Alert archive / Colorado / Winter Storm Warnings in 2013

Winter Storm Warning 8, NWS Denver/Boulder, CO

April 16, 20134 counties in Colorado

NWS Denver/Boulder, CO issued this winter storm warning at Apr 16, 2013, 5:44 AM MDT for 4 counties in Colorado. It took effect at Apr 16, 2013, 3:00 PM MDT. It was in force for 28 hr. 10 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
Apr 16, 2013, 5:44 AM MDT (11:44 UTC)
In effect from
Apr 16, 2013, 3:00 PM MDT
Expired
Apr 17, 2013, 7:18 PM MDT
In force
28 hr
Issued by
NWS Denver/Boulder, CO

Counties Boulder County, CO, Grand County, CO, Jackson County, CO, Larimer County, CO

The radar

The Cheyenne radar (KCYS), 121 km from the middle of the area, began a volume at 11:48 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 17, 3:10 PM MDTSNOW 42 Ne Fort Collins, CO23 INCHES SINCE MONDAY MORNING
Apr 17, 3:25 PM MDTHEAVY SNOW 18Nw Fort Collins, COSINCE MONDAY MORNING
Apr 17, 4:40 PM MDTHEAVY SNOW 31 Nw Niwot, CO15.0 INCHES SINCE MONDAY MORNING.
Apr 17, 4:40 PM MDTHEAVY SNOW 54 N Loveland, CO20.7 INCHES SINCE MONDAY MORNING
Apr 17, 5:00 PM MDTHEAVY SNOW 5.53 Sw Boulder, CO19.4 INCHES SINCE MONDAY MORNING
Apr 17, 5:15 PM MDTSNOW 5.21 Nnw Louisville, CO20.9 INCHES SINCE MONDAY MORNING
Apr 17, 5:15 PM MDTHEAVY SNOW 71 Se Fort Collins, CO19.5 INCHES SINCE MONDAY MORNING
Apr 17, 6:40 PM MDTHEAVY SNOW 8.71 Wnw Eldorado Springs, CO23.9 INCHES SINCE MONDAY MORNING
Apr 17, 6:52 PM MDTSNOW 5.31 Nnw Louisville, CO21.0 INCHES SINCE MONDAY MORNING
Apr 17, 7:00 PM MDTSNOW 5.9Fort Collins, CO23.4 INCHES SINCE MONDAY MORNING

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 00:00Z, 11.7 hours before the alert went out and 227 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 00:00Z on 2013-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2013-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.1939587897117136Sfc1 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
565 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
440 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.

407 
WWUS45 KBOU 161144
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
544 AM MDT TUE APR 16 2013

...HEAVY SNOW HAS MOVED NORTH INTO WYOMING...BUT ANOTHER ROUND OF
SNOW IS EXPECTED IN PORTIONS OF NORTHERN COLORADO FROM LATE THIS
AFTERNOON THROUGH TONIGHT AND WEDNESDAY...

ANOTHER PIECE OF THE LARGE STORM SYSTEM AFFECTING THE NORTHERN AND
CENTRAL ROCKIES WILL MOVE ACROSS THE GREAT BASIN TONIGHT AND THEN
PUSH EAST ACROSS COLORADO WEDNESDAY AND WEDNESDAY NIGHT. SNOW
SHOWERS WILL BECOME MORE NUMEROUS AND HEAVIER IN THE NORTHERN
MOUNTAINS AND NORTHERN FRONT RANGE FOOTHILLS AHEAD OF THIS FEATURE
LATE THIS AFTERNOON...WITH PERIODS OF HEAVY SNOW THEN POSSIBLE
THROUGH WEDNESDAY. AT THIS TIME...THESE NORTHERN MOUNTAINS AND
NORTHERN FRONT RANGE FOOTHILLS ARE SHAPING UP TO BE ON THE
SOUTHERN FRINGE OF THE MORE SUSTAINED HEAVIER SNOW SHOWERS
THROUGH TONIGHT...BUT SNOW WILL BECOME MORE WIDESPREAD WEDNESDAY
AND CONTINUE INTO WEDNESDAY EVENING. SNOW WILL ALSO SPREAD OVER
THE NORTHEAST PLAINS OF COLORADO BY WEDNESDAY.

COZ031-033-035-162000-
/O.NEW.KBOU.WS.W.0008.130416T2100Z-130418T0600Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 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...ESTES PARK...
GLENDEVEY...NEDERLAND...RED FEATHER LAKES
544 AM MDT TUE APR 16 2013

...WINTER STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO
MIDNIGHT MDT WEDNESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM
WARNING FOR SNOW...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO
MIDNIGHT MDT WEDNESDAY NIGHT.

* TIMING...SNOW SHOWERS WILL BECOME MORE NUMEROUS AND HEAVIER LATE
  THIS AFTERNOON AND CONTINUE THROUGH TONIGHT.  SNOW IS EXPECTED
  TO BECOME MORE WIDESPREAD FOR WEDNESDAY AND WEDNESDAY EVENING.

* SNOW ACCUMULATIONS...8 TO 16 INCHES FROM LATE THIS AFTERNOON
  THROUGH WEDNESDAY EVENING.

* WIND/VISIBILITY...EAST/SOUTHEAST WINDS 10 TO 20 MPH WITH SOME
  GUSTS AROUND 30 MPH. VISIBILITIES WILL BE REDUCED TO A QUARTER
  MILE OR LESS DURING THE PERIODS OF HEAVIER SNOW. 

* IMPACTS...ROADS WILL BE SNOWPACKED AND ICY ESPECIALLY DURING
  PERIODS OF HEAVIER SNOWFALL. BE PREPARED FOR SLOW AND HAZARDOUS
  DRIVING CONDITIONS.

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.

&&

$$
6 follow-up statements
325 
WWUS45 KBOU 161930
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
130 PM MDT TUE APR 16 2013

...NEXT ROUND OF SNOW IS STILL EXPECTED IN PORTIONS OF NORTHERN
COLORADO FROM LATE THIS AFTERNOON THROUGH TONIGHT AND WEDNESDAY...

ANOTHER PIECE OF THE LARGE STORM SYSTEM AFFECTING THE NORTHERN
AND CENTRAL ROCKIES WILL MOVE ACROSS THE GREAT BASIN TONIGHT AND
THEN PUSH EAST ACROSS COLORADO WEDNESDAY AND WEDNESDAY NIGHT.
SNOW SHOWERS WILL BECOME MORE NUMEROUS AND HEAVIER IN THE
NORTHERN MOUNTAINS AND NORTHERN FRONT RANGE FOOTHILLS AHEAD OF
THIS FEATURE LATE THIS AFTERNOON...WITH PERIODS OF HEAVY SNOW
THEN POSSIBLE THROUGH WEDNESDAY. AT THIS TIME...THESE NORTHERN
MOUNTAINS AND NORTHERN FRONT RANGE FOOTHILLS ARE STILL EXPECTED TO
BE ON THE SOUTHERN FRINGE OF THE MORE SUSTAINED HEAVIER SNOW
SHOWERS THROUGH TONIGHT...BUT SNOW WILL BECOME MORE WIDESPREAD
WEDNESDAY AND CONTINUE INTO WEDNESDAY EVENING. SNOW WILL ALSO
SPREAD OVER THE NORTHEAST PLAINS OF COLORADO WEDNESDAY.

COZ031-033-035-170330-
/O.CON.KBOU.WS.W.0008.130416T2100Z-130418T0600Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 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...ESTES PARK...
GLENDEVEY...NEDERLAND...RED FEATHER LAKES
130 PM MDT TUE APR 16 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
WEDNESDAY NIGHT...

* TIMING...SNOW SHOWERS WILL BECOME MORE NUMEROUS AND HEAVIER
  LATE THIS AFTERNOON AND CONTINUE THROUGH TONIGHT. SNOW IS
  EXPECTED TO BECOME MORE WIDESPREAD FOR WEDNESDAY AND WEDNESDAY
  EVENING.

* SNOW ACCUMULATIONS...8 TO 16 INCHES BY WEDNESDAY EVENING.

* WIND/VISIBILITY...EAST/SOUTHEAST WINDS 10 TO 20 MPH WITH SOME 
  GUSTS AROUND 30 MPH. VISIBILITIES WILL BE REDUCED TO A QUARTER 
  MILE OR LESS DURING THE PERIODS OF HEAVIER SNOW. 

* IMPACTS...ROADS WILL BE SNOWPACKED AND ICY ESPECIALLY DURING 
  PERIODS OF HEAVIER SNOWFALL. BE PREPARED FOR SLOW AND 
  HAZARDOUS DRIVING CONDITIONS. 

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.

&&

$$
366 
WWUS45 KBOU 162152
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
352 PM MDT TUE APR 16 2013

...ANOTHER ROUND OF SNOW MOVING INTO NORTHERN COLORADO...

ANOTHER PIECE OF THE LARGE STORM SYSTEM AFFECTING THE ROCKIES
WILL MOVE SPREAD SNOW SHOWERS ACROSS THE NORTHERN COLORADO
MOUNTAINS TONIGHT...WITH SNOW DEVELOPING ACROSS EASTERN COLORADO
DURING THE DAY ON WEDNESDAY. THE HEAVIEST SNOW IS EXPECTED TO BE
OVER THE MOUNTAINS LATE TONIGHT AND WEDNESDAY...IN THE DENVER AREA
WEDNESDAY AFTERNOON AND EVENING...AND ON THE EASTERN PLAINS
WEDNESDAY NIGHT.

WHILE TEMPERATURES WILL INITIALLY BE WARM WITH THIS ROUND OF
SNOW...TEMPERATURES WILL FALL LATER IN THE DAY ON WEDNESDAY WHICH
WILL ALLOW THE SNOW TO HAVE MORE IMPACT ON ROAD CONDITIONS. STRONG
WINDS WILL ALSO DEVELOP ON THE PLAINS BY WEDNESDAY EVENING...WHICH
MAY CAUSE BLIZZARD CONDITIONS TO DEVELOP.

NO WATCHES OR WARNINGS ARE CURRENTLY IN EFFECT FOR THE AREA
BETWEEN DENVER AND FORT COLLINS AS WINDS ARE NOT EXPECTED TO BE AS
STRONG. HOWEVER SOME IMPACT IS EXPECTED IN THESE AREAS AS WELL AND
SNOW AND BLOWING SNOW MAY CAUSE TRAVEL DIFFICULTIES WEDNESDAY
AFTERNOON AND EVENING. STAY TUNED FOR POSSIBLE ADVISORIES OR
WARNINGS FOR THIS AREA AS THE STORM DEVELOPS.

COZ031-033-035-170600-
/O.CON.KBOU.WS.W.0008.000000T0000Z-130418T0600Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 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...ESTES PARK...
GLENDEVEY...NEDERLAND...RED FEATHER LAKES
352 PM MDT TUE APR 16 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
WEDNESDAY NIGHT...

* TIMING...SNOW SHOWERS WILL BECOME WIDESPREAD THIS EVENING AND
  CONTINUE THROUGH WEDNESDAY EVENING. THE SHOWERS WILL BE HEAVY AT
  TIMES...ESPECIALLY LATE TONIGHT AND WEDNESDAY.

* SNOW ACCUMULATIONS...9 TO 18 INCHES BY WEDNESDAY EVENING.

* WIND/VISIBILITY...EAST WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH
  BECOMING NORTH. VISIBILITIES WILL BE REDUCED TO A QUARTER MILE
  OR LESS DURING THE PERIODS OF HEAVIER SNOW.

* IMPACTS...ROADS WILL BE SNOWPACKED AND ICY ESPECIALLY DURING 
  PERIODS OF HEAVIER SNOWFALL. BE PREPARED FOR SLOW AND 
  HAZARDOUS DRIVING CONDITIONS. 

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.

&&

$$

COZ030-032-034-170600-
/O.NEW.KBOU.WW.Y.0016.130417T0300Z-130418T0600Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 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...GOULD...NORTH PARK...RAND...SPICER...
WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE...
HOT SULPHUR SPRINGS...KREMMLING...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
352 PM MDT TUE APR 16 2013

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO
MIDNIGHT MDT WEDNESDAY NIGHT...

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

* TIMING...SNOW SHOWERS WILL BECOME WIDESPREAD THIS EVENING AND
  CONTINUE THROUGH WEDNESDAY...THEN DIMINISH. THE SHOWERS WILL BE
  HEAVY AT TIMES.

* SNOW ACCUMULATIONS...6 TO 12 INCHES BY WEDNESDAY EVENING...WITH
  UP TO 16 INCHES IN THE HIGHER MOUNTAINS.

* WIND/VISIBILITY...WINDS WILL BECOME NORTH AT 10 TO 15 MPH WITH
  GUSTS TO 30 MPH. VISIBILITIES WILL BE LIMITED TO LESS THAN A
  QUARTER MILE IN PERIODS OF HEAVY SNOW.

