Alert archive / Colorado / Winter Storm Warnings in 2016
Winter Storm Warning 11, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at Dec 15, 2016, 10:21 AM MST for 15 counties in Colorado. It took effect at Dec 15, 2016, 11:00 PM MST. It was in force for 35 hr. 60 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Dec 15, 2016, 10:21 AM MST (17:21 UTC)
- In effect from
- Dec 15, 2016, 11:00 PM MST
- Expired
- Dec 17, 2016, 9:33 AM MST
- In force
- 35 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Denver County, CO, Douglas County, CO, Elbert 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), 63 km from the middle of the area, began a volume at 17:20 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 16, 2:38 PM MST | SNOW 0.9 | 1 Nnw Berthoud Pass, CO | BERTHOUD SUMMIT SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 0.9 | 1 Sw Eldora, CO | LAKE ELDORA SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 0.9 | 1 W Copper Mountain, CO | COPPER MOUNTAIN SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 0.9 | 3 Sw Ward, CO | NIWOT SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 0.9 | 3 Wnw Alma, CO | BUCKSKIN JOE SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 0.9 | 5 Wsw Guanella Pass, CO | JACKWHACKER GULCH SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 0.9 | 7 Nw Red Feather Lakes, CO | BLACK MOUNTAIN SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 0.9 | 9 Se Weston Pass, CO | ROUGH AND TUMBLE SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 1.8 | 10 Nne Silverthorne, CO | MIDDLE FORK CAMP SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 1.8 | 1 Nw Climax, CO | FREMONT PASS SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 1.8 | 3 S Brainard Lake, CO | UNIVERSITY CAMP SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 1.8 | 5 Ssw Blue River, CO | HOOSIER PASS SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 1.8 | 5 W Berthoud Falls, CO | JONES PASS SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 1.8 | 6 Nw Silverthorne, CO | SUMMIT RANCH SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 1.8 | 9 E Glendevey, CO | DEADMAN HILL SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 2.7 | 11 S Rabbit Ears Pass, CO | BUFFALO PARK SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 2.7 | 1 Nnw Cameron Pass, CO | JOE WRIGHT SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 2.7 | 1 Wnw Loveland Pass, CO | LOVELAND BASIN SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 2.7 | 5 Ssw Glendevey, CO | RAWAH SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 2.7 | 6 E Cameron Pass, CO | LONG DRAW RESERVOIR SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 2.7 | 6 W Arapahoe Peak, CO | HIGH LONESOME SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 3.6 | 1 Sse Loveland Pass, CO | GRIZZLY PEAK SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 3.6 | 3 Nne Mount Audubon, CO | SAWTOOTH SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 3.6 | 4 S Longs Peak, CO | WILD BASIN SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 3.6 | 9 Se Cameron Pass, CO | WILLOW PARK SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 4.5 | 5 Wsw Grand Lake, CO | STILLWATER CREEK SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 4.5 | 8 Sse Cameron Pass, CO | PHANTOM VALLEY SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 5.4 | 3 Sw Meeker Park, CO | COPELAND LAKE SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | SNOW 5.4 | 7 Sse Cameron Pass, CO | LAKE IRENE SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | HEAVY SNOW 6.3 | 4 Nnw Longs Peak, CO | BEAR LAKE SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | HEAVY SNOW 8.1 | 1 Nne Rabbit Ears Pass, CO | COLUMBINE SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | HEAVY SNOW 8.1 | 8 Sse Rand, CO | WILLOW CREEK PASS SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | HEAVY SNOW 8.1 | 9 Sse Gould, CO | NEVER SUMMER SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | HEAVY SNOW 8.1 | 9 Sse Spicer, CO | ARAPAHO RIDGE SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | HEAVY SNOW 9 | 4 Se Mount Zirkel, CO | ZIRKEL SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | HEAVY SNOW 9 | 5 W Green Mountain Rese, CO | ELLIOT RIDGE SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 2:38 PM MST | HEAVY SNOW 14.4 | 9 Ene Steamboat Springs, CO | TOWER SNOTEL SNOWFALL BETWEEN 6 PM 12/15/2016 AND 2 PM 12/16/2016 ESTIMATED USING A 9.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 16, 7:00 PM MST | SNOW 1.2 | 4 E Fort Collins, CO | |
| Dec 16, 7:22 PM MST | SNOW 3.2 | 2 Sse Estes Park, CO | PAST 90 MINUTES VISIBILITY 1/2 BLOCK |
| Dec 16, 7:28 PM MST | SNOW 2 | 3 S Fort Collins, CO | |
| Dec 16, 7:50 PM MST | SNOW 2.5 | 2 Wnw Fort Collins, CO | |
| Dec 16, 8:45 PM MST | SNOW 2.5 | Westminster, CO | |
| Dec 16, 9:24 PM MST | SNOW 1.5 | N Longmont, CO | |
| Dec 16, 9:24 PM MST | SNOW 3 | S Westminster, CO | PAST 2 HOURS |
| Dec 16, 9:25 PM MST | HEAVY SNOW 8 | Estes Park, CO | |
| Dec 16, 9:30 PM MST | SNOW 2 | 4 Ene Nederland, CO | |
| Dec 16, 9:30 PM MST | SNOW 2.4 | 3 N Conifer, CO | |
| Dec 16, 9:30 PM MST | SNOW 3.9 | 3 S Boulder, CO | PAST 2.5 HOURS |
| Dec 16, 9:45 PM MST | SNOW 4 | Federal Heights, CO | PAST 4 HOURS |
| Dec 16, 9:56 PM MST | SNOW 3.8 | 2 Wnw Floyd Hill, CO | |
| Dec 16, 10:00 PM MST | SNOW 3 | 5 E Boulder, CO | |
| Dec 16, 10:08 PM MST | HEAVY SNOW 8.5 | 1 N Estes Park, CO | |
| Dec 16, 10:28 PM MST | SNOW 3.4 | 2 Wsw Louisville, CO | |
| Dec 16, 10:42 PM MST | HEAVY SNOW 6.5 | W Arvada, CO | |
| Dec 16, 11:00 PM MST | SNOW 3.6 | Denver Intl Airport, CO | |
| Dec 16, 11:00 PM MST | HEAVY SNOW 6 | N Westminster, CO | |
| Dec 16, 11:00 PM MST | SNOW 10 | 2 Sse Breckenridge, CO | SNOWFALL SINCE 830 AM MDT THIS MORNING. |
| Dec 16, 11:18 PM MST | SNOW 6 | 2 Sse Tabernash, CO | |
| Dec 16, 11:25 PM MST | SNOW 7 | Lakewood, CO | MEASUREMENT AT GREEN MOUNTAIN. |
| Dec 16, 11:45 PM MST | SNOW 5 | 3 N Conifer, 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 (KDEN), launched 12:00Z, 5.4 hours before the alert went out and 175 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
- 1455 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 133 m²/s²
- 0-3 km storm-relative helicity
- 592 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
398 WWUS45 KBOU 151721 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1021 AM MST THU DEC 15 2016 ...THE NEXT WINTER STORM WILL BRING WIDESPREAD SNOW THE COLORADO NORTH CENTRAL MOUNTAINS TONIGHT THROUGH SATURDAY MORNING... .STRONG WESTERLY FLOW AHEAD OF THE NEXT WINTER STORM WILL BRING MOISTURE INTO THE FORECAST AREA THIS EVENING THROUGH FRIDAY. THIS WILL ALLOW WIDESPREAD SNOW TO DEVELOP OVER THE MOUNTAINS THIS EVENING AND CONTINUE THROUGH FRIDAY. AN UPPER TROUGH WILL MOVE ACROSS COLORADO LATER FRIDAY NIGHT INTO SATURDAY MORNING ALLOWING THE SNOW TO CONTINUE INTO SATURDAY. SNOWFALL AMOUNTS ARE EXPECTED TO BE SIGNIFICANT. COZ031-160500- /O.UPG.KBOU.WS.A.0013.161216T0600Z-161217T1200Z/ /O.NEW.KBOU.WS.W.0011.161216T0600Z-161217T1800Z/ 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 1021 AM MST THU DEC 15 2016 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 AM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW, WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 11 AM MST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP THIS EVENING CONTINUE INTO SATURDAY MORNING. * SNOW ACCUMULATIONS...12 TO 24 INCHES. * WIND/VISIBILITY...WEST TO SOUTHWEST WINDS OF 15 TO 30 MPH WITH GUSTS TO 45 MPH WILL PRODUCE AREAS OF BLOWING SNOW OVER THE HIGHER PASSES AND RIDGES THROUGH FRIDAY NIGHT. VISIBILITIES MAY FALL BELOW A QUARTER OF A MILE AT TIMES. