW ON THE PALMER
DIVIDE. STRONG NORTHWEST WINDS WILL ALSO OCCUR ON THE PLAINS WITH
HIGH WINDS POSSIBLE OVER NORTHEAST COLORADO ON SUNDAY.

COZ031-033-034-271015-
/O.CON.KBOU.WS.W.0008.140427T0300Z-140428T0300Z/
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
812 PM MDT SAT APR 26 2014

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY...

* TIMING...RAIN AND SNOW SHOWERS ALONG WITH A FEW THUNDERSTORMS
  WILL CHANGE TO ALL SNOW LATER THIS EVENING AND BECOME HEAVIER AS
  THE STORM SYSTEM MOVES INTO SOUTHEAST COLORADO. THE SNOW MAY BE
  HEAVY AT TIMES WITH 1 TO 2 INCH PER HOUR SNOW RATES OVERNIGHT.
  SNOW IS EXPECTED TO GRADUALLY DECREASE LATE SUNDAY.

* SNOW ACCUMULATIONS...7 TO 14 INCHES.

* WIND/VISIBILITY...WEST TO NORTHWEST INCREASING TO 20 TO 35 MPH 
  WITH GUSTS AROUND 50 MPH ABOVE TIMBERLINE BY SUNDAY. 
  VISIBILITIES WILL DROP TO A QUARTER MILE OR LESS IN AREAS OF 
  HEAVY SNOWFALL AND/OR BLOWING SNOW. 

* IMPACTS...TRAVEL AND ROAD CONDITIONS ARE EXPECTED TO DETERIORATE
  RAPIDLY WITH THE ONSET OF HEAVIER SNOWFALL LATER THIS EVENING.
  HAZARDOUS WINTER DRIVING CONDITIONS WILL CONTINUE THROUGH
  SUNDAY.

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.

&&

$$

COZ030-032-271015-
/O.CON.KBOU.WW.Y.0026.140427T0300Z-140428T0000Z/
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
812 PM MDT SAT APR 26 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SUNDAY...

* TIMING...RAIN SHOWERS WILL CHANGE TO SNOW BY MID TO LATE EVENING
  AS COLDER AIR MOVES IN. THE SNOW MAY BE HEAVY AT TIMES INTO
  EARLY SUNDAY MORNING BEFORE GRADUALLY DECREASING.

* SNOW ACCUMULATIONS...4 TO 8 INCHES.

* WIND/VISIBILITY...WEST WINDS INCREASING TO 15 TO 25 MPH WITH 
  GUSTS AROUND 35 MPH. VISIBILITIES WILL DROP TO A QUARTER MILE 
  IN THE HEAVIEST SNOW SHOWERS. 

* IMPACTS...SLUSH AND SNOW MAY ACCUMULATE ON ROADS WITH 
  HAZARDOUS 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.

&&

$$
453 
WWUS45 KBOU 271042
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
442 AM MDT SUN APR 27 2014

...STRONG SPRING STORM MOVING ACROSS COLORADO...

.A STRONG UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE FROM SOUTHEAST
COLORADO INTO NORTHWEST KANSAS BY THIS AFTERNOON. AT THE SAME
TIME SURFACE LOW PRESSURE WILL INTENSIFY OVER EASTERN COLORADO AND
THEN MOVE INTO SOUTHWESTERN NEBRASKA THIS AFTERNOON. 

IN THE HIGH COUNTRY...THE HEAVIEST SNOW WILL FALL IN THE FRONT
RANGE MOUNTAINS AND SUMMIT COUNTY. LOCATIONS FARTHER WEST
INCLUDING MUCH OF GRAND AND JACKSON COUNTIES WILL SEE LIGHTER
SNOWFALL. ON THE PLAINS...RAIN SHOWERS AND A FEW THUNDERSTORMS
WILL BECOME MORE NUMEROUS THIS MORNING AND GRADUALLY PUSH EASTWARD
THROUGH THE AFTERNOON. THE RAIN MAY CHANGE TO SNOW OVER THE PALMER
DIVIDE...AND PERHAPS AS FAR EAST AS WASHINGTON COUNTY THIS
MORNING. STRONG WINDS WILL DEVELOP OVER ALL OF THE FORECAST AREA
WITH HIGH WINDS ON THE EASTERN PLAINS. 