* IMPACTS...ROADS WILL BE SNOWPACKED AND ICY ESPECIALLY DURING 
  PERIODS OF HEAVIER SNOWFALL. BE PREPARED FOR SLOW AND 
  HAZARDOUS 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.

&&

$$

COZ041-042-044>046-048>051-170600-
/O.NEW.KBOU.BZ.A.0003.130417T2100Z-130418T1200Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
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...CASTLE ROCK...ELBERT...FONDIS...KIOWA...
LARKSPUR...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
352 PM MDT TUE APR 16 2013

...BLIZZARD WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH LATE
WEDNESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A BLIZZARD
WATCH...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH LATE
WEDNESDAY NIGHT. 

* TIMING...SNOW AND STRONG WINDS WILL SPREAD ACROSS EASTERN
  COLORADO WEDNESDAY AFTERNOON...THEN DIMINISH FROM NORTHWEST TO
  SOUTHEAST ON WEDNESDAY NIGHT.

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

* WIND/VISIBILITY...NORTH WINDS WILL INCREASE INTO THE 20 TO 35
  MPH RANGE BY WEDNESDAY EVENING...WITH GUSTS AS HIGH AS 50 MPH.
  THIS MAY PRODUCE BLIZZARD CONDITIONS WITH VISIBILITIES AS LOW AS
  100 YARDS. 

* IMPACTS...TRAVEL MAY BECOME IMPOSSIBLE...ESPECIALLY ON RURAL
  ROADS...DUE TO POOR VISIBILITIES AND SEVERE DRIFTING OF SNOW.
  ROADS MAY BE CLOSED...AND POWER OUTAGES ARE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

&&

$$

D_L/KALINA/GIMMESTAD
089 
WWUS45 KBOU 170141
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
741 PM MDT TUE APR 16 2013

...ANOTHER ROUND OF SNOW MOVING INTO NORTHERN COLORADO...

ANOTHER PIECE OF THE LARGE STORM SYSTEM AFFECTING THE ROCKIES
WILL MOVE SPREAD SNOW SHOWERS ACROSS THE NORTHERN COLORADO
MOUNTAINS TONIGHT...WITH SNOW DEVELOPING ACROSS EASTERN COLORADO
DURING THE DAY ON WEDNESDAY. THE HEAVIEST SNOW IS EXPECTED TO
OCCUR OVER THE MOUNTAINS LATE TONIGHT AND WEDNESDAY. IN THE
DENVER AREA AND ACROSS THE EASTERN PLAINS...THE HEAVIEST SNOW WILL
FALL WEDNESDAY AFTERNOON AND EVENING.

TEMPERATURES WILL FALL DURING THE DAY WEDNESDAY WHICH WILL ALLOW
THE SNOW TO HAVE MORE IMPACT ON ROAD CONDITIONS. BY EVENING...MANY
UNTREATED ROADS WILL BECOME SNOWPACKED AND ICY. STRONG WINDS WILL
ALSO DEVELOP ON THE PLAINS BY WEDNESDAY EVENING...WHICH MAY CAUSE
BLIZZARD CONDITIONS TO DEVELOP.

COZ031-033-035-171200-
/O.CON.KBOU.WS.W.0008.000000T0000Z-130418T0600Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 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...ESTES PARK...
GLENDEVEY...NEDERLAND...RED FEATHER LAKES
741 PM MDT TUE APR 16 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
WEDNESDAY NIGHT...

* TIMING...SNOW WILL BECOME WIDESPREAD THIS EVENING AND CONTINUE
  THROUGH WEDNESDAY EVENING. THE SNOW WILL BE HEAVY AT
  TIMES...MAINLY THIS EVENING AND WEDNESDAY. SNOW MAY DECREASE OR
  COME TO AN END FOR A SHORT TIME AFTER MIDNIGHT.

* SNOW ACCUMULATIONS...9 TO 18 INCHES BY WEDNESDAY EVENING.

* IMPACTS...ROADS WILL BE SNOWPACKED AND ICY. BE PREPARED FOR
  SLOW AND HAZARDOUS DRIVING CONDITIONS.

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.

&&

$$

COZ038-171200-
/O.EXB.KBOU.WW.Y.0016.130417T0141Z-130418T0600Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND...
NUNN
741 PM MDT TUE APR 16 2013

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT MDT WEDNESDAY
NIGHT...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL MIDNIGHT MDT
WEDNESDAY NIGHT.

* TIMING...SNOW WILL CONTINUE THROUGH TONIGHT AND WEDNESDAY. THE
  SNOW WILL TAPER OFF LATE WEDNESDAY AFTERNOON OR EARLY EVENING.
  SNOW MAY DECREASE OR COME TO AN END FOR A SHORT TIME AFTER
  MIDNIGHT.

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

* WIND/VISIBILITY...WINDS WILL BECOME NORTH AT 10 TO 15 MPH WITH
  GUSTS TO 30 MPH WEDNESDAY MORNING. VISIBILITIES WILL FALL AS LOW
  AS A QUARTER MILE DUE SNOW AND BLOWING SNOW.

* IMPACTS...ROADS WILL BECOME SNOWPACKED AND ICY. BE PREPARED FOR
  SLOW AND HAZARDOUS 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.

&&

$$

COZ036-039-040-043-171200-
/O.EXB.KBOU.WW.Y.0016.130417T1500Z-130418T0600Z/
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
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-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING THE CITIES OF...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK...ARVADA...BOULDER...
GOLDEN...LAKEWOOD...LONGMONT...AURORA...BRIGHTON...
CITY OF DENVER...DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...
LITTLETON...PARKER...EATON...FORT LUPTON...GREELEY...ROGGEN
741 PM MDT TUE APR 16 2013

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM WEDNESDAY TO
MIDNIGHT MDT WEDNESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 9 AM
WEDNESDAY TO MIDNIGHT MDT WEDNESDAY NIGHT.

* TIMING...SNOW...HEAVY AT TIMES WILL DEVELOP WEDNESDAY MORNING
  AND CONTINUE THROUGH WEDNESDAY EVENING. THERE MAY ALSO BE
  FREEZING DRIZZLE LATE TONIGHT AND WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS...4 TO 8 INCHES ARE EXPECTED BY WEDNESDAY
  EVENING... WITH 6 TO 12 INCHES IN THE SOUTHERN FOOTHILLS.

* WIND/VISIBILITY...WINDS WILL BECOME NORTH AT 10 TO 15 MPH WITH
  GUSTS TO 30 MPH ALONG AND EAST OF INTERSTATE 25. VISIBILITIES
  WILL BE DROP AS LOW AS A QUARTER MILE DUE TO SNOW AND BLOWING
  SNOW.

* IMPACTS...ROADS WILL BECOME SNOWPACKED AND ICY. BE PREPARED FOR
  SLOW AND HAZARDOUS 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.

&&

$$

COZ030-032-034-171200-
/O.CON.KBOU.WW.Y.0016.130417T0300Z-130418T0600Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 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...GOULD...NORTH PARK...RAND...SPICER...
WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE...
HOT SULPHUR SPRINGS...KREMMLING...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
741 PM MDT TUE APR 16 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
WEDNESDAY NIGHT...

* TIMING...SNOW WILL BECOME WIDESPREAD THIS EVENING AND CONTINUE
  THROUGH WEDNESDAY EVENING. THE SNOW WILL BE HEAVY AT
  TIMES...MAINLY THIS EVENING AND WEDNESDAY. SNOW MAY DECREASE OR
  COME TO AN END FOR A SHORT TIME AFTER MIDNIGHT.

* SNOW ACCUMULATIONS...3 TO 8 INCHES BY WEDNESDAY EVENING IN THE
  MOUNTAIN VALLEYS WITH UP TO 12 INCHES IN THE MOUNTAINS.

* IMPACTS...ROADS WILL BECOME SNOWPACKED AND ICY. BE PREPARED FOR
  SLOW AND HAZARDOUS 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.

&&

$$

COZ041-042-044>046-048>051-171200-
/O.EXT.KBOU.BZ.A.0003.130417T1800Z-130418T1200Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
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...CASTLE ROCK...ELBERT...FONDIS...KIOWA...
LARKSPUR...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
741 PM MDT TUE APR 16 2013

...BLIZZARD WATCH NOW IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
LATE WEDNESDAY NIGHT...

* TIMING...SNOW AND STRONG WINDS WILL SPREAD ACROSS EASTERN 
  COLORADO WEDNESDAY AFTERNOON...THEN DIMINISH FROM NORTHWEST TO 
  SOUTHEAST ON WEDNESDAY NIGHT. 

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

* WIND/VISIBILITY...NORTH WINDS WILL INCREASE INTO THE 20 TO 35 
  MPH RANGE BY WEDNESDAY EVENING...WITH GUSTS AS HIGH AS 50 MPH. 
  THIS MAY PRODUCE BLIZZARD CONDITIONS WITH VISIBILITIES AS LOW 
  AS 100 YARDS. 

* IMPACTS...TRAVEL MAY BECOME IMPOSSIBLE...ESPECIALLY ON RURAL 
  ROADS...DUE TO POOR VISIBILITIES AND SEVERE DRIFTING OF SNOW. 
  ROADS MAY BE CLOSED...AND POWER OUTAGES ARE POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

&&

$$
950 
WWUS45 KBOU 171113
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
513 AM MDT WED APR 17 2013

...ANOTHER ROUND OF SNOW MOVING INTO NORTHERN COLORADO...

AN UPPER LEVEL STORM SYSTEM OVER THE GREAT BASIN WILL MOVE INTO
COLORADO TODAY AND THEN ACROSS THE EASTERN PLAINS TONIGHT. SNOW
WILL SPREAD FROM THE MOUNTAINS ONTO THE PLAINS LATER THIS MORNING
THROUGH THE AFTERNOON.  THE HEAVIEST SNOW IS EXPECTED TO OCCUR
OVER THE MOUNTAINS TODAY...AND OVER THE FRONT RANGE URBAN CORRIDOR
AND EASTERN PLAINS THIS AFTERNOON INTO THE EVENING. THE SNOW WILL
TAPER OFF FROM NORTHWEST TO SOUTHEAST ACROSS THE REGION OVERNIGHT...
BUT GUSTY WINDS WILL CONTINUE WITH AREAS OF BLOWING AND DRIFTING
SNOW.

STRONG AND GUSTY WINDS AND FALLING TEMPERATURES THIS AFTERNOON
WILL ALLOW THE SNOW TO HAVE MORE IMPACT ON ROAD CONDITIONS. BY
LATE THIS AFTERNOON OR EVENING...MANY UNTREATED ROADS WILL BECOME
SNOWPACKED AND ICY. THE STRONGEST WINDS WILL OCCUR ON THE EASTERN
PLAINS BY LATE THIS AFTERNOON...WHICH MAY CAUSE BLIZZARD
CONDITIONS TO DEVELOP.

COZ031-033-035-171915-
/O.CON.KBOU.WS.W.0008.000000T0000Z-130418T0600Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 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...ESTES PARK...
GLENDEVEY...NEDERLAND...RED FEATHER LAKES
513 AM MDT WED APR 17 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* TIMING...SNOW WILL CONTINUE THROUGH THIS EVENING. THE SNOW WILL
  BE HEAVY AT TIMES DURING THE DAY TODAY...AND THEN GRADUALLY
  DECREASE OVERNIGHT.

* SNOW ACCUMULATIONS...8 TO 16 INCHES.

* IMPACTS...ROADS WILL BE SNOWPACKED AND ICY. BE PREPARED FOR 
  SLOW AND HAZARDOUS DRIVING CONDITIONS. 

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.

&&

$$

COZ040-043-171915-
/O.EXT.KBOU.WW.Y.0016.130417T1800Z-130418T0600Z/
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING THE CITIES OF...AURORA...BRIGHTON...CITY OF DENVER...
DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON...
PARKER...EATON...FORT LUPTON...GREELEY...ROGGEN
513 AM MDT WED APR 17 2013

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM NOON TODAY TO
MIDNIGHT MDT TONIGHT...

* TIMING...FREEZING DRIZZLE AND FLURRIES WILL GIVE WAY TO STEADY
  AND HEAVIER SNOWFALL BY LATER THIS MORNING AND EARLY AFTERNOON.
  THE SNOW MAY BE HEAVY AT TIMES THIS AFTERNOON...AND THEN
  GRADUALLY DIMINISH LATE THIS EVENING THROUGH THE OVERNIGHT
  HOURS.

* SNOW ACCUMULATIONS...4 TO 7 INCHES.

* WIND/VISIBILITY...WINDS WILL BECOME NORTH AT 20 TO 30 MPH...WITH
  GUSTS UP TO 40 MPH EAST OF I-25. VISIBILITIES WILL BE DROP AS
  LOW AS A QUARTER MILE DUE TO SNOW AND BLOWING SNOW.

