Alert archive / Colorado / Winter Storm Warnings in 2017
Winter Storm Warning 3, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at Jan 8, 2017, 11:14 AM MST for 9 counties in Colorado. It was in force for 42 hr. 36 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
- Jan 8, 2017, 11:14 AM MST (18:14 UTC)
- Expired
- Jan 10, 2017, 4:53 AM MST
- In force
- 42 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Boulder County, CO, Clear Creek County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO, Summit County, CO
The radar
The Denver radar (KFTG), 102 km from the middle of the area, began a volume at 18:15 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 |
|---|---|---|---|
| Jan 8, 8:46 PM MST | SNOW 1.3 | 5 Ssw Glendevey, CO | RAWAH SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | SNOW 1.3 | 9 E Glendevey, CO | DEADMAN HILL SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | SNOW 2.6 | 3 Sw Meeker Park, CO | COPELAND LAKE SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | SNOW 2.6 | 8 Nw Glendevey, CO | ROACH SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | SNOW 3.9 | 10 Nne Silverthorne, CO | MIDDLE FORK CAMP SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | SNOW 3.9 | 1 Sw Eldora, CO | LAKE ELDORA SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | SNOW 3.9 | 3 Sw Ward, CO | NIWOT SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | SNOW 3.9 | 3 Wnw Alma, CO | BUCKSKIN JOE SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | SNOW 3.9 | 3 Wnw Pingree Park, CO | HOURGLASS LAKE SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | SNOW 3.9 | 7 E Blue River, CO | MICHIGAN CREEK SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | SNOW 3.9 | 8 Sse Rand, CO | WILLOW CREEK PASS SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | SNOW 5.2 | 4 S Longs Peak, CO | WILD BASIN SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | SNOW 5.2 | 9 Se Cameron Pass, CO | WILLOW PARK SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 6.5 | 1 Nnw Berthoud Pass, CO | BERTHOUD SUMMIT SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 6.5 | 3 S Brainard Lake, CO | UNIVERSITY CAMP SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 6.5 | 5 W Green Mountain Rese, CO | ELLIOT RIDGE SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 6.5 | 5 Wsw Grand Lake, CO | STILLWATER CREEK SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 6.5 | 6 Nw Silverthorne, CO | SUMMIT RANCH SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 7.8 | 1 Nw Climax, CO | FREMONT PASS SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 7.8 | 4 Nnw Longs Peak, CO | BEAR LAKE SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 7.8 | 6 W Arapahoe Peak, CO | HIGH LONESOME SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 7.8 | 9 Sse Spicer, CO | ARAPAHO RIDGE SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 9.1 | 1 W Copper Mountain, CO | COPPER MOUNTAIN SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 9.1 | 1 Wnw Loveland Pass, CO | LOVELAND BASIN SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 9.1 | 5 Ssw Blue River, CO | HOOSIER PASS SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 9.1 | 5 Wsw Guanella Pass, CO | JACKWHACKER GULCH SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 9.1 | 5 Wsw Winter Park, CO | FOOL CREEK SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 9.1 | 6 E Cameron Pass, CO | LONG DRAW RESERVOIR SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 9.1 | 7 Sse Cameron Pass, CO | LAKE IRENE SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 9.1 | 8 Sse Cameron Pass, CO | PHANTOM VALLEY SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 10.4 | 1 Nne Rabbit Ears Pass, CO | COLUMBINE SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 10.4 | 1 Sse Loveland Pass, CO | GRIZZLY PEAK SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 11.7 | 3 Nne Mount Audubon, CO | SAWTOOTH SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 13 | 1 Nnw Cameron Pass, CO | JOE WRIGHT SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 14.3 | 4 Se Mount Zirkel, CO | ZIRKEL SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
| Jan 8, 8:46 PM MST | HEAVY SNOW 18.2 | 9 Ene Steamboat Springs, CO | TOWER SNOTEL SNOWFALL BETWEEN 7 PM 01/07/2017 AND 7 PM 01/08/2017 ESTIMATED USING A 13.0 TO 1 SNOW-TO-LIQUID RATIO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 6.2 hours before the alert went out and 213 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1813 m above ground
- 0-6 km bulk shear
- 88 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 341 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
153 WWUS45 KBOU 081814 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1114 AM MST SUN JAN 8 2017 ...HEAVY SNOW AND STRONG WINDS IN THE MOUNTAINS THROUGH EARLY TUESDAY... .SNOW WILL CONTINUE IN THE MOUNTAINS THROUGH THIS EVENING ALONG WITH STRONG WINDS. SNOW IS EXPECTED TO DECREASE OR END LATE TONIGHT OR EARLY MONDAY MORNING. VERY MOIST AIR COMING OFF THE PACIFIC OCEAN WILL ARRIVE MONDAY MORNING...AND CONTINUE TO PLOW INTO THE MOUNTAINS THROUGH AT LEAST TUESDAY MORNING. A LONG PERIOD OF MODERATE TO HEAVY SNOWFALL IS LIKELY MONDAY INTO EARLY TUESDAY. THE HEAVIEST SNOWFALL WILL BE IN THE HIGHER MOUNTAINS NORTH OF BERTHOUD PASS...BUT THE INTERSTATE 70 CORRIDOR IS EXPECTED SEE A PERIOD OF HEAVY SNOW MONDAY AFTERNOON AND MONDAY NIGHT. THE ADDITIONAL SNOW COMBINED WITH WINDS GUSTING OVER 50 MPH IN THE HIGHER ELEVATIONS WILL CAUSE NEAR BLIZZARD CONDITIONS OVER THE HIGHER PASSES AND WILL ALSO INCREASE THE AVALANCHE DANGER. PEOPLE PLANNING ON TRAVELING THROUGH THE MOUNTAINS SHOULD CHECK ON ROAD CONDITIONS...ALLOW EXTRA TIME...AND CONSIDER TRAVELING BEFORE OR AFTER THIS STORM OR TAKING ALTERNATE ROUTES. PERIODS OF SNOW WILL CONTINUE IN THE MOUNTAINS THIS WEEK WITH SNOW FINALLY ENDING FRIDAY. COZ033-090215- /O.UPG.KBOU.WW.Y.0005.000000T0000Z-170109T1200Z/ /O.UPG.KBOU.WS.A.0003.170109T1200Z-170110T1800Z/ /O.NEW.KBOU.WS.W.0003.170108T1814Z-170110T1800Z/ 