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS TONIGHT THROUGH SATURDAY MORNING. 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. && $$ COZ033-034-160500- /O.UPG.KBOU.WS.A.0013.161216T0600Z-161217T1200Z/ /O.NEW.KBOU.WS.W.0011.161216T0600Z-161217T1800Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF CAMERON PASS, LARAMIE AND MEDICINE BOW MOUNTAINS, RABBIT EARS RANGE, ROCKY MOUNTAIN NATIONAL PARK, WILLOW CREEK PASS, BERTHOUD PASS, BRECKENRIDGE, EAST SLOPES MOSQUITO RANGE, EAST SLOPES SOUTHERN GORE RANGE, EISENHOWER TUNNEL, INDIAN PEAKS, KENOSHA MOUNTAINS, MOUNT EVANS, WILLIAMS FORK MOUNTAINS, AND WINTER PARK 1021 AM MST THU DEC 15 2016 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 AM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW, WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 11 AM MST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP THIS EVENING CONTINUE INTO SATURDAY MORNING. * SNOW ACCUMULATIONS...8 TO 16 INCHES. * WIND/VISIBILITY...WEST TO SOUTHWEST WINDS OF 15 TO 30 MPH WITH GUSTS TO 45 MPH WILL PRODUCE AREAS OF BLOWING SNOW OVER THE HIGHER PASSES AND RIDGES THROUGH FRIDAY NIGHT. VISIBILITIES MAY FALL BELOW A QUARTER OF A MILE AT TIMES. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS TONIGHT THROUGH SATURDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$
11 follow-up statements
795 WWUS45 KBOU 160413 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 913 PM MST THU DEC 15 2016 ...THE NEXT WINTER STORM WILL BRING SIGNIFICANT SNOW AND BLOWING SNOW TO THE COLORADO MOUNTAINS THROUGH SATURDAY MORNING... .STRONG WESTERLY FLOW AHEAD OF THE NEXT WINTER STORM WILL BRING SNOW INTO THE FORECAST AREA TONIGHT. SNOW WILL BECOME MORE WIDESPREAD AND HEAVIER LATE TONIGHT AND FRIDAY...WITH THE HEAVIEST SNOW SPREADING FROM THE MOUNTAINS NORTH OF RABBIT EARS PASS TO THE ROCKY MOUNTAIN NATIONAL PARK AREA AND MEDICINE BOW RANGE BY LATE FRIDAY AFTERNOON. THEN HEAVIER SNOW WILL SPREAD TO THE I-70 CORRIDOR THROUGH SUMMIT COUNTY BY FRIDAY EVENING. PEOPLE PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THROUGH SATURDAY MORNING SHOULD BE PREPARED FOR ADVERSE AND DIFFICULT TRAVEL CONDITIONS. COZ031-161215- /O.CON.KBOU.WS.W.0011.161216T0600Z-161217T1800Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- 913 PM MST THU DEC 15 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SATURDAY... * TIMING...SNOW WILL CONTINUE INTO SATURDAY MORNING. THE HEAVIEST SNOW WILL FALL FRIDAY INTO FRIDAY NIGHT. * SNOW ACCUMULATIONS...12 TO 24 INCHES. * WIND/VISIBILITY...WEST TO SOUTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS TO 50 MPH WILL PRODUCE BLOWING SNOW OVER THE HIGHER PASSES AND RIDGES THROUGH FRIDAY NIGHT. VISIBILITIES MAY FALL BELOW A QUARTER OF A MILE AT TIMES. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS TONIGHT THROUGH SATURDAY MORNING. 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. && $$ COZ033-034-161215- /O.CON.KBOU.WS.W.0011.161216T0600Z-161217T1800Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- 913 PM MST THU DEC 15 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SATURDAY... * TIMING...SNOW WILL BECOME MORE WIDESPREAD TONIGHT AND CONTINUE INTO SATURDAY MORNING. SNOW WILL BE HEAVY AT TIMES FRIDAY AFTERNOON INTO FRIDAY NIGHT. * SNOW ACCUMULATIONS...8 TO 16 INCHES. * WIND/VISIBILITY...WEST TO SOUTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS AROUND 50 MPH WILL PRODUCE BLOWING SNOW OVER THE HIGHER PASSES AND RIDGES THROUGH FRIDAY NIGHT. VISIBILITIES MAY FALL BELOW A QUARTER OF A MILE AT TIMES. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS TONIGHT THROUGH SATURDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$