* IMPACTS...ROADS WILL LIKELY BECOME SNOWPACKED AND ICY. BE
  PREPARED FOR HAZARDOUS DRIVING CONDITIONS AND A SLOW AFTERNOON
  COMMUTE. BRIDGES AND OVERPASSES COULD BE ICY THIS MORNING DUE TO
  THE FREEZING DRIZZLE.

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.

&&

$$

COZ030-032-034-171915-
/O.CON.KBOU.WW.Y.0016.000000T0000Z-130418T0600Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 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...GOULD...NORTH PARK...RAND...SPICER...
WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE...
HOT SULPHUR SPRINGS...KREMMLING...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
513 AM MDT WED APR 17 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* TIMING...SNOW WILL CONTINUE THROUGH THIS EVENING. THE SNOW WILL
  BE HEAVY AT TIMES DURING THE DAY TODAY...AND THEN GRADUALLY
  DECREASE OVERNIGHT.

* SNOW ACCUMULATIONS...3 TO 8 INCHES IN THE MOUNTAIN VALLEYS WITH
  UP TO 12 INCHES IN THE MOUNTAINS.

* IMPACTS...ROADS WILL BECOME SNOWPACKED AND ICY. BE PREPARED 
  FOR SLOW AND HAZARDOUS 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.

&&

$$

COZ038-171915-
/O.CON.KBOU.WW.Y.0016.000000T0000Z-130418T0600Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND...
NUNN
513 AM MDT WED APR 17 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* TIMING...OCCASIONAL FREEZING DRIZZLE AND LIGHT SNOW WILL GIVE
  WAY TO A STEADY AND HEAVIER SNOWFALL BY MID MORNING. THE SNOW
  AND STRONGER WINDS WILL CONTINUE THROUGH THE AFTERNOON BEFORE
  GRADUALLY DECREASING THIS EVENING. 

* SNOW ACCUMULATIONS...3 TO 6 INCHES.

* WIND/VISIBILITY...WINDS WILL BECOME NORTH AT 15 TO 25 MPH WITH
  GUSTS TO 40 MPH EAST OF I-25 BY THIS AFTERNOON. VISIBILITIES
  WILL FALL AS LOW AS A QUARTER MILE DUE SNOW AND BLOWING SNOW.

* IMPACTS...ROADS WILL LIKELY BECOME SNOWPACKED AND ICY. BE
  PREPARED FOR HAZARDOUS DRIVING CONDITIONS AND A SLOW AFTERNOON
  COMMUTE. BRIDGES AND OVERPASSES COULD BE ICY THIS MORNING DUE TO
  THE FREEZING DRIZZLE.

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.

&&

$$

COZ036-039-171915-
/O.CON.KBOU.WW.Y.0016.130417T1500Z-130418T0600Z/
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING THE CITIES OF...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK...ARVADA...BOULDER...
GOLDEN...LAKEWOOD...LONGMONT
513 AM MDT WED APR 17 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 AM THIS
MORNING TO MIDNIGHT MDT TONIGHT...

* TIMING...OCCASIONAL FREEZING DRIZZLE AND LIGHT SNOW WILL GIVE
  WAY TO A STEADY AND HEAVIER SNOWFALL BY MID TO LATE MORNING. THE
  SNOW MAY BE HEAVY AT TIMES THIS AFTERNOON BEFORE GRADUALLY
  DECREASING THIS EVENING.

* SNOW ACCUMULATIONS...4 TO 7 INCHES FROM THE BOULDER AREA THROUGH
  THE WESTERN DENVER SUBURBS...AND 6 TO 11 INCHES IN THE FOOTHILLS.

* IMPACTS...ROADS WILL LIKELY BECOME SNOWPACKED AND ICY. BE
  PREPARED FOR HAZARDOUS DRIVING CONDITIONS AND A SLOW AFTERNOON
  COMMUTE. BRIDGES AND OVERPASSES COULD BE ICY THIS MORNING DUE TO
  THE FREEZING DRIZZLE.

* IMPACTS...ROADS WILL BECOME SNOWPACKED AND ICY. BE PREPARED 
  FOR SLOW AND HAZARDOUS 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.

&&

$$

COZ041-042-044>046-048>051-171915-
/O.EXT.KBOU.BZ.A.0003.130417T2000Z-130418T1200Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
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...CASTLE ROCK...ELBERT...FONDIS...KIOWA...
LARKSPUR...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
513 AM MDT WED APR 17 2013

...BLIZZARD WATCH NOW IN EFFECT FROM 2 PM MDT THIS AFTERNOON
THROUGH LATE TONIGHT...

* TIMING...SNOW AND STRONG WINDS WILL SPREAD ACROSS EASTERN
  COLORADO THIS AFTERNOON. THEY WILL GRADUALLY DIMINISH FROM
  NORTHWEST TO SOUTHEAST AFTER MIDNIGHT.

* SNOW ACCUMULATIONS...3 TO 8 INCHES. 

* WIND/VISIBILITY...NORTH WINDS WILL INCREASE INTO THE 20 TO 35
  MPH RANGE BY LATE THIS AFTERNOON AND EVENING...WITH GUSTS AS
  HIGH AS 50 MPH. THIS MAY PRODUCE BLIZZARD CONDITIONS WITH
  VISIBILITIES AS LOW AS 100 YARDS.

* IMPACTS...TRAVEL MAY BECOME IMPOSSIBLE DUE TO POOR VISIBILITIES
  AND SEVERE DRIFTING SNOW...ESPECIALLY IN RURAL AREAS. ROADS
  CLOSURES INCLUDING I-76 AND I-70 NORTHEAST AND EAST OF DENVER
  WILL BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

&&

$$

BARJENBRUCH
018 
WWUS45 KBOU 171352
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
752 AM MDT WED APR 17 2013

...ANOTHER ROUND OF SNOW MOVING INTO NORTHERN COLORADO...

AN UPPER LEVEL STORM SYSTEM OVER THE GREAT BASIN WILL MOVE INTO
COLORADO TODAY AND THEN ACROSS THE EASTERN PLAINS TONIGHT. SNOW
WILL CONTINUE TO SPREAD FROM THE MOUNTAINS ONTO THE PLAINS THIS
MORNING INTO EARLY AFTERNOON. THE HEAVIEST SNOW IS EXPECTED TO
OCCUR OVER THE MOUNTAINS TODAY...AND OVER THE FRONT RANGE URBAN
CORRIDOR AND EASTERN PLAINS THIS AFTERNOON INTO THE EVENING. THE
SNOW WILL TAPER OFF FROM NORTHWEST TO SOUTHEAST ACROSS THE REGION
OVERNIGHT... BUT GUSTY WINDS WILL CONTINUE WITH AREAS OF BLOWING
AND DRIFTING SNOW.

STRONG AND GUSTY WINDS AND FALLING TEMPERATURES THIS AFTERNOON
WILL ALLOW THE SNOW TO HAVE MORE IMPACT ON ROAD CONDITIONS. BY
LATE THIS AFTERNOON OR EVENING...MANY UNTREATED ROADS WILL BECOME
SNOWPACKED AND ICY. STRONG GUSTY WINDS ARE EXPECTED ON THE PLAINS
LATER THIS AFTERNOON...WITH THE STRONGEST WINDS AND LOWEST
VISIBILITIES EXPECTED OVER THE PALMER DIVIDE. 

COZ041-046-172200-
/O.UPG.KBOU.BZ.A.0003.130417T2000Z-130418T1200Z/
/O.NEW.KBOU.BZ.W.0006.130417T2000Z-130418T1200Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...FONDIS...KIOWA...
LARKSPUR...AGATE...HUGO...LIMON...MATHESON
752 AM MDT WED APR 17 2013

...BLIZZARD WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 AM
MDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 AM MDT
THURSDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. 

* TIMING...SNOW AND STRONG WINDS WILL SPREAD ACROSS EASTERN
  COLORADO THIS AFTERNOON. THEY WILL GRADUALLY DIMINISH FROM
  NORTHWEST TO SOUTHEAST OVERNIGHT. 

* SNOW ACCUMULATIONS...3 TO 8 INCHES.

* WIND/VISIBILITY...NORTH WINDS WILL INCREASE INTO THE 20 TO 35 
  MPH RANGE BY LATE THIS AFTERNOON AND EVENING...WITH GUSTS AS 
  HIGH AS 50 MPH. THIS MAY PRODUCE BLIZZARD CONDITIONS WITH 
  VISIBILITIES AS LOW AS 100 YARDS. 

* IMPACTS...TRAVEL MAY BECOME IMPOSSIBLE DUE TO POOR VISIBILITIES
  AND SEVERE DRIFTING SNOW...ESPECIALLY IN RURAL AREAS. ROADS
  CLOSURES EAST OF DENVER WILL BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

COZ031-033-035-172200-
/O.CON.KBOU.WS.W.0008.000000T0000Z-130418T0600Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 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...ESTES PARK...
GLENDEVEY...NEDERLAND...RED FEATHER LAKES
752 AM MDT WED APR 17 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* TIMING...SNOW WILL CONTINUE THROUGH THIS EVENING. THE SNOW 
  WILL BE HEAVY AT TIMES DURING THE DAY TODAY...AND THEN 
  GRADUALLY DECREASE OVERNIGHT. 

* SNOW ACCUMULATIONS...8 TO 16 INCHES.

* IMPACTS...ROADS WILL BE SNOWPACKED AND ICY. BE PREPARED FOR 
  SLOW AND HAZARDOUS DRIVING CONDITIONS. 

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.

&&

$$

COZ042-044-045-048>051-172200-
/O.UPG.KBOU.BZ.A.0003.130417T2000Z-130418T1200Z/
/O.EXB.KBOU.WW.Y.0016.130417T2000Z-130418T1200Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-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...CROOK...MERINO...
STERLING...PEETZ...AKRON...COPE...LAST CHANCE...OTIS...
JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE
752 AM MDT WED APR 17 2013

...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO
6 AM MDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 2 PM THIS AFTERNOON TO 6 AM MDT THURSDAY. THE BLIZZARD WATCH
IS NO LONGER IN EFFECT.

* TIMING...SNOW AND STRONG WINDS WILL SPREAD ACROSS EASTERN 
  COLORADO THIS AFTERNOON. THEY WILL GRADUALLY DIMINISH FROM 
  NORTHWEST TO SOUTHEAST AFTER MIDNIGHT. 

* SNOW ACCUMULATIONS...3 TO 8 INCHES.

* WIND/VISIBILITY...NORTH WINDS WILL INCREASE INTO THE 20 TO 35
  MPH RANGE BY LATE THIS AFTERNOON AND EVENING...WITH A FEW GUSTS
  TO 45 MPH POSSIBLE. 

* IMPACTS...TRAVEL MAY BECOME DIFFICULT DUE TO POOR VISIBILITIES
  AND DRIFTING SNOW...ESPECIALLY IN RURAL AREAS. 

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.

&&

$$

COZ030-032-034-172200-
/O.EXT.KBOU.WW.Y.0016.000000T0000Z-130418T0400Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 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...GOULD...NORTH PARK...RAND...SPICER...
WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE...
HOT SULPHUR SPRINGS...KREMMLING...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
752 AM MDT WED APR 17 2013

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 PM MDT THIS
EVENING...

* TIMING...SNOW WILL CONTINUE THROUGH THIS EVENING. THE SNOW 
  WILL BE HEAVY AT TIMES DURING THE DAY TODAY...AND THEN 
  GRADUALLY DECREASE OVERNIGHT. 

* SNOW ACCUMULATIONS...3 TO 8 INCHES IN THE MOUNTAIN VALLEYS 
  WITH UP TO 12 INCHES IN THE MOUNTAINS. 

* IMPACTS...ROADS WILL BECOME SNOWPACKED AND ICY. BE PREPARED 
  FOR SLOW AND HAZARDOUS 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.

&&

$$

COZ038-172200-
/O.CON.KBOU.WW.Y.0016.000000T0000Z-130418T0600Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND...
NUNN
752 AM MDT WED APR 17 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* TIMING...OCCASIONAL FREEZING DRIZZLE AND LIGHT SNOW WILL GIVE 
  WAY TO A STEADY AND HEAVIER SNOWFALL BY MID MORNING. THE SNOW 
  AND STRONGER WINDS WILL CONTINUE THROUGH THE AFTERNOON BEFORE 
  GRADUALLY DECREASING THIS EVENING. 

* SNOW ACCUMULATIONS...3 TO 6 INCHES.

* WIND/VISIBILITY...WINDS WILL BECOME NORTH AT 15 TO 25 MPH WITH 
  GUSTS TO 40 MPH EAST OF I-25 BY THIS AFTERNOON. VISIBILITIES 
  WILL FALL AS LOW AS A QUARTER MILE DUE SNOW AND BLOWING SNOW. 

