Alert archive / Colorado / Winter Storm Warnings in 2012
Winter Storm Warning 9, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at Dec 16, 2012, 2:47 PM MST for Grand County, Jackson County, Colorado. It was in force for 38 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Dec 16, 2012, 2:47 PM MST (21:47 UTC)
- Expired
- Dec 18, 2012, 5:00 AM MST
- In force
- 38 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Grand County, CO, Jackson County, CO
The radar
The Cheyenne radar (KCYS), 147 km from the middle of the area, began a volume at 21:53 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 17, 3:00 PM MST | SNOW 3 | 1 Nne Rabbit Ears Pass, CO | COLUMBINE SNOTEL PAST 24 HOURS STORM TOTAL SINCE SUNDAY MORNING 10 INCHES |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Grand Junction, CO (KGJT), launched 12:00Z, 9.8 hours before the alert went out and 239 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
- 9 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 587 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
788 WWUS45 KBOU 162147 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 247 PM MST SUN DEC 16 2012 ...PROLONGED SNOW AND BLOWING SNOW EVENT FOR THE NORTHERN MOUNTAINS OF COLORADO... .A STRONG UPPER LEVEL JET STREAM RACING OFF THE PACIFIC WILL BRING STRONG WINDS AND SEVERAL WAVES OF PACIFIC MOISTURE INTO NORTHERN COLORADO. WHILE SNOW WILL OCCUR TONIGHT AND MONDAY MORNING...THE HEAVIEST SNOWFALL IS EXPECTED TO DEVELOP MONDAY AFTERNOON AND MONDAY NIGHT. THE HEAVIEST SNOW WILL OCCUR IN THE PARK...GORE... AND SIERRA MADRE RANGES...INCLUDING RABBIT EARS PASS AND THE MOUNT ZIRKEL WILDERNESS AREAS. STRONG WINDS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW AND POOR VISIBILITIES. WINTER DRIVING CONDITIONS WILL OCCUR ACROSS ALL OF THE HIGH MOUNTAIN PASSES ALONG AND NORTH OF THE I-70 CORRIDOR. COZ031-170700- /O.UPG.KBOU.WW.Y.0020.000000T0000Z-121217T1200Z/ /O.NEW.KBOU.WS.W.0009.121216T2147Z-121218T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 247 PM MST SUN DEC 16 2012 ...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...SNOW WILL BE HEAVY AT TIMES THROUGH THIS EVENING AND THEN DECREASE A LITTLE LATE TONIGHT INTO MONDAY MORNING. HOWEVER...ANOTHER PERIOD OF HEAVIER SNOWFALL WILL LIKELY DEVELOP MONDAY AFTERNOON AND CONTINUE THROUGH MONDAY NIGHT. STRONG WINDS WILL OCCUR DURING THIS ENTIRE PERIOD WITH CONSIDERABLE BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...14 TO 26 INCHES BY EARLY TUESDAY MORNING. ADDITIONAL ACCUMULATING SNOWFALL IS EXPECTED TUESDAY INTO WEDNESDAY. * WIND...WEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 45 MPH OVER EXPOSED RIDGES. * MAIN IMPACT...STRONG WINDS AND PERIODS OF HEAVY SNOW WILL PRODUCE HARSH WINTER CONDITIONS AND DANGEROUS TRAVEL. MANY SECONDARY ROADS WILL BECOME IMPASSABLE DUE TO HEAVY SNOW ACCUMULATION AND SIGNIFICANT DRIFTING SNOW. VISIBILITIES MAY BE REDUCED TO ZERO AT TIMES. 