Alert archive / Colorado / Blizzard Warnings in 2012
Blizzard Warning 3, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this blizzard warning at Dec 18, 2012, 1:56 PM MST for 8 counties in Colorado. It took effect at Dec 19, 2012, 10:00 AM MST. It was in force for 8 hr. 11 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
- Dec 18, 2012, 1:56 PM MST (20:56 UTC)
- In effect from
- Dec 19, 2012, 10:00 AM MST
- Expired
- Dec 19, 2012, 6:14 PM MST
- In force
- 8 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Arapahoe County, CO, Douglas County, CO, Elbert County, CO, Lincoln County, CO, Logan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO
The radar
The Denver radar (KFTG), 91 km from the middle of the area, began a volume at 20:54 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 19, 10:10 AM MST | SNOW 2.5 | Highlands Ranch, CO | |
| Dec 19, 11:20 AM MST | SNOW 2 | Simla, CO | |
| Dec 19, 11:38 AM MST | SNOW 5.1 | 5 Ssw Arapahoe Park, CO | |
| Dec 19, 1:10 PM MST | SNOW 3.3 | 2 Ene Deer Trail, CO | |
| Dec 19, 2:15 PM MST | BLIZZARD | 1 Sw Holyoke, CO | SUSTAINED WINDS OF 25 TO 35 WITH GUSTS TO 49 MPH. DRIFTING OF SNOW TO 2 FEET BEHIND BUILDINGS. ROADS ARE A SHEET OF ICE. |
| Dec 19, 2:21 PM MST | BLIZZARD | Peetz, CO | SUSTAINED WINDS OF 28 TO 35 MPH WITH GUSTS TO 55 MPH. SNOW ACCUMULATION IS ESTIMATED AT 4 INCHES. DRIFTS OF 3 TO 4 FEET. |
| Dec 19, 2:31 PM MST | BLIZZARD | Limon, CO | LIMON ASOS REPORTED 1/4 VISIBLITY FOR 4 HOURS WITH SUSTAINED WINDS OF 25 TO 35 MPH WITH GUSTS TO 49 MPH AND PERIODS OF MODERATE TO HEAVY SNOW. |
| Dec 19, 2:35 PM MST | BLIZZARD | Akron, CO | AKRON ASOS REPORTED 1/4 MILE VISIBILITY FOR 4 HOURS WITH SUSTAINED WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH AND PERIODS OF MODERATE TO HEAVY SNOW. |
| Dec 19, 3:42 PM MST | SNOW 5.5 | Centennial, CO | |
| Dec 19, 4:50 PM MST | SNOW 5 | Nne Julesburg, CO | DRIFTS UP TO 1 FT DEEP, VSBY LIMITED TO 300 FT AT TIMES BETWEEN 0900 AND 1430...ENDED AROUND 1530 MST. ESTIMATED WIND GUSTS 25-35 MPH. |
| Dec 19, 4:58 PM MST | SNOW 5.1 | 4 Nnw Castle Rock, CO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 8.9 hours before the alert went out and 23 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1117 m above ground
- 0-6 km bulk shear
- 139 kt
- 0-1 km storm-relative helicity
- -74 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
577 WWUS45 KBOU 182056 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 156 PM MST TUE DEC 18 2012 ...WINTER STORM WILL SPREAD ACROSS COLORADO TONIGHT AND WEDNESDAY... .SNOW IS EXPECTED TO CONTINUE IN THE MOUNTAINS THROUGH WEDNESDAY MORNING...WITH HEAVY SNOW POSSIBLE LATE TONIGHT AND WEDNESDAY MORNING. SNOW WILL SPREAD ACROSS THE PLAINS LATE TONIGHT ANDDEVELOP ACROSS THE URBAN CORRIDOR AND NORTHEAST PLAINS LATE TONIGHT...COMBINING WITH WIND ON WEDNESDAY. THE COMBINATION OF SNOW AND BLOWING SNOW WILL PRODUCE THE POTENTIAL FOR WINTER DRIVING CONDITIONS INCLUDING ON INTERSTATES 70 AND 76. COZ041-046>051-190500- /O.UPG.KBOU.WS.A.0005.121219T1200Z-121220T0000Z/ /O.NEW.KBOU.BZ.W.0003.121219T1500Z-121220T0300Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- 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- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...FONDIS...KIOWA... LARKSPUR...AGATE...HUGO...LIMON...MATHESON...FORDER...KARVAL... KUTCH...PUNKIN