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, AND WILLOW CREEK PASS 1114 AM MST SUN JAN 8 2017 ...WINTER STORM WARNING IN EFFECT UNTIL 11 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 11 AM MST TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL CONTINUE THROUGH THIS EVENING AND THEN DECREASE FOR SHORT TIME. SNOW WILL INTENSIFY MONDAY MORNING AND BE HEAVY AT TIMES THROUGH TUESDAY MORNING. * SNOW ACCUMULATIONS...6 TO 12 INCHES OF SNOW BY LATE TONIGHT. STORM TOTALS THROUGH TUESDAY ARE LIKELY TO BE 14 TO 28 INCHES. * WIND/VISIBILITY...WEST WINDS OF 20 TO 35 MPH WILL PRODUCE AREAS OF BLOWING SNOW. HIGHER EXPOSED AREAS WILL SEE GUSTS OF 50-70 MPH WHICH WILL CREATE BLIZZARD CONDITIONS AT TIMES. * IMPACTS...MOST ROADS ARE SNOW COVERED ALREADY. CONDITIONS WILL DETERIORATE EARLY MONDAY AS HEAVY SNOW DEVELOPS. TRAVEL WILL BECOME DIFFICULT DUE TO HEAVY SNOWFALL, POOR VISIBILITIES, AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ031-090215- /O.UPG.KBOU.WW.Y.0005.000000T0000Z-170109T1200Z/ /O.UPG.KBOU.WS.A.0003.170109T1200Z-170110T1800Z/ /O.NEW.KBOU.WS.W.0003.170108T1814Z-170110T1800Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF EAST SLOPES PARK AND NORTHERN GORE RANGES, GORE PASS, AND RABBIT EARS PASS 1114 AM MST SUN JAN 8 2017 ...WINTER STORM WARNING IN EFFECT UNTIL 11 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW, WHICH IS IN EFFECT UNTIL 11 AM MST TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL CONTINUE THROUGH THIS EVENING AND THEN DECREASE FOR SHORT TIME. SNOW WILL INTENSIFY MONDAY MORNING AND BE HEAVY AT TIMES THROUGH TUESDAY MORNING. * SNOW ACCUMULATIONS...6 TO 12 INCHES OF SNOW BY LATE TONIGHT. STORM TOTALS THROUGH TUESDAY ARE LIKELY TO BE 14 TO 28 INCHES... WITH UP TO 40 INCHES OF SNOW OVER THE MOUNTAINS OF WESTERN JACKSON COUNTY. * WIND/VISIBILITY...WEST WINDS OF 20 TO 35 MPH WILL PRODUCE AREAS OF BLOWING SNOW. HIGHER EXPOSED AREAS WILL SEE GUSTS OF 50-70 MPH WHICH WILL CREATE BLIZZARD CONDITIONS AT TIMES. * IMPACTS...MOST ROADS ARE SNOW COVERED ALREADY. CONDITIONS WILL DETERIORATE EARLY MONDAY AS HEAVY SNOW DEVELOPS. TRAVEL WILL BECOME DIFFICULT DUE TO HEAVY SNOWFALL, POOR VISIBILITIES, AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ034-090215- /O.UPG.KBOU.WS.A.0003.170109T1200Z-170110T1800Z/ /O.NEW.KBOU.WS.W.0003.170108T1814Z-170110T1800Z/ 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, AND WINTER PARK 1114 AM MST SUN JAN 8 2017 ...WINTER STORM WARNING IN EFFECT UNTIL 11 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 11 AM MST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL CONTINUE THROUGH THIS EVENING AND THEN DECREASE FOR SHORT TIME. SNOW WILL INTENSIFY LATE MONDAY MORNING AND BE HEAVY AT TIMES THROUGH TUESDAY MORNING. * SNOW ACCUMULATIONS...4 TO 8 INCHES OF SNOW BY LATE TONIGHT. STORM TOTALS THROUGH TUESDAY ARE LIKELY TO BE 14 TO 28 INCHES. * WIND/VISIBILITY...WEST WINDS OF 20 TO 35 MPH WILL PRODUCE AREAS OF BLOWING SNOW. HIGHER EXPOSED AREAS WILL SEE GUSTS OF 50-70 MPH WHICH WILL CREATE BLIZZARD CONDITIONS AT TIMES. * IMPACTS...MOST ROADS ARE SNOW COVERED ALREADY. CONDITIONS WILL DETERIORATE MONDAY AS HEAVY SNOW DEVELOPS. TRAVEL WILL BECOME DIFFICULT DUE TO HEAVY SNOWFALL, POOR VISIBILITIES, AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$