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. && $$ COZ033-170700- /O.NEW.KBOU.WW.Y.0021.121216T2147Z-121218T1200Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS 247 PM MST SUN DEC 16 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST TUESDAY. * TIMING...SNOW WILL CONTINUE FROM TONIGHT THROUGH MONDAY NIGHT. THE HEAVIEST SNOW IS EXPECTED TO FALL FROM LATE MONDAY AFTERNOON INTO MONDAY NIGHT. * SNOW ACCUMULATIONS...8 TO 15 INCHES BY EARLY TUESDAY MORNING. ADDITIONAL ACCUMULATING SNOWFALL IS EXPECTED TUESDAY INTO WEDNESDAY. * WIND...WEST WINDS 20 TO 35 MPH WITH GUSTS IN EXCESS OF 60 MPH ABOVE TIMBERLINE. * MAIN IMPACT...SNOW AND CONSIDERABLE BLOWING SNOW WILL CREATE HAZARDOUS DRIVING CONDITIONS. WHITEOUT CONDITIONS CAN BE EXPECTED AT TIMES OVER THE HIGHER MOUNTAINS AND PASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ BARJENBRUCH
6 follow-up statements
489 WWUS45 KBOU 170401 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 901 PM MST SUN DEC 16 2012 ...PROLONGED SNOW AND BLOWING SNOW EVENT FOR THE NORTHERN MOUNTAINS OF COLORADO... .A STRONG UPPER LEVEL JET STREAM RACING OFF THE PACIFIC WILL BRING STRONG WINDS AND SEVERAL WAVES OF PACIFIC MOISTURE INTO NORTHERN COLORADO. WHILE SNOW WILL OCCUR TONIGHT AND MONDAY MORNING...THE HEAVIEST SNOWFALL IS EXPECTED TO DEVELOP MONDAY AFTERNOON AND MONDAY NIGHT. THE HEAVIEST SNOW WILL OCCUR IN THE PARK...GORE... AND SIERRA MADRE RANGES...INCLUDING RABBIT EARS PASS AND THE MOUNT ZIRKEL WILDERNESS AREAS. STRONG WINDS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW AND POOR VISIBILITIES. WINTER DRIVING CONDITIONS WILL OCCUR ACROSS ALL OF THE HIGH MOUNTAIN PASSES ALONG AND NORTH OF THE I-70 CORRIDOR. COZ031-171215- /O.CON.KBOU.WS.W.0009.000000T0000Z-121218T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 901 PM MST SUN DEC 16 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... * TIMING...SNOW WILL BE HEAVY AT TIMES THROUGH THIS EVENING AND THEN DECREASE A LITTLE LATE TONIGHT INTO MONDAY MORNING. HOWEVER...ANOTHER PERIOD OF HEAVIER SNOWFALL WILL LIKELY DEVELOP MONDAY AFTERNOON AND CONTINUE THROUGH MONDAY NIGHT. STRONG WINDS WILL OCCUR DURING THIS ENTIRE PERIOD WITH CONSIDERABLE BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...14 TO 26 INCHES BY EARLY TUESDAY MORNING. ADDITIONAL ACCUMULATING SNOWFALL IS EXPECTED TUESDAY INTO WEDNESDAY. * WIND...WEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 45 MPH OVER EXPOSED RIDGES. * MAIN IMPACT...STRONG WINDS AND PERIODS OF HEAVY SNOW WILL PRODUCE HARSH WINTER CONDITIONS AND DANGEROUS TRAVEL. MANY SECONDARY ROADS WILL BECOME IMPASSABLE DUE TO HEAVY SNOW ACCUMULATION AND SIGNIFICANT DRIFTING SNOW. VISIBILITIES MAY BE REDUCED TO ZERO AT TIMES. 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. && $$ COZ033-171215- /O.CON.KBOU.WW.Y.0021.000000T0000Z-121218T1200Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS 901 PM MST SUN DEC 16 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... * TIMING...SNOW WILL CONTINUE FROM TONIGHT THROUGH MONDAY NIGHT. THE HEAVIEST SNOW IS EXPECTED TO FALL FROM LATE MONDAY AFTERNOON INTO MONDAY NIGHT. * SNOW ACCUMULATIONS...8 TO 15 INCHES BY EARLY TUESDAY MORNING. ADDITIONAL ACCUMULATING SNOWFALL IS EXPECTED TUESDAY INTO WEDNESDAY. * WIND...WEST WINDS 20 TO 35 MPH WITH GUSTS IN EXCESS OF 60 MPH ABOVE TIMBERLINE. * MAIN IMPACT...SNOW AND CONSIDERABLE BLOWING SNOW WILL CREATE HAZARDOUS DRIVING CONDITIONS. WHITEOUT CONDITIONS CAN BE EXPECTED AT TIMES OVER THE HIGHER MOUNTAINS AND PASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