CENTER...CROOK...MERINO...STERLING...PEETZ... AKRON...COPE...LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK... AMHERST...HAXTUN...HOLYOKE 156 PM MST TUE DEC 18 2012 ...BLIZZARD WARNING IN EFFECT FROM 8 AM TO 8 PM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM 8 AM TO 8 PM MST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP LATE TONIGHT AND CONTINUE THROUGH WEDNESDAY AFTERNOON. THE HEAVIEST SNOWFALL RATES WILL OCCUR IN THE MORNING. * WINDS/VISIBILITY...NORTH WINDS OF 25 TO 40 MPH WITH SOME HIGHER GUSTS WILL CREATE EXTENSIVE BLOWING AND DRIFTING CONDITIONS AND WIDESPREAD AREAS OF VISIBILITIES BELOW A QUARTER MILE. * SNOW ACCUMULATIONS...SNOW AMOUNTS OF 3 TO 6 INCHES WILL FALL BY SUNSET WEDNESDAY. * IMPACTS...ROAD CLOSURES POSSIBLE DUE TO BLOWING AND DRIFTING SNOW...INCLUDING INTERSTATES 70 AND 76. TRAVEL MAY BE DIFFICULT AREA-WIDE DURING THE MORNING HOURS. WIND CHILL VALUES WILL HOVER NEAR ZERO WEDNESDAY AFTERNOON. 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. && $$ COZ038>040-042>045-190500- /O.UPG.KBOU.WS.A.0005.121219T1200Z-121220T0000Z/ /O.NEW.KBOU.WW.Y.0022.121219T1000Z-121220T0000Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-NORTHEAST WELD COUNTY- CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA... BRIGHTON...CITY OF DENVER...DENVER INTERNATIONAL AIRPORT... HIGHLANDS RANCH...LITTLETON...PARKER...BRIGGSDALE...GROVER... PAWNEE BUTTES...RAYMER...STONEHAM...EATON...FORT LUPTON... GREELEY...ROGGEN...BRUSH...FORT MORGAN...GOODRICH...WIGGINS... BENNETT...BYERS...DEER TRAIL...LEADER 156 PM MST TUE DEC 18 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 5 PM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 3 AM TO 5 PM MST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP LATE TONIGHT AND CONTINUE THROUGH WEDNESDAY AFTERNOON. THE HEAVIEST SNOWFALL RATES WILL OCCUR IN THE MORNING. * MAIN IMPACT...TOTAL SNOW ACCUMULATIONS OF 3 TO 8 INCHES POSSIBLE. NORTH TO NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL PRODUCE EXTENSIVE BLOWING AND DRIFTING SNOW. * OTHER IMPACTS...ROAD CLOSURES POSSIBLE DUE TO BLOWING AND DRIFTING SNOW...INCLUDING INTERSTATES 70 AND 76. TRAVEL MAY BE DIFFICULT AREA-WIDE DURING THE MORNING HOURS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ031-033-034-190500- /O.NEW.KBOU.WW.Y.0022.121219T0600Z-121220T0000Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 156 PM MST TUE DEC 18 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST WEDNESDAY. * TIMING...SNOW WILL INCREASE ACROSS THE MOUNTAINS THIS EVENING...BECOMING HEAVY LATE TONIGHT. * SNOW AMOUNTS...6 TO 14 INCHES OF NEW SNOW CAN BE EXPECTED. * MAIN IMPACT...TRAVEL WILL BE IMPACTED DUE TO SNOWFALL. INCREASING WINDS LATE TONIGHT WILL CREATE AREAS OF BLOWING AND DRIFTING WHICH WILL RESTRICT VISIBILITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ035-036-190500- /O.NEW.KBOU.WW.Y.0022.121219T1000Z-121220T0000Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK 156 PM MST TUE DEC 18 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 5 PM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 3 AM TO 5 PM MST WEDNESDAY. * TIMING...SNOW WILL SPREAD ACROSS THE FOOTHILLS LATE TONIGHT AND CONTINUE WEDNESDAY. * MAIN IMPACT...SNOW AMOUNTS OF 4 TO 8 INCHES CAN BE EXPECTED. * OTHER IMPACTS...TRAVEL MAY BECOME IMPACTED WITH SNOWPACKED ROADWAYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