5 follow-up statements
830 WWUS45 KBOU 090436 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 936 PM MST SUN JAN 8 2017 ...HEAVY SNOW AND STRONG WINDS IN THE COLORADO MOUNTAINS THROUGH EARLY TUESDAY... .THERE WILL BE A TEMPORARY LULL IN THE STORM OVERNIGHT TONIGHT. HOWEVER, HEAVY SNOW WILL REDEVELOP MONDAY MORNING AND CONTINUE THROUGH THE AFTERNOON AND THROUGH MOST OF MONDAY EVENING. SNOWFALL RATES UP TO 2 INCHES PER HOUR CAN BE EXPECTED AS THE STRONGEST PORTION OF THE STORM MOVES THROUGH. THE HEAVIEST SNOWFALL TOTALS WILL BE IN THE HIGHER MOUNTAINS NORTH OF BERTHOUD PASS...BUT EVEN THE INTERSTATE 70 CORRIDOR IS EXPECTED SEE A PROLONGED PERIOD OF HEAVY SNOW MONDAY AFTERNOON AND MONDAY NIGHT. ROAD CLOSURES WILL BE POSSIBLE. THE ADDITIONAL SNOW COMBINED WITH WINDS GUSTING OVER 60 MPH IN THE HIGHER ELEVATIONS WILL CAUSE NEAR BLIZZARD CONDITIONS OVER THE HIGHER PASSES AND WILL ALSO INCREASE THE AVALANCHE DANGER. PEOPLE PLANNING ON TRAVELING THROUGH THE MOUNTAINS SHOULD CHECK ON ROAD CONDITIONS...ALLOW LOTS OF EXTRA TIME...AND CONSIDER TRAVELING AFTER THIS STORM WINDS DOWN OR TAKE AN ALTERNATE ROUTE. THERE MAY ONLY BE A BRIEF PERIOD OF BETTER TRAVEL CONDITIONS TUESDAY BEFORE ANOTHER STRONG WINTER STORM ARRIVES TUESDAY NIGHT AND WEDNESDAY. SNOW SHOULD FINALLY TAPER OFF IN THE COLORADO HIGH COUNTRY LATE THURSDAY AND END BY FRIDAY. COZ031-091300- /O.CON.KBOU.WS.W.0003.000000T0000Z-170110T1800Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- 936 PM MST SUN JAN 8 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST TUESDAY... * TIMING...SNOW WILL DECREASE FOR A FEW HOURS AFTER MIDNIGHT. THEN SNOW WILL QUICKLY INTENSIFY MONDAY MORNING AND BE HEAVY AT TIMES THROUGH MONDAY NIGHT. SNOW WILL FINALLY DECREASE TUESDAY MORNING. * SNOW ACCUMULATIONS...STORM TOTALS THROUGH TUESDAY ARE LIKELY TO RANGE FROM 18 TO 30 INCHES... WITH UP TO 40 INCHES OF SNOW IN THE MOUNTAINS NORTH OF RABBIT EARS PASS. * WIND/VISIBILITY...WEST WINDS OF 20 TO 35 MPH WILL PRODUCE AREAS OF BLOWING SNOW. HIGHER EXPOSED AREAS WILL SEE GUSTS OF 50-70 MPH WHICH WILL CREATE BLIZZARD CONDITIONS AT TIMES. * IMPACTS...MOST ROADS ARE SNOW COVERED ALREADY. CONDITIONS WILL FURTHER DETERIORATE EARLY MONDAY AS HEAVY SNOW REDEVELOPS. TRAVEL WILL BECOME DIFFICULT IF NOT IMPOSSIBLE DUE TO HEAVY SNOWFALL, POOR VISIBILITIES, AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ033-034-091300- /O.CON.KBOU.WS.W.0003.000000T0000Z-170110T1800Z/ 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- 936 PM MST SUN JAN 8 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST TUESDAY... * TIMING...SNOW WILL DECREASE FOR A FEW HOURS AFTER MIDNIGHT. THEN SNOW WILL QUICKLY INTENSIFY MONDAY MORNING AND BE HEAVY AT TIMES THROUGH MONDAY NIGHT. SNOW WILL FINALLY DECREASE TUESDAY MORNING. * SNOW ACCUMULATIONS...STORM TOTALS THROUGH TUESDAY ARE