069 WWUS45 KBOU 171238 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 538 AM MST MON DEC 17 2012 ...PROLONGED SNOW AND BLOWING SNOW EVENT FOR THE NORTHERN MOUNTAINS OF COLORADO... .A STRONG UPPER LEVEL JET STREAM RACING OFF THE PACIFIC WILL BRING STRONG WINDS AND SEVERAL WAVES OF PACIFIC MOISTURE INTO NORTHERN COLORADO. THE HEAVIEST SNOWFALL IS EXPECTED TO DEVELOP THIS AFTERNOON AND TONIGHT. THE HEAVIEST SNOW WILL OCCUR IN THE PARK...GORE... AND SIERRA MADRE RANGES...INCLUDING RABBIT EARS PASS AND THE MOUNT ZIRKEL WILDERNESS AREAS. STRONG WINDS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW AND POOR VISIBILITIES. WINTER DRIVING CONDITIONS WILL OCCUR ACROSS ALL OF THE HIGH MOUNTAIN PASSES ALONG AND NORTH OF THE I-70 CORRIDOR. COZ031-172045- /O.CON.KBOU.WS.W.0009.000000T0000Z-121218T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 538 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... * TIMING...SNOW WILL BE HEAVY AT TIMES LATER THIS AFTERNOON AND CONTINUE THROUGH TONIGHT. STRONG WINDS WILL OCCUR DURING THIS ENTIRE PERIOD WITH CONSIDERABLE BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...10 TO 16 INCHES BY EARLY TUESDAY MORNING. ADDITIONAL ACCUMULATING SNOWFALL IS EXPECTED TUESDAY INTO WEDNESDAY. * WIND...WEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 45 MPH OVER EXPOSED RIDGES. * MAIN IMPACT...STRONG WINDS AND PERIODS OF HEAVY SNOW WILL PRODUCE HARSH WINTER CONDITIONS AND DANGEROUS TRAVEL. MANY SECONDARY ROADS WILL BECOME IMPASSABLE DUE TO HEAVY SNOW ACCUMULATION AND SIGNIFICANT DRIFTING SNOW. VISIBILITIES MAY BE REDUCED TO ZERO AT TIMES. 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. && $$ COZ033-172045- /O.CON.KBOU.WW.Y.0021.000000T0000Z-121218T1200Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS 538 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... * TIMING...SNOW WILL CONTINUE THROUGH TONIGHT. THE HEAVIEST SNOW IS EXPECTED TO FALL FROM LATE MONDAY AFTERNOON INTO TONIGHT. * SNOW ACCUMULATIONS...8 TO 15 INCHES BY EARLY TUESDAY MORNING. ADDITIONAL ACCUMULATING SNOWFALL IS EXPECTED TUESDAY INTO WEDNESDAY. * WIND...WEST WINDS 20 TO 35 MPH WITH GUSTS IN EXCESS OF 60 MPH ABOVE TIMBERLINE. * MAIN IMPACT...SNOW AND CONSIDERABLE BLOWING SNOW WILL CREATE HAZARDOUS DRIVING CONDITIONS. WHITEOUT CONDITIONS CAN BE EXPECTED AT TIMES OVER THE HIGHER MOUNTAINS AND PASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
055 WWUS45 KBOU 172121 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 221 PM MST MON DEC 17 2012 ...SNOW AND BLOWING SNOW TO CONTINUE FOR THE NORTHERN MOUNTAINS OF COLORADO... .A STRONG UPPER LEVEL JET STREAM RACING OFF THE PACIFIC WILL CONTINUE TO BRING STRONG WINDS AND SEVERAL WAVES OF PACIFIC MOISTURE INTO NORTHERN COLORADO. SNOW WILL CONTINUE OVER THE MOUNTAINS THROUGH TONIGHT...WITH THE HEAVIEST SNOW IN THE PARK...GORE... AND SIERRA MADRE RANGES...INCLUDING RABBIT EARS PASS AND THE MOUNT ZIRKEL WILDERNESS AREAS. STRONG WINDS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW AND POOR VISIBILITIES. WINTER DRIVING CONDITIONS WILL OCCUR ACROSS ALL OF THE HIGH MOUNTAIN PASSES ALONG