5 follow-up statements
569 WWUS45 KBOU 190350 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 850 PM MST TUE DEC 18 2012 ...WINTER STORM WILL SPREAD ACROSS COLORADO TONIGHT AND WEDNESDAY... .SNOW IS EXPECTED TO CONTINUE IN THE MOUNTAINS THROUGH WEDNESDAY MORNING...WITH HEAVY SNOW POSSIBLE LATE TONIGHT AND WEDNESDAY MORNING. SNOW WILL SPREAD ACROSS THE PLAINS LATE TONIGHT AND DEVELOP ACROSS THE URBAN CORRIDOR AND NORTHEAST PLAINS LATE TONIGHT...COMBINING WITH WIND ON WEDNESDAY. THE COMBINATION OF SNOW AND BLOWING SNOW WILL PRODUCE WINTER DRIVING CONDITIONS INCLUDING INTERSTATES 70 AND 76. COZ041-046>051-191200- /O.CON.KBOU.BZ.W.0003.121219T1500Z-121220T0300Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- 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- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...FONDIS...KIOWA... LARKSPUR...AGATE...HUGO...LIMON...MATHESON...FORDER...KARVAL... KUTCH...PUNKIN CENTER...CROOK...MERINO...STERLING...PEETZ... AKRON...COPE...LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK... AMHERST...HAXTUN...HOLYOKE 850 PM MST TUE DEC 18 2012 ...BLIZZARD WARNING REMAINS IN EFFECT FROM 8 AM TO 8 PM MST WEDNESDAY... * TIMING...SNOW WILL DEVELOP LATE TONIGHT AND CONTINUE THROUGH WEDNESDAY AFTERNOON. THE HEAVIEST SNOWFALL RATES WILL OCCUR IN THE MORNING. * WINDS/VISIBILITY...NORTH WINDS OF 25 TO 40 MPH WITH SOME HIGHER GUSTS WILL CREATE EXTENSIVE BLOWING AND DRIFTING CONDITIONS AND WIDESPREAD AREAS OF VISIBILITIES BELOW A QUARTER MILE. * SNOW ACCUMULATIONS...SNOW AMOUNTS OF 3 TO 7 INCHES WILL FALL BY SUNSET WEDNESDAY. * IMPACTS...ROAD CLOSURES POSSIBLE DUE TO BLOWING AND DRIFTING SNOW...INCLUDING INTERSTATES 70 AND 76. TRAVEL MAY BE DIFFICULT AREA-WIDE DURING THE MORNING HOURS. WIND CHILL VALUES WILL HOVER NEAR ZERO WEDNESDAY AFTERNOON. 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. && $$ COZ038>040-042>045-191200- /O.CON.KBOU.WW.Y.0022.121219T1000Z-121220T0000Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-NORTHEAST WELD COUNTY- CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA... BRIGHTON...CITY OF DENVER...DENVER INTERNATIONAL AIRPORT... HIGHLANDS RANCH...LITTLETON...PARKER...BRIGGSDALE...GROVER... PAWNEE BUTTES...RAYMER...STONEHAM...EATON...FORT LUPTON... GREELEY...ROGGEN...BRUSH...FORT MORGAN...GOODRICH...WIGGINS... BENNETT...BYERS...DEER TRAIL...LEADER 850 PM MST TUE DEC 18 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM TO 5 PM MST WEDNESDAY... * TIMING...SNOW WILL DEVELOP LATE TONIGHT AND CONTINUE THROUGH WEDNESDAY AFTERNOON. THE HEAVIEST SNOWFALL RATES WILL OCCUR IN THE MORNING. * MAIN IMPACT...TOTAL SNOW ACCUMULATIONS OF 3 TO 8 INCHES POSSIBLE. THE SNOW IS EXPECTED TO BE HEAVIEST NEAR THE FOOTHILLS OF LARIMER COUNTY...AND ALONG THE NORTH SIDE OF THE PALMER DIVIDE. NORTH TO NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL PRODUCE EXTENSIVE BLOWING AND DRIFTING SNOW. * OTHER IMPACTS...ROAD CLOSURES POSSIBLE DUE TO BLOWING AND DRIFTING SNOW...INCLUDING INTERSTATES 70 AND 76. TRAVEL MAY BE DIFFICULT AREA WIDE DURING THE MORNING HOURS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ031-033-034-191200- /O.CON.KBOU.WW.Y.0022.121219T0600Z-121220T0000Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 