Alert archive / Colorado / Winter Storm Warnings in 2013

Winter Storm Warning 5, NWS Denver/Boulder, CO

March 22, 201315 counties in Colorado

NWS Denver/Boulder, CO issued this winter storm warning at Mar 22, 2013, 6:20 AM MDT for 15 counties in Colorado. It took effect at Mar 22, 2013, 9:00 PM MDT. It was in force for 21 hr. 60 reports came from inside the area while it was in force.

The area

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

The facts

Issued
Mar 22, 2013, 6:20 AM MDT (12:20 UTC)
In effect from
Mar 22, 2013, 9:00 PM MDT
Expired
Mar 23, 2013, 6:00 PM MDT
In force
21 hr
Issued by
NWS Denver/Boulder, CO

Counties Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Denver County, CO, Douglas County, CO, Elbert County, CO, Jefferson County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO

The radar

The Denver radar (KFTG), 45 km from the middle of the area, began a volume at 12:22 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
Mar 22, 9:01 PM MDTSNOW 1Highlands Ranch, CO
Mar 22, 9:01 PM MDTSNOW 2Westminster, CO
Mar 22, 9:01 PM MDTSNOW 2.23 N Conifer, COLIGHT TO MODERATE SNOW.
Mar 22, 9:03 PM MDTSNOW 1.82 Ne Northglenn, CO
Mar 22, 10:03 PM MDTSNOW 2.24 Ene Nederland, CO
Mar 22, 10:18 PM MDTHEAVY SNOW 4.88 Se Watkins, COHEAVY SNOW
Mar 22, 10:46 PM MDTSNOW 3.71 Sse Bergen Park, CO
Mar 22, 10:51 PM MDTSNOW 44 Wsw Eldorado Springs, CO
Mar 22, 11:53 PM MDTSNOW 3.21 W Lafayette, CO
Mar 22, 11:53 PM MDTSNOW 4.53 N Conifer, CO
Mar 22, 11:56 PM MDTSNOW 3.5W Arvada, CO
Mar 23, 12:07 AM MDTSNOW 5.4Denver Intl Airport, CO
Mar 23, 12:13 AM MDTSNOW 3.82 Sse Federal Heights, CO
Mar 23, 12:58 AM MDTSNOW 3Parker, CO
Mar 23, 1:03 AM MDTHEAVY SNOW 6.43 W Jamestown, CO4.1 INCHES SINCE 8 PM.
Mar 23, 1:03 AM MDTHEAVY SNOW 6.45 Ne Ward, CO4.1 INCHES SINCE 8 PM.
Mar 23, 2:30 AM MDTSNOW 5.32 S Boulder, CO
Mar 23, 3:42 AM MDTHEAVY SNOW 6.11 Ssw Lafayette, CO
Mar 23, 4:35 AM MDTHEAVY SNOW 71 Nnw Louisville, CO
Mar 23, 4:50 AM MDTHEAVY SNOW 6.72 S Louisville, CO
Mar 23, 5:18 AM MDTHEAVY SNOW 6.54 Nw Elizabeth, CO
Mar 23, 5:21 AM MDTHEAVY SNOW 12Cope, CO
Mar 23, 5:30 AM MDTHEAVY SNOW 6.36 Nw Denver, CO
Mar 23, 5:54 AM MDTHEAVY SNOW 6.92 Wsw Boulder, CODAVID SKAGGS RESEARCH CENTER NOAA
Mar 23, 6:00 AM MDTHEAVY SNOW 7.8Denver Intl Airport, CO
Mar 23, 6:03 AM MDTSNOW 5.94 Ne Thornton, CO
Mar 23, 6:15 AM MDTSNOW 2.721 N New Raymer, CO
Mar 23, 6:20 AM MDTHEAVY SNOW 105 W Conifer, CO
Mar 23, 6:33 AM MDTSNOW 2.5Hereford, CO
Mar 23, 6:45 AM MDTSNOW 1Crook, CO
Mar 23, 6:52 AM MDTHEAVY SNOW 9.74 Ene Conifer, CO
Mar 23, 6:56 AM MDTSNOW 31 Nw Hugo, CO
Mar 23, 6:58 AM MDTHEAVY SNOW 62 N Longmont, CO
Mar 23, 7:00 AM MDTSNOW 1.5Karval, CO
Mar 23, 7:00 AM MDTSNOW 4.43 Se Brighton, CO
Mar 23, 7:00 AM MDTSNOW 5.8Holyoke, CO
Mar 23, 7:00 AM MDTHEAVY SNOW 65 Wnw Lindon, CO
Mar 23, 7:00 AM MDTHEAVY SNOW 6.3Wheat Ridge, CO
Mar 23, 7:00 AM MDTHEAVY SNOW 8.13 Nnw Lafayette, CO
Mar 23, 7:00 AM MDTHEAVY SNOW 11.210 Nw Yuma, CO
Mar 23, 7:00 AM MDTHEAVY SNOW 12.34 Wsw Thurman, CO
Mar 23, 7:02 AM MDTHEAVY SNOW 9.2Genesee, CO
Mar 23, 7:03 AM MDTHEAVY SNOW 6.32 W Wheat Ridge, CO
Mar 23, 7:05 AM MDTHEAVY SNOW 10Holyoke, CO
Mar 23, 7:06 AM MDTHEAVY SNOW 6.2Broomfield, CO
Mar 23, 7:08 AM MDTHEAVY SNOW 6.56 Nne Woodrow, CO
Mar 23, 7:20 AM MDTSNOW 5.1Franktown, CO
Mar 23, 7:27 AM MDTSNOW 5.2Ese Castle Pines, CO
Mar 23, 7:30 AM MDTSNOW 2.5Cheesman Reservoir, CO
Mar 23, 7:30 AM MDTHEAVY SNOW 6.7Lakewood, CO
Mar 23, 7:30 AM MDTHEAVY SNOW 94 Ne Pinecliffe, CO
Mar 23, 7:34 AM MDTHEAVY SNOW 8.34 Ene Nederland, CO
Mar 23, 7:34 AM MDTHEAVY SNOW 10.68 Se Watkins, CO
Mar 23, 7:35 AM MDTHEAVY SNOW 93 Ne Bergen Park, CO
Mar 23, 7:38 AM MDTHEAVY SNOW 6.4Northglenn, CO
Mar 23, 7:43 AM MDTHEAVY SNOW 7.13 Sse Aurora, CO
Mar 23, 7:45 AM MDTHEAVY SNOW 7Bennett, CO
Mar 23, 7:52 AM MDTHEAVY SNOW 6.8Brighton, CO
Mar 23, 7:55 AM MDTHEAVY SNOW 10.1Genesee, CO
Mar 23, 7:56 AM MDTSNOW 3.52 W Stoneham, 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 (KDNR), launched 12:00Z, 0.3 hours before the alert went out and 72 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 2013-03-22Temperature 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 12:00Z on 2013-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 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
1562 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
303 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.

711 
WWUS45 KBOU 221220
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
620 AM MDT FRI MAR 22 2013

...STRONG LATE WINTER STORM TAKING AIM AT COLORADO...

.A DEVELOPING WINTER STORM OVER THE PACIFIC NORTHWEST TODAY WILL
MOVE OVER NORTHERN COLORADO TONIGHT AND SATURDAY. THIS STORM WILL
BRING MUCH COLDER TEMPERATURES TO THE STATE ALONG WITH THE
SIGNIFICANT SNOWFALL AND GUSTY NORTH WINDS. AS THE STORM
APPROACHES THIS AFTERNOON...SNOW WILL DEVELOP IN THE MOUNTAINS AND
RAIN OR SNOW SHOWERS ARE EXPECTED ON THE PLAINS. SNOW WILL BECOME
WIDESPREAD OVER THE ENTIRE AREA BY LATER THIS EVENING. WINDS WILL
ALSO INCREASE ACROSS THE PLAINS ON SATURDAY WITH SPEEDS OF 30 TO
40 MPH CAUSING AREAS OF BLOWING AND DRIFTING SNOW. 

COZ042-044>046-048>051-222030-
/O.UPG.KBOU.WS.A.0005.130323T0600Z-130324T0000Z/
/O.NEW.KBOU.WS.W.0005.130323T0300Z-130324T0000Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-
PHILLIPS COUNTY-
INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES...
RAYMER...STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...
BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO...LIMON...
MATHESON...CROOK...MERINO...STERLING...PEETZ...AKRON...COPE...
LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK...AMHERST...
HAXTUN...HOLYOKE
620 AM MDT FRI MAR 22 2013

...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO 6 PM
MDT SATURDAY...