LIKELY TO RANGE FROM 14 TO 28 INCHES. * WIND/VISIBILITY...WEST WINDS OF 20 TO 35 MPH WILL PRODUCE AREAS OF BLOWING SNOW. HIGHER EXPOSED AREAS WILL SEE GUSTS OF 50-70 MPH WHICH WILL CREATE BLIZZARD CONDITIONS AT TIMES. * IMPACTS...ROADS ARE SNOW COVERED AND SLICK ALREADY. CONDITIONS WILL FURTHER DETERIORATE MONDAY MORNING AS HEAVY SNOW REDEVELOPS. TRAVEL WILL BECOME DIFFICULT IF NOT IMPOSSIBLE DUE TO HEAVY SNOWFALL, POOR VISIBILITIES, AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$
275 WWUS45 KBOU 091254 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 554 AM MST MON JAN 9 2017 ...HEAVY SNOW AND STRONG WINDS IN THE COLORADO MOUNTAINS THROUGH EARLY TUESDAY... .THERE HAS BEEN A TEMPORARY LULL IN THE SNOW ACROSS NORTHERN COLORADO OVERNIGHT. HEAVY SNOW WILL REDEVELOP BY MIDDAY AND CONTINUE THROUGH THIS EVENING. SNOWFALL RATES UP TO 2 INCHES PER HOUR CAN BE EXPECTED AS THE STRONGEST PORTION OF THE STORM MOVES THROUGH. THE HEAVIEST SNOWFALL TOTALS WILL BE IN THE HIGHER MOUNTAINS NORTH OF BERTHOUD PASS...BUT EVEN THE INTERSTATE 70 CORRIDOR IS EXPECTED SEE A PROLONGED PERIOD OF MODERATE TO HEAVY SNOW MONDAY AFTERNOON AND MONDAY NIGHT. ROAD CLOSURES WILL BE POSSIBLE. THE ADDITIONAL SNOW COMBINED WITH WINDS GUSTING OVER 60 MPH IN THE HIGHER ELEVATIONS WILL CAUSE NEAR BLIZZARD CONDITIONS OVER THE HIGHER PASSES AND WILL ALSO INCREASE THE AVALANCHE DANGER. PEOPLE PLANNING ON TRAVELING THROUGH THE MOUNTAINS SHOULD CHECK ON ROAD CONDITIONS...ALLOW LOTS OF EXTRA TIME...AND CONSIDER TRAVELING EARLY THIS MORNING...WAITING UNTIL TOMORROW...OR TAKING AN ALTERNATE ROUTE. THERE MAY ONLY BE A BRIEF PERIOD OF BETTER TRAVEL CONDITIONS TUESDAY BEFORE ANOTHER STRONG WINTER STORM ARRIVES TUESDAY NIGHT AND WEDNESDAY. SNOW SHOULD FINALLY TAPER OFF IN THE COLORADO HIGH COUNTRY LATE THURSDAY AND END BY FRIDAY. COZ031-092300- /O.CON.KBOU.WS.W.0003.000000T0000Z-170110T1800Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF EAST SLOPES PARK AND NORTHERN GORE RANGES, GORE PASS, AND RABBIT EARS PASS 554 AM MST MON JAN 9 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST TUESDAY... * TIMING...SNOW WILL INTENSIFY BY MIDDAY AND BE HEAVY AT TIMES THIS AFTERNOON AND TONIGHT. SNOW WILL FINALLY DECREASE TUESDAY MORNING. * SNOW ACCUMULATIONS...AN ADDITIONAL 10 TO 20 INCHES...GIVING STORM TOTALS OF 20 TO 30 INCHES WITH UP TO 40 INCHES IN THE MOUNTAINS NORTH OF RABBIT EARS PASS. * WIND/VISIBILITY...WEST WINDS OF 20 TO 35 MPH WILL PRODUCE AREAS OF BLOWING SNOW. HIGHER EXPOSED AREAS WILL SEE GUSTS OF 50-70 MPH WHICH WILL CREATE BLIZZARD CONDITIONS AT TIMES. * IMPACTS...ROADS ARE SNOW COVERED ALREADY. CONDITIONS WILL FURTHER DETERIORATE THIS AFTERNOON AS HEAVY SNOW REDEVELOPS. TRAVEL WILL BECOME DIFFICULT IF NOT IMPOSSIBLE DUE TO HEAVY SNOWFALL, POOR VISIBILITIES, AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL...CARRY AN EMERGENCY KIT WITH ADDITIONAL FOOD AND WATER...BLANKETS OR WARM CLOTHING...AND A SHOVEL. && $$ COZ033-034-092300- /O.CON.KBOU.WS.W.0003.000000T0000Z-170110T1800Z/ 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, AND