AND NORTH OF THE I-70 CORRIDOR. COZ031-180530- /O.CON.KBOU.WS.W.0009.000000T0000Z-121218T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 221 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... * TIMING...SNOW AND STRONG WIND WILL CONTINUE THROUGH TONIGHT. THE SNOW WILL BE HEAVY AT TIMES. THE STRONG WINDS WILL CREATE CONSIDERABLE BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...10 TO 16 INCHES BY EARLY TUESDAY MORNING. ADDITIONAL ACCUMULATING SNOWFALL IS EXPECTED TUESDAY INTO WEDNESDAY. * WIND...WEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 45 MPH OVER EXPOSED RIDGES. * MAIN IMPACT...STRONG WINDS AND PERIODS OF HEAVY SNOW WILL PRODUCE HARSH WINTER CONDITIONS AND DANGEROUS TRAVEL. MANY SECONDARY ROADS WILL BECOME IMPASSABLE DUE TO HEAVY SNOW ACCUMULATION AND SIGNIFICANT DRIFTING SNOW. VISIBILITIES MAY BE REDUCED TO ZERO AT TIMES. 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. && $$ COZ033-180530- /O.CON.KBOU.WW.Y.0021.000000T0000Z-121218T1200Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS 221 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... * TIMING...SNOW WILL CONTINUE THROUGH TONIGHT AND WILL BE HEAVY AT TIMES. * SNOW ACCUMULATIONS...8 TO 15 INCHES BY EARLY TUESDAY MORNING. ADDITIONAL ACCUMULATING SNOWFALL IS EXPECTED TUESDAY INTO WEDNESDAY. * WIND...WEST WINDS 20 TO 35 MPH WITH GUSTS IN EXCESS OF 60 MPH ABOVE TIMBERLINE. * MAIN IMPACT...SNOW AND CONSIDERABLE BLOWING SNOW WILL CREATE HAZARDOUS DRIVING CONDITIONS. WHITEOUT CONDITIONS CAN BE EXPECTED AT TIMES OVER THE HIGHER MOUNTAINS AND PASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
953 WWUS45 KBOU 172236 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 336 PM MST MON DEC 17 2012 ...SNOW AND BLOWING SNOW TO CONTINUE FOR THE NORTHERN MOUNTAINS OF COLORADO... .A STRONG UPPER LEVEL JET STREAM RACING OFF THE PACIFIC WILL CONTINUE TO BRING STRONG WINDS AND SEVERAL WAVES OF PACIFIC MOISTURE INTO NORTHERN COLORADO. SNOW WILL CONTINUE OVER THE MOUNTAINS THROUGH TONIGHT...WITH THE HEAVIEST SNOW IN THE PARK... GORE... AND SIERRA MADRE RANGES...INCLUDING RABBIT EARS PASS AND THE MOUNT ZIRKEL WILDERNESS AREAS. STRONG WINDS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW AND POOR VISIBILITIES. WINTER DRIVING CONDITIONS WILL OCCUR ACROSS ALL OF THE HIGH MOUNTAIN PASSES ALONG AND NORTH OF THE I-70 CORRIDOR. SNOW IS EXPECTED TO DEVELOP ACROSS THE URBAN CORRIDOR AND NORTHEAST PLAINS LATE TUESDAY NIGHT INTO WEDNESDAY. THE COMBINATION OF SNOW AND BLOWING SNOW WILL PRODUCE THE POTENTIAL FOR WINTER DRIVING CONDITIONS ALONG INTERSTATES 70 AND 76 AS WELL. COZ031-180645- /O.CON.KBOU.WS.W.0009.000000T0000Z-121218T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 336 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... * TIMING...SNOW AND STRONG WIND WILL CONTINUE THROUGH TONIGHT. THE SNOW WILL BE HEAVY AT TIMES. THE STRONG WINDS WILL CREATE CONSIDERABLE BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...10 TO 16 INCHES BY EARLY TUESDAY MORNING. ADDITIONAL ACCUMULATING SNOWFALL IS EXPECTED TUESDAY INTO WEDNESDAY. * WIND...WEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 45 MPH OVER EXPOSED RIDGES. * MAIN IMPACT...STRONG WINDS AND PERIODS OF HEAVY SNOW WILL PRODUCE HARSH WINTER CONDITIONS AND DANGEROUS TRAVEL. MANY SECONDARY ROADS WILL BECOME IMPASSABLE DUE TO HEAVY SNOW ACCUMULATION AND SIGNIFICANT DRIFTING SNOW. VISIBILITIES MAY BE REDUCED TO ZERO AT TIMES. 