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 6 PM MDT SATURDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.

* TIMING...SNOW WILL DEVELOP THIS EVENING AND CONTINUE THROUGH
  SATURDAY...BECOMING HEAVY AT TIMES AFTER MIDNIGHT AND CONTINUE
  SATURDAY. 

* SNOW ACCUMULATIONS...2 TO 6 INCHES OF ACCUMULATION IS POSSIBLE
  BY SUNRISE SATURDAY. ANOTHER 4 TO 7 INCHES OF ACCUMULATION WILL
  BE POSSIBLE THROUGH THE DAY ON SATURDAY.

* WIND/VISIBILITY...NORTH WINDS 10 TO 20 MPH TONIGHT INCREASING
  TO 20 TO 30 MPH WITH GUSTS UP TO 45 MPH LATE SATURDAY MORNING
  AND SATURDAY AFTERNOON. BLOWING AND DRIFTING SNOW ON SATURDAY
  WILL REDUCE VISIBILITIES TO LESS THAN A HALF MILE AT TIMES.

* IMPACTS...POOR VISIBILITIES WILL MAKE TRAVEL DIFFICULT ON 
  SATURDAY AND DRIFTING SNOW MAY CAUSE SOME ROAD CLOSURES. THE 
  STRONG NORTH WINDS AND COLD TEMPERATURES WILL CAUSE DANGEROUS 
  WIND CHILL VALUES. 

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.

&&

$$
8 follow-up statements
939 
WWUS45 KBOU 221815
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1215 PM MDT FRI MAR 22 2013

...STRONG LATE WINTER STORM TAKING AIM AT COLORADO...

.A DEVELOPING WINTER STORM OVER THE IDAHO AND UTAH THIS MORNING
WILL MOVE OVER NORTHERN COLORADO TONIGHT AND SATURDAY. THIS
STORM WILL BRING MUCH COLDER TEMPERATURES TO THE STATE OVER THE
NEXT FEW DAYS ALONG WITH SIGNIFICANT SNOWFALL AND GUSTY NORTH
WINDS. AS THE STORM APPROACHES THIS AFTERNOON...SNOW WILL DEVELOP
IN THE MOUNTAINS AND RAIN OR SNOW SHOWERS ARE EXPECTED ON THE
PLAINS. DURING THE EVENING...A COLD FRONT WILL MOVE OVER THE
NORTHEAST COLORADO PLAINS...CAUSING RAIN SHOWERS TO CHANGE OVER TO
SNOW. PERIODS OF HEAVY SNOW ARE EXPECTED ON THE PLAINS LATER
TONIGHT AND SATURDAY AS THE UPPER LEVEL STORM SYSTEM MOVES TOWARD
THE CENTRAL PLAINS. WINDS WILL ALSO INCREASE ACROSS THE PLAINS ON
SATURDAY WITH SPEEDS OF 30 TO 40 MPH CAUSING AREAS OF BLOWING AND
DRIFTING SNOW AT THAT TIME.

COZ042-044>046-048>051-230215-
/O.CON.KBOU.WS.W.0005.130323T0300Z-130324T0000Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-
PHILLIPS COUNTY-
INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES...
RAYMER...STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...
BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO...LIMON...
MATHESON...CROOK...MERINO...STERLING...PEETZ...AKRON...COPE...
LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK...AMHERST...
HAXTUN...HOLYOKE
1215 PM MDT FRI MAR 22 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 6 PM MDT SATURDAY...

* TIMING...SNOW WILL DEVELOP THIS EVENING AND CONTINUE THROUGH
  SATURDAY...BECOMING HEAVY AT TIMES AFTER MIDNIGHT AND THROUGH
  SATURDAY. 

* SNOW ACCUMULATIONS...3 TO 6 INCHES OF ACCUMULATION IS POSSIBLE
  BY SUNRISE SATURDAY. ANOTHER 4 TO 7 INCHES OF ACCUMULATION WILL
  BE POSSIBLE THROUGH THE DAY ON SATURDAY.

* WIND/VISIBILITY...NORTH WINDS 10 TO 20 MPH TONIGHT INCREASING 
  TO 20 TO 30 MPH WITH GUSTS UP TO 45 MPH LATE SATURDAY MORNING 
  AND SATURDAY AFTERNOON. BLOWING AND DRIFTING SNOW ON SATURDAY 
  WILL REDUCE VISIBILITIES TO LESS THAN A HALF MILE AT TIMES. 

* IMPACTS...POOR VISIBILITIES WILL MAKE TRAVEL DIFFICULT ON
  SATURDAY AND DRIFTING SNOW MAY CAUSE SOME ROAD CLOSURES. THE
  STRONG NORTH WINDS AND COLD TEMPERATURES WILL ALSO CAUSE
  DANGEROUS WIND CHILL VALUES.

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.

&&

$$
757 
WWUS45 KBOU 222228
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
428 PM MDT FRI MAR 22 2013

...STRONG SPRING STORM TAKING AIM AT COLORADO...

.A POTENT STORM SYSTEM MOVING INTO WESTERN WYOMING AND NORTHWEST
COLORADO THIS AFTERNOON WILL MOVE OVER NORTH CENTRAL AND NORTHEAST
COLORADO TONIGHT AND SATURDAY. THIS STORM WILL BRING MUCH COLDER
TEMPERATURES TO THE STATE OVER THE NEXT FEW DAYS ALONG WITH
SIGNIFICANT SNOWFALL AND GUSTY WINDS. SNOW IS EXPECTED TO INCREASE
IN COVERAGE AND INTENSITY ALONG THE FRONT RANGE THIS EVENING...
SPREADING INTO THE NORTHEAST PLAINS LATE TONIGHT AND SATURDAY.

COZ042-044>046-048>051-230630-
/O.CON.KBOU.WS.W.0005.130323T0300Z-130324T0000Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-
PHILLIPS COUNTY-
INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES...
RAYMER...STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...
BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO...LIMON...
MATHESON...CROOK...MERINO...STERLING...PEETZ...AKRON...COPE...
LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK...AMHERST...
HAXTUN...HOLYOKE
428 PM MDT FRI MAR 22 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 6 PM MDT SATURDAY...

* TIMING...SNOW WILL DEVELOP THIS EVENING AND CONTINUE THROUGH
  SATURDAY...BECOMING HEAVY AT TIMES.

* SNOW ACCUMULATIONS...STORM TOTALS WILL RANGE FROM 7 TO 15
  INCHES BY SATURDAY EVENING.

* WIND/VISIBILITY...NORTHEAST 10 TO 20 MPH TONIGHT THEN NORTH 25
  TO 35 MPH WITH GUSTS 45 MPH ON SATURDAY AFTERNOON. 

* IMPACTS...BLOWING AND DRIFTING SNOW WILL REDUCE VISIBILITIES TO
  NEAR ZERO AT TIMES. SNOWPACKED ROADS DUE TO BLOWING AND DRIFTING
  SNOW MAY CAUSE SOME ROAD CLOSURES. THE STRONG NORTH WINDS AND
  COLD TEMPERATURES WILL ALSO CAUSE DANGEROUS WIND CHILL VALUES.

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.

&&

$$

COZ038>041-043-230630-
/O.NEW.KBOU.WW.Y.0011.130323T0300Z-130324T0000Z/
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-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND...
NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA...
BRIGHTON...CITY OF DENVER...DENVER INTERNATIONAL AIRPORT...
HIGHLANDS RANCH...LITTLETON...PARKER...CASTLE ROCK...ELBERT...
FONDIS...KIOWA...LARKSPUR...EATON...FORT LUPTON...GREELEY...
ROGGEN
428 PM MDT FRI MAR 22 2013

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

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

* TIMING...SNOW WILL INCREASE THIS EVENING...BECOMING HEAVY AT
  TIMES TONIGHT AND SATURDAY.

* SNOW ACCUMULATIONS...4 TO 8 INCHES...HEAVIEST SOUTH AND EAST OF
  DENVER.

* WIND/VISIBILITY...NORTHEAST TO NORTH WINDS 15-25 MPH WITH GUSTS
  TO 35 MPH...NORTH WINDS 15-25 MPH ON SATURDAY WITH GUSTS TO 35
  MPH.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN ONE QUARTER
  MILE DUE TO SNOW AND BLOWING SNOW. AS A RESULT...TRAVEL WILL BE
  DANGEROUS AS ROADS WILL BE SNOWPACKED DUE TO BLOWING AND
  DRIFTING SNOW.

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.