* IMPACTS...ROADS WILL LIKELY BECOME SNOWPACKED AND ICY. BE 
  PREPARED FOR HAZARDOUS DRIVING CONDITIONS AND A SLOW AFTERNOON 
  COMMUTE. BRIDGES AND OVERPASSES COULD BE ICY THIS MORNING DUE 
  TO THE FREEZING DRIZZLE. 

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.

&&

$$

COZ036-039-172200-
/O.CON.KBOU.WW.Y.0016.130417T1500Z-130418T0600Z/
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING THE CITIES OF...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK...ARVADA...BOULDER...
GOLDEN...LAKEWOOD...LONGMONT
752 AM MDT WED APR 17 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* TIMING...OCCASIONAL FREEZING DRIZZLE AND LIGHT SNOW WILL GIVE 
  WAY TO A STEADY AND HEAVIER SNOWFALL BY MID TO LATE MORNING. 
  THE SNOW MAY BE HEAVY AT TIMES THIS AFTERNOON BEFORE GRADUALLY 
  DECREASING THIS EVENING. 

* SNOW ACCUMULATIONS...4 TO 7 INCHES FROM THE BOULDER AREA 
  THROUGH THE WESTERN DENVER SUBURBS...AND 6 TO 11 INCHES IN THE 
  FOOTHILLS. 

* IMPACTS...ROADS WILL LIKELY BECOME SNOWPACKED AND ICY. BE 
  PREPARED FOR HAZARDOUS DRIVING CONDITIONS AND A SLOW AFTERNOON 
  COMMUTE. BRIDGES AND OVERPASSES COULD BE ICY THIS MORNING DUE 
  TO THE FREEZING DRIZZLE. 

* IMPACTS...ROADS WILL BECOME SNOWPACKED AND ICY. BE PREPARED 
  FOR SLOW AND HAZARDOUS 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.

&&

$$

COZ040-043-172200-
/O.CON.KBOU.WW.Y.0016.130417T1800Z-130418T0600Z/
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING THE CITIES OF...AURORA...BRIGHTON...CITY OF DENVER...
DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON...
PARKER...EATON...FORT LUPTON...GREELEY...ROGGEN
752 AM MDT WED APR 17 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO
MIDNIGHT MDT TONIGHT...

* TIMING...FREEZING DRIZZLE AND FLURRIES WILL GIVE WAY TO STEADY 
  AND HEAVIER SNOWFALL BY LATER THIS MORNING AND EARLY 
  AFTERNOON. THE SNOW MAY BE HEAVY AT TIMES THIS AFTERNOON...AND 
  THEN GRADUALLY DIMINISH LATE THIS EVENING THROUGH THE 
  OVERNIGHT HOURS. 

* SNOW ACCUMULATIONS...4 TO 7 INCHES.

* WIND/VISIBILITY...WINDS WILL BECOME NORTH AT 20 TO 30 MPH... 
  WITH GUSTS UP TO 40 MPH EAST OF I-25. VISIBILITIES WILL BE 
  DROP AS LOW AS A QUARTER MILE DUE TO SNOW AND BLOWING SNOW. 

* IMPACTS...ROADS WILL LIKELY BECOME SNOWPACKED AND ICY. BE 
  PREPARED FOR HAZARDOUS DRIVING CONDITIONS AND A SLOW AFTERNOON 
  COMMUTE. BRIDGES AND OVERPASSES COULD BE ICY THIS MORNING DUE 
  TO THE FREEZING DRIZZLE. 

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.

&&

$$
192 
WWUS45 KBOU 180118
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
718 PM MDT WED APR 17 2013

...WINTER STORM WINDING DOWN...

COZ041-046-180900-
/O.CAN.KBOU.BZ.W.0006.000000T0000Z-130418T1200Z/
/O.EXB.KBOU.WW.Y.0016.000000T0000Z-130418T0900Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...FONDIS...KIOWA...
LARKSPUR...AGATE...HUGO...LIMON...MATHESON
718 PM MDT WED APR 17 2013

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 AM MDT THURSDAY...
...BLIZZARD 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 3 AM MDT THURSDAY. THE BLIZZARD WARNING HAS BEEN CANCELLED.

* TIMING...SNOW WILL CONTINUE THROUGH THE EVENING AND THEN COME TO
  AN END AFTER MIDNIGHT

* SNOW ACCUMULATIONS...ADDITIONAL SNOWFALL OF 1 TO 4 INCHES IS
  EXPECTED. TOTAL SNOWFALL FOR THIS STORM WILL BE 2 TO 4 INCHES
  WITH 3 TO 7 INCHES ALONG AND NEAR THE PALMER DIVIDE.

* WIND/VISIBILITY...NORTH WINDS WILL OF 15 TO 30 MPH WILL CONTINUE
  THROUGH THE EVENING AND THEN DECREASE AFTER MIDNIGHT.A FEW
  GUSTS TO 40 MPH WILL BE POSSIBLE OVER NORTH LINCOLN AND EASTERN
  ELBERT COUNTIES.

* IMPACTS...ROADS ARE SNOWPACKED AND ICY IN AREAS DUE TO SNOW AND
  BLOWING SNOW. IF TRAVELING SLOW DOWN AND USE CAUTION.

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.

&&

$$

COZ031-033-035-180230-
/O.CAN.KBOU.WS.W.0008.000000T0000Z-130418T0600Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 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...ESTES PARK...
GLENDEVEY...NEDERLAND...RED FEATHER LAKES
718 PM MDT WED APR 17 2013

...WINTER STORM WARNING IS CANCELLED...

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

LITTLE TO NO ADDITIONAL SNOW ACCUMULATION IS EXPECTED...THEREFORE
THE WINTER WEATHER ADVISORY HAS BEEN CANCELED. ROADS WILL REMAIN
SLICK IN AREAS TONIGHT. IF TRAVELING SLOW DOWN AND USE CAUTION.

$$

COZ042-044-180230-
/O.CAN.KBOU.WW.Y.0016.000000T0000Z-130418T1200Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-
INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES...
RAYMER...STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS
718 PM MDT WED APR 17 2013

...WINTER WEATHER ADVISORY IS CANCELLED...

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

LITTLE NO ADDITIONAL SNOW ACCUMULATION IS EXPECTED...THEREFORE
THE WINTER WEATHER ADVISORY HAS BEEN CANCELED. ROADS WILL REMAIN
SLICK IN AREAS TONIGHT. IF TRAVELING SLOW DOWN AND USE CAUTION. 

$$

COZ030-032-180230-
/O.CAN.KBOU.WW.Y.0016.000000T0000Z-130418T0400Z/
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
718 PM MDT WED APR 17 2013

...WINTER WEATHER ADVISORY IS CANCELLED...

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

LITTLE TO NO ADDITIONAL SNOW ACCUMULATION IS EXPECTED...THEREFORE
THE WINTER WEATHER ADVISORY HAS BEEN CANCELED. ROADS WILL REMAIN
SLICK IN AREAS TONIGHT. IF TRAVELING SLOW DOWN AND USE CAUTION. 

$$

COZ038-043-180230-
/O.CAN.KBOU.WW.Y.0016.000000T0000Z-130418T0600Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND...
NUNN...EATON...FORT LUPTON...GREELEY...ROGGEN
718 PM MDT WED APR 17 2013

...WINTER WEATHER ADVISORY IS CANCELLED...

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

LITTLE TO NO ADDITIONAL SNOW ACCUMULATION IS EXPECTED...THEREFORE
THE WINTER WEATHER ADVISORY HAS BEEN CANCELED. ROADS WILL REMAIN
SLICK IN AREAS TONIGHT. IF TRAVELING SLOW DOWN AND USE CAUTION. 


$$

COZ045-048>051-180900-
/O.EXT.KBOU.WW.Y.0016.000000T0000Z-130418T0900Z/
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-LOGAN COUNTY-
WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING THE CITIES OF...BENNETT...BYERS...DEER TRAIL...LEADER...
CROOK...MERINO...STERLING...PEETZ...AKRON...COPE...LAST CHANCE...
OTIS...JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE
718 PM MDT WED APR 17 2013

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 AM MDT
THURSDAY...

* TIMING...SNOW WILL CONTINUE THROUGH THE EVENING AND THEN COME TO
  AN END AFTER MIDNIGHT

* SNOW ACCUMULATIONS...ADDITIONAL SNOWFALL OF 1 TO 4 INCHES IS
  EXPECTED. TOTAL SNOWFALL FOR THIS STORM WILL BE 2 TO 5 INCHES.

* WIND/VISIBILITY...NORTH WINDS WILL OF 15 TO 30 MPH WILL CONTINUE
  THROUGH THE EVENING AND THEN DECREASE AFTER MIDNIGHT.

* IMPACTS...ROADS ARE SNOWPACKED AND ICY IN AREAS DUE TO SNOW AND
  BLOWING SNOW. IF TRAVELING SLOW DOWN AND USE CAUTION.

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.

&&

$$

COZ034-180600-
/O.EXT.KBOU.WW.Y.0016.000000T0000Z-130418T0600Z/
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
718 PM MDT WED APR 17 2013

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* TIMING...SNOW WILL CONTINUE THROUGH THE EVENING AND THEN COME TO
  AN END AFTER MIDNIGHT

* SNOW ACCUMULATIONS...ADDITIONAL SNOWFALL OF 2 TO 4 INCHES IS
  EXPECTED. TOTAL SNOWFALL FOR THIS STORM WILL BE 4 TO 10 INCHES.

* IMPACTS...ROADS AND SNOWPACKED AND ICY IN AREAS DUE TO SNOW AND
  BLOWING SNOW. IF TRAVELING SLOW DOWN AND USE CAUTION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

COZ039-040-180600-
/O.CON.KBOU.WW.Y.0016.000000T0000Z-130418T0600Z/
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD...
LONGMONT...AURORA...BRIGHTON...CITY OF DENVER...
DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON...
PARKER
718 PM MDT WED APR 17 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* TIMING...SNOW WILL CONTINUE THROUGH MID TO LATE EVENING AND
  THEN COME TO AN END AFTER MIDNIGHT

* SNOW ACCUMULATIONS...ADDITIONAL SNOWFALL OF UP TO 2 INCHES IS
  EXPECTED. TOTAL SNOWFALL FOR THIS STORM WILL BE 2 TO 5 INCHES.

* WIND/VISIBILITY...NORTH WINDS WILL OF 10 TO 25 MPH WILL CONTINUE
  THROUGH THE EVENING AND THEN DECREASE AFTER MIDNIGHT.

* IMPACTS...ROADS ARE SNOWPACKED AND ICY IN AREAS DUE TO SNOW AND
  BLOWING SNOW. IF TRAVELING SLOW DOWN AND USE CAUTION.

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.

&&

$$

COZ036-180600-
/O.CON.KBOU.WW.Y.0016.000000T0000Z-130418T0600Z/
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
INCLUDING THE CITIES OF...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
718 PM MDT WED APR 17 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* TIMING...SNOW WILL CONTINUE THROUGH THE EVENING AND THEN COME TO
  AN END AFTER MIDNIGHT

* SNOW ACCUMULATIONS...ADDITIONAL SNOWFALL OF 2 TO 5 INCHES IS
  EXPECTED. TOTAL SNOWFALL FOR THIS STORM WILL BE 4 TO 8 INCHES.

* IMPACTS...ROADS ARE SNOWPACKED AND ICY IN AREAS DUE TO SNOW AND
  BLOWING SNOW. IF TRAVELING SLOW DOWN AND USE CAUTION.

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.

&&

$$

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 16, 4:28 AM MDT, 1 hour 16 minutes earlier.

Area forecast discussion, Apr 16, 4:28 AM MDT, 1 hour 16 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
428 AM MDT TUE APR 16 2013

.SHORT TERM...HEAVY SNOW BAND ALONG WITH THE UPPER LEVEL JET HAD
SHIFTED NORTH INTO WYOMING EARLY THIS MORNING. AS A RESULT...
EXISTING WINTER STORM HIGHLIGHTS HAVE BEEN CANCELLED. BEHIND
THIS...THERE WERE STILL SNOW SHOWERS MAINLY IN THE NORTHERN
MOUNTAINS AND NORTHERN FRONT RANGE FOOTHILLS. SOME FREEZING
DRIZZLE HAD ALSO DEVELOPED ACROSS THE PLAINS WITH MOIST LOW LEVEL
EASTERLY UPSLOPE FLOW. LACK OF SEEDERS ALOFT SHOULD KEEP THREAT OF
FREEZING DRIZZLE IN THE FORECAST THIS MORNING.