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. && $$ COZ034-180645- /O.EXB.KBOU.WW.Y.0021.121218T0000Z-121218T1200Z/ SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...BERTHOUD PASS...BRECKENRIDGE... EAST SLOPES MOSQUITO RANGE...EAST SLOPES SOUTHERN GORE RANGE... EISENHOWER TUNNEL...INDIAN PEAKS...KENOSHA MOUNTAINS... MOUNT EVANS...WILLIAMS FORK MOUNTAINS...WINTER PARK 336 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW WHICH IS IN EFFECT UNTIL 5 AM MST TUESDAY. * TIMING...SNOW WILL CONTINUE THROUGH TONIGHT AND WILL BE HEAVY AT TIMES. * SNOW ACCUMULATIONS...4 TO 8 INCHES BY EARLY TUESDAY MORNING. ADDITIONAL ACCUMULATING SNOWFALL IS EXPECTED TUESDAY INTO WEDNESDAY. * WIND...WEST WINDS 20 TO 30 MPH WITH GUSTS IN EXCESS OF 50 MPH ABOVE TIMBERLINE. * MAIN IMPACT...SNOW AND CONSIDERABLE BLOWING SNOW WILL CREATE HAZARDOUS DRIVING CONDITIONS. WHITEOUT CONDITIONS CAN BE EXPECTED AT TIMES OVER THE HIGHER MOUNTAINS AND PASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ033-180645- /O.CON.KBOU.WW.Y.0021.000000T0000Z-121218T1200Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS 336 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... * TIMING...SNOW WILL CONTINUE THROUGH TONIGHT AND WILL BE HEAVY AT TIMES. * SNOW ACCUMULATIONS...5 TO 10 INCHES BY EARLY TUESDAY MORNING. ADDITIONAL ACCUMULATING SNOWFALL IS EXPECTED TUESDAY INTO WEDNESDAY. * WIND...WEST WINDS 25 TO 35 MPH WITH GUSTS IN EXCESS OF 60 MPH ABOVE TIMBERLINE. * MAIN IMPACT...SNOW AND CONSIDERABLE BLOWING SNOW WILL CREATE HAZARDOUS DRIVING CONDITIONS. WHITEOUT CONDITIONS CAN BE EXPECTED AT TIMES OVER THE HIGHER MOUNTAINS AND PASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ038>051-180645- /O.NEW.KBOU.WS.A.0005.121219T1200Z-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- 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- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA... BRIGHTON...CITY OF DENVER...DENVER INTERNATIONAL AIRPORT... HIGHLANDS RANCH...LITTLETON...PARKER...CASTLE ROCK...ELBERT... FONDIS...KIOWA...LARKSPUR...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN... BRUSH...FORT MORGAN...GOODRICH...WIGGINS...BENNETT...BYERS... DEER TRAIL...LEADER...AGATE...HUGO...LIMON...MATHESON...FORDER... KARVAL...KUTCH...PUNKIN CENTER...CROOK...MERINO...STERLING... PEETZ...AKRON...COPE...LAST CHANCE...OTIS...JULESBURG...OVID... SEDGWICK...AMHERST...HAXTUN...HOLYOKE 336 PM MST MON DEC 17 2012 ...WINTER STORM WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY AFTERNOON. * TIMING...SNOW WILL DEVELOP LATE TUESDAY NIGHT AND CONTINUE THROUGH WEDNESDAY AFTERNOON. * MAIN IMPACT...TOTAL SNOW ACCUMULATIONS OF 4 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