&&

$$

COZ047-230630-
/O.NEW.KBOU.WW.Y.0011.130323T0300Z-130324T0000Z/
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...FORDER...KARVAL...KUTCH...PUNKIN CENTER
428 PM MDT FRI MAR 22 2013

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

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

* TIMING...SNOW WILL INCREASE THIS EVENING...BECOMING HEAVY AT
  TIMES LATE TONIGHT AND SATURDAY.

* SNOW ACCUMULATIONS...3 TO 7 INCHES BY SATURDAY EVENING.

* WIND/VISIBILITY...EAST TO NORTHEAST 15 TO 25 MPH WITH GUSTS TO
  35 MPH TONIGHT...THEN NORTH 25 TO 40 MPH ON SATURDAY.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN ONE QUARTER
  MILE DUE TO SNOW AND BLOWING SNOW. AS A RESULT...TRAVEL WILL BE
  DANGEROUS AS ROADS WILL BE SNOWPACKED DUE TO BLOWING AND
  DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

COZ031-033-034-230630-
/O.NEW.KBOU.WW.Y.0011.130323T0300Z-130324T0000Z/
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
428 PM MDT FRI MAR 22 2013

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

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

* TIMING...SNOW WILL INCREASE THIS EVENING...BECOMING HEAVY AT
  TIMES LATE TONIGHT AND SATURDAY. 

* SNOW ACCUMULATIONS...6 TO 12 INCHES...WITH LOCALLY HIGHER
  AMOUNTS ALONG NORTH AND NORTHEAST FACING SLOPES

* WIND/VISIBILITY...WEST TO NORTHWEST 15 TO 25 MPH TONIGHT...
  NORTH TO NORTHEAST 15 TO 25 MPH ON SATURDAY.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN A QUARTER
  MILE AT TIMES. WINTER DRIVING CONDITIONS CAN BE EXPECTED WITH
  ROADS BECOMING SNOWPACKED DUE TO BLOWING AND DRIFTING SNOW.

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.

&&

$$

COZ035-036-230630-
/O.NEW.KBOU.WW.Y.0011.130323T0300Z-130324T0000Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
428 PM MDT FRI MAR 22 2013

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

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

* TIMING...SNOW WILL INCREASE THIS EVENING...BECOMING HEAVY AT
  TIMES ESPECIALLY ACROSS THE FOOTHILLS LARIMER...BOULDER AND
  NORTHERN JEFFERSON COUNTIES.

* SNOW ACCUMULATIONS...6 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS.

* WIND/VISIBILITY...NORTHEAST TO NORTH 15 TO 25 MPH TONIGHT...THEN
  NORTH 15 TO 30 MPH ON SATURDAY.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN A QUARTER
  MILE AT TIMES. WINTER DRIVING CONDITIONS CAN BE EXPECTED WITH
  ROADS BECOMING SNOWPACKED DUE TO BLOWING AND DRIFTING SNOW.

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.

&&

$$
269 
WWUS45 KBOU 230314
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
914 PM MDT FRI MAR 22 2013

...STRONG SPRING STORM TAKING AIM AT COLORADO...

.A POTENT STORM SYSTEM MOVING INTO WESTERN WYOMING AND NORTHWEST
COLORADO THIS AFTERNOON WILL MOVE OVER NORTH CENTRAL AND
NORTHEAST COLORADO TONIGHT AND SATURDAY. THIS STORM WILL BRING
MUCH COLDER TEMPERATURES TO THE STATE OVER THE NEXT FEW DAYS
ALONG WITH SIGNIFICANT SNOWFALL AND GUSTY WINDS. SNOW IS EXPECTED
TO INCREASE IN COVERAGE AND INTENSITY ALONG THE FRONT RANGE
OVERNIGHT...SPREADING INTO THE NORTHEAST PLAINS LATE TONIGHT AND
SATURDAY.


COZ042-044>046-048>051-231115-
/O.CON.KBOU.WS.W.0005.000000T0000Z-130324T0000Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-
PHILLIPS COUNTY-
INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES...
RAYMER...STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...
BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO...LIMON...
MATHESON...CROOK...MERINO...STERLING...PEETZ...AKRON...COPE...
LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK...AMHERST...
HAXTUN...HOLYOKE
914 PM MDT FRI MAR 22 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT
SATURDAY...

* TIMING...SNOW...HEAVY AT TIMES...WILL OCCUR TONIGHT THROUGH
  SATURDAY.

* SNOW ACCUMULATIONS...STORM TOTALS WILL RANGE FROM 7 TO 15 
  INCHES BY SATURDAY EVENING. 

* WIND/VISIBILITY...NORTHEAST 10 TO 25 MPH TONIGHT THEN NORTH 25
  TO 35 MPH WITH GUSTS 45 MPH ON SATURDAY.

* IMPACTS...BLOWING AND DRIFTING SNOW WILL REDUCE VISIBILITIES TO
  NEAR ZERO AT TIMES. SNOWPACKED ROADS MAY CAUSE SOME ROAD CLOSURES.
  THE STRONG NORTH WINDS AND COLD TEMPERATURES WILL ALSO CAUSE
  DANGEROUS WIND CHILL VALUES.

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.

&&

$$

COZ038>041-043-231115-
/O.CON.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
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-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND...
NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA...
BRIGHTON...CITY OF DENVER...DENVER INTERNATIONAL AIRPORT...
HIGHLANDS RANCH...LITTLETON...PARKER...CASTLE ROCK...ELBERT...
FONDIS...KIOWA...LARKSPUR...EATON...FORT LUPTON...GREELEY...
ROGGEN
914 PM MDT FRI MAR 22 2013

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

* TIMING...SNOW WILL INCREASE OVERNIGHT...BECOMING HEAVY AT TIMES
  LATE TONIGHT AND SATURDAY.

* SNOW ACCUMULATIONS...4 TO 8 INCHES...HEAVIEST SOUTH AND EAST 
  OF DENVER. 

* WIND/VISIBILITY...NORTHEAST TO NORTH WINDS 15-25 MPH...NORTH 15-25
  MPH ON SATURDAY WITH GUSTS TO 35 MPH.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN ONE 
  QUARTER MILE DUE TO SNOW AND BLOWING SNOW. AS A RESULT...
  TRAVEL WILL BE DANGEROUS AS ROADS WILL BE SNOWPACKED DUE TO 
  BLOWING AND DRIFTING SNOW. 

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.

&&

$$

COZ047-231115-
/O.CON.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...FORDER...KARVAL...KUTCH...PUNKIN CENTER
914 PM MDT FRI MAR 22 2013

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

* TIMING...SNOW WILL BECOME HEAVY AT TIMES LATE TONIGHT AND
  SATURDAY.

* SNOW ACCUMULATIONS...3 TO 7 INCHES BY SATURDAY EVENING.

* WIND/VISIBILITY...EAST TO NORTHEAST 15 TO 25 MPH TONIGHT...THEN
  NORTH 25 TO 40 MPH ON SATURDAY.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN ONE 
  QUARTER MILE DUE TO SNOW AND BLOWING SNOW. AS A RESULT...
  TRAVEL WILL BE DANGEROUS AS ROADS WILL BE SNOWPACKED DUE TO 
  BLOWING AND DRIFTING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

COZ031-033-034-231115-
/O.CON.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
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
914 PM MDT FRI MAR 22 2013

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

* TIMING...SNOW WILL INCREASE OVERNIGHT...BECOMING HEAVY AT TIMES
  LATE TONIGHT AND SATURDAY.

* SNOW ACCUMULATIONS...6 TO 12 INCHES...WITH LOCALLY HIGHER 
  AMOUNTS ALONG NORTH AND NORTHEAST FACING SLOPES 

* WIND/VISIBILITY...WEST TO NORTHWEST 15 TO 25 MPH TONIGHT... 
  NORTH TO NORTHEAST 15 TO 25 MPH ON SATURDAY. 

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN A QUARTER 
  MILE AT TIMES. WINTER DRIVING CONDITIONS CAN BE EXPECTED WITH 
  ROADS BECOMING SNOWPACKED DUE TO BLOWING AND DRIFTING SNOW. 

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.

&&

$$

COZ035-036-231115-
/O.CON.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
914 PM MDT FRI MAR 22 2013

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

* TIMING...SNOW WILL INCREASE OVERNIGHT...BECOMING HEAVY AT TIMES
  ESPECIALLY ACROSS THE FOOTHILLS LARIMER...BOULDER AND NORTHERN
  JEFFERSON COUNTIES.