969 WWUS45 KBOU 161131 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 431 AM MST FRI DEC 16 2016 ...SIGNIFICANT SNOW AND BLOWING SNOW SPREADING INTO THE NORTHERN COLORADO MOUNTAINS... .WEST WINDS WILL CARRY RICH MOISTURE INTO THE MOUNTAINS TODAY AND TONIGHT PRODUCING HEAVY SNOW OVER THE HIGHER ELEVATIONS. THE SNOW WILL DECREASE LATER TONIGHT BEHIND A COLD FRONT...WITH LIGHTER SNOW CONTINUING INTO SATURDAY MORNING. FROM 2 TO 6 INCHES OF SNOW FELL OVERNIGHT IN THE MOUNTAINS AROUND STEAMBOAT SPRINGS WITH EVEN HEAVIER SNOW IN THE MOUNTAINS WEST OF ASPEN. THIS HEAVIER SNOW WILL SPREAD ACROSS SUMMIT COUNTY AND THE FRONT RANGE THIS MORNING. PEOPLE PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THROUGH SATURDAY MORNING SHOULD BE PREPARED FOR ADVERSE AND DIFFICULT TRAVEL CONDITIONS. COZ031-162300- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1800Z/ 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 431 AM MST FRI DEC 16 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SATURDAY... * TIMING...SNOW WILL CONTINUE INTO SATURDAY MORNING. THE HEAVIEST SNOW WILL FALL TODAY AND TONIGHT. * SNOW ACCUMULATIONS...12 TO 24 INCHES. * WIND/VISIBILITY...WEST TO SOUTHWEST WINDS OF 20 TO 35 MPH WILL PRODUCE AREAS OF BLOWING SNOW. VISIBILITIES MAY FALL BELOW A QUARTER OF A MILE AT TIMES DUE TO HEAVY SNOW AND BLOWING SNOW. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS TONIGHT THROUGH SATURDAY MORNING. 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. && $$ COZ033-034-162300- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1800Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF CAMERON PASS, LARAMIE AND MEDICINE BOW MOUNTAINS, RABBIT EARS RANGE, ROCKY MOUNTAIN NATIONAL PARK, WILLOW CREEK PASS, BERTHOUD PASS, BRECKENRIDGE, EAST SLOPES MOSQUITO RANGE, EAST SLOPES SOUTHERN GORE RANGE, EISENHOWER TUNNEL, INDIAN PEAKS, KENOSHA MOUNTAINS, MOUNT EVANS, WILLIAMS FORK MOUNTAINS, AND WINTER PARK 431 AM MST FRI DEC 16 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SATURDAY... * TIMING...SNOW WILL CONTINUE INTO SATURDAY MORNING. SNOW WILL BE HEAVY AT TIMES THIS AFTERNOON AND TONIGHT. * SNOW ACCUMULATIONS...8 TO 16 INCHES. * WIND/VISIBILITY...WEST TO SOUTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS AROUND 50 MPH WILL PRODUCE BLOWING SNOW OVER THE HIGHER PASSES AND RIDGES THROUGH FRIDAY NIGHT. VISIBILITIES MAY FALL BELOW A QUARTER OF A MILE AT TIMES. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS TONIGHT THROUGH SATURDAY MORNING. TRAVEL RESTRICTIONS AND ROAD CLOSURES ARE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ GIMMESTAD
320 WWUS45 KBOU 161453 AAA WSWBOU URGENT - WINTER WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE DENVER/BOULDER CO 753 AM MST FRI DEC 16 2016 ...SIGNIFICANT SNOW AND BLOWING SNOW SPREADING INTO THE NORTHERN COLORADO MOUNTAINS... .AFTER A SHORT LULL IN SNOWFALL EARLY THIS MORNING...MODERATE TO HEAVY SNOWFALL WILL RESUME AS THE NEXT WAVE OF PACIFIC MOISTURE SPREADS OVER THE NORTH CENTRAL MOUNTAINS OF COLORADO. SNOWFALL WILL CONTINUE THROUGH THE AFTERNOON AND OVERNIGHT...AND INTO SATURDAY MORNING. STRONG WESTERLY WINDS OVER THE HIGH PASSES AND UP AROUND THE EISENHOWER TUNNEL WILL COMBINE WITH THE HEAVY SNOWFALL TO PRODUCE HAZARDOUS AND VERY DIFFICULT WINTER DRIVING CONDITIONS. POOR VISIBILITIES AND SNOW COVERED ROADS MAY RESULT IN VERY SLOW TRAFFIC AND POSSIBLE ROAD CLOSURES. SNOWFALL IS EXPECTED TO DECREASE LATE TONIGHT...WITH LIGHTER SNOWFALL RATES SATURDAY MORNING. FROM 2 TO 6 INCHES OF SNOW FELL OVERNIGHT IN THE MOUNTAINS AROUND STEAMBOAT SPRINGS WITH EVEN HEAVIER SNOW IN THE MOUNTAINS WEST OF ASPEN. PEOPLE PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THROUGH