850 PM MST TUE DEC 18 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST WEDNESDAY... * TIMING...SNOW WILL INCREASE ACROSS THE MOUNTAINS THIS EVENING...BECOMING HEAVY LATE TONIGHT. * SNOW AMOUNTS...6 TO 14 INCHES OF NEW SNOW CAN BE EXPECTED. IT WILL BE HEAVIEST NORTH OF INTERSTATE 70. * MAIN IMPACT...TRAVEL WILL BE IMPACTED DUE TO SNOWFALL. INCREASING WINDS LATE TONIGHT WILL CREATE AREAS OF BLOWING AND DRIFTING WHICH WILL RESTRICT VISIBILITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ035-036-191200- /O.CON.KBOU.WW.Y.0022.121219T1000Z-121220T0000Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK 850 PM MST TUE DEC 18 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM TO 5 PM MST WEDNESDAY... * TIMING...SNOW WILL SPREAD FROM NORTH TO SOUTH ACROSS THE FOOTHILLS LATE TONIGHT AND CONTINUE WEDNESDAY. * MAIN IMPACT...SNOW AMOUNTS IN MOST AREAS WILL RANGE FROM 4 TO 8 INCHES...WITH UP TO 12 INCHES POSSIBLE IN THE FOOTHILLS OF LARIMER COUNTY. * OTHER IMPACTS...TRAVEL MAY BECOME IMPACTED WITH SNOWPACKED ROADWAYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
910 WWUS45 KBOU 191013 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 313 AM MST WED DEC 19 2012 ...WINTER STORM WILL SPREAD ACROSS COLORADO TODAY... .SNOW IS EXPECTED TO CONTINUE IN THE M0UNTAINS WHILE SNOW WILL SPREAD ACROSS THE NORTHEAST PLAINS THIS MORNING. THE STORM IS A BIT SLOWER TO ARRIVE SO THE ADVISORIES AND WARNINGS ON THE PLAINS HAVE BEEN DELAYED AROUND 2 HOURS. STRONG NORTHERLY WINDS WILL ALSO INCREASE THIS MORNING WITH GUSTS UP TO 40 MPH POSSIBLE ON THE EASTERN PLAINS. THE COMBINATION OF SNOW AND BLOWING SNOW WILL PRODUCE WINTER DRIVING CONDITIONS INCLUDING INTERSTATES 70 AND 76. COZ038>040-042>045-191815- /O.CAN.KBOU.WW.Y.0022.000000T0000Z-121220T0000Z/ /O.NEW.KBOU.WW.Y.0023.121219T1200Z-121220T0000Z/ 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-NORTHEAST WELD COUNTY- CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA... BRIGHTON...CITY OF DENVER...DENVER INTERNATIONAL AIRPORT... HIGHLANDS RANCH...LITTLETON...PARKER...BRIGGSDALE...GROVER... PAWNEE BUTTES...RAYMER...STONEHAM...EATON...FORT LUPTON... GREELEY...ROGGEN...BRUSH...FORT MORGAN...GOODRICH...WIGGINS... BENNETT...BYERS...DEER TRAIL...LEADER 313 AM MST WED DEC 19 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING...SNOW WILL DEVELOP BEFORE DAWN AND CONTINUE THROUGH WEDNESDAY AFTERNOON. THE HEAVIEST SNOWFALL RATES WILL OCCUR IN THE MORNING. * MAIN IMPACT...TOTAL SNOW ACCUMULATIONS OF 2 TO 6 INCHES POSSIBLE. THE SNOW IS EXPECTED TO BE HEAVIEST NEAR THE FOOTHILLS OF LARIMER COUNTY...AND ALONG THE NORTH SIDE OF THE PALMER DIVIDE. NORTH TO NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL PRODUCE EXTENSIVE BLOWING AND DRIFTING SNOW. * OTHER IMPACTS...ROAD CLOSURES POSSIBLE DUE TO BLOWING AND DRIFTING SNOW...INCLUDING INTERSTATES 70 AND 76. TRAVEL MAY BE DIFFICULT AREA WIDE DURING THE MORNING HOURS. 