* SNOW ACCUMULATIONS...6 TO 12 INCHES WITH LOCALLY HIGHER 
  AMOUNTS.

* WIND/VISIBILITY...NORTHEAST TO NORTH 15 TO 25 MPH TONIGHT... 
  THEN NORTH 15 TO 30 MPH ON SATURDAY. 

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN A QUARTER 
  MILE AT TIMES. WINTER DRIVING CONDITIONS CAN BE EXPECTED WITH 
  ROADS BECOMING SNOWPACKED DUE TO BLOWING AND DRIFTING SNOW. 

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.

&&

$$
023 
WWUS45 KBOU 230341
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
941 PM MDT FRI MAR 22 2013

...STRONG SPRING STORM TAKING AIM AT COLORADO...

.A POTENT STORM SYSTEM OVER WESTERN WYOMING AND NORTHWEST
COLORADO THIS EVENING WILL MOVE OVER NORTH CENTRAL AND NORTHEAST
COLORADO LATE TONIGHT AND SATURDAY. THIS STORM WILL BRING MUCH
COLDER TEMPERATURES TO THE STATE OVER THE NEXT FEW DAYS ALONG WITH
SIGNIFICANT SNOWFALL AND GUSTY WINDS. SNOW IS EXPECTED TO INCREASE
IN COVERAGE AND INTENSITY ALONG THE FRONT RANGE...URBAN CORRIDOR
AND NORTHEAST PLAINS TONIGHT AND SATURDAY.

COZ039>041-043-231145-
/O.UPG.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
/O.EXA.KBOU.WS.W.0005.000000T0000Z-130324T0000Z/
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD...
LONGMONT...AURORA...BRIGHTON...CITY OF DENVER...
DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON...
PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR...
EATON...FORT LUPTON...GREELEY...ROGGEN
941 PM MDT FRI MAR 22 2013

...WINTER STORM WARNING IN EFFECT UNTIL 6 PM MDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM
WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 6 PM
MDT SATURDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

* TIMING...SNOW...HEAVY AT TIMES...WILL OCCUR TONIGHT THROUGH LATE
  SATURDAY AFTERNOON.

* SNOW ACCUMULATIONS...6 TO 12 INCHES.

* WIND/VISIBILITY...NORTHEAST TO NORTH 15 TO 25 MPH...NORTH 15 TO
  25 MPH ON SATURDAY WITH GUSTS TO 35 MPH.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN ONE 
  QUARTER MILE DUE TO SNOW AND BLOWING SNOW. AS A RESULT... 
  TRAVEL WILL BE DANGEROUS AS ROADS WILL BE SNOWPACKED DUE TO 
  BLOWING AND DRIFTING SNOW. 

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.

&&

$$

COZ042-044>046-048>051-231145-
/O.CON.KBOU.WS.W.0005.000000T0000Z-130324T0000Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-
PHILLIPS COUNTY-
INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES...
RAYMER...STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...
BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO...LIMON...
MATHESON...CROOK...MERINO...STERLING...PEETZ...AKRON...COPE...
LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK...AMHERST...
HAXTUN...HOLYOKE
941 PM MDT FRI MAR 22 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT
SATURDAY...

* TIMING...SNOW...HEAVY AT TIMES...WILL OCCUR TONIGHT THROUGH 
  SATURDAY. 

* SNOW ACCUMULATIONS...STORM TOTALS WILL RANGE FROM 7 TO 15 
  INCHES BY SATURDAY EVENING. 

* WIND/VISIBILITY...NORTHEAST 10 TO 25 MPH TONIGHT THEN NORTH 25 
  TO 35 MPH WITH GUSTS 45 MPH ON SATURDAY. 

* IMPACTS...BLOWING AND DRIFTING SNOW WILL REDUCE VISIBILITIES 
  TO NEAR ZERO AT TIMES. SNOWPACKED ROADS MAY CAUSE SOME ROAD 
  CLOSURES. THE STRONG NORTH WINDS AND COLD TEMPERATURES WILL 
  ALSO CAUSE DANGEROUS WIND CHILL VALUES. 

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.

&&

$$

COZ038-231145-
/O.CON.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND...
NUNN
941 PM MDT FRI MAR 22 2013

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

* TIMING...SNOW WILL INCREASE OVERNIGHT...BECOMING HEAVY AT 
  TIMES LATE TONIGHT AND SATURDAY. 

* SNOW ACCUMULATIONS...4 TO 8 INCHES...HEAVIEST SOUTH AND EAST 
  OF DENVER. 

* WIND/VISIBILITY...NORTHEAST TO NORTH WINDS 15-25 MPH...NORTH 
  15- 25 MPH ON SATURDAY WITH GUSTS TO 35 MPH. 

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN ONE 
  QUARTER MILE DUE TO SNOW AND BLOWING SNOW. AS A RESULT... 
  TRAVEL WILL BE DANGEROUS AS ROADS WILL BE SNOWPACKED DUE TO 
  BLOWING AND DRIFTING SNOW. 

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.

&&

$$

COZ047-231145-
/O.CON.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...FORDER...KARVAL...KUTCH...PUNKIN CENTER
941 PM MDT FRI MAR 22 2013

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

* TIMING...SNOW WILL BECOME HEAVY AT TIMES LATE TONIGHT AND 
  SATURDAY. 

* SNOW ACCUMULATIONS...3 TO 7 INCHES BY SATURDAY EVENING.

* WIND/VISIBILITY...EAST TO NORTHEAST 15 TO 25 MPH TONIGHT...
  THEN NORTH 25 TO 40 MPH ON SATURDAY. 

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN ONE 
  QUARTER MILE DUE TO SNOW AND BLOWING SNOW. AS A RESULT... 
  TRAVEL WILL BE DANGEROUS AS ROADS WILL BE SNOWPACKED DUE TO 
  BLOWING AND DRIFTING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

COZ031-033-034-231145-
/O.CON.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
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
941 PM MDT FRI MAR 22 2013

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

* TIMING...SNOW WILL INCREASE OVERNIGHT...BECOMING HEAVY AT 
  TIMES LATE TONIGHT AND SATURDAY. 

* SNOW ACCUMULATIONS...6 TO 12 INCHES...WITH LOCALLY HIGHER 
  AMOUNTS ALONG NORTH AND NORTHEAST FACING SLOPES 

* WIND/VISIBILITY...WEST TO NORTHWEST 15 TO 25 MPH TONIGHT... 
  NORTH TO NORTHEAST 15 TO 25 MPH ON SATURDAY. 

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN A QUARTER 
  MILE AT TIMES. WINTER DRIVING CONDITIONS CAN BE EXPECTED WITH 
  ROADS BECOMING SNOWPACKED DUE TO BLOWING AND DRIFTING SNOW. 

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.

&&

$$

COZ035-036-231145-
/O.CON.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
941 PM MDT FRI MAR 22 2013

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

* TIMING...SNOW WILL INCREASE OVERNIGHT...BECOMING HEAVY AT 
  TIMES ESPECIALLY ACROSS THE FOOTHILLS LARIMER...BOULDER AND 
  NORTHERN JEFFERSON COUNTIES. 

* SNOW ACCUMULATIONS...6 TO 12 INCHES WITH LOCALLY HIGHER 
  AMOUNTS. 

* WIND/VISIBILITY...NORTHEAST TO NORTH 15 TO 25 MPH TONIGHT... 
  THEN NORTH 15 TO 30 MPH ON SATURDAY. 

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN A QUARTER 
  MILE AT TIMES. WINTER DRIVING CONDITIONS CAN BE EXPECTED WITH 
  ROADS BECOMING SNOWPACKED DUE TO BLOWING AND DRIFTING SNOW. 

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.

&&

$$
809 
WWUS45 KBOU 231110
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
510 AM MDT SAT MAR 23 2013

...STRONG SPRING STORM BRINGING HEAVY SNOW TO PORTIONS OF
COLORADO...

.A POTENT STORM SYSTEM OVER WESTERN COLORADO WILL MOVE SOUTHEAST
INTO SOUTHEAST COLORADO BY THIS AFTERNOON. THIS STORM WILL BRING
SNOW AND MUCH COLDER TEMPERATURES TO THE REGION...ALONG WITH
HAZARDOUS TRAVEL CONDITIONS. NEAR BLIZZARD CONDITIONS WILL BE
POSSIBLE OVER THE EASTERN PLAINS OF COLORADO WHERE NORTH WINDS
WILL GUST TO AROUND 45 MPH LATER THIS MORNING INTO THE AFTERNOON.
ROAD CLOSURES EAST OF DENVER WILL BE POSSIBLE ESPECIALLY IN AREAS
THAT SEE THE HEAVIEST SNOW ACCUMULATIONS.