COZ031-271900-
/O.CAN.KBOU.WS.W.0008.000000T0000Z-140428T0300Z/
/O.NEW.KBOU.WW.Y.0027.140427T1042Z-140428T0300Z/
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
442 AM MDT SUN APR 27 2014

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 PM MDT THIS
EVENING...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
UNTIL 9 PM MDT THIS EVENING. THE WINTER STORM WARNING HAS BEEN
CANCELLED.

* TIMING...SNOW SHOWERS AND BLOWING SNOW WILL CONTINUE THROUGH THE
  DAY...GRADUALLY DECREASING IN INTENSITY LATE THIS AFTERNOON AND
  EVENING.

* SNOW ACCUMULATIONS...4 TO 8 INCHES.

* WIND/VISIBILITY...WEST TO NORTHWEST INCREASING TO 20 TO 35 MPH
  WITH GUSTS AROUND 45 MPH. VISIBILITIES WILL DROP TO A QUARTER
  MILE OR LESS IN AREAS OF HEAVY SNOWFALL AND/OR BLOWING SNOW.

* IMPACTS...HAZARDOUS WINTER DRIVING CONDITIONS CAN BE EXPECTED
  DUE TO SNOW COVERED ROADS AND BLOWING SNOW...MAINLY OVER THE
  HIGHER PASSES.

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.

&&

$$

COZ030-032-271145-
/O.CAN.KBOU.WW.Y.0026.000000T0000Z-140428T0000Z/
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
442 AM MDT SUN APR 27 2014

...WINTER WEATHER ADVISORY IS CANCELLED...

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

SNOW SHOWERS WILL OCCUR TODAY...BUT GRADUALLY DECREASE IN
INTENSITY THIS AFTERNOON. TOTAL ACCUMULATIONS IN MOST VALLEY
LOCATIONS OF GRAND AND JACKSON COUNTIES WILL RANGE BETWEEN 2 AND
4 INCHES.

$$

COZ033-034-271900-
/O.CON.KBOU.WS.W.0008.000000T0000Z-140428T0300Z/
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
442 AM MDT SUN APR 27 2014

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THIS MORNING AND
  THEN GRADUALLY DECREASE IN INTENSITY LATER THIS AFTERNOON AND
  EVENING.

* SNOW ACCUMULATIONS...5 TO 11 INCHES.

* WIND/VISIBILITY...WEST TO NORTHWEST INCREASING TO 20 TO 35 MPH
  WITH GUSTS AROUND 60 MPH ABOVE TIMBERLINE. VISIBILITIES WILL
  DROP TO A QUARTER MILE OR LESS IN AREAS OF HEAVY SNOWFALL AND/OR
  BLOWING SNOW. NEAR WHITEOUT CONDITIONS MAY OCCUR OVER THE HIGHER
  PASSES DURING THE STRONGER WINDS GUSTS.

* IMPACTS...POOR VISIBILITIES AND SNOW COVERED OR ICY ROADS WILL
  LEAD TO HAZARDOUS WINTER DRIVING CONDITIONS...ESPECIALLY OVER
  THE HIGHER MOUNTAIN 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.

&&

$$

BARJENBRUCH
738 
WWUS45 KBOU 271834
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1234 PM MDT SUN APR 27 2014

...POTENT SPRING STORM SYSTEM CONTINUES TO IMPACT THE MOUNTAINS
OF NORTH CENTRAL COLORADO...