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. && $$ COZ041-046>051-191815- /O.EXT.KBOU.BZ.W.0003.121219T1700Z-121220T0300Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...FONDIS...KIOWA... LARKSPUR...AGATE...HUGO...LIMON...MATHESON...FORDER...KARVAL... KUTCH...PUNKIN CENTER...CROOK...MERINO...STERLING...PEETZ... AKRON...COPE...LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK... AMHERST...HAXTUN...HOLYOKE 313 AM MST WED DEC 19 2012 ...BLIZZARD WARNING NOW IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MST THIS EVENING... * TIMING...SNOW WILL DEVELOP AROUND THE MID MORNING HOURS AND CONTINUE THROUGH WEDNESDAY AFTERNOON. THE HEAVIEST SNOWFALL RATES WILL OCCUR IN THE LATE MORNING THROUGH MID AFTERNOON. * WINDS/VISIBILITY...NORTH WINDS OF 25 TO 40 MPH WITH SOME HIGHER GUSTS WILL CREATE EXTENSIVE BLOWING AND DRIFTING CONDITIONS AND WIDESPREAD AREAS OF VISIBILITIES BELOW A QUARTER MILE. * SNOW ACCUMULATIONS...SNOW AMOUNTS OF 3 TO 7 INCHES WILL FALL BY SUNSET WEDNESDAY. * IMPACTS...ROAD CLOSURES POSSIBLE DUE TO BLOWING AND DRIFTING SNOW...INCLUDING INTERSTATES 70 AND 76. TRAVEL MAY BE DIFFICULT AREA-WIDE DURING THE MORNING HOURS. WIND CHILL VALUES WILL HOVER NEAR ZERO WEDNESDAY AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$ COZ031-033-034-191815- /O.CON.KBOU.WW.Y.0022.000000T0000Z-121220T0000Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 313 AM MST WED DEC 19 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * TIMING...SNOW WILL CONTINUE ACROSS THE MOUNTAINS TODAY...HEAVY AT TIMES THIS MORNING. * SNOW AMOUNTS...6 TO 14 INCHES OF NEW SNOW CAN BE EXPECTED. IT WILL BE HEAVIEST NORTH OF INTERSTATE 70. * MAIN IMPACT...TRAVEL WILL BE IMPACTED DUE TO SNOWFALL. INCREASING WINDS LATE TONIGHT WILL CREATE AREAS OF BLOWING AND DRIFTING WHICH WILL RESTRICT VISIBILITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ035-036-191815- /O.CON.KBOU.WW.Y.0022.000000T0000Z-121220T0000Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK 313 AM MST WED DEC 19 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * TIMING...SNOW WILL CONTINUE TO BECOME WIDESPREAD EARLY THIS MORNING...THEN DECREASING DURING THE AFTERNOON HOURS. * MAIN IMPACT...SNOW AMOUNTS IN MOST AREAS WILL RANGE FROM 4 TO 8 INCHES...WITH UP TO 12 INCHES POSSIBLE IN THE FOOTHILLS OF LARIMER COUNTY. * OTHER IMPACTS...TRAVEL MAY BECOME IMPACTED WITH SNOWPACKED ROADWAYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
784 WWUS45 KBOU 191911 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1211 PM MST WED DEC 19 2012 ...WINTER STORM CROSSING COLORADO... .A STRONG STORM SYSTEM WAS OVER COLORADO AT NOON WEDNESDAY AND WILL PUSH EASTWARD THROUGHOUT THE AFTERNOON...EXITING THE STATE THIS EVENING. COZ041-046>051-200300- /O.CON.KBOU.BZ.W.0003.000000T0000Z-121220T0300Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- 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- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...FONDIS...KIOWA... LARKSPUR...AGATE...HUGO...LIMON...MATHESON...FORDER...KARVAL... KUTCH...PUNKIN CENTER...CROOK...MERINO...STERLING...PEETZ... AKRON...COPE...LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK... AMHERST...HAXTUN...HOLYOKE 1211 PM MST WED DEC 19 2012 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * TIMING...SNOW AND WIND WILL CONTINUE THROUGH THE AFTERNOON. * WINDS/VISIBILITY...NORTH WINDS OF 20 TO 30 MPH WITH SOME HIGHER GUSTS WILL CREATE BLOWING AND DRIFTING CONDITIONS AND AREAS OF VISIBILITIES BELOW A QUARTER MILE. CONDITIONS WILL BE WORST AT HIGHER ELEVATIONS AWAY FROM THE FRONT RANGE SUCH AS ATOP MONUMENT HILL AND NEAR THE NEBRASKA AND KANSAS BORDERS. * SNOW ACCUMULATIONS...ANOTHER INCH OR TWO BY SUNSET. * IMPACTS...TRAVEL WILL BE DIFFICULT DUE TO LOW VISIBILITIES ICY ROADS. 