COZ044>046-049-051-231915-
/O.CON.KBOU.WS.W.0005.000000T0000Z-130324T0000Z/
MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-WASHINGTON COUNTY-PHILLIPS COUNTY-
INCLUDING THE CITIES OF...BRUSH...FORT MORGAN...GOODRICH...
WIGGINS...BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO...
LIMON...MATHESON...AKRON...COPE...LAST CHANCE...OTIS...AMHERST...
HAXTUN...HOLYOKE
510 AM MDT SAT MAR 23 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH MID
  AFTERNOON. THE SNOW WILL THEN BEGIN TO TAPER OFF LATE THIS
  AFTERNOON.

* SNOW ACCUMULATIONS...STORM TOTALS WILL RANGE FROM 9 TO 16
  INCHES BY SATURDAY EVENING.

* WIND/VISIBILITY...NORTH WINDS 25 TO 35 MPH WITH GUSTS AROUND 45
  MPH. VISIBILITIES WILL BE REDUCED TO ONE QUARTER MILE OR LESS
  DUE TO HEAVY FALLING AND/OR BLOWING SNOW. BRIEF WHITEOUT
  CONDITIONS WILL BE POSSIBLE IN OPEN AREAS.

* IMPACTS...BLOWING AND DRIFTING SNOW WILL SEVERELY REDUCE
  VISIBILITIES AND CREATE HAZARDOUS AND SLOW DRIVING WITH NEAR
  BLIZZARD CONDITIONS. ROAD CLOSURES ARE A DISTINCT POSSIBILITY.
  THE STRONG NORTH WINDS AND COLD TEMPERATURES WILL ALSO CAUSE
  DANGEROUS WIND CHILL VALUES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS IF NOT
IMPOSSIBLE. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

COZ039>041-043-231915-
/O.CON.KBOU.WS.W.0005.000000T0000Z-130324T0000Z/
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD...
LONGMONT...AURORA...BRIGHTON...CITY OF DENVER...
DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON...
PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR...
EATON...FORT LUPTON...GREELEY...ROGGEN
510 AM MDT SAT MAR 23 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* TIMING...SNOW WILL CONTINUE THROUGH EARLY AFTERNOON. A GRADUAL
  DECREASE OF SNOW IS EXPECTED BY MID TO LATE AFTERNOON.

* SNOW ACCUMULATIONS...6 TO 12 INCHES...EXCEPT 4 TO 7 INCHES
  CLOSER TO GREELEY.

* WIND...NORTH 15 TO 25 MPH WITH GUSTS TO 35 MPH EAST OF I-25.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN ONE QUARTER
  MILE AT TIMES DUE TO SNOW AND BLOWING SNOW. AS A RESULT...
  TRAVEL WILL BE DANGEROUS AS ROADS WILL BE SNOWPACKED DUE TO
  BLOWING AND DRIFTING SNOW. ROAD CONDITIONS MAY IMPROVE THIS
  AFTERNOON AS SNOW INTENSITY DECREASES.

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.

&&

$$

COZ042-048-050-231915-
/O.CON.KBOU.WS.W.0005.000000T0000Z-130324T0000Z/
NORTHEAST WELD COUNTY-LOGAN COUNTY-SEDGWICK COUNTY-
INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES...
RAYMER...STONEHAM...CROOK...MERINO...STERLING...PEETZ...
JULESBURG...OVID...SEDGWICK
510 AM MDT SAT MAR 23 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH EARLY
  AFTERNOON. A GRADUAL DECREASE OF SNOW IS EXPECTED BY LATE
  AFTERNOON.

* SNOW ACCUMULATIONS...6 TO 10 INCHES.

* WIND...NORTH 20 TO 30 MPH WITH GUSTS TO 40 MPH.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN ONE QUARTER
  MILE AT TIMES DUE TO SNOW AND BLOWING SNOW. AS A RESULT...
  TRAVEL WILL BE DANGEROUS AND ROAD CLOSURES ARE POSSIBLE. ROADS
  WILL BE SNOWPACKED DUE TO BLOWING AND DRIFTING SNOW.

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.

&&

$$

COZ038-231915-
/O.CON.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND...
NUNN
510 AM MDT SAT MAR 23 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* TIMING...SNOW WILL CONTINUE THROUGH THE NOON HOUR AND THEN
  GRADUALLY DECREASE THIS AFTERNOON.

* SNOW ACCUMULATIONS...3 TO 6 INCHES.

* WIND...NORTH 15-25 MPH WITH GUSTS TO 35 MPH.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN ONE MILE AT
  TIMES DUE TO SNOW AND BLOWING SNOW. ROADS WILL BE
  SNOWPACKED...ICY...OR SLUSHY THROUGH EARLY AFTERNOON.

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.

&&

$$

COZ047-231915-
/O.CON.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...FORDER...KARVAL...KUTCH...PUNKIN CENTER
510 AM MDT SAT MAR 23 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* TIMING...SNOW WILL CONTINUE THROUGH THIS AFTERNOON.

* SNOW ACCUMULATIONS...3 TO 6 INCHES BY SATURDAY EVENING.

* WIND...NORTH 20 TO 30 MPH WITH GUSTS INCREASING TO 45 MPH BY
  LATE MORNING.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN ONE QUARTER
  MILE DUE TO SNOW AND BLOWING SNOW. TRAVEL WILL BE DANGEROUS AS
  ROADS WILL BE SNOWPACKED DUE TO BLOWING AND DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

COZ031-033-034-231915-
/O.CON.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
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
510 AM MDT SAT MAR 23 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* TIMING...SNOW WILL CONTINUE THROUGH THIS AFTERNOON.

* SNOW ACCUMULATIONS...6 TO 12 INCHES...WITH THE HEAVIER AMOUNTS
  ON THE EASTERN SLOPE OF THE FRONT RANGE.

* WIND...NORTH 10 TO 20 MPH.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN A QUARTER
  MILE AT TIMES. WINTER DRIVING CONDITIONS CAN BE EXPECTED WITH
  SNOWPACKED ROADS AND REDUCED VISIBILITIES. CHAIN LAWS WILL
  LIKELY BE IN EFFECT 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.

&&

$$

COZ035-036-231915-
/O.CON.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
510 AM MDT SAT MAR 23 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* TIMING...SNOW WILL CONTINUE TODAY...BUT GRADUALLY DECREASE BY
  MID AFTERNOON.

* SNOW ACCUMULATIONS...6 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS.

* WIND/VISIBILITY...NORTH WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH
  ON EXPOSED RIDGES.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN A QUARTER
  MILE AT TIMES DUE TO FALLING AND/OR BLOWING SNOW. HAZARDOUS WINTER
  DRIVING CONDITIONS CAN BE EXPECTED WITH SNOWPACKED AND ICY
  ROADS.

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.

&&

$$
898 
WWUS45 KBOU 231605
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1005 AM MDT SAT MAR 23 2013

...STRONG SPRING STORM BRINGING HEAVY SNOW TO PORTIONS OF
COLORADO...

.A POTENT STORM SYSTEM OVER EASTERN COLORADO WILL MOVE EAST
INTO WESTERN KANSAS BY EARLY THIS EVENING. THIS STORM WILL BRING
SNOW AND MUCH COLDER TEMPERATURES TO THE REGION...ALONG WITH
HAZARDOUS TRAVEL CONDITIONS. NEAR BLIZZARD CONDITIONS WILL OCCUR
OVER THE EASTERN PLAINS OF COLORADO WHERE NORTH WINDS WILL GUST
TO AROUND 40 MPH THROUGH THE AFTERNOON. ROAD CLOSURES EAST OF
DENVER WILL BE POSSIBLE ESPECIALLY IN AREAS THAT SEE THE HEAVIEST
SNOW ACCUMULATIONS.

COZ044>046-049-051-240000-
/O.CON.KBOU.WS.W.0005.000000T0000Z-130324T0000Z/
MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-WASHINGTON COUNTY-PHILLIPS COUNTY-
INCLUDING THE CITIES OF...BRUSH...FORT MORGAN...GOODRICH...
WIGGINS...BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO...
LIMON...MATHESON...AKRON...COPE...LAST CHANCE...OTIS...AMHERST...
HAXTUN...HOLYOKE
1005 AM MDT SAT MAR 23 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH MID 
  AFTERNOON. THE SNOW WILL THEN BEGIN TO TAPER OFF LATE THIS 
  AFTERNOON. 