WINTER PARK 554 AM MST MON JAN 9 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST TUESDAY... * TIMING...SNOW WILL INCREASE THIS AFTERNOON AND BE HEAVY AT TIMES TONIGHT...ESPECIALLY THIS EVENING. SNOW WILL FINALLY DECREASE TUESDAY MORNING. * SNOW ACCUMULATIONS...AN ADDITIONAL 8 TO 14 INCHES GIVING STORM TOTALS OF 12 TO 24 INCHES. * WIND/VISIBILITY...WEST WINDS OF 20 TO 35 MPH WILL PRODUCE AREAS OF BLOWING SNOW. HIGHER EXPOSED AREAS WILL SEE GUSTS OF 50-70 MPH WHICH WILL CREATE BLIZZARD CONDITIONS AT TIMES. * IMPACTS...ROADS ARE ALREADY SNOW COVERED. CONDITIONS WILL FURTHER DETERIORATE BY LATE AFTERNOON AS HEAVY SNOW REDEVELOPS. TRAVEL WILL BECOME DIFFICULT IF NOT IMPOSSIBLE DUE TO HEAVY SNOWFALL, POOR VISIBILITIES, AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL...CARRY AN EMERGENCY KIT WITH ADDITIONAL FOOD AND WATER...BLANKETS OR WARM CLOTHING...AND A SHOVEL. && $$ GIMMESTAD
847 WWUS45 KBOU 092215 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 315 PM MST MON JAN 9 2017 ...HEAVY SNOW AND STRONG WINDS IN THE COLORADO MOUNTAINS THROUGH EARLY TUESDAY... .CONDITIONS ARE EXPECTED TO DETERIORATE ACROSS THE MOUNTAINS RATHER QUICKLY THIS EVENING AS THE BRUNT OF THE WINTER STORM ARRIVES. THIS WILL BRING HEAVY SNOW WITH SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR TO ELEVATIONS ABOVE 9000 FEET...AND CHANGE RAIN TO SNOW IN THE LOWER MOUNTAIN VALLEY LOCATIONS. THE HEAVIEST SNOWFALL TOTALS WILL BE IN THE HIGHER MOUNTAINS NORTH OF BERTHOUD PASS...BUT EVEN THE INTERSTATE 70 CORRIDOR IS EXPECTED SEE A PROLONGED PERIOD OF MODERATE TO HEAVY SNOW TONIGHT INTO EARLY TUESDAY MORNING. ROAD CLOSURES WILL BE POSSIBLE. THE ADDITIONAL SNOW COMBINED WITH WINDS GUSTING OVER 50 MPH IN THE HIGHER ELEVATIONS WILL CAUSE NEAR BLIZZARD CONDITIONS OVER THE HIGHER PASSES AND WILL ALSO INCREASE THE AVALANCHE DANGER. PEOPLE PLANNING ON TRAVELING THROUGH THE MOUNTAINS SHOULD CHECK ON ROAD CONDITIONS...ALLOW LOTS OF EXTRA TIME...AND CONSIDER WAITING UNTIL TUESDAY AFTERNOON...OR TAKING AN ALTERNATE ROUTE. THERE MAY ONLY BE A BRIEF PERIOD OF BETTER TRAVEL CONDITIONS TUESDAY BEFORE ANOTHER STRONG WINTER STORM ARRIVES TUESDAY NIGHT AND WEDNESDAY. SNOW SHOULD FINALLY TAPER OFF IN THE COLORADO HIGH COUNTRY LATE THURSDAY AND END BY FRIDAY. COZ031-100615- /O.CON.KBOU.WS.W.0003.000000T0000Z-170110T1800Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- 315 PM MST MON JAN 9 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST TUESDAY... * TIMING...SNOW WILL INCREASE AND BECOME HEAVY THIS EVENING. THE SNOW WILL CONTINUE THROUGH THE NIGHT AND GRADUALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...AN ADDITIONAL 6 TO 12 INCHES...GIVING STORM TOTALS OF 15 TO 25 INCHES...WITH UP TO 3 FEET IN THE MOUNTAINS NORTH OF RABBIT EARS PASS. * WIND/VISIBILITY...WEST WINDS OF 20 TO 30 MPH WILL PRODUCE AREAS OF BLOWING SNOW. HIGHER EXPOSED AREAS WILL SEE GUSTS OF UP TO 50 MPH WHICH WILL CREATE BLIZZARD CONDITIONS AT TIMES. * IMPACTS...ROAD CONDITIONS WILL QUICKLY DETERIORATE THIS EVENING