.A DEEP LOW PRESSURE SYSTEM CENTERED OVER NORTHWEST KANSAS EARLY
THIS AFTERNOON WILL CONTINUE TO PRODUCE STRONG NORTHWEST WINDS AS
WELL AS SNOW AND BLOWING SNOW OVER HIGHER ELEVATIONS IN THE NORTH
CENTRAL MOUNTAINS OF COLORADO THROUGH EARLY THIS EVENING.

THE HEAVIEST SNOWFALL AND STRONGEST WINDS ARE LIKELY TO OCCUR UP
ALONG THE CONTINENTAL DIVIDE IN SUMMIT...GRAND AND JACKSON
COUNTIES WHERE SEVERAL INCHES OF ADDITIONAL SNOW ACCUMULATION IS
LIKELY. IN ADDITION...NORTHWEST WINDS OF 30 TO 50 MPH AND HIGHER
GUSTS TO AROUND 65 MPH WILL ALSO CONTINUE TO PRODUCE BLOWING SNOW
ON THE HIGH MOUNTAIN PASSES AND UP AROUND THE EISENHOWER TUNNEL.

MOUNTAIN AREAS ROUGHLY SOUTH OF INTERSTATE 70 WILL SEE A GRADUAL
DECREASE IN SNOWFALL THROUGH THE AFTERNOON. THIS AREA COULD SEE
ANOTHER 2 TO 4 INCHES OF SNOW TOGETHER WITH AREAS OF BLOWING SNOW
THROUGH EARLY THIS EVENING.

THE PARK AND GORE RANGES IN WESTERN JACKSON AND GRAND COUNTIES
ARE NOT EXPECTED TO SEE MUCH IN THE WAY OF ADDITIONAL SNOW
ACCUMULATION FOR THE REMAINDER OF TODAY. ALTHOUGH NORTHWEST WINDS
OF 25 TO 45 MPH MAY CONTINUE TO PRODUCE SOME BLOWING SNOW IN OPEN
AREAS.

COZ034-280245-
/O.CAN.KBOU.WS.W.0008.000000T0000Z-140428T0300Z/
/O.NEW.KBOU.WW.Y.0028.140427T1834Z-140428T0300Z/
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...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
1234 PM MDT SUN APR 27 2014

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 PM MDT THIS
EVENING...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
UNTIL 9 PM MDT THIS EVENING. THE WINTER STORM WARNING HAS BEEN
CANCELLED.

* TIMING...SNOW AND AREAS BLOWING SNOW WILL CONTINUE THROUGH EARLY
  THIS EARLY EVENING ON THE HIGHER MOUNTAIN RIDGES AND PASSES.

* SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES MAINLY ON
  NORTHWEST FACING SLOPE.

* WIND/VISIBILITY...WEST TO NORTHWEST OF 25 TO 45 MPH WITH GUSTS
  AROUND 60 MPH WILL CONTINUE TO PRODUCE AREAS OF BLOWING
  SNOW...MAINLY UP ALONG THE CONTINENTAL DIVIDE. VISIBILITIES WILL
  DROP TO A QUARTER MILE OR LESS AT TIMES IN THE SNOW AND BLOWING
  SNOW. 

* IMPACTS...POOR VISIBILITIES AND SNOW COVERED OR ICY ROADS WILL
  CREATE HAZARDOUS WINTER DRIVING CONDITIONS...ESPECIALLY OVER
  THE HIGHER MOUNTAIN PASSES.

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.

&&

$$

COZ031-271945-
/O.CAN.KBOU.WW.Y.0027.000000T0000Z-140428T0300Z/
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
1234 PM MDT SUN APR 27 2014

...WINTER WEATHER ADVISORY IS CANCELLED...

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

SNOWFALL WILL CONTINUE TO DECREASE IN THE PARK AND GORE RANGES OF
WESTERN JACKSON AND GRAND COUNTIES THROUGH THE REMAINDER OF THE
AFTERNOON. ANY ADDITIONAL SNOW ACCUMULATION SHOULD BE UNDER 3
INCHES. HOWEVER NORTHWEST WINDS OF 25 TO 40 MPH MAY CONTINUE TO
PRODUCE SOME BLOWING SNOW IN OPEN AREAS.

$$

COZ033-280245-
/O.CON.KBOU.WS.W.0008.000000T0000Z-140428T0300Z/
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER 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
1234 PM MDT SUN APR 27 2014

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* TIMING...SNOW...MODERATE TO HEAVY AT TIMES...WILL CONTINUE
  THROUGH EARLY THIS EVENING...THEN DECREASE OVERNIGHT.

* SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 6 INCHES...MAINLY ON
  NORTH AND WEST FACING ASPECTS.

* WIND/VISIBILITY...WEST TO NORTHWEST OF 30 TO 45 MPH WITH GUSTS
  TO AROUND 65 MPH ABOVE TIMBERLINE WILL ALSO CONTINUE TO PRODUCE
  BLOWING SNOW. THE COMBINATION OF FALLING SNOW AND BLOWING SNOW
  WILL REDUCE VISIBILITIES TO A QUARTER MILE OR LESS. NEAR
  WHITEOUT CONDITIONS MAY OCCUR OVER THE HIGHER PASSES...INCLUDING
  AT BOTH PORTALS OF THE EISENHOWER TUNNEL.

* IMPACTS...POOR VISIBILITIES AND SNOW COVERED OR ICY ROADS WILL 
  LEAD TO HAZARDOUS WINTER DRIVING CONDITIONS...ESPECIALLY OVER 
  THE HIGHER MOUNTAIN 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
169 
WWUS45 KBOU 280236
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
836 PM MDT SUN APR 27 2014

COZ033-280345-
/O.EXP.KBOU.WS.W.0008.000000T0000Z-140428T0300Z/
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER 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
836 PM MDT SUN APR 27 2014

...WINTER STORM WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING...

LIGHT SNOW WILL DECREASE LATER TONIGHT WITH ADDITIONAL
ACCUMULATIONS UP TO 3 INCHES. GUSTY NORTHWEST WINDS UP TO 60 MPH
WILL CREATE SOME BLOWING SNOW OVER THE PASSES.

$$

COZ034-280345-
/O.EXP.KBOU.WW.Y.0028.000000T0000Z-140428T0300Z/
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...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
836 PM MDT SUN APR 27 2014

...WINTER WEATHER ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING...

LIGHT SNOW WILL DECREASE LATER TONIGHT WITH ADDITIONAL
ACCUMULATIONS UP TO 2 INCHES. GUSTY NORTHWEST WINDS UP TO 50 MPH
WILL CREATE SOME BLOWING SNOW OVER THE PASSES.


$$

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 Apr 26, 3:39 AM MDT, 2 hours 22 minutes earlier.

Area forecast discussion, Apr 26, 3:39 AM MDT, 2 hours 22 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
339 AM MDT SAT APR 26 2014

.SHORT TERM...(TODAY THROUGH TONIGHT )
ISSUED AT 339 AM MDT SAT APR 26 2014

WARM SOUTHWEST FLOW WILL PREVAIL TODAY AHEAD OF THE STRONG UPPER
LEVEL LOW DIGGING ACROSS THE DESERT SOUTHWEST. THIS WILL BRING
WARM TEMPERATURES...INCREASING WINDS...AND HIGHER FIRE DANGER TO
THE FORECAST AREA TODAY. CLOUDS WILL INCREASE THROUGH THE
AFTERNOON ALTHOUGH MOST CONVECTION THIS AFTERNOON SHOULD BE
CONFINED TO THE HIGHER TERRAIN. TRIMMED BACK POPS ALONG THE FRONT
RANGE A BIT MORE DUE TO THE INITIALLY DRY LOW LEVELS.