* SNOW ACCUMULATIONS...STORM TOTALS WILL RANGE FROM 10 TO 16
  INCHES BY SATURDAY EVENING.

* WIND/VISIBILITY...NORTH WINDS 20 TO 30 MPH WITH GUSTS AROUND 40 MPH.
  VISIBILITIES WILL BE REDUCED TO ONE QUARTER MILE OR LESS DUE TO
  HEAVY FALLING AND/OR BLOWING SNOW. BRIEF WHITEOUT CONDITIONS
  WILL BE POSSIBLE IN OPEN AREAS.

* IMPACTS...BLOWING AND DRIFTING SNOW WILL SEVERELY REDUCE 
  VISIBILITIES AND CREATE HAZARDOUS AND SLOW DRIVING WITH NEAR 
  BLIZZARD CONDITIONS. ROAD CLOSURES ARE A DISTINCT POSSIBILITY. 
  THE STRONG NORTH WINDS AND COLD TEMPERATURES WILL ALSO CAUSE 
  DANGEROUS WIND CHILL VALUES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS IF NOT
IMPOSSIBLE. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...
KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN
CASE OF AN EMERGENCY.

&&

$$

COZ039>041-043-240000-
/O.CON.KBOU.WS.W.0005.000000T0000Z-130324T0000Z/
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD...
LONGMONT...AURORA...BRIGHTON...CITY OF DENVER...
DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON...
PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR...
EATON...FORT LUPTON...GREELEY...ROGGEN
1005 AM MDT SAT MAR 23 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* TIMING...SNOW WILL CONTINUE THROUGH EARLY AFTERNOON. A GRADUAL 
  DECREASE OF SNOW IS EXPECTED BY MID TO LATE AFTERNOON. 

* SNOW ACCUMULATIONS...8 TO 14 INCHES...EXCEPT 4 TO 8 INCHES
  CLOSER TO GREELEY.

* WIND...NORTH 15 TO 25 MPH WITH GUSTS TO 35 MPH EAST OF I-25.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN ONE 
  QUARTER MILE AT TIMES DUE TO SNOW AND BLOWING SNOW. AS A 
  RESULT... TRAVEL WILL BE DANGEROUS AS ROADS WILL BE SNOWPACKED 
  DUE TO BLOWING AND DRIFTING SNOW. ROAD CONDITIONS MAY IMPROVE 
  THIS AFTERNOON AS SNOW INTENSITY DECREASES. 

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.

&&

$$

COZ042-048-050-240000-
/O.CON.KBOU.WS.W.0005.000000T0000Z-130324T0000Z/
NORTHEAST WELD COUNTY-LOGAN COUNTY-SEDGWICK COUNTY-
INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES...
RAYMER...STONEHAM...CROOK...MERINO...STERLING...PEETZ...
JULESBURG...OVID...SEDGWICK
1005 AM MDT SAT MAR 23 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH EARLY 
  AFTERNOON. A GRADUAL DECREASE OF SNOW IS EXPECTED BY LATE 
  AFTERNOON. 

* SNOW ACCUMULATIONS...6 TO 10 INCHES.

* WIND...NORTH 20 TO 30 MPH WITH GUSTS TO 40 MPH.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN ONE 
  QUARTER MILE AT TIMES DUE TO SNOW AND BLOWING SNOW. AS A 
  RESULT... TRAVEL WILL BE DANGEROUS AND ROAD CLOSURES ARE 
  POSSIBLE. ROADS WILL BE SNOWPACKED DUE TO BLOWING AND DRIFTING 
  SNOW. 

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.

&&

$$

COZ038-240000-
/O.CON.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND...
NUNN
1005 AM MDT SAT MAR 23 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* TIMING...SNOW WILL CONTINUE THROUGH THE NOON HOUR AND THEN 
  GRADUALLY DECREASE THIS AFTERNOON. 

* SNOW ACCUMULATIONS...4 TO 8 INCHES WITH THE HIGHEST AMOUNTS OVER
  SOUTHEAST LARIMER COUNTY.

* WIND...NORTH 15-25 MPH WITH GUSTS TO 35 MPH.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN ONE MILE 
  AT TIMES DUE TO SNOW AND BLOWING SNOW. ROADS WILL BE 
  SNOWPACKED...ICY...OR SLUSHY THROUGH EARLY AFTERNOON. 

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.

&&

$$

COZ047-240000-
/O.CON.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...FORDER...KARVAL...KUTCH...PUNKIN CENTER
1005 AM MDT SAT MAR 23 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* TIMING...SNOW WILL CONTINUE THROUGH THIS AFTERNOON.

* SNOW ACCUMULATIONS...4 TO 8 INCHES BY SATURDAY EVENING.

* WIND...NORTH 20 TO 30 MPH WITH GUSTS TO 45 MPH.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN ONE 
  QUARTER MILE DUE TO SNOW AND BLOWING SNOW. TRAVEL WILL BE 
  DANGEROUS AS ROADS WILL BE SNOWPACKED DUE TO BLOWING AND 
  DRIFTING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

COZ031-033-034-240000-
/O.CON.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
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
1005 AM MDT SAT MAR 23 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* TIMING...SNOW WILL CONTINUE THROUGH THIS AFTERNOON.

* SNOW ACCUMULATIONS...6 TO 12 INCHES...WITH THE HEAVIER AMOUNTS 
  ON THE EASTERN SLOPE OF THE FRONT RANGE. 

* WIND...NORTH 10 TO 20 MPH.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN A QUARTER 
  MILE AT TIMES. WINTER DRIVING CONDITIONS CAN BE EXPECTED WITH 
  SNOWPACKED ROADS AND REDUCED VISIBILITIES. CHAIN LAWS WILL 
  LIKELY BE IN EFFECT 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.

&&

$$

COZ035-036-240000-
/O.CON.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
1005 AM MDT SAT MAR 23 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* TIMING...SNOW WILL CONTINUE TODAY...BUT GRADUALLY DECREASE BY 
  MID TO LATE AFTERNOON. 

* SNOW ACCUMULATIONS...6 TO 12 INCHES WITH LOCALLY HIGHER 
  AMOUNTS.

* WIND/VISIBILITY...NORTH WINDS 10 TO 20 MPH WITH GUSTS TO 30 
  MPH ON EXPOSED RIDGES. 

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN A QUARTER 
  MILE AT TIMES DUE TO FALLING AND/OR BLOWING SNOW. HAZARDOUS 
  WINTER DRIVING CONDITIONS CAN BE EXPECTED WITH SNOWPACKED AND 
  ICY ROADS. 

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.

&&

$$
737 
WWUS45 KBOU 232133
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
333 PM MDT SAT MAR 23 2013

...SNOW DECREASING OVER NORTHERN COLORADO...

.A STORM SYSTEM OVER EASTERN COLORADO WAS MOVING EAST INTO
WESTERN KANSAS LATE THIS AFTERNOON WITH SNOW DECREASING ACROSS THE
AREA. NEAR BLIZZARD CONDITIONS WILL STILL BE POSSIBLE OVER THE
EASTERN PLAINS OF COLORADO WHERE NORTH WINDS WILL GUST TO AROUND
35 MPH THROUGH 6 PM BEFORE DECREASING. 

COZ039-040-042-043-048-050-051-232245-
/O.CAN.KBOU.WS.W.0005.000000T0000Z-130324T0000Z/
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-NORTHEAST WELD COUNTY-
CENTRAL AND SOUTH WELD COUNTY-LOGAN COUNTY-SEDGWICK COUNTY-
PHILLIPS COUNTY-
INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD...
LONGMONT...AURORA...BRIGHTON...CITY OF DENVER...
DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON...
PARKER...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...
STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN...CROOK...
MERINO...STERLING...PEETZ...JULESBURG...OVID...SEDGWICK...
AMHERST...HAXTUN...HOLYOKE
333 PM MDT SAT MAR 23 2013

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER
STORM WARNING. 

ONLY SOME LIGHT SNOW WILL LINGER OVER THE AREA THROUGH EARLY
EVENING WITH ADDITIONAL ACUMMULATIONS LESS THAN AN INCH.

$$

COZ031-033>036-038-232245-
/O.CAN.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
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-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-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
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...ESTES PARK...GLENDEVEY...
NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY...
EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK...
FORT COLLINS...HEREFORD...LOVELAND...NUNN
333 PM MDT SAT MAR 23 2013

...WINTER WEATHER ADVISORY IS CANCELLED...