AS HEAVY SNOW DEVELOPS. TRAVEL WILL BECOME DIFFICULT IF NOT IMPOSSIBLE DUE TO HEAVY SNOWFALL, POOR VISIBILITIES, AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO ANTICIPATED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL... CARRY AN EMERGENCY KIT WITH ADDITIONAL FOOD AND WATER...BLANKETS OR WARM CLOTHING...AND A SHOVEL. && $$ COZ033-034-100615- /O.CON.KBOU.WS.W.0003.000000T0000Z-170110T1800Z/ 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- 315 PM MST MON JAN 9 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST TUESDAY... * TIMING...SNOW WILL INCREASE AND BECOME HEAVY THIS EVENING. THE SNOW WILL CONTINUE THROUGH THE NIGHT AND GRADUALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...AN ADDITIONAL 6 TO 12 INCHES GIVING STORM TOTALS OF 12 TO 24 INCHES. * WIND/VISIBILITY...WEST WINDS OF 20 TO 30 MPH WILL PRODUCE AREAS OF BLOWING SNOW. HIGHER EXPOSED AREAS WILL SEE GUSTS IN EXCESS OF 50 MPH WHICH WILL CREATE BLIZZARD CONDITIONS AT TIMES. * IMPACTS...ROAD AND TRAVEL CONDITIONS WILL DETERIORATE QUICKLY THIS EVENING. TRAVEL WILL BECOME DIFFICULT IF NOT IMPOSSIBLE DUE TO HEAVY SNOWFALL, POOR VISIBILITIES, AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO ANTICIPATED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL... CARRY AN EMERGENCY KIT WITH ADDITIONAL FOOD AND WATER...BLANKETS OR WARM CLOTHING...AND A SHOVEL. && $$
540 WWUS45 KBOU 100442 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 942 PM MST MON JAN 9 2017 ...HEAVY SNOW AND STRONG WINDS IN THE COLORADO MOUNTAINS THROUGH EARLY TUESDAY... .CONDITIONS HAVE DETERIORATED QUICKLY IN THE MOUNTAINS THIS EVENING AS THE BRUNT OF THIS LATEST WINTER STORM MOVED INTO COLORADO. HEAVY SNOW AND STRONG WINDS WERE CREATING SNOW COVERED ROADS, POOR VISIBILITY, AND DIFFICULT TRAVEL CONDITIONS. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR CAN BE EXPECTED WITH THE HEAVIER SNOW BANDS THROUGH THE NIGHT. THE HEAVIEST SNOWFALL TOTALS WILL BE IN THE HIGHER MOUNTAINS NORTH OF BERTHOUD PASS... BUT EVEN THE INTERSTATE 70 CORRIDOR WILL SEE A PROLONGED PERIOD OF MODERATE TO HEAVY SNOW TONIGHT INTO EARLY TUESDAY MORNING. ROAD CLOSURES WILL BE POSSIBLE. THE ADDITIONAL SNOW COMBINED WITH WINDS GUSTING OVER 50 MPH IN THE HIGHER ELEVATIONS WILL CAUSE NEAR BLIZZARD CONDITIONS OVER THE HIGHER PASSES AND WILL ALSO INCREASE THE AVALANCHE DANGER. TRAVEL IS NOT RECOMMENDED IN THE COLORADO HIGH COUNTRY THROUGH EARLY TUESDAY MORNING. THERE MAY ONLY BE A BRIEF PERIOD OF BETTER TRAVEL CONDITIONS TUESDAY AFTERNOON BEFORE ANOTHER STRONG WINTER STORM ARRIVES TUESDAY NIGHT AND WEDNESDAY. SNOW SHOULD FINALLY TAPER OFF IN THE COLORADO HIGH COUNTRY LATE THURSDAY AND END TOWARD FRIDAY. COZ031-101300- /O.CON.KBOU.WS.W.0003.000000T0000Z-170110T1800Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- 942 PM MST MON JAN 9 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST TUESDAY... * TIMING...SNOW WILL BE HEAVY AT TIMES THROUGH THE NIGHT AND THEN GRADUALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...AN ADDITIONAL 5 TO 10 