FOR TONIGHT...SHOWERS WILL BECOME MORE WIDESPREAD AND HEAVIER IN
THE MOUNTAINS AS UPPER LEVEL SUPPORT IN THE FORM OF MODERATE TO
STRONG Q-G LIFT MOVES IN. AT THE SAME TIME DEEP MOISTURE...MOIST
ADIABATIC LAPSE RATES...AND IMPROVING OROGRAPHICS WILL JOIN
FORCES. THE COMBINATION OF THESE FACTORS WILL LIKELY RESULT IN
HEAVY SNOWFALL FOR THE HIGH COUNTRY WITH A PERIOD OF 1-2 INCH PER
HOUR SNOW RATES. WILL UPGRADE THE WATCH TO A WARNING FOR
ELEVATIONS ABOVE 9000 FEET...AND ADD AN ADVISORY TO THE HIGH
MOUNTAIN VALLEYS.

ON THE PLAINS...BEST CHANCE OF SHOWERS SHOULD HOLD OFF UNTIL AFTER
MIDNIGHT WHEN BEST LIFT AND MOISTURE ARRIVES. WHILE EACH FORECAST
MODEL IS DIFFERENT IN THE DETAILS WITH REGARD TO HANDLING THE
WIND FIELDS...OVERALL STRONG Q-G LIFT SHOULD BE ABLE TO OVERCOME
ANY DOWNSLOPE COMPONENT FOR A FEW HOURS LATE TONIGHT INTO EARLY
SUNDAY MORNING. CANT RULE OUT SOME SNOW MIXING IN WITH RAIN IF THE
COLDEST MODELS VERIFY...MAINLY FROM THE SOUTHEASTERN SUBURBS OF
DENVER TOWARD THE PALMER DIVIDE.

.LONG TERM...(SUNDAY THROUGH FRIDAY)
ISSUED AT 339 AM MDT SAT APR 26 2014

MODELS STILL STRUGGLING TO FIGURE OUT THE TRACK AND TIMING OF THE
STORM SYSTEM FOR THE LAST HALF OF THE WEEKEND AND EARLY NEXT WEEK.
WILL TREND TOWARDS THE ECMWF SINCE ITS FORECAST IS BETWEEN THE GFS
WHICH IS THE QUICKEST AND THE SLOW NAM. THE ECMWF AND NAM ARE
SOMEWHAT SIMILAR AND WOULD EXPECT A SLOWER MOVING SYSTEM BECAUSE OF
THE NEGATIVE TILT OF THIS SYSTEM AND THAT IT IS RUNNING INTO A
RIDGE.

STRONG LIFT WILL MOVE ACROSS NORTHEAST COLORADO SUNDAY MORNING.
EXPECT AN AREA OF RAIN TO ACCOMPANY THE LIFT DURING THE MORNING AND
CONTINUE INTO THE AFTERNOON OVER THE NORTHEAST CORNER. STILL A
SLIGHT CHANCE FOR THUNDERSTORMS BECAUSE OF THE STRONG LIFT AND STEEP
MID LEVEL LAPSE RATES. COULD BE A STRONG STORM TOO OVER THE FAR
NORTHEAST CORNER IF THE SLOWER SOLUTIONS PAN OUT. A STRONG PRESSURE
GRADIENT ON THE BACKSIDE OF THE LOW WILL PRODUCE STRONG WINDS. WILL
ISSUE A HIGH WIND WATCH FOR MOST OF NORTHEAST COLORADO. THE AREA MAY
NEED TO BE ADJUSTED ONCE THE TRACK AND TIMING ARE MORE CERTAIN.
OROGRAPHIC LIFT DUE TO THE STRONG NORTHWEST FLOW AND COLD AIR
ADVECTION SHOULD KEEP SNOW GOING FOR MOST OF THE DAY OVER THE
MOUNTAINS. ALONG THE FRONT RANGE...ONCE THE MID LEVEL LIFT MOVES OFF
STRONG DOWNSLOPE WINDS WILL SQUASH PRECIPITATION BY SUNDAY
AFTERNOON.  PRECIPITATION AND WINDS WILL DECREASE SUNDAY NIGHT.
HOWEVER...WINDS WILL REMAIN BREEZY ACROSS THE PLAINS AND SNOW WILL
LINGER IN SPOTS IN THE MOUNTAINS.