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

SOME LIGHT SNOW WILL CONTINUE IN THE MOUNTAINS THIS EVENING WITH
ADDITIONAL ACCUMULATIONS OF 1 TO 2 INCHES.

$$

COZ044>046-049-240000-
/O.CON.KBOU.WS.W.0005.000000T0000Z-130324T0000Z/
MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-WASHINGTON COUNTY-
INCLUDING THE CITIES OF...BRUSH...FORT MORGAN...GOODRICH...
WIGGINS...BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO...
LIMON...MATHESON...AKRON...COPE...LAST CHANCE...OTIS
333 PM MDT SAT MAR 23 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* TIMING...SNOW WILL CONTINUE TO DECREASE THROUGH 6 PM. 

* SNOW ACCUMULATIONS...UP TO ONE INCH.

* WIND/VISIBILITY...NORTH WINDS 15 TO 25 MPH WITH GUSTS AROUND 35
  MPH UNTIL 6 PM. VISIBILITIES WILL BE REDUCED TO ONE QUARTER MILE
  OR LESS DUE TO BLOWING SNOW. BRIEF WHITEOUT CONDITIONS WILL BE
  POSSIBLE IN OPEN AREAS.

* IMPACTS...BLOWING AND DRIFTING SNOW WILL SEVERELY REDUCE 
  VISIBILITIES AND CREATE HAZARDOUS AND SLOW DRIVING WITH NEAR 
  BLIZZARD CONDITIONS. ROAD CLOSURES ARE A DISTINCT POSSIBILITY. 
  THE STRONG NORTH WINDS AND COLD TEMPERATURES WILL ALSO CAUSE 
  DANGEROUS WIND CHILL VALUES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS IF NOT
IMPOSSIBLE. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...
KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN
CASE OF AN EMERGENCY.

&&

$$

COZ041-240000-
/O.CON.KBOU.WS.W.0005.000000T0000Z-130324T0000Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...FONDIS...KIOWA...
LARKSPUR
333 PM MDT SAT MAR 23 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* TIMING...SNOW WILL GRADUALLY DECREASE THROUGH 6 PM. 

* SNOW ACCUMULATIONS...UP TO ONE INCH.

* WIND...NORTH 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN ONE QUARTER
  MILE AT TIMES DUE TO SNOW AND BLOWING SNOW. AS A RESULT...
  TRAVEL WILL BE DANGEROUS AS ROADS WILL BE SNOWPACKED DUE TO
  BLOWING AND DRIFTING SNOW. 

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.

&&

$$

COZ047-240000-
/O.CON.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...FORDER...KARVAL...KUTCH...PUNKIN CENTER
333 PM MDT SAT MAR 23 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* TIMING...SNOW WILL CONTINUE THROUGH EARLY EVENING.

* SNOW ACCUMULATIONS...UP TO ONE INCH.

* WIND...NORTH 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* IMPACTS...VISIBILITIES WILL BE REDUCED TO LESS THAN ONE 
  QUARTER MILE DUE TO SNOW AND BLOWING SNOW. TRAVEL WILL BE 
  DANGEROUS AS ROADS WILL BE SNOWPACKED DUE TO BLOWING AND 
  DRIFTING SNOW. 

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.

&&

$$
462 
WWUS45 KBOU 232349
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
549 PM MDT SAT MAR 23 2013

COZ044>046-049-240100-
/O.EXP.KBOU.WS.W.0005.000000T0000Z-130324T0000Z/
MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-WASHINGTON COUNTY-
INCLUDING THE CITIES OF...BRUSH...FORT MORGAN...GOODRICH...
WIGGINS...BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO...
LIMON...MATHESON...AKRON...COPE...LAST CHANCE...OTIS
549 PM MDT SAT MAR 23 2013

...WINTER STORM WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING...

LIGHT SNOW WILL CONTINUE TO DECREASE AND COME TO AN END DURING THE
EARLY EVENING HOURS. ANY ADDITIONAL SNOW ACCUMULATION WILL BE
LIGHT. NORTH WINDS OF 20 TO 35 MPH WILL CONTINUE TO PRODUCE AREAS
OF BLOWING AND DRIFTING SNOW THROUGH EARLY EVENING. MANY ROADS
REMAIN ICY AND SNOWPACKED...IF TRAVELING SLOW DOWN AND USE
CAUTION.

$$

COZ041-240100-
/O.EXP.KBOU.WS.W.0005.000000T0000Z-130324T0000Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...FONDIS...KIOWA...
LARKSPUR
549 PM MDT SAT MAR 23 2013

...WINTER STORM WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING...

LIGHT SNOW WILL CONTINUE TO DECREASE AND COME TO AN END DURING THE
EARLY EVENING HOURS. ANY ADDITIONAL SNOW ACCUMULATION WILL BE
LIGHT. NORTH WINDS OF 15 TO 30 MPH WILL CONTINUE TO PRODUCE AREAS
OF BLOWING AND DRIFTING SNOW THROUGH EARLY EVENING. MANY ROADS
REMAIN ICY AND SNOWPACKED...IF TRAVELING SLOW DOWN AND USE
CAUTION.

$$

COZ047-240100-
/O.EXP.KBOU.WW.Y.0011.000000T0000Z-130324T0000Z/
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...FORDER...KARVAL...KUTCH...PUNKIN CENTER
549 PM MDT SAT MAR 23 2013

...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING...

LIGHT SNOW WILL CONTINUE TO DECREASE AND COME TO AN END DURING THE
EARLY EVENING HOURS. ANY ADDITIONAL SNOW ACCUMULATION WILL BE
LIGHT. NORTH WINDS OF 20 TO 35 MPH WILL CONTINUE TO PRODUCE AREAS
OF BLOWING AND DRIFTING SNOW THROUGH EARLY EVENING. IF TRAVELING
SLOW DOWN AND USE CAUTION.

$$

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 Mar 22, 6:01 AM MDT, 19 minutes earlier.

Area forecast discussion, Mar 22, 6:01 AM MDT, 19 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
601 AM MDT FRI MAR 22 2013

.UPDATE...

&&

.AVIATION...A LOWER STRATUS DECK HAS DEVELOPED OVER THE PALMER
DIVIDE AND HAS SLOWLY SHIFTED FURTHER NORTH INTO THE DENVER AREA...
INCLUDING THE LOCAL TERMINALS. NOT SURE HOW LONG THIS WILL LAST
BUT WITH INCREASING ASCENT MOVING IN AHEAD OF THE MAIN TROF MAY
HAVE A LOWER CLOUD DECK FOR MOST OF THE DAY.

&&

.PREV DISCUSSION... /ISSUED 347 AM MDT FRI MAR 22 2013/

SHORT TERM...AS USUAL ANOTHER COMPLICATED FORECAST WITH THE NEXT
INCOMING STORM GATHERING OVER THE NORTHERN ROCKY MOUNTAIN REGION.
MAIN CONCERN THROUGH TONIGHT WILL BE SNOWFALL POTENTIAL OVER THE
ENTIRE AREA AND HOW TO HANDLE CURRENT WINTER STORM WATCH HILITES
IN PLACE.

CURRENTLY THE STORM DOESN'T LOOK LIKE MUCH BUT CERTAINLY QUITE A
BIT OF COLD AIR GIVEN THE IR SATELLITE CU FIELDS OFF THE PACIFIC
NORTHWEST. THERE IS ALSO A 120KT JET STREAK DIVING DOWN THE BACK
SIDE OF THE TROF OVER THE PACIFIC NORTHWEST. THE DEVELOPING LOW IS
EXPECTED TO SHOW SOME AMPLIFICATION AS IT MOVES INTO NORTHWEST
COLORADO TONIGHT WITH IMPRESSIVE QG ASCENT WITH THE MAX LIFT GOING
RIGHT ACROSS NORTHERN COLORADO. ALSO WITH THE COLD AIR...LAPSE
RATES STEEPEN THROUGH THE PERIOD. THERE IS STILL THE QUESTION ON
HOW MUCH LOW LEVEL UPSLOPE FLOW DEVELOPS WITH THIS RATHER
PROGRESSIVE MOVING SYSTEM. TYPICALLY WITH THIS KIND OF SYSTEM
THERE IS A SHORT PERIOD OF POSSIBLE MODERATE TO HEAVY SNOW AND
THEN QUICKLY MOVES OUT. MODELS ARE REALLY PUTTING OUT SOME HIGH
QPF NUMBERS SO GIVEN THE MOISTURE SOURCE AND QUICKNESS HAVE A HARD
TIME BELIEVING THE QPF WILL BE THAT HIGH. AS WITH THE LAST STORM
HERE...QPF NUMBERS FROM THE MODELS WERE WAY OVERDONE. MORE
CONFIDENT ON HEAVY SNOWFALL OVER THE PLAINS WHERE CURRENT WATCH IS
IN PLACE AND PLAN TO UPGRADE THIS TO A WARNING. HAVE ALSO MOVED UP
THE TIMING TO START AT 03Z INSTEAD OF 06Z TONIGHT.