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. && $$ COZ038>040-042>045-200000- /O.CON.KBOU.WW.Y.0023.000000T0000Z-121220T0000Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-NORTHEAST WELD COUNTY- CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA... BRIGHTON...CITY OF DENVER...DENVER INTERNATIONAL AIRPORT... HIGHLANDS RANCH...LITTLETON...PARKER...BRIGGSDALE...GROVER... PAWNEE BUTTES...RAYMER...STONEHAM...EATON...FORT LUPTON... GREELEY...ROGGEN...BRUSH...FORT MORGAN...GOODRICH...WIGGINS... BENNETT...BYERS...DEER TRAIL...LEADER 1211 PM MST WED DEC 19 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * TIMING...OCCASIONAL SNOW WILL CONTINUE THROUGH THE AFTERNOON... BEING HEAVIEST FURTHER FROM THE MOUNTAINS. * MAIN IMPACT...AREAS OF ICY ROADS. WINDY CONDITIONS ALONG AND EAST OF I-25 WILL CREATE THE WORST CONDITIONS WITH AREAS OF BLOWING SNOW IMPACTING THOSE LOCALES...INCLUDING DENVER INTERNATIONAL AIRPORT....WITH REDUCED VISIBILITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ031-033-034-200000- /O.CON.KBOU.WW.Y.0022.000000T0000Z-121220T0000Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 1211 PM MST WED DEC 19 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * TIMING...AREAS OF SNOW WILL CONTINUE THROUGH THE AFTERNOON. * MAIN IMPACT...TRAVEL WILL BE IMPACTED DUE TO SNOWFALL. INCREASING WINDS LATE TONIGHT WILL CREATE AREAS OF BLOWING AND DRIFTING WHICH WILL RESTRICT VISIBILITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ035-036-200000- /O.CON.KBOU.WW.Y.0022.000000T0000Z-121220T0000Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK 1211 PM MST WED DEC 19 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * TIMING...OCCASIONAL LIGHT SNOW WILL CONTINUE THROUGH THE AFTERNOON. * MAIN IMPACT...AREAS OF ICY ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
498 WWUS45 KBOU 192154 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 254 PM MST WED DEC 19 2012 COZ038>040-042>045-192300- /O.CAN.KBOU.WW.Y.0023.000000T0000Z-121220T0000Z/ 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-NORTHEAST WELD COUNTY- CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA... BRIGHTON...CITY OF DENVER...DENVER INTERNATIONAL AIRPORT... HIGHLANDS RANCH...LITTLETON...PARKER...BRIGGSDALE...GROVER... PAWNEE BUTTES...RAYMER...STONEHAM...EATON...FORT LUPTON... GREELEY...ROGGEN...BRUSH...FORT MORGAN...GOODRICH...WIGGINS... BENNETT...BYERS...DEER TRAIL...LEADER 254 PM MST WED DEC 19 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER WEATHER ADVISORY. $$ COZ031-033>036-192300- /O.CAN.KBOU.WW.Y.0022.000000T0000Z-121220T0000Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK...ESTES PARK...GLENDEVEY... NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY... EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 254 PM MST WED DEC 19 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER WEATHER ADVISORY. $$ COZ041-200000- /O.EXT.KBOU.BZ.W.0003.000000T0000Z-121220T0000Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...FONDIS...KIOWA... LARKSPUR 254 PM MST WED DEC 19 2012 ...BLIZZARD WARNING NOW IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * TIMING...SNOW HAS PRETTY MUCH ENDED BUT SOME BLOWING SNOW WILL CONTINUE UNTIL AROUND 5 PM. * WINDS/VISIBILITY...NORTH WINDS OF 20 TO 30 MPH WITH HIGHER GUSTS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES AT TIMES. CONDITIONS WILL IMPROVE AND WINDS BEGIN TO DECREASE BY AROUND 5 PM. * IMPACTS...TRAVEL WILL BE DIFFICULT DUE TO LOW VISIBILITIES ICY ROADS. 