ATTENTION THEN TURNS TOWARD CONVECTIVE SHOWER DEVELOPMENT THIS
AFTERNOON WHICH SHOULD AFFECT MAINLY THE MOUNTAIN AREAS WHERE
INSTABILITY IS SUFFICIENT. BY THIS EVENING...THE VARIOUS SHORT AND
MEDIUM RANGE MODELS SUGGEST A DEEPER SOUTHEAST FLOW DEVELOPING
WHICH FAVORS THE NORTHERN FRONT RANGE FOOTHILLS FOR PRECIP. THE
POTENTIAL FOR HEAVY SNOWFALL LIKELY DEPENDS ON LOCATION OF UPPER
JET AND DRY SLOT...WHICH AT THIS TIME SHOULD BE JUST FAR ENOUGH
SOUTH TO BRING HEAVY SNOW THREAT BACK INTO THE NORTHERN TIER OF
MOUNTAINS AND THE LARIMER COUNTY FOOTHILLS LATER THIS AFTERNOON
THROUGH TONIGHT. AT THIS POINT...THE PROBABILITY IS HIGH ENOUGH TO
ISSUE ANOTHER WINTER STORM WARNING BEGINNING IN THOSE LOCATIONS
LATER THIS AFTERNOON. AGAIN...THERE WILL LIKELY BE ANOTHER VERY
SHARP CUTOFF OF SIGNIFICATION PRECIPITATION JUST SOUTH OF THE JET
SO SITUATION WILL NEED TO MONITORED CLOSELY.

ON THE PLAINS...LOW LEVEL SOUTHEAST FLOW WILL STRENGTHEN
CONSIDERABLY TODAY. HOWEVER...COOLER BOUNDARY LAYER FLOW SHOULD
REMAIN IN PLACE WITH PLENTY OF LOW LEVEL MOISTURE...CLOUDINESS...
AND SNOW IN AREAS THAT SAW THE HEAVY ACCUMULATIONS YESTERDAY. THE
SOUTHEAST FLOW AND SNOWPACK LOCATION SHOULD SET UP A STRONG DENVER
CYCLONE THIS AFTERNOON...KEEPING COLD AIR IN PLACE FROM THE
WESTERN SECTIONS OF DENVER NORTHWARD TO FORT COLLINS. COULD SEE A
FEW RAIN OR SNOW SHOWERS DRIFT OFF THE FRONT RANGE LATER THIS
AFTERNOON BUT BETTER CHANCE OF SNOW DEVELOPING WILL OCCUR LATER
TONIGHT AS MOISTURE BEGINS TO DEEPEN AHEAD OF DIGGING TROUGH.

.LONG TERM...UPPER TROUGH DRAPED OVER THE GREAT BASIN WILL MOVE
SOUTHEAST WEDNESDAY AND SEND A COLD FRONT RACING DOWN NORTHEASTERN
COLORADO DURING THE MORNING. UPSLOPE FLOW WILL FORM AGAINST THE
FOOTHILLS DURING THE DAY TO KEEP SNOW GOING THROUGH THE AFTERNOON
AT LEAST. SNOW WILL SPREAD OVER THE PLAINS BEHIND THE FRONT AND
AS THE UPSLOPE DEEPENS. NORTH WINDS BEHIND THE FRONT...GUSTING 30 TO
40 MPH OVER THE PLAINS WILL REMAIN THROUGHOUT WEDNESDAY DAY TO
CREATE SOME AREAS OF BLOWING AND DRIFTING SNOW. RIGHT NOW WILL NOT
ISSUE ANY HIGHLIGHTS AS THERE MAY BE A PERIOD OF RAIN MIXED WITH
SNOW OVER THE PLAINS LIMITING THE AMOUNT OF BLOWING SNOW. OTHERWISE
ALL PRECIP IS EXPECTED TO BE SNOW AS 700 TEMPS OF -14 CELSIUS
SPREAD IN BEHIND THE FRONT. THE 700 MB LOW WILL TRANSITION OVER
THE COLORADO PLAINS SOMETIME LATE AFTERNOON INTO THE
EVENING...WHICH WILL BEGIN TO DIMINISH THE SNOW FROM NORTHWEST TO
SOUTHEAST. SNOW SHOULD BE DIMINISHED JUST AFTER SUNSET IN MOST
AREAS EXCEPT THE FAR EASTERN PLAINS AND SOME LIGHT SNOW OVER THE
MOUNTAINS...UNLESS THIS SYSTEM DIGS A LITTLE FARTHER SOUTH AND
DEEPER WHICH WOULD SLOW IT DOWN. OVERALL...AMOUNTS WEDNESDAY AND
WEDNESDAY NIGHT LOOK TO BE ABOUT 2-5 INCHES OVER THE PLAINS AND
3-9 INCHES OVER THE MOUNTAINS...WITH THE LOWER AMOUNTS IN THE
VALLEYS. TEMPERATURES WEDNESDAY NIGHT WILL LIKELY BE IN THE TEENS
OVER THE PLAINS TO SINGLE DIGITS OVER THE MOUNTAINS.

THE UPPER LOW WILL MOVE EAST OF THE AREA THURSDAY. SHOULD SEE
SNOW SLOWLY DIMINISHING OVER THE MOUNTAINS AND A CHANCE OF SNOW
CONTINUING OVER THE FAR EASTERN PLAINS...BUT SHOULD BE DONE BY
LATE AFTERNOON. TEMPERATURES WILL BE WARMING SLIGHTLY BUT WILL
STILL BE AROUND 20 TO 30 DEGREES BELOW NORMAL. FRIDAY WILL
CONTINUE THE WARMING AND DRYING TREND AS A WEAK UPPER RIDGE BUILDS
OVERHEAD.

SATURDAY THROUGH MONDAY WILL FEATURE A COUPLE DISTURBANCES IN THE
NORTHWEST FLOW ALOFT TO BRING A RETURN TO UNSETTLED WEATHER. WILL
SEE AN INCREASE IN THE CHANCES OF PRECIPITATION AGAIN FOR THE
AREA. TEMPERATURES WILL BE BACK TOWARD NORMAL....BUT STILL
SLIGHTLY BELOW AVERAGE. THEREFORE WILL EXPECT MORE RAIN FOR THE
PLAINS AND CONTINUED RAIN MIXED WITH SNOW FOR THE MOUNTAINS.

&&

.AVIATION...AREAS OF IFR/LIFR CEILINGS EXPECTED ACROSS THE FRONT
RANGE AIRPORTS THIS MORNING ALONG WITH A THREAT OF LIGHT FREEZING
DRIZZLE GIVEN TEMP/MOISTURE PROFILE IN PLACE. IF WE SEE ANY SNOW
WE DO NOT SEE ANY THREAT OF ACCUMULATION WITH ONLY FLURRIES
POSSIBLE. CEILING SHOULD GRADUALLY LIFT TODAY AT KDEN AND KAPA
WITH POSSIBLE EAST/SOUTHEAST WINDS GUSTING TO AROUND 25KTS. KBJC
WILL LIKELY SEE LOWER PREVAILING CONDITIONS ON BACK SIDE OF
CYCLONE. CHANCE THAT WINDS GO BACK TO NORTH OR NORTHWEST AT KAPA
AND KDEN THIS AFTERNOON DEPENDING ON INTENSITY OF DENVER CYCLONE
THAT DEVELOPS. BEST CHANCE OF SNOW WILL BE AFTER MIDNIGHT TONIGHT
AND MAINLY WEDNESDAY WHEN DEEPER UPSLOPE FLOW OCCURS. COULD SEE
ANOTHER 2-5 INCHES OF SNOW LATE TONIGHT/WEDNESDAY.

&&

.BOU WATCHES/WARNINGS/ADVISORIES...
WINTER STORM WARNING FROM 3 PM THIS AFTERNOON TO MIDNIGHT MDT
WEDNESDAY NIGHT FOR COZ031-033-035.

&&

SHORT TERM...BARJENBRUCH
LONG TERM....KRIEDERMAN
AVIATION...BARJENBRUCH
Hazardous weather outlook, Apr 15, 11:03 AM MDT, 18 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1103 AM MDT MON APR 15 2013

COZ030>051-161715-
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-
1103 AM MDT MON APR 15 2013

...WINTER STORM WARNING FOR NORTHERN MOUNTAINS...NORTHERN FRONT
RANGE FOOTHILLS...AND NORTHEAST PLAINS NEAR THE WYOMING BORDER
THROUGH TONIGHT...
...WINTER WEATHER ADVISORY FOR THE HIGH MOUNTAIN VALLEYS AND
SUMMIT COUNTY THROUGH TONIGHT...

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

.DAY ONE...TODAY AND TONIGHT

ANOTHER STORM SYSTEM WILL MOVE OVER THE REGION THIS AFTERNOON AND
TONIGHT WITH AREAS OF HEAVY SNOW OVER MUCH OF THE MOUNTAINS AND
NORTHEAST PLAINS NEAR THE WYOMING BORDER. SNOW WILL GRADUALLY SPREAD
EAST OVER THE REMAINDER OF THE OUTLOOK AREA BY THIS EVENING.
SNOWFALL BY TUESDAY MORNING IS EXPECTED TO BE 10 TO 20 INCHES IN
THE MOUNTAINS...WHILE LOWER ELEVATIONS NEAR THE WYOMING BORDER MAY
SEE 6 TO 12 INCHES OF SNOW. ELSEWHERE...SNOWFALL WILL BE LIGHTER
WITH GENERALLY 2 TO 6 INCHES. LESSER AMOUNTS ARE EXPECTED SOUTH OF
THE INTERSTATE 76 CORRIDOR AND ESPECIALLY OVER THE PALMER DIVIDE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

DRIER AIR WILL SPREAD ACROSS THE AREA ON TUESDAY THUS ONLY SOME
LIGHT SNOW WILL OCCUR IN THE MOUNTAINS AND ACROSS THE PLAINS.
ADDITIONAL ACCUMULATIONS OF 1 TO 4 INCHES WILL BE POSSIBLE IN THE
MOUNTAINS AND NORTHERN FOOTHILLS WITH ACCUMULATIONS OF AN INCH OR
LESS OVER THE PLAINS.

AN UPPER LEVEL STORM SYSTEM WILL MOVE FROM THE GREAT BASIN
EASTWARD ACROSS COLORADO ON WEDNESDAY. AS THE SYSTEM MOVES CLOSER
TO THE AREA SNOW SHOULD INCREASE TUESDAY NIGHT THROUGH WEDNESDAY
WITH THE POTENTIAL FOR SOME HEAVY SNOW ON WEDNESDAY.

BY THURSDAY THE SYSTEM WILL EXIT THE AREA WITH ONLY A CHANCE OF
SNOW IN THE MOUNTAINS. ANOTHER WEAK SYSTEM MAY IMPACT THE HIGH
COUNTRY OVER THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Local storm report, Apr 16, 12:14 AM MDT, 5 hours 30 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
1214 AM MDT TUE APR 16 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1159 PM     HEAVY SNOW       DENVER INTL AIRPORT     39.87N 104.67W
04/15/2013  M7.0 INCH        DENVER             CO   OFFICIAL NWS OBS

1155 PM     HEAVY SNOW       NNW ILIFF               40.76N 103.07W
04/15/2013  M6.0 INCH        LOGAN              CO   TRAINED SPOTTER

            SNOW STARTED AT 7PM

1148 PM     HEAVY SNOW       WESTMINSTER             39.88N 105.05W
04/15/2013  M12.0 INCH       ADAMS              CO   TRAINED SPOTTER

1145 PM     HEAVY SNOW       SW ERIE                 40.03N 105.05W
04/15/2013  M17.1 INCH       WELD               CO   TRAINED SPOTTER

1100 PM     HEAVY SNOW       1 N GREELEY             40.44N 104.74W
04/15/2013  M11.9 INCH       WELD               CO   TRAINED SPOTTER

            2.5 INCHES IN THE LAST HOUR

1055 PM     HEAVY SNOW       10 SE ESTES PARK        40.27N 105.39W
04/15/2013  M20.0 INCH       LARIMER            CO   COCORAHS

1045 PM     HEAVY SNOW       4 WSW BERTHOUD          40.28N 105.15W
04/15/2013  M11.2 INCH       LARIMER            CO   COCORAHS

1043 PM     HEAVY SNOW       FREDERICK               40.10N 104.94W
04/15/2013  E15.0 INCH       WELD               CO   NWS EMPLOYEE

            SNOW DEPTH 14.0 INCHES

1037 PM     HEAVY SNOW       3 N CONIFER             39.57N 105.31W
04/15/2013  M12.9 INCH       JEFFERSON          CO   TRAINED SPOTTER

1035 PM     HEAVY SNOW       WSW LAFAYETTE           39.99N 105.10W
04/15/2013  M15.5 INCH       BOULDER            CO   COCORAHS

            5.8 INCHES IN THE LAST 4 HRS

1030 PM     HEAVY SNOW       GENESEE                 39.69N 105.27W
04/15/2013  M15.4 INCH       JEFFERSON          CO   TRAINED SPOTTER

            5.9 INCHES IN LAST 6 HOURS

1030 PM     HEAVY SNOW       4 ENE NEDERLAND         39.99N 105.45W
04/15/2013  M14.8 INCH       BOULDER            CO   TRAINED SPOTTER

1030 PM     HEAVY SNOW       SW ERIE                 40.03N 105.05W
04/15/2013  M16.2 INCH       WELD               CO   TRAINED SPOTTER

1027 PM     HEAVY SNOW       1 NNW LOUISVILLE        39.99N 105.15W
04/15/2013  M14.9 INCH       BOULDER            CO   TRAINED SPOTTER

            CURRENT SNOW RATE 1 INCH PER HOUR.