INCHES...GIVING STORM TOTALS OF 16 TO 26 INCHES...WITH UP TO 3 FEET IN THE MOUNTAINS NORTH OF RABBIT EARS PASS. * WIND/VISIBILITY...WEST WINDS OF 20 TO 30 MPH WILL PRODUCE AREAS OF BLOWING SNOW. HIGHER EXPOSED AREAS WILL SEE GUSTS OF UP TO 50 MPH WHICH WILL CREATE BLIZZARD CONDITIONS AT TIMES. * IMPACTS...ROAD CONDITIONS WILL QUICKLY DETERIORATE THIS EVENING AS HEAVY SNOW DEVELOPS. TRAVEL IS DIFFICULT IF NOT IMPOSSIBLE DUE TO HEAVY SNOWFALL, POOR VISIBILITIES, AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL... CARRY AN EMERGENCY KIT WITH ADDITIONAL FOOD AND WATER... BLANKETS OR WARM CLOTHING...AND A SHOVEL. && $$ COZ033-034-101300- /O.CON.KBOU.WS.W.0003.000000T0000Z-170110T1800Z/ 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- 942 PM MST MON JAN 9 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST TUESDAY... * TIMING...HEAVY SNOW WILL CONTINUE THROUGH MOST OF THE NIGHT. THE SNOW WILL GRADUALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...AN ADDITIONAL 5 TO 10 INCHES GIVING STORM TOTALS OF 12 TO 24 INCHES. * WIND/VISIBILITY...WEST WINDS OF 20 TO 30 MPH WILL PRODUCE AREAS OF BLOWING SNOW. HIGHER EXPOSED AREAS WILL SEE GUSTS IN EXCESS OF 50 MPH WHICH WILL CREATE BLIZZARD CONDITIONS AT TIMES. * IMPACTS...TRAVEL IS DIFFICULT IF NOT IMPOSSIBLE DUE TO HEAVY SNOWFALL, POOR VISIBILITIES, AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO ANTICIPATED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL... CARRY AN EMERGENCY KIT WITH ADDITIONAL FOOD AND WATER... BLANKETS OR WARM CLOTHING...AND A SHOVEL. && $$
952 WWUS45 KBOU 101153 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 453 AM MST TUE JAN 10 2017 COZ031-033-034-102000- /O.CAN.KBOU.WS.W.0003.000000T0000Z-170110T1800Z/ /O.NEW.KBOU.WW.Y.0006.170110T1200Z-170111T0000Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- 453 AM MST TUE JAN 10 2017 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW, WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...ALTHOUGH SNOW MAY TAPER OFF THIS MORNING...IT WILL INCREASE AGAIN BY MIDDAY AND CONTINUE THROUGH THE AFTERNOON. * SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 3 TO 6 INCHES. * WIND/VISIBILITY...WEST WINDS OF 20 TO 35 MPH WILL PRODUCE AREAS OF BLOWING SNOW. HIGHER EXPOSED AREAS WILL SEE GUSTS IN EXCESS OF 50 MPH WHICH WILL CREATE NEAR BLIZZARD CONDITIONS AT TIMES. * IMPACTS...TRAVEL WILL REMAIN DIFFICULT THROUGH THE AFTERNOON DUE TO SNOW, POOR VISIBILITIES, AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING... ESPECIALLY IN OPEN AREAS. && $$
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 8, 5:49 AM MST | Winter Weather Advisory | BOU | Boulder, Grand, Jackson, Larimer | 5 hr |
| Jan 8, 11:24 AM MST | High Wind Watch | BOU | Boulder, Broomfield, Jefferson, Larimer, Weld | 9 hr |
| Jan 8, 11:24 AM MST | High Wind Warning | BOU | Arapahoe, Boulder, Broomfield, Clear Creek, Douglas, Elbert and 5 more | 28 hr |
Nearby
Winter Storm Warnings in Colorado, 2017Every winter storm warning in 2017
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.