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. && $$ COZ046>051-200300- /O.CON.KBOU.BZ.W.0003.000000T0000Z-121220T0300Z/ NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...AGATE...HUGO...LIMON...MATHESON... FORDER...KARVAL...KUTCH...PUNKIN CENTER...CROOK...MERINO... STERLING...PEETZ...AKRON...COPE...LAST CHANCE...OTIS... JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE 254 PM MST WED DEC 19 2012 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * TIMING...FALLING SNOW WILL CONTINUE TO DECREASE IN COVERAGE AND INTENSITY THROUGH 8 PM BUT BLOWING AND DRIFTING SNOW WILL PERSIST THROUGH THEN. * WINDS/VISIBILITY...NORTH WINDS OF 20 TO 30 MPH WITH SOME GUSTS APPROACHING 45 MPH WILL SLOWLY SUBSIDE THROUGH THE REST OF THE AFTERNOON AND INTO THE EVENING HOURS. BLOWING AND DRIFTING SNOW WILL CONTINUE TO REDUCE VISIBILITIES BUT CONDITIONS WILL SLOWLY IMPROVE AFTER DARK. * SNOW ACCUMULATIONS...ANOTHER INCH MAY FALL BY SUNSET. DRIFTS UP TO 4 FEET HAVE BEEN REPORTED IN SOME LOCATIONS ACROSS THE NORTHEAST PLAINS. * IMPACTS...TRAVEL WILL CONTINUE TO BE DIFFICULT DUE TO LOW VISIBILITIES AND ICY ROADS THROUGH EARLY EVENING. ICY ROADS WILL PERSIST THROUGH THE NIGHT BUT VISIBILITIES SHOULD IMPROVE THROUGHOUT THE EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$
879 WWUS45 KBOU 200114 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 614 PM MST WED DEC 19 2012 ...STORM SYSTEM EXITING THE STATE... .THE STORM SYSTEM THAT BROUGHT SNOW AND BLOWING SNOW TO THE NORTHEAST PLAINS OF COLORADO IS EXITING THE STATE. THE SNOW AND WIND ASSOCIATED WITH THIS SYSTEM WILL CONTINUE TO DIMINISH THROUGH THE EARLY EVENING HOURS. AS A RESULT...THE BLIZZARD WARNING FOR PORTIONS OF THE NORTHEAST PLAINS HAS BEEN CANCELLED. ALTHOUGH CONDITIONS ARE IMPROVING TRAVELERS ARE ADVISED TO EXERCISE CAUTION AS UNTREATED ROADS WILL REMAIN ICY AND SNOWPACKED OVERNIGHT. COZ046>051-200215- /O.CAN.KBOU.BZ.W.0003.000000T0000Z-121220T0300Z/ 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- INCLUDING THE CITIES OF...AGATE...HUGO...LIMON...MATHESON... FORDER...KARVAL...KUTCH...PUNKIN CENTER...CROOK...MERINO... STERLING...PEETZ...AKRON...COPE...LAST CHANCE...OTIS... JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE 614 PM MST WED DEC 19 2012 ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE BLIZZARD WARNING. THE STORM SYSTEM THAT PRODUCED THE BLIZZARD CONDITIONS IS EXITING COLORADO. AS A RESULT...CONDITIONS ARE EXPECTED TO IMPROVE AS SNOW AND WIND CONTINUE TO DIMINISH. ALTHOUGH CONDITIONS ARE IMPROVING TRAVELERS ARE ADVISED TO EXERCISE CAUTION AS UNTREATED ROADS WILL REMAIN ICY AND SNOWPACKED OVERNIGHT. $$
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 18, 1:56 PM MST | Winter Weather Advisory | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 10 more | 25 hr |
Nearby
Blizzard Warnings in Colorado, 2012Every blizzard warning in 2012
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.