1014 PM     HEAVY SNOW       BERGEN PARK             39.69N 105.36W
04/15/2013  M10.5 INCH       JEFFERSON          CO   TRAINED SPOTTER

1000 PM     HEAVY SNOW       5 E BOULDER             40.03N 105.16W
04/15/2013  M16.3 INCH       BOULDER            CO   TRAINED SPOTTER

            SNOW DEPTH 13.0 INCHES.

0946 PM     SNOW             4 NW CASTLE ROCK        39.42N 104.90W
04/15/2013  M3.6 INCH        DOUGLAS            CO   TRAINED SPOTTER

0945 PM     HEAVY SNOW       2 ENE BERGEN PARK       39.71N 105.32W
04/15/2013  M13.5 INCH       JEFFERSON          CO   TRAINED SPOTTER

0920 PM     HEAVY SNOW       3 NNE BAILEY            39.43N 105.44W
04/15/2013  M8.0 INCH        PARK               CO   TRAINED SPOTTER

0920 PM     HEAVY SNOW       2 NW FREDERICK          40.12N 104.96W
04/15/2013  M15.0 INCH       WELD               CO   TRAINED SPOTTER

            6 INCHES PAST 4 HOURS

0918 PM     HEAVY SNOW       3 SSW BOULDER           39.99N 105.28W
04/15/2013  M13.4 INCH       BOULDER            CO   NWS EMPLOYEE

            DAVID SKAGGS RESEARCH CENTER NOAA

0900 PM     HEAVY SNOW       3 W GREELEY             40.42N 104.80W
04/15/2013  M7.2 INCH        WELD               CO   NWS EMPLOYEE

0900 PM     HEAVY SNOW       4 N LOVELAND            40.48N 105.07W
04/15/2013  M10.2 INCH       LARIMER            CO   TRAINED SPOTTER

0900 PM     HEAVY SNOW       1 WSW BROOMFIELD        39.93N 105.08W
04/15/2013  M14.4 INCH       BROOMFIELD         CO   TRAINED SPOTTER

0900 PM     HEAVY SNOW       N KEN CARYL             39.58N 105.11W
04/15/2013  M9.7 INCH        JEFFERSON          CO   TRAINED SPOTTER

0900 PM     HEAVY SNOW       3 N BLACK HAWK          39.84N 105.49W
04/15/2013  M12.2 INCH       GILPIN             CO   TRAINED SPOTTER

0854 PM     HEAVY SNOW       2 SE ERIE               40.01N 105.02W
04/15/2013  M13.0 INCH       WELD               CO   TRAINED SPOTTER

0848 PM     HEAVY SNOW       1 SSW LAFAYETTE         39.99N 105.10W
04/15/2013  M11.5 INCH       BOULDER            CO   TRAINED SPOTTER

0830 PM     HEAVY SNOW       2 SSE LITTLETON         39.57N 105.00W
04/15/2013  M7.7 INCH        ARAPAHOE           CO   TRAINED SPOTTER

0825 PM     HEAVY SNOW       3 NW IDLEDALE           39.70N 105.28W
04/15/2013  M14.0 INCH       JEFFERSON          CO   TRAINED SPOTTER

0820 PM     HEAVY SNOW       4 NE THORNTON           39.93N 104.90W
04/15/2013  M9.1 INCH        ADAMS              CO   TRAINED SPOTTER

0805 PM     HEAVY SNOW       1 SW ERIE               40.02N 105.06W
04/15/2013  M13.5 INCH       BOULDER            CO   TRAINED SPOTTER

0805 PM     HEAVY SNOW       4 S FORT COLLINS        40.50N 105.07W
04/15/2013  M7.0 INCH        LARIMER            CO   TRAINED SPOTTER

0800 PM     HEAVY SNOW       2 ESE ARVADA            39.81N 105.07W
04/15/2013  M12.0 INCH       JEFFERSON          CO   TRAINED SPOTTER

0800 PM     HEAVY SNOW       2 SSE BRECKENRIDGE      39.47N 106.03W
04/15/2013  M5.6 INCH        SUMMIT             CO   TRAINED SPOTTER

0800 PM     HEAVY SNOW       4 N LOVELAND            40.48N 105.07W
04/15/2013  M10.2 INCH       LARIMER            CO   TRAINED SPOTTER

0800 PM     HEAVY SNOW       5 E BOULDER             40.03N 105.16W
04/15/2013  M13.7 INCH       BOULDER            CO   TRAINED SPOTTER

0755 PM     HEAVY SNOW       1 SE GLENDEVEY          40.77N 105.94W
04/15/2013  M7.3 INCH        LARIMER            CO   TRAINED SPOTTER

0745 PM     HEAVY SNOW       5 NE NORTHGLENN         39.96N 104.91W
04/15/2013  M9.0 INCH        ADAMS              CO   TRAINED SPOTTER

0745 PM     SNOW             13 E NUNN               40.70N 104.53W
04/15/2013  M2.0 INCH        WELD               CO   TRAINED SPOTTER

0745 PM     HEAVY SNOW       1 SW WESTMINSTER        39.87N 105.07W
04/15/2013  M13.6 INCH       JEFFERSON          CO   TRAINED SPOTTER

0730 PM     HEAVY SNOW       SUPERIOR                39.93N 105.15W
04/15/2013  M10.0 INCH       BOULDER            CO   TRAINED SPOTTER

0730 PM     HEAVY SNOW       1 SSE ERIE              40.02N 105.04W
04/15/2013  M13.0 INCH       WELD               CO   TRAINED SPOTTER

0715 PM     SNOW             5 SSW ARAPAHOE PARK     39.57N 104.71W
04/15/2013  M5.7 INCH        ARAPAHOE           CO   TRAINED SPOTTER

0715 PM     HEAVY SNOW       GENESEE                 39.69N 105.27W
04/15/2013  M13.2 INCH       JEFFERSON          CO   TRAINED SPOTTER

0715 PM     HEAVY SNOW       2 NW FREDERICK          40.12N 104.96W
04/15/2013  M12.0 INCH       WELD               CO   TRAINED SPOTTER

            3 INCHES PAST 2 HOURS

0715 PM     HEAVY SNOW       1 SE FREDERICK          40.09N 104.93W
04/15/2013  M11.6 INCH       WELD               CO   TRAINED SPOTTER

0700 PM     SNOW             4 NNW CASTLE ROCK       39.43N 104.88W
04/15/2013  M2.7 INCH        DOUGLAS            CO   TRAINED SPOTTER

0700 PM     HEAVY SNOW       2 ENE BROOMFIELD        39.96N 105.03W
04/15/2013  M12.0 INCH       BROOMFIELD         CO   TRAINED SPOTTER

0700 PM     HEAVY SNOW       1 NE ESTES PARK         40.38N 105.51W
04/15/2013  M18.0 INCH       LARIMER            CO   TRAINED SPOTTER

0700 PM     HEAVY SNOW       1 NNW LOUISVILLE        39.99N 105.15W
04/15/2013  M12.0 INCH       BOULDER            CO   TRAINED SPOTTER

0700 PM     HEAVY SNOW       5 NW DENVER             39.77N 105.03W
04/15/2013  M9.5 INCH        DENVER             CO   TRAINED SPOTTER

0655 PM     HEAVY SNOW       4 S DENVER              39.67N 104.96W
04/15/2013  E5.0 INCH        DENVER             CO   TRAINED SPOTTER

0651 PM     HEAVY SNOW       1 WSW BROOMFIELD        39.93N 105.08W
04/15/2013  M10.3 INCH       BROOMFIELD         CO   NWS EMPLOYEE

            2.7 INCHES IN PAST HOUR

0650 PM     HEAVY SNOW       1 ESE WHEAT RIDGE       39.77N 105.07W
04/15/2013  M8.7 INCH        JEFFERSON          CO   CO-OP OBSERVER

0646 PM     HEAVY SNOW       3 ESE TINY TOWN         39.58N 105.16W
04/15/2013  M6.5 INCH        JEFFERSON          CO   TRAINED SPOTTER

0646 PM     HEAVY SNOW       13 NW GOLDEN            39.87N 105.39W
04/15/2013  M9.8 INCH        JEFFERSON          CO   TRAINED SPOTTER

0630 PM     HEAVY SNOW       11 SE ESTES PARK        40.26N 105.37W
04/15/2013  M17.0 INCH       BOULDER            CO   TRAINED SPOTTER

0630 PM     HEAVY SNOW       WSW LAFAYETTE           39.99N 105.10W
04/15/2013  M10.0 INCH       BOULDER            CO   TRAINED SPOTTER

0630 PM     HEAVY SNOW       2 E LONGMONT            40.18N 105.07W
04/15/2013  M7.5 INCH        BOULDER            CO   TRAINED SPOTTER

0630 PM     HEAVY SNOW       1 NNW FEDERAL HEIGHTS   39.88N 105.03W
04/15/2013  M7.8 INCH        ADAMS              CO   TRAINED SPOTTER

0630 PM     HEAVY SNOW       2 SE ERIE               40.01N 105.02W
04/15/2013  M9.0 INCH        WELD               CO   TRAINED SPOTTER

0626 PM     HEAVY SNOW       4 NW BOULDER            40.07N 105.30W
04/15/2013  M9.5 INCH        BOULDER            CO   TRAINED SPOTTER

0625 PM     HEAVY SNOW       GENESEE                 39.69N 105.27W
04/15/2013  M12.3 INCH       JEFFERSON          CO   TRAINED SPOTTER

0620 PM     HEAVY SNOW       1 SW ERIE               40.02N 105.06W
04/15/2013  M11.5 INCH       BOULDER            CO   TRAINED SPOTTER

0615 PM     SNOW             5 SSW ARAPAHOE PARK     39.57N 104.71W
04/15/2013  M3.6 INCH        ARAPAHOE           CO   TRAINED SPOTTER

0609 PM     HEAVY SNOW       1 WNW ELDORADO SPRINGS  39.93N 105.28W
04/15/2013  M11.2 INCH       BOULDER            CO   TRAINED SPOTTER

0550 PM     HEAVY SNOW       N LONGMONT              40.17N 105.11W
04/15/2013  M8.0 INCH        BOULDER            CO   TRAINED SPOTTER

0548 PM     HEAVY SNOW       5 NW DENVER             39.77N 105.03W
04/15/2013  M8.0 INCH        DENVER             CO   TRAINED SPOTTER

0544 PM     HEAVY SNOW       1 SW WESTMINSTER        39.87N 105.07W
04/15/2013  M9.2 INCH        JEFFERSON          CO   TRAINED SPOTTER

0530 PM     HEAVY SNOW       1 WSW BROOMFIELD        39.93N 105.08W
04/15/2013  M7.8 INCH        BROOMFIELD         CO   NWS EMPLOYEE

0530 PM     SNOW             2 W LITTLETON           39.59N 105.05W
04/15/2013  M5.5 INCH        ARAPAHOE           CO   TRAINED SPOTTER

0530 PM     HEAVY SNOW       1 W NORTHGLENN          39.91N 104.99W
04/15/2013  M7.6 INCH        ADAMS              CO   TRAINED SPOTTER

0530 PM     HEAVY SNOW       3 WSW CONIFER           39.50N 105.35W
04/15/2013  M8.0 INCH        JEFFERSON          CO   TRAINED SPOTTER

0524 PM     HEAVY SNOW       GENESEE                 39.69N 105.27W
04/15/2013  M11.2 INCH       JEFFERSON          CO   TRAINED SPOTTER

0510 PM     HEAVY SNOW       BERGEN PARK             39.69N 105.36W
04/15/2013  M7.8 INCH        JEFFERSON          CO   TRAINED SPOTTER

0500 PM     HEAVY SNOW       5 NE NORTHGLENN         39.96N 104.91W
04/15/2013  M6.5 INCH        ADAMS              CO   TRAINED SPOTTER

0500 PM     HEAVY SNOW       2 NE CONIFER            39.54N 105.27W
04/15/2013  M8.0 INCH        JEFFERSON          CO   TRAINED SPOTTER

0500 PM     HEAVY SNOW       FORT COLLINS            40.56N 105.07W
04/15/2013  M9.0 INCH        LARIMER            CO   TRAINED SPOTTER