NORTHERLY FLOW ALOFT WILL PREVAIL FOR MOST OF NEXT WEEK. THIS WILL
KEEP COOL AND UNSETTLED CONDITIONS ACROSS THE REGION. BEST CHANCE
FOR SHOWERS...AND PERHAPS A WEAK THUNDERSTORM WILL OCCUR DURING THE
AFTERNOON HOURS AS THE AIRMASS BECOMES SLIGHTLY UNSTABLE. MODELS
SHOW PRECIPITATION FROM THE UPPER LEVEL LOW MAY GRAZE FAR NORTHEAST
COLORADO AT TIMES...SO WILL HAVE HIGHER POPS HERE. BY THE END OF THE
WEEK...DRY CONDITIONS ARE EXPECTED WITH TEMPERATURES FINALLY BACK TO
NEAR NORMAL AS A WEAK RIDGE MOVES ACROSS THE STATE UNDER A
NORTHWESTERLY FLOW ALOFT.

&&

.AVIATION...(FOR THE TAFS THROUGH 12Z SUNDAY MORNING)
ISSUED AT 339 AM MDT SAT APR 26 2014

WITH REGARD TO WIND...SOUTH/SOUTHWEST WINDS AROUND 10-15 KTS
EXPECTED TO INCREASE TO AROUND 20 KTS WITH GUSTS TO 30 KTS 19Z-22Z
AND THEN CONTINUE TIL AROUND 02Z-03Z. ONLY A 10-20 PERCENT CHANCE
OF A HIGH BASED SHOWER/STORM TOWARD 00Z WITH OUTFLOW WINDS TO
AROUND 35 KTS. WINDS ARE THEN EXPECTED TO BECOME MORE
WEST/NORTHWEST 03Z-08Z AND BEGIN TO INCREASE FROM THE NORTHWEST
THROUGH 12Z WITH GUSTS TO AROUND 35 KTS POSSIBLE. EVEN STRONGER
NORTHWEST WINDS EXPECTED ON SUNDAY WITH SPEEDS OF 25G40KTS THROUGH
MUCH OF THE DAY.

VFR CONDITIONS WILL PREVAIL TIL AROUND 06Z TONIGHT. THEN LOWER
MVFR CEILINGS AND VISIBILITIES MAY DEVELOP AS SHOWERS BECOME MORE
WIDESPREAD AND HEAVIER 08Z-12Z WITH A SLIGHT CHANCE OF A
THUNDERSTORM.

&&

.FIRE WEATHER...
ISSUED AT 339 AM MDT SAT APR 26 2014

EARLIER EXAMINATION OF THE FUEL DRYNESS ON THE EASTERN
PLAINS INDICATED LINCOLN COUNTY WAS MOST PRONE TO THE HIGH FIRE
DANGER CONDITIONS TODAY. WILL MAINTAIN THE RED FLAG WARNING FOR
THAT AREA WITH HUMIDITIES DROPPING TO AROUND 10 PERCENT AND
SOUTH/SOUTHWEST WINDS INCREASING TO 20-25 MPH WITH GUSTS AROUND
35 MPH. WINDS EXPECTED TO BEGIN DECREASING BY 8 PM WITH SLOW
IMPROVEMENT IN HUMIDITY.

&&

.BOU WATCHES/WARNINGS/ADVISORIES...
WINTER WEATHER ADVISORY FROM 9 PM THIS EVENING TO 6 PM MDT
SUNDAY FOR COZ030-032.

WINTER STORM WARNING FROM 9 PM THIS EVENING TO 9 PM MDT SUNDAY
FOR COZ031-033-034.

HIGH WIND WATCH FROM SUNDAY MORNING THROUGH SUNDAY EVENING FOR
COZ038-042>046-048-049.

RED FLAG WARNING FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR
COZ246-247.