110 WWUS45 KBOU 180544 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1044 PM MST MON DEC 17 2012 ...SNOW AND BLOWING SNOW CONTINUES TONIGHT FOR THE NORTHERN MOUNTAINS OF COLORADO... ...WINTER STORM WATCH FOR THE NORTHEAST COLORADO PLAINS FOR LATE TUESDAY NIGHT AND WEDNESDAY... .A PERIOD OF HEAVY SNOW WILL OCCUR OVERNIGHT IN THE NORTH CENTRAL COLORADO MOUNTAINS. THE HEAVIEST SNOW WILL SHIFT FROM RABBIT EARS AND CAMERON PASSES ACROSS THE INTERSTATE 70 CORRIDOR DURING THE EARLY MORNING HOURS...WITH SNOW BECOMING LIGHTER TUESDAY MORNING. GUSTY WINDS WILL PRODUCE BLOWING AND DRIFTING SNOW AND POOR VISIBILITIES ABOVE 10 THOUSAND FEET. SNOW WILL INCREASE AGAIN IN THE MOUNTAINS TUESDAY NIGHT AND WEDNESDAY. SNOW IS EXPECTED TO DEVELOP ACROSS THE URBAN CORRIDOR AND NORTHEAST PLAINS LATE TUESDAY NIGHT INTO WEDNESDAY. THE COMBINATION OF SNOW AND BLOWING SNOW WILL PRODUCE THE POTENTIAL FOR WINTER DRIVING CONDITIONS ALONG INTERSTATES 70 AND 76 AS WELL. COZ031-181200- /O.CON.KBOU.WS.W.0009.000000T0000Z-121218T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 1044 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... * TIMING...SNOW AND STRONG WIND WILL CONTINUE THROUGH TONIGHT. THE SNOW WILL BE HEAVY AT TIMES. THE STRONG WINDS WILL CREATE CONSIDERABLE BLOWING AND DRIFTING SNOW. * SNOW ACCUMULATIONS...STORM TOTALS OF 10 TO 16 INCHES BY EARLY TUESDAY MORNING. LIGHTER SNOW IS EXPECTED ON TUESDAY...BUT SNOW WILL INCREASE AGAIN TUESDAY NIGHT INTO WEDNESDAY. * WIND...WEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 40 MPH OVER EXPOSED RIDGES. * MAIN IMPACT...STRONG WINDS AND PERIODS OF HEAVY SNOW WILL PRODUCE HARSH WINTER CONDITIONS AND DANGEROUS TRAVEL WITH LOW VISIBILITIES IN EXPOSED AREAS. 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. && $$ COZ033-181200- /O.CON.KBOU.WW.Y.0021.000000T0000Z-121218T1200Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS 1044 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... * TIMING...SNOW WILL CONTINUE THROUGH TONIGHT AND WILL BE HEAVY AT TIMES. * SNOW ACCUMULATIONS...5 TO 10 INCHES BY EARLY TUESDAY MORNING. LIGHTER SNOW IS EXPECTED ON TUESDAY...BUT THE SNOW WILL INCREASE AGAIN TUESDAY NIGHT INTO WEDNESDAY. * WIND...WEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH ABOVE TIMBERLINE. * MAIN IMPACT...SNOW AND CONSIDERABLE BLOWING SNOW WILL CREATE HAZARDOUS DRIVING CONDITIONS. WHITEOUT CONDITIONS CAN BE EXPECTED AT TIMES OVER THE HIGHER MOUNTAINS AND PASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ034-181200- /O.CON.KBOU.WW.Y.0021.000000T0000Z-121218T1200Z/ 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 1044 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... * TIMING...SNOW WILL CONTINUE THROUGH TONIGHT AND WILL BE HEAVY AT TIMES. * SNOW ACCUMULATIONS...4 TO 8 INCHES BY EARLY TUESDAY MORNING. LIGHTER SNOW IS EXPECTED ON TUESDAY...BUT SNOW WILL INCREASE AGAIN TUESDAY NIGHT INTO WEDNESDAY. * WIND...WEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH ABOVE TIMBERLINE. * MAIN IMPACT...SNOW AND CONSIDERABLE BLOWING SNOW WILL CREATE HAZARDOUS DRIVING CONDITIONS. WHITEOUT CONDITIONS CAN BE EXPECTED AT TIMES OVER THE HIGHER MOUNTAINS AND PASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ038>051-181300- /O.CON.KBOU.WS.A.0005.121219T1200Z-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- 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- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA... BRIGHTON...CITY OF DENVER...DENVER INTERNATIONAL AIRPORT... HIGHLANDS RANCH...LITTLETON...PARKER...CASTLE ROCK...ELBERT... FONDIS...KIOWA...LARKSPUR...