0500 PM     HEAVY SNOW       6 E BOULDER             40.03N 105.14W
04/15/2013  M11.0 INCH       BOULDER            CO   TRAINED SPOTTER

0455 PM     HEAVY SNOW       4 ENE NEDERLAND         39.99N 105.45W
04/15/2013  M11.5 INCH       BOULDER            CO   TRAINED SPOTTER

0455 PM     HEAVY SNOW       4 WSW ELDORADO SPRINGS  39.91N 105.34W
04/15/2013  M10.0 INCH       JEFFERSON          CO   TRAINED SPOTTER

0448 PM     HEAVY SNOW       WESTMINSTER             39.88N 105.05W
04/15/2013  M6.2 INCH        ADAMS              CO   TRAINED SPOTTER

0445 PM     SNOW             2 SSE FEDERAL HEIGHTS   39.84N 105.00W
04/15/2013  M5.0 INCH        ADAMS              CO   TRAINED SPOTTER

0430 PM     HEAVY SNOW       5 NW DENVER             39.77N 105.03W
04/15/2013  M6.4 INCH        DENVER             CO   NWS EMPLOYEE

0430 PM     HEAVY SNOW       5 N LYONS               40.30N 105.27W
04/15/2013  M10.0 INCH       LARIMER            CO   TRAINED SPOTTER

0425 PM     HEAVY SNOW       3 NNE BAILEY            39.43N 105.44W
04/15/2013  M6.5 INCH        PARK               CO   TRAINED SPOTTER

0425 PM     HEAVY SNOW       GENESEE                 39.69N 105.27W
04/15/2013  M9.5 INCH        JEFFERSON          CO   TRAINED SPOTTER

0424 PM     HEAVY SNOW       1 S EVERGREEN           39.63N 105.34W
04/15/2013  M10.0 INCH       JEFFERSON          CO   TRAINED SPOTTER

0400 PM     SNOW             2 ENE BROOMFIELD        39.96N 105.03W
04/15/2013  M5.0 INCH        BROOMFIELD         CO   TRAINED SPOTTER

0400 PM     HEAVY SNOW       4 ENE CONIFER           39.54N 105.23W
04/15/2013  M6.3 INCH        JEFFERSON          CO   TRAINED SPOTTER

0400 PM     HEAVY SNOW       2 WSW BROOMFIELD        39.93N 105.09W
04/15/2013  E6.2 INCH        BROOMFIELD         CO   TRAINED SPOTTER

0347 PM     HEAVY SNOW       2 ENE BERGEN PARK       39.71N 105.32W
04/15/2013  M7.0 INCH        JEFFERSON          CO   TRAINED SPOTTER

0345 PM     HEAVY SNOW       3 SSW NIWOT             40.06N 105.18W
04/15/2013  M7.3 INCH        BOULDER            CO   TRAINED SPOTTER

0330 PM     SNOW             1 W NORTHGLENN          39.91N 104.99W
04/15/2013  M5.5 INCH        ADAMS              CO   TRAINED SPOTTER

0330 PM     HEAVY SNOW       FREDERICK               40.10N 104.94W
04/15/2013  M8.5 INCH        WELD               CO   NWS EMPLOYEE

0325 PM     HEAVY SNOW       GENESEE                 39.69N 105.27W
04/15/2013  M8.0 INCH        JEFFERSON          CO   TRAINED SPOTTER

            1.7 INCHES PAST 1 HOUR 15 MINUTES

0313 PM     HEAVY SNOW       N FAIRPLAY              39.23N 106.00W
04/15/2013  M6.0 INCH        PARK               CO   TRAINED SPOTTER

0311 PM     HEAVY SNOW       2 SSE ESTES PARK        40.34N 105.51W
04/15/2013  M16.7 INCH       LARIMER            CO   TRAINED SPOTTER

0300 PM     HEAVY SNOW       2 N LONGMONT            40.20N 105.11W
04/15/2013  M7.3 INCH        BOULDER            CO   TRAINED SPOTTER

0300 PM     HEAVY SNOW       1 NNW LOUISVILLE        39.99N 105.15W
04/15/2013  M9.4 INCH        BOULDER            CO   TRAINED SPOTTER

0259 PM     HEAVY SNOW       3 S EVERGREEN           39.59N 105.34W
04/15/2013  M8.0 INCH        JEFFERSON          CO   TRAINED SPOTTER

0258 PM     HEAVY SNOW       1 NE ESTES PARK         40.38N 105.51W
04/15/2013  M17.5 INCH       LARIMER            CO   TRAINED SPOTTER

0210 PM     HEAVY SNOW       GENESEE                 39.69N 105.27W
04/15/2013  M6.3 INCH        JEFFERSON          CO   TRAINED SPOTTER

0206 PM     SNOW             WESTMINSTER             39.88N 105.05W
04/15/2013  M4.5 INCH        ADAMS              CO   TRAINED SPOTTER

0158 PM     HEAVY SNOW       ERIE                    40.03N 105.05W
04/15/2013  M6.0 INCH        WELD               CO   TRAINED SPOTTER

0155 PM     HEAVY SNOW       1 SE WINDSOR            40.47N 104.89W
04/15/2013  M7.3 INCH        WELD               CO   TRAINED SPOTTER

0152 PM     HEAVY SNOW       1 SSW LAFAYETTE         39.99N 105.10W
04/15/2013  M6.2 INCH        BOULDER            CO   TRAINED SPOTTER

0148 PM     HEAVY SNOW       2 W LOVELAND            40.42N 105.12W
04/15/2013  M9.5 INCH        LARIMER            CO   TRAINED SPOTTER

0144 PM     HEAVY SNOW       SSW NIWOT               40.10N 105.16W
04/15/2013  M7.5 INCH        BOULDER            CO   TRAINED SPOTTER

0110 PM     HEAVY SNOW       4 SSE BROOKVALE         39.58N 105.39W
04/15/2013  M9.5 INCH        JEFFERSON          CO   TRAINED SPOTTER

0105 PM     SNOW             1 SSW LAFAYETTE         39.99N 105.10W
04/15/2013  M4.2 INCH        BOULDER            CO   TRAINED SPOTTER

1255 PM     HEAVY SNOW       6 NW LYONS              40.28N 105.35W
04/15/2013  M13.0 INCH       LARIMER            CO   TRAINED SPOTTER

1248 PM     HEAVY SNOW       4 SSE PINECLIFFE        39.88N 105.39W
04/15/2013  M9.0 INCH        JEFFERSON          CO   TRAINED SPOTTER

1244 PM     SNOW             1 SE FREDERICK          40.09N 104.93W
04/15/2013  M5.1 INCH        WELD               CO   TRAINED SPOTTER

1230 PM     SNOW             BROOMFIELD              39.94N 105.06W
04/15/2013  M2.8 INCH        BROOMFIELD         CO   NWS EMPLOYEE

1230 PM     HEAVY SNOW       2 SSE LOVELAND          40.39N 105.06W
04/15/2013  E8.5 INCH        LARIMER            CO   TRAINED SPOTTER

1222 PM     HEAVY SNOW       2 SSE ESTES PARK        40.34N 105.51W
04/15/2013  M14.2 INCH       LARIMER            CO   TRAINED SPOTTER

&&

LK
Local storm report, Apr 16, 2:32 AM MDT, 3 hours 12 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
232 AM MDT TUE APR 16 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0158 AM     HEAVY SNOW       1 S THORNTON            39.88N 104.96W
04/16/2013  M11.5 INCH       ADAMS              CO   TRAINED SPOTTER

0105 AM     HEAVY SNOW       2 W WHEAT RIDGE         39.77N 105.14W
04/16/2013  M12.7 INCH       JEFFERSON          CO   TRAINED SPOTTER

1259 AM     HEAVY SNOW       4 N LOVELAND            40.48N 105.07W
04/16/2013  M15.0 INCH       LARIMER            CO   TRAINED SPOTTER

1244 AM     HEAVY SNOW       1 NNW LOUISVILLE        39.99N 105.15W
04/16/2013  M15.6 INCH       BOULDER            CO   TRAINED SPOTTER

1159 PM     HEAVY SNOW       DENVER INTL AIRPORT     39.87N 104.67W
04/15/2013  M7.0 INCH        DENVER             CO   OFFICIAL NWS OBS

1155 PM     HEAVY SNOW       NNW ILIFF               40.76N 103.07W
04/15/2013  M6.0 INCH        LOGAN              CO   TRAINED SPOTTER

            SNOW STARTED AT 7PM

1148 PM     HEAVY SNOW       WESTMINSTER             39.88N 105.05W
04/15/2013  M12.0 INCH       ADAMS              CO   TRAINED SPOTTER

1145 PM     HEAVY SNOW       SW ERIE                 40.03N 105.05W
04/15/2013  M17.1 INCH       WELD               CO   TRAINED SPOTTER

1100 PM     HEAVY SNOW       1 N GREELEY             40.44N 104.74W
04/15/2013  M11.9 INCH       WELD               CO   TRAINED SPOTTER

            2.5 INCHES IN THE LAST HOUR

1055 PM     HEAVY SNOW       10 SE ESTES PARK        40.27N 105.39W
04/15/2013  M20.0 INCH       LARIMER            CO   COCORAHS

1045 PM     HEAVY SNOW       4 WSW BERTHOUD          40.28N 105.15W
04/15/2013  M11.2 INCH       LARIMER            CO   COCORAHS

1043 PM     HEAVY SNOW       FREDERICK               40.10N 104.94W
04/15/2013  E15.0 INCH       WELD               CO   NWS EMPLOYEE

            SNOW DEPTH 14.0 INCHES

1037 PM     HEAVY SNOW       3 N CONIFER             39.57N 105.31W
04/15/2013  M12.9 INCH       JEFFERSON          CO   TRAINED SPOTTER

1035 PM     HEAVY SNOW       WSW LAFAYETTE           39.99N 105.10W
04/15/2013  M15.5 INCH       BOULDER            CO   COCORAHS

            5.8 INCHES IN THE LAST 4 HRS

1030 PM     HEAVY SNOW       GENESEE                 39.69N 105.27W
04/15/2013  M15.4 INCH       JEFFERSON          CO   TRAINED SPOTTER

            5.9 INCHES IN LAST 6 HOURS

1030 PM     HEAVY SNOW       SW ERIE                 40.03N 105.05W
04/15/2013  M16.2 INCH       WELD               CO   TRAINED SPOTTER

1030 PM     HEAVY SNOW       4 ENE NEDERLAND         39.99N 105.45W
04/15/2013  M14.8 INCH       BOULDER            CO   TRAINED SPOTTER

1027 PM     HEAVY SNOW       1 NNW LOUISVILLE        39.99N 105.15W
04/15/2013  M14.9 INCH       BOULDER            CO   TRAINED SPOTTER

            CURRENT SNOW RATE 1 INCH PER HOUR.

1014 PM     HEAVY SNOW       BERGEN PARK             39.69N 105.36W
04/15/2013  M10.5 INCH       JEFFERSON          CO   TRAINED SPOTTER

1000 PM     HEAVY SNOW       5 E BOULDER             40.03N 105.16W
04/15/2013  M16.3 INCH       BOULDER            CO   TRAINED SPOTTER

            SNOW DEPTH 13.0 INCHES.