STILL A QUESTION ON WHAT TO DO FURTHER WEST ALONG THE FOOTHILLS
AND URBAN CORRIDOR. AT THIS TIME...EXPECT POSSIBLE ADVISORY TYPE
SNOWFALL AMOUNTS...ESPECIALLY IN THE BOULDER AND DENVER AREA AND
LESSER AMOUNTS FURTHER NORTH ACROSS LARIMER AND WELD COUNTIES.
CONSIDERING THERE IS STILL POTENTIAL FOR HEAVIER SNOW WILL OPT TO
CARRY NO HILITES AT THIS TIME. THIS WILL ALLOW LATER SHIFT TO MAKE
A DECISION IF ADVISORY IS MORE PRUDENT OR UPGRADE TO A WARNING.
THE HEAVIEST SNOW EXPECTED TO BE FROM MIDNIGHT TONIGHT AND INTO
SATURDAY.

LONG TERM...THE MAIN UPPER TROUGH WILL BE PASSING OVERHEAD
SATURDAY MORNING AS HIGH SURFACE PRESSURE MAKES A PUSH FROM THE
NORTH. QG VERTICAL VELOCITY VALUES ARE BEING PROGGED AROUND 40
MB/HR UPWARD DURING THE MORNING HOURS. THIS COMBINED WITH UPSLOPE
CONDITIONS WILL ALLOW FOR GOOD SNOWFALL RATES...POSSIBLY AROUND AN
INCH PER HOUR OVER THE FAR EASTERN PLAINS. MOST MODELS ARE IN
BETTER AGREEMENT WITH NORTH-NORTHEAST WINDS FROM THE SURFACE UP TO
ABOUT 700 MB...COMPARED TO THEIR AGREEMENT ON TONIGHTS WINDS. AS
THE SURFACE HIGH PUSHES IN FROM THE NORTH...NORTH WINDS WILL BE
INCREASING OVER THE PLAINS UP TO 15 TO 25 MPH WITH GUSTS TO 40 MPH
EAST OF A LINE FROM GREELEY TO ELBERT. THIS WILL CAUSE AREAS OF
BLOWING SNOW TO REDUCE VISIBILITIES. MAY REACH BLIZZARD CRITERIA
IN CERTAIN AREAS EAST OF THIS LINE...BUT DID NOT WANT TO CONFUSE
HIGHLIGHTS BY PUTTING A BLIZZARD WARNING ON TOP OF A WINTER STORM
WARNING. WILL HIGHLIGHT THE INCREASE IN WINDS SATURDAY. BY THE
AFTERNOON...THE BEST DYNAMICS MOVE EAST AND MOUNTAIN TOP WINDS
BEGIN TO BECOME OUT OF THE NORTHWEST. HOWEVER TIMING AND STRENGTH
ARE UNCERTAIN WHICH WILL AFFECT HOW MUCH SNOW WILL FALL OVER THE
MOUNTAINS. THIS MAY RESULT IN ADVISORY OR BELOW SNOWFALL AMOUNTS.
FOR NOW WILL NOT ISSUE HIGHLIGHTS. TEMPERATURES WILL STAY STEADY
THROUGH THE DAY WITH HARDLY ANY WARMING...READINGS WILL LIKELY
STAY IN THE LOW 20S OVER THE PLAINS AND IN THE LOW TEENS FOR THE
MOUNTAINS. WINDS WILL BE DIMINISHING THROUGH THE LATE AFTERNOON
AND INTO THE EVENING. SNOW WILL COME TO AN END OVER THE PLAINS
SATURDAY NIGHT WITH SNOWFALL TOTALS AROUND A FOOT OVER THE FAR
EASTERN PLAINS. AREAS OF LIGHT SNOW WILL REMAIN FALLING OVER THE
MOUNTAINS.

ANOTHER DISTURBANCE QUICKLY MOVES INTO COLORADO SUNDAY TO BRING
A FEW MORE INCHES TO THE MOUNTAINS AND A CHANCE TO SEE SOME SNOW
OVER THE PLAINS. TEMPERATURES WILL REMAIN COLD...NEARLY 30 DEGREES
COLDER THAN AVERAGE FOR LATE MARCH.

ZONAL FLOW TO SLIGHT RIDGING NEXT WEEK FROM MONDAY THROUGH
THURSDAY WILL ALLOW FOR A SLOW MODERATION OF THE COOL TEMPERATURES
AND DRIER WEATHER.

AVIATION...SCATTERED SNOW SHOWERS WILL DEVELOP AT LOCAL
TERMINALS THIS EVENING WITH MORE WIDESPREAD SNOW FROM MIDNIGHT
THROUGH SATURDAY MORNING WITH IFR CONDITIONS FOR CIGS AND
VISIBILITIES. SNOWFALL AMOUNTS BY EARLY SATURDAY MORNING WILL BE 2
TO 4 INCHES AND WITH THE COLDER TEMPERATURES WILL CERTAINLY SEE
ACCUMULATIONS ON RUNWAY SURFACES. SURFACE WINDS TONIGHT WILL
INCREASE FROM THE NORTH AND NORTHEAST AT 10-20KT.

&&

.BOU WATCHES/WARNINGS/ADVISORIES...
WINTER STORM WARNING FROM 9 PM THIS EVENING TO 6 PM MDT SATURDAY
FOR COZ042-044>046-048>051.

&&

SHORT TERM...ENTREKIN
LONG TERM....KRIEDERMAN
AVIATION...ENTREKIN
Hazardous weather outlook, Mar 22, 5:01 AM MDT, 1 hour 19 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
501 AM MDT FRI MAR 22 2013

COZ030>051-231115-
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-
501 AM MDT FRI MAR 22 2013

...WINTER STORM WARNING FOR PORTIONS OF THE NORTHEAST PLAINS FROM
9 PM MDT THROUGH 6 PM MDT SATURDAY....

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

.DAY ONE...TODAY AND TONIGHT.

SCATTERED SNOW SHOWERS WILL DEVELOP OVER THE MOUNTAINS THIS
AFTERNOON AND BECOME WIDESPREAD THIS EVENING. SNOW WILL ALSO
SPREAD OVER THE LOWER ELEVATIONS THIS EVENING AND BECOMING HEAVY
AT TIMES LATER TONIGHT AND SATURDAY. A STORM SYSTEM OVER THE
PACIFIC NORTHWEST WILL MOVE INTO NORTHWEST COLORADO BY LATER
TONIGHT WHICH WILL BRING THE SNOW AND COLDER TEMPERATURES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SIGNIFICANT SNOWFALL WILL CONTINUE SATURDAY MORNING BEFORE
BEGINNING TO TAPER OFF LATER IN THE DAY. STRONG NORTHERLY WINDS
GUSTING BETWEEN 30 AND 45 MPH ACROSS THE PLAINS WILL CREATE AREAS
OF BLOWING SNOW AND REDUCED VISIBILITY MAKING TRAVEL HAZARDOUS.
TOTAL SNOWFALL ACCUMULATIONS OVER THE PLAINS EAST OF A LINE FROM
GREELEY DOWN TO ELBERT WILL BE 8 TO 14 INCHES...WITH 4 TO 7 INCHES
WEST OF THIS. THE MOUNTAINS WILL LIKELY SEE A TOTAL OF 6 TO 11
INCHES OVER THE HIGHER ELEVATIONS. TEMPERATURES WILL BE ALMOST 30
DEGREES COLDER THAN NORMAL.

ANOTHER ROUND OF SNOW WILL OCCUR SUNDAY AND SUNDAY NIGHT WITH LESS
ACCUMULATION. THE WEATHER WILL THEN BEGIN DRYING OUT WITH
TEMPERATURES STAYING BELOW NORMAL THROUGH THE WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT...HOWEVER
SNOWFALL REPORTS WILL BE APPRECIATED AS SNOW DEVELOPS TONIGHT.

ENTREKIN/KRIEDERMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 22, 4:28 PM MDTWinter Weather AdvisoryBOUAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 11 more26 hr

Nearby

Winter Storm Warnings in Colorado, 2013Every winter storm warning in 2013

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.