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN... BRUSH...FORT MORGAN...GOODRICH...WIGGINS...BENNETT...BYERS... DEER TRAIL...LEADER...AGATE...HUGO...LIMON...MATHESON...FORDER... KARVAL...KUTCH...PUNKIN CENTER...CROOK...MERINO...STERLING... PEETZ...AKRON...COPE...LAST CHANCE...OTIS...JULESBURG...OVID... SEDGWICK...AMHERST...HAXTUN...HOLYOKE 1044 PM MST MON DEC 17 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY AFTERNOON... * TIMING...SNOW WILL DEVELOP LATE TUESDAY NIGHT AND CONTINUE THROUGH WEDNESDAY AFTERNOON. * MAIN IMPACT...TOTAL SNOW ACCUMULATIONS OF 4 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ GIMMESTAD
690 WWUS45 KBOU 181216 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 516 AM MST TUE DEC 18 2012 ...WINTER STORM WATCH FOR THE NORTHEAST COLORADO PLAINS FOR LATE TONIGHT AND WEDNESDAY... .SNOW IS EXPECTED TO DEVELOP ACROSS THE URBAN CORRIDOR AND NORTHEAST PLAINS LATE TONIGHT INTO WEDNESDAY. THE COMBINATION OF SNOW AND BLOWING SNOW WILL PRODUCE THE POTENTIAL FOR WINTER DRIVING CONDITIONS INCLUDING ON INTERSTATES 70 AND 76. COZ031-181330- /O.EXP.KBOU.WS.W.0009.000000T0000Z-121218T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 516 AM MST TUE DEC 18 2012 ...WINTER STORM WARNING HAS EXPIRED... SNOWFALL WILL BEGIN TO DIMINISH TODAY FROM YESTERDAYS STORM. HOWEVER ANOTHER 2 TO 4 INCHES OF SNOW COULD FALL THROUGHOUT THE COURSE OF THE DAY TODAY. $$ COZ033-034-181330- /O.EXP.KBOU.WW.Y.0021.000000T0000Z-121218T1200Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 516 AM MST TUE DEC 18 2012 ...WINTER WEATHER ADVISORY HAS EXPIRED... SNOWFALL WILL BEGIN TO DIMINISH TODAY FROM YESTERDAYS STORM. HOWEVER ANOTHER 1 TO 4 INCHES OF SNOW COULD FALL THROUGHOUT THE COURSE OF THE DAY TODAY. $$ COZ038>051-182315- /O.CON.KBOU.WS.A.0005.121219T1200Z-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- 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- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA... BRIGHTON...CITY OF DENVER...DENVER INTERNATIONAL AIRPORT... HIGHLANDS RANCH...LITTLETON...PARKER...CASTLE ROCK...ELBERT... FONDIS...KIOWA...LARKSPUR...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN... BRUSH...FORT MORGAN...GOODRICH...WIGGINS...BENNETT...BYERS... DEER TRAIL...LEADER...AGATE...HUGO...LIMON...MATHESON...FORDER... KARVAL...KUTCH...PUNKIN CENTER...CROOK...MERINO...STERLING... PEETZ...AKRON...COPE...LAST CHANCE...OTIS...JULESBURG...OVID... SEDGWICK...AMHERST...HAXTUN...HOLYOKE 516 AM MST TUE DEC 18 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY AFTERNOON... * 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 45 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 STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 16, 4:32 AM MST | Dense Fog Advisory | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 3 more | 4 hr |
| Dec 16, 2:47 PM MST | Winter Weather Advisory | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 38 hr |
Nearby
Winter Storm Warnings in Colorado, 2012Every winter storm 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.