0946 PM     SNOW             4 NW CASTLE ROCK        39.42N 104.90W
04/15/2013  M3.6 INCH        DOUGLAS            CO   TRAINED SPOTTER

0945 PM     HEAVY SNOW       2 ENE BERGEN PARK       39.71N 105.32W
04/15/2013  M13.5 INCH       JEFFERSON          CO   TRAINED SPOTTER

0920 PM     HEAVY SNOW       2 NW FREDERICK          40.12N 104.96W
04/15/2013  M15.0 INCH       WELD               CO   TRAINED SPOTTER

            6 INCHES PAST 4 HOURS

0920 PM     HEAVY SNOW       3 NNE BAILEY            39.43N 105.44W
04/15/2013  M8.0 INCH        PARK               CO   TRAINED SPOTTER

0918 PM     HEAVY SNOW       3 SSW BOULDER           39.99N 105.28W
04/15/2013  M13.4 INCH       BOULDER            CO   NWS EMPLOYEE

            DAVID SKAGGS RESEARCH CENTER NOAA

0900 PM     HEAVY SNOW       4 N LOVELAND            40.48N 105.07W
04/15/2013  M10.2 INCH       LARIMER            CO   TRAINED SPOTTER

0900 PM     HEAVY SNOW       3 W GREELEY             40.42N 104.80W
04/15/2013  M7.2 INCH        WELD               CO   NWS EMPLOYEE

0900 PM     HEAVY SNOW       1 WSW BROOMFIELD        39.93N 105.08W
04/15/2013  M14.4 INCH       BROOMFIELD         CO   TRAINED SPOTTER

0900 PM     HEAVY SNOW       N KEN CARYL             39.58N 105.11W
04/15/2013  M9.7 INCH        JEFFERSON          CO   TRAINED SPOTTER

0900 PM     HEAVY SNOW       3 N BLACK HAWK          39.84N 105.49W
04/15/2013  M12.2 INCH       GILPIN             CO   TRAINED SPOTTER

0854 PM     HEAVY SNOW       2 SE ERIE               40.01N 105.02W
04/15/2013  M13.0 INCH       WELD               CO   TRAINED SPOTTER

0848 PM     HEAVY SNOW       1 SSW LAFAYETTE         39.99N 105.10W
04/15/2013  M11.5 INCH       BOULDER            CO   TRAINED SPOTTER

0830 PM     HEAVY SNOW       2 SSE LITTLETON         39.57N 105.00W
04/15/2013  M7.7 INCH        ARAPAHOE           CO   TRAINED SPOTTER

0825 PM     HEAVY SNOW       3 NW IDLEDALE           39.70N 105.28W
04/15/2013  M14.0 INCH       JEFFERSON          CO   TRAINED SPOTTER

0820 PM     HEAVY SNOW       4 NE THORNTON           39.93N 104.90W
04/15/2013  M9.1 INCH        ADAMS              CO   TRAINED SPOTTER

0805 PM     HEAVY SNOW       4 S FORT COLLINS        40.50N 105.07W
04/15/2013  M7.0 INCH        LARIMER            CO   TRAINED SPOTTER

0805 PM     HEAVY SNOW       1 SW ERIE               40.02N 105.06W
04/15/2013  M13.5 INCH       BOULDER            CO   TRAINED SPOTTER

0800 PM     HEAVY SNOW       2 ESE ARVADA            39.81N 105.07W
04/15/2013  M12.0 INCH       JEFFERSON          CO   TRAINED SPOTTER

0800 PM     HEAVY SNOW       5 E BOULDER             40.03N 105.16W
04/15/2013  M13.7 INCH       BOULDER            CO   TRAINED SPOTTER

0800 PM     HEAVY SNOW       4 N LOVELAND            40.48N 105.07W
04/15/2013  M10.2 INCH       LARIMER            CO   TRAINED SPOTTER

0800 PM     HEAVY SNOW       2 SSE BRECKENRIDGE      39.47N 106.03W
04/15/2013  M5.6 INCH        SUMMIT             CO   TRAINED SPOTTER

0755 PM     HEAVY SNOW       1 SE GLENDEVEY          40.77N 105.94W
04/15/2013  M7.3 INCH        LARIMER            CO   TRAINED SPOTTER

0745 PM     HEAVY SNOW       5 NE NORTHGLENN         39.96N 104.91W
04/15/2013  M9.0 INCH        ADAMS              CO   TRAINED SPOTTER

0745 PM     HEAVY SNOW       1 SW WESTMINSTER        39.87N 105.07W
04/15/2013  M13.6 INCH       JEFFERSON          CO   TRAINED SPOTTER

0745 PM     SNOW             13 E NUNN               40.70N 104.53W
04/15/2013  M2.0 INCH        WELD               CO   TRAINED SPOTTER

0730 PM     HEAVY SNOW       1 SSE ERIE              40.02N 105.04W
04/15/2013  M13.0 INCH       WELD               CO   TRAINED SPOTTER

0730 PM     HEAVY SNOW       SUPERIOR                39.93N 105.15W
04/15/2013  M10.0 INCH       BOULDER            CO   TRAINED SPOTTER

0715 PM     HEAVY SNOW       GENESEE                 39.69N 105.27W
04/15/2013  M13.2 INCH       JEFFERSON          CO   TRAINED SPOTTER

0715 PM     SNOW             5 SSW ARAPAHOE PARK     39.57N 104.71W
04/15/2013  M5.7 INCH        ARAPAHOE           CO   TRAINED SPOTTER

0715 PM     HEAVY SNOW       1 SE FREDERICK          40.09N 104.93W
04/15/2013  M11.6 INCH       WELD               CO   TRAINED SPOTTER

0715 PM     HEAVY SNOW       2 NW FREDERICK          40.12N 104.96W
04/15/2013  M12.0 INCH       WELD               CO   TRAINED SPOTTER

            3 INCHES PAST 2 HOURS

0700 PM     SNOW             4 NNW CASTLE ROCK       39.43N 104.88W
04/15/2013  M2.7 INCH        DOUGLAS            CO   TRAINED SPOTTER

0700 PM     HEAVY SNOW       2 ENE BROOMFIELD        39.96N 105.03W
04/15/2013  M12.0 INCH       BROOMFIELD         CO   TRAINED SPOTTER

0700 PM     HEAVY SNOW       5 NW DENVER             39.77N 105.03W
04/15/2013  M9.5 INCH        DENVER             CO   TRAINED SPOTTER

0700 PM     HEAVY SNOW       1 NNW LOUISVILLE        39.99N 105.15W
04/15/2013  M12.0 INCH       BOULDER            CO   TRAINED SPOTTER

0700 PM     HEAVY SNOW       1 NE ESTES PARK         40.38N 105.51W
04/15/2013  M18.0 INCH       LARIMER            CO   TRAINED SPOTTER

0655 PM     HEAVY SNOW       4 S DENVER              39.67N 104.96W
04/15/2013  E5.0 INCH        DENVER             CO   TRAINED SPOTTER

0651 PM     HEAVY SNOW       1 WSW BROOMFIELD        39.93N 105.08W
04/15/2013  M10.3 INCH       BROOMFIELD         CO   NWS EMPLOYEE

            2.7 INCHES IN PAST HOUR

0650 PM     HEAVY SNOW       1 ESE WHEAT RIDGE       39.77N 105.07W
04/15/2013  M8.7 INCH        JEFFERSON          CO   CO-OP OBSERVER

0646 PM     HEAVY SNOW       3 ESE TINY TOWN         39.58N 105.16W
04/15/2013  M6.5 INCH        JEFFERSON          CO   TRAINED SPOTTER

0646 PM     HEAVY SNOW       13 NW GOLDEN            39.87N 105.39W
04/15/2013  M9.8 INCH        JEFFERSON          CO   TRAINED SPOTTER

&&

LK
Local storm report, Apr 16, 4:54 AM MDT, 50 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
454 AM MDT TUE APR 16 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0450 AM     HEAVY SNOW       4 SSE BROOKVALE         39.57N 105.40W
04/16/2013  M12.5 INCH       CLEAR CREEK        CO   TRAINED SPOTTER

0351 AM     HEAVY SNOW       3 W GREELEY             40.42N 104.80W
04/16/2013  M10.7 INCH       WELD               CO   NWS EMPLOYEE

            1.26 INCHES OF WATER

0158 AM     HEAVY SNOW       1 S THORNTON            39.88N 104.96W
04/16/2013  M11.5 INCH       ADAMS              CO   TRAINED SPOTTER

0105 AM     HEAVY SNOW       2 W WHEAT RIDGE         39.77N 105.14W
04/16/2013  M12.7 INCH       JEFFERSON          CO   TRAINED SPOTTER

1259 AM     HEAVY SNOW       4 N LOVELAND            40.48N 105.07W
04/16/2013  M15.0 INCH       LARIMER            CO   TRAINED SPOTTER

1244 AM     HEAVY SNOW       1 NNW LOUISVILLE        39.99N 105.15W
04/16/2013  M15.6 INCH       BOULDER            CO   TRAINED SPOTTER

1159 PM     HEAVY SNOW       DENVER INTL AIRPORT     39.87N 104.67W
04/15/2013  M7.0 INCH        DENVER             CO   OFFICIAL NWS OBS

1155 PM     HEAVY SNOW       NNW ILIFF               40.76N 103.07W
04/15/2013  M6.0 INCH        LOGAN              CO   TRAINED SPOTTER

            SNOW STARTED AT 7PM

1148 PM     HEAVY SNOW       WESTMINSTER             39.88N 105.05W
04/15/2013  M12.0 INCH       ADAMS              CO   TRAINED SPOTTER

1145 PM     HEAVY SNOW       SW ERIE                 40.03N 105.05W
04/15/2013  M17.1 INCH       WELD               CO   TRAINED SPOTTER

1100 PM     HEAVY SNOW       1 N GREELEY             40.44N 104.74W
04/15/2013  M11.9 INCH       WELD               CO   TRAINED SPOTTER

            2.5 INCHES IN THE LAST HOUR

1055 PM     HEAVY SNOW       10 SE ESTES PARK        40.27N 105.39W
04/15/2013  M20.0 INCH       LARIMER            CO   COCORAHS

1045 PM     HEAVY SNOW       4 WSW BERTHOUD          40.28N 105.15W
04/15/2013  M11.2 INCH       LARIMER            CO   COCORAHS

1043 PM     HEAVY SNOW       FREDERICK               40.10N 104.94W
04/15/2013  E15.0 INCH       WELD               CO   NWS EMPLOYEE

            SNOW DEPTH 14.0 INCHES

1037 PM     HEAVY SNOW       3 N CONIFER             39.57N 105.31W
04/15/2013  M12.9 INCH       JEFFERSON          CO   TRAINED SPOTTER

1035 PM     HEAVY SNOW       WSW LAFAYETTE           39.99N 105.10W
04/15/2013  M15.5 INCH       BOULDER            CO   COCORAHS

            5.8 INCHES IN THE LAST 4 HRS

1030 PM     HEAVY SNOW       4 ENE NEDERLAND         39.99N 105.45W
04/15/2013  M14.8 INCH       BOULDER            CO   TRAINED SPOTTER

1030 PM     HEAVY SNOW       GENESEE                 39.69N 105.27W
04/15/2013  M15.4 INCH       JEFFERSON          CO   TRAINED SPOTTER

            5.9 INCHES IN LAST 6 HOURS

1030 PM     HEAVY SNOW       SW ERIE                 40.03N 105.05W
04/15/2013  M16.2 INCH       WELD               CO   TRAINED SPOTTER

1027 PM     HEAVY SNOW       1 NNW LOUISVILLE        39.99N 105.15W
04/15/2013  M14.9 INCH       BOULDER            CO   TRAINED SPOTTER

            CURRENT SNOW RATE 1 INCH PER HOUR.

1014 PM     HEAVY SNOW       BERGEN PARK             39.69N 105.36W
04/15/2013  M10.5 INCH       JEFFERSON          CO   TRAINED SPOTTER

1000 PM     HEAVY SNOW       5 E BOULDER             40.03N 105.16W
04/15/2013  M16.3 INCH       BOULDER            CO   TRAINED SPOTTER

            SNOW DEPTH 13.0 INCHES.

0946 PM     SNOW             4 NW CASTLE ROCK        39.42N 104.90W
04/15/2013  M3.6 INCH        DOUGLAS            CO   TRAINED SPOTTER

0945 PM     HEAVY SNOW       2 ENE BERGEN PARK       39.71N 105.32W
04/15/2013  M13.5 INCH       JEFFERSON          CO   TRAINED SPOTTER

0920 PM     HEAVY SNOW       3 NNE BAILEY            39.43N 105.44W
04/15/2013  M8.0 INCH        PARK               CO   TRAINED SPOTTER

0920 PM     HEAVY SNOW       2 NW FREDERICK          40.12N 104.96W
04/15/2013  M15.0 INCH       WELD               CO   TRAINED SPOTTER

            6 INCHES PAST 4 HOURS

0918 PM     HEAVY SNOW       3 SSW BOULDER           39.99N 105.28W
04/15/2013  M13.4 INCH       BOULDER            CO   NWS EMPLOYEE

            DAVID SKAGGS RESEARCH CENTER NOAA

0900 PM     HEAVY SNOW       4 N LOVELAND            40.48N 105.07W
04/15/2013  M10.2 INCH       LARIMER            CO   TRAINED SPOTTER

0900 PM     HEAVY SNOW       3 N BLACK HAWK          39.84N 105.49W
04/15/2013  M12.2 INCH       GILPIN             CO   TRAINED SPOTTER

0900 PM     HEAVY SNOW       N KEN CARYL             39.58N 105.11W
04/15/2013  M9.7 INCH        JEFFERSON          CO   TRAINED SPOTTER

0900 PM     HEAVY SNOW       1 WSW BROOMFIELD        39.93N 105.08W
04/15/2013  M14.4 INCH       BROOMFIELD         CO   TRAINED SPOTTER

0900 PM     HEAVY SNOW       3 W GREELEY             40.42N 104.80W
04/15/2013  M7.2 INCH        WELD               CO   NWS EMPLOYEE

&&

LK

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 3:52 PM MDTBlizzard WatchBOUAdams, Arapahoe, Douglas, Elbert, Lincoln, Logan and 5 more16 hr
Apr 16, 3:52 PM MDTWinter Weather AdvisoryBOUAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 16 more35 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.