&&

SHORT TERM...BARJENBRUCH
LONG TERM...MEIER
AVIATION...BARJENBRUCH
FIRE WEATHER...BARJENBRUCH
Hazardous weather outlook, Apr 26, 4:42 AM MDT, 1 hour 19 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
442 AM MDT SAT APR 26 2014

COZ030>051-271045-
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-
442 AM MDT SAT APR 26 2014

...RED FLAG WARNING NOON UNTIL 8 PM TODAY FOR LINCOLN COUNTY...
...WINTER STORM WARNING FOR THE MOUNTAINS 9 PM THIS EVENING UNTIL
9 PM SUNDAY EVENING...
...WINTER WEATHER ADVISORY FOR THE HIGH MOUNTAIN VALLEYS 9 PM
THIS EVENING UNTIL 6 PM SUNDAY EVENING...
...HIGH WIND WATCH NORTHEASTERN PLAINS SUNDAY...

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

.DAY ONE...TODAY AND TONIGHT

WARM TEMPERATURES...LOW HUMIDITIES...AND GUSTY SOUTH WINDS WILL
PRODUCE HIGH FIRE DANGER TODAY WITH CRITICAL RED FLAG CONDITIONS
OCCURRING ACROSS LINCOLN COUNTY WHERE FUELS ARE DRIEST.

SHOWERS AND A FEW THUNDERSTORMS WILL DEVELOP OVER THE MOUNTAINS
THIS AFTERNOON. ANY RAIN IN THE HIGH COUNTRY WILL THEN QUICKLY
CHANGE OVER TO SNOW THIS EVENING AS COLDER AIR AND A STRONG STORM
SYSTEM MOVES INTO THE STATE. HEAVY SNOW IS EXPECTED IN THE HIGH
COUNTRY BEGINNING LATE THIS EVENING.

RAIN SHOWERS WILL BECOME MORE NUMEROUS ACROSS THE FRONT RANGE
FOOTHILLS AND ADJACENT PLAINS OVERNIGHT AS WELL...ALONG WITH A FEW
THUNDERSTORMS. THE SNOW LEVEL COULD DROP AS LOW AS 6000 FEET BY
EARLY SUNDAY MORNING.

A STRONG UPPER LEVEL STORM SYSTEM AND DEEP SURFACE LOW PRESSURE
OVER EASTERN COLORADO WILL BRING THE STORMY AND WINDY WEATHER.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

RAIN WILL SPREAD EAST ACROSS NORTHEAST COLORADO SUNDAY MORNING
WITH A FEW EMBEDDED THUNDERSTORMS. MEANWHILE...SNOW WILL PERSIST
IN THE MOUNTAINS SUNDAY AND DECREASE SUNDAY EVENING. TOTAL
SNOWFALL FOR THE SNOWFALL IS EXPECTED TO BE IN THE 7 TO 14 INCH
RANGE WITH 4 TO 8 INCHES IN THE MOUNTAIN VALLEYS. PEOPLE PLANNING
TRAVEL INTO THE COLORADO HIGH COUNTRY SHOULD BE PREPARED FOR
HAZARDOUS WINTER DRIVING CONDITIONS.

IN ADDITION TO THE RAIN SHOWERS...NORTHWEST WINDS WILL BECOME
STRONG AND GUSTY SUNDAY MORNING ACROSS NORTHEAST COLORADO WITH
GUSTS TO 60 MPH POSSIBLE.

A COLD NORTHERLY FLOW WILL PERSIST EARLY NEXT WEEK. THIS WILL
CONTINUE TO BRING GUSTY NORTHERLY WINDS WITH SCATTERED SHOWERS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.
HOWEVER...ANY REPORTS OF ACCUMULATING SNOW LATER TONIGHT WILL BE
APPRECIATED.

BARJENBRUCH/MEIER

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 4:07 AM MDTHigh Wind WatchBOUAdams, Arapahoe, Elbert, Larimer, Lincoln, Logan and 3 more41 hr
Apr 26, 6:01 AM MDTWinter 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.