SATURDAY MORNING SHOULD BE PREPARED FOR ADVERSE AND VERY DIFFICULT TRAVEL CONDITIONS. COZ031-162300- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1800Z/ 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 753 AM MST FRI DEC 16 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SATURDAY... * TIMING...SNOWFALL WILL REDEVELOP THIS MORNING AND CONTINUE INTO SATURDAY MORNING. THE HEAVIEST SNOWFALL WILL OCCUR THIS AFTERNOON AND TONIGHT. * SNOW ACCUMULATIONS...FROM 12 TO 24 INCHES....HEAVIEST ABOVE TIMBERLINE AND WEST FACING SLOPES. * WIND/VISIBILITY...WEST TO SOUTHWEST WINDS OF 25 TO 45 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES MAY FALL BELOW A FEW HUNDRED FEET AT TIMES DUE TO HEAVY SNOW AND BLOWING SNOW. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND VERY DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS TODAY THROUGH SATURDAY MORNING...ESPECIALLY OVER THE PASSES. 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. && $$ COZ033-034-162300- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1800Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF CAMERON PASS, LARAMIE AND MEDICINE BOW MOUNTAINS, RABBIT EARS RANGE, ROCKY MOUNTAIN NATIONAL PARK, WILLOW CREEK PASS, BERTHOUD PASS, BRECKENRIDGE, EAST SLOPES MOSQUITO RANGE, EAST SLOPES SOUTHERN GORE RANGE, EISENHOWER TUNNEL, INDIAN PEAKS, KENOSHA MOUNTAINS, MOUNT EVANS, WILLIAMS FORK MOUNTAINS, AND WINTER PARK 753 AM MST FRI DEC 16 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SATURDAY... * TIMING...SNOWFALL WILL REDEVELOP THIS MORNING AND CONTINUE INTO SATURDAY MORNING. SNOW WILL BE HEAVY AT TIMES THIS AFTERNOON THROUGH TONIGHT. * SNOW ACCUMULATIONS...8 TO 16 INCHES. * WIND/VISIBILITY...WEST TO SOUTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS AROUND 50 MPH WILL PRODUCE BLOWING SNOW OVER THE HIGHER PASSES AND RIDGES THROUGH FRIDAY NIGHT. VISIBILITIES MAY FALL BELOW A FEW HUNDRED FEET AT TIMES IN HEAVY SNOWFALL AND BLOWING SNOW. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND VERY DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS TODAY THROUGH SATURDAY MORNING. TRAVEL RESTRICTIONS AND ROAD CLOSURES ARE HIGHLY POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND BLOWING SNOW ARE LIKELY....WHICH WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ BAKER
708 WWUS45 KBOU 161958 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1258 PM MST FRI DEC 16 2016 ...HEAVIEST SNOW EXPECTED TONIGHT OVER NORTHERN COLORADO MOUNTAINS... .THE HEAVIEST SNOW IS EXPECTED TONIGHT OVER THE MOUNTAINS AS THE UPPER DISTURBANCE MOVES ACROSS COLORADO. STRONG WESTERLY WINDS OVER THE HIGH PASSES AND UP AROUND THE EISENHOWER TUNNEL WILL COMBINE WITH THE HEAVY SNOWFALL TO PRODUCE HAZARDOUS AND VERY DIFFICULT WINTER DRIVING CONDITIONS. POOR VISIBILITIES AND SNOW COVERED ROADS MAY RESULT IN VERY SLOW TRAFFIC AND POSSIBLE ROAD CLOSURES. SNOWFALL IS EXPECTED TO DECREASE LATE TONIGHT...WITH LIGHTER SNOWFALL RATES INTO SATURDAY MORNING. PEOPLE PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THROUGH SATURDAY MORNING SHOULD BE PREPARED FOR ADVERSE AND VERY DIFFICULT TRAVEL CONDITIONS. COZ031-170400- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1800Z/ 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 1258 PM MST FRI DEC 16 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SATURDAY... * TIMING...SNOWFALL WILL INCREASE AGAIN THIS EVENING AND CONTINUE INTO SATURDAY MORNING. THE HEAVIEST SNOWFALL WILL OCCUR THIS EVENING. * SNOW ACCUMULATIONS...FROM 12 TO 24 INCHES....HEAVIEST ABOVE TIMBERLINE AND WEST FACING SLOPES. * WIND/VISIBILITY...WEST TO SOUTHWEST WINDS OF 25 TO 45 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES MAY FALL BELOW A FEW HUNDRED FEET AT TIMES DUE TO HEAVY SNOW AND BLOWING SNOW. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND VERY DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS TODAY THROUGH SATURDAY MORNING...ESPECIALLY OVER THE PASSES. 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. && $$ COZ033-034-170400- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1800Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF CAMERON PASS, LARAMIE AND MEDICINE BOW MOUNTAINS, RABBIT EARS RANGE, ROCKY MOUNTAIN NATIONAL PARK, WILLOW CREEK PASS, BERTHOUD PASS, BRECKENRIDGE, EAST SLOPES MOSQUITO RANGE, EAST SLOPES SOUTHERN GORE RANGE, EISENHOWER TUNNEL, INDIAN PEAKS, KENOSHA MOUNTAINS, MOUNT EVANS, WILLIAMS FORK MOUNTAINS, AND WINTER PARK 1258 PM MST FRI DEC 16 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SATURDAY... * TIMING...SNOWFALL WILL INCREASE IN INTENSITY THIS EVENING AND CONTINUE INTO SATURDAY MORNING. SNOW WILL BE HEAVY AT TIMES THIS TONIGHT. * SNOW ACCUMULATIONS...8 TO 16 INCHES. * WIND/VISIBILITY...WEST TO SOUTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS AROUND 50 MPH WILL PRODUCE BLOWING SNOW OVER THE HIGHER PASSES AND RIDGES THROUGH FRIDAY NIGHT. VISIBILITIES MAY FALL BELOW A FEW HUNDRED FEET AT TIMES IN HEAVY SNOWFALL AND BLOWING SNOW. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND VERY DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS TODAY THROUGH SATURDAY MORNING. TRAVEL RESTRICTIONS AND ROAD CLOSURES ARE HIGHLY POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND BLOWING SNOW ARE LIKELY... .WHICH WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ042-044>046-048>051-170400- /O.NEW.KBOU.WC.Y.0002.161217T0700Z-161217T1900Z/ NORTHEAST WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY- PHILLIPS COUNTY- INCLUDING THE CITIES OF BRIGGSDALE, GROVER, PAWNEE BUTTES, RAYMER, STONEHAM, BRUSH, FORT MORGAN, GOODRICH, WIGGINS, BENNETT, BYERS, DEER TRAIL, LEADER, AGATE, HUGO, LIMON, MATHESON, CROOK, MERINO, STERLING, PEETZ, AKRON, COPE, LAST CHANCE, OTIS, JULESBURG, OVID, SEDGWICK, AMHERST, HAXTUN, AND HOLYOKE 1258 PM MST FRI DEC 16 2016 ...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST SATURDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WIND CHILL ADVISORY, WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST SATURDAY. * WIND CHILL VALUES...15 TO 25 BELOW ZERO. * IMPACTS...THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKINFROM 2 TO 6 INCHES OF SNOW FELL OVERNIGHT IN THE MOUNTAINS AROUND STEAMBOAT SPRINGS WITH EVEN HEAVIER SNOW IN THE MOUNTAINS WEST OF ASPEN.FROM 2 TO 6 INCHES OF SNOW FELL OVERNIGHT IN THE MOUNTAINS AROUND STEAMBOAT SPRINGS WITH EVEN HEAVIER SNOW IN THE MOUNTAINS WEST OF ASPEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$
676 WWUS45 KBOU 162027 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 127 PM MST FRI DEC 16 2016 ...HEAVIEST SNOW EXPECTED TONIGHT OVER NORTHERN COLORADO MOUNTAINS... .THE HEAVIEST SNOW IS EXPECTED TONIGHT OVER THE MOUNTAINS AS THE UPPER DISTURBANCE MOVES ACROSS COLORADO. STRONG WESTERLY WINDS OVER THE HIGH PASSES AND UP AROUND THE EISENHOWER TUNNEL WILL COMBINE WITH THE HEAVY SNOWFALL TO PRODUCE HAZARDOUS AND VERY DIFFICULT WINTER DRIVING CONDITIONS. POOR VISIBILITIES AND SNOW COVERED ROADS MAY RESULT IN VERY SLOW TRAFFIC AND POSSIBLE ROAD CLOSURES. SNOWFALL IS EXPECTED TO DECREASE LATE TONIGHT...WITH LIGHTER SNOWFALL RATES INTO SATURDAY MORNING. PEOPLE PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THROUGH SATURDAY MORNING SHOULD BE PREPARED FOR ADVERSE AND VERY DIFFICULT TRAVEL CONDITIONS. COZ031-170430- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1800Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF EAST SLOPES PARK AND NORTHERN GORE RANGES, GORE PASS, AND RABBIT EARS PASS 127 PM MST FRI DEC 16 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SATURDAY... * TIMING...SNOWFALL WILL INCREASE AGAIN THIS EVENING AND CONTINUE INTO SATURDAY MORNING. THE HEAVIEST SNOWFALL WILL OCCUR THIS EVENING. * SNOW ACCUMULATIONS...FROM 12 TO 24 INCHES....HEAVIEST ABOVE TIMBERLINE AND WEST FACING SLOPES. * WIND/VISIBILITY...WEST TO SOUTHWEST WINDS OF 25 TO 45 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES MAY FALL BELOW A FEW HUNDRED FEET AT TIMES DUE TO HEAVY SNOW AND BLOWING SNOW. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND VERY DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS TODAY THROUGH SATURDAY MORNING...ESPECIALLY OVER THE PASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ033-034-170430- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1800Z/ 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 127 PM MST FRI DEC 16 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SATURDAY... * TIMING...SNOWFALL WILL INCREASE IN INTENSITY THIS EVENING AND CONTINUE INTO SATURDAY MORNING. SNOW WILL BE HEAVY AT TIMES THIS TONIGHT. * SNOW ACCUMULATIONS...8 TO 16 INCHES. * WIND/VISIBILITY...WEST TO SOUTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS AROUND 50 MPH WILL PRODUCE BLOWING SNOW OVER THE HIGHER PASSES AND RIDGES THROUGH FRIDAY NIGHT. VISIBILITIES MAY FALL BELOW A FEW HUNDRED FEET AT TIMES IN HEAVY SNOWFALL AND BLOWING SNOW. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND VERY DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS TODAY THROUGH SATURDAY MORNING. TRAVEL RESTRICTIONS AND ROAD CLOSURES ARE HIGHLY POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND BLOWING SNOW ARE LIKELY... .WHICH WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ042-044>046-048>051-170430- /O.CON.KBOU.WC.Y.0002.161217T0700Z-161217T1900Z/ NORTHEAST WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY- PHILLIPS COUNTY- INCLUDING THE CITIES OF BRIGGSDALE, GROVER, PAWNEE BUTTES, RAYMER, STONEHAM, BRUSH, FORT MORGAN, GOODRICH, WIGGINS, BENNETT, BYERS, DEER TRAIL, LEADER, AGATE, HUGO, LIMON, MATHESON, CROOK, MERINO, STERLING, PEETZ, AKRON, COPE, LAST CHANCE, OTIS, JULESBURG, OVID, SEDGWICK, AMHERST, HAXTUN, AND HOLYOKE 127 PM MST FRI DEC 16 2016 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST SATURDAY... * WIND CHILL VALUES...15 TO 25 BELOW ZERO. * IMPACTS...THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$
399 WWUS45 KBOU 170057 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 557 PM MST FRI DEC 16 2016 ...HEAVIEST SNOW EXPECTED TONIGHT OVER NORTHERN COLORADO MOUNTAINS... .THE HEAVIEST SNOW IS EXPECTED TONIGHT OVER THE MOUNTAINS AS THE UPPER DISTURBANCE MOVES ACROSS COLORADO. STRONG WESTERLY WINDS OVER THE HIGH PASSES AND UP AROUND THE EISENHOWER TUNNEL WILL COMBINE WITH THE HEAVY SNOWFALL TO PRODUCE HAZARDOUS AND VERY DIFFICULT WINTER DRIVING CONDITIONS. POOR VISIBILITIES AND SNOW COVERED ROADS MAY RESULT IN VERY SLOW TRAFFIC AND POSSIBLE ROAD CLOSURES. SNOWFALL IS EXPECTED TO DECREASE LATE TONIGHT...WITH LIGHTER SNOWFALL RATES INTO SATURDAY MORNING. PEOPLE PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THROUGH SATURDAY MORNING SHOULD BE PREPARED FOR ADVERSE AND VERY DIFFICULT TRAVEL CONDITIONS. COZ042-044>046-048>051-170900- /O.NEW.KBOU.WC.W.0001.161217T1200Z-161217T1900Z/ /O.EXT.KBOU.WC.Y.0002.161217T0700Z-161217T1200Z/ NORTHEAST WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY- PHILLIPS COUNTY- INCLUDING THE CITIES OF BRIGGSDALE, GROVER, PAWNEE BUTTES, RAYMER, STONEHAM, BRUSH, FORT MORGAN, GOODRICH, WIGGINS, BENNETT, BYERS, DEER TRAIL, LEADER, AGATE, HUGO, LIMON, MATHESON, CROOK, MERINO, STERLING, PEETZ, AKRON, COPE, LAST CHANCE, OTIS, JULESBURG, OVID, SEDGWICK, AMHERST, HAXTUN, AND HOLYOKE 557 PM MST FRI DEC 16 2016 ...WIND CHILL ADVISORY NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 5 AM MST SATURDAY...A WIND CHILL WARNING WILL TAKES ITS PLACE AND BE IN EFFECT FROM 5 AM TO NOON MST SATURDAY ON THE EASTERN PLAINS... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WIND CHILL WARNING, WHICH IS IN EFFECT FROM 5 AM TO NOON MST SATURDAY. * WIND CHILL VALUES FOR THE ADVISORY WILL RANGE FROM 15 TO 25 BELOW ZERO. WIND CHILL VALUES WILL DROP BELOW 25 DEGREES BELOW ZERO FROM 5 AM UNTIL NOON SATURDAY. * IMPACTS...THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ COZ031-170900- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1800Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF EAST SLOPES PARK AND NORTHERN GORE RANGES, GORE PASS, AND RABBIT EARS PASS 557 PM MST FRI DEC 16 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SATURDAY... * TIMING...SNOWFALL WILL INCREASE AGAIN THIS EVENING AND CONTINUE INTO SATURDAY MORNING. THE HEAVIEST SNOWFALL WILL OCCUR THIS EVENING. * SNOW ACCUMULATIONS...FROM 12 TO 24 INCHES....HEAVIEST ABOVE TIMBERLINE AND WEST FACING SLOPES. * WIND/VISIBILITY...WEST TO SOUTHWEST WINDS OF 25 TO 45 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES MAY FALL BELOW A FEW HUNDRED FEET AT TIMES DUE TO HEAVY SNOW AND BLOWING SNOW. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND VERY DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS TODAY THROUGH SATURDAY MORNING...ESPECIALLY OVER THE PASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ033-034-170900- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1800Z/ 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 557 PM MST FRI DEC 16 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SATURDAY... * TIMING...SNOWFALL WILL INCREASE IN INTENSITY THIS EVENING AND CONTINUE INTO SATURDAY MORNING. SNOW WILL BE HEAVY AT TIMES THIS TONIGHT. * SNOW ACCUMULATIONS...8 TO 16 INCHES. * WIND/VISIBILITY...WEST TO SOUTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS AROUND 50 MPH WILL PRODUCE BLOWING SNOW OVER THE HIGHER PASSES AND RIDGES THROUGH FRIDAY NIGHT. VISIBILITIES MAY FALL BELOW A FEW HUNDRED FEET AT TIMES IN HEAVY SNOWFALL AND BLOWING SNOW. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND VERY DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS TODAY THROUGH SATURDAY MORNING. TRAVEL RESTRICTIONS AND ROAD CLOSURES ARE HIGHLY POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND BLOWING SNOW ARE LIKELY... .WHICH WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ038-040-041-043-170900- /O.EXB.KBOU.WC.Y.0002.161217T1200Z-161217T1900Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- CENTRAL AND SOUTH WELD COUNTY- INCLUDING THE CITIES OF FORT COLLINS, HEREFORD, LOVELAND, NUNN, AURORA, BRIGHTON, CITY OF DENVER, DENVER INTERNATIONAL AIRPORT, HIGHLANDS RANCH, LITTLETON, PARKER, CASTLE ROCK, ELBERT, FONDIS, KIOWA, LARKSPUR, EATON, FORT LUPTON, GREELEY, AND ROGGEN 557 PM MST FRI DEC 16 2016 ...WIND CHILL ADVISORY IN EFFECT FROM 5 AM TO NOON MST SATURDAY FOR THE URBAN CORRIDOR... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WIND CHILL ADVISORY, WHICH IS IN EFFECT FROM 5 AM TO NOON MST SATURDAY. * WIND CHILL VALUES...15 TO 25 BELOW ZERO. * IMPACTS...THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$
289 WWUS45 KBOU 170404 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 904 PM MST FRI DEC 16 2016 ...HEAVIEST SNOW EXPECTED TONIGHT OVER NORTHERN COLORADO MOUNTAINS... .THE HEAVIEST SNOW IS EXPECTED TONIGHT OVER THE MOUNTAINS AS THE UPPER DISTURBANCE MOVES ACROSS COLORADO. STRONG WESTERLY WINDS OVER THE HIGH PASSES AND UP AROUND THE EISENHOWER TUNNEL WILL COMBINE WITH THE HEAVY SNOWFALL TO PRODUCE HAZARDOUS AND VERY DIFFICULT WINTER DRIVING CONDITIONS. POOR VISIBILITIES AND SNOW COVERED ROADS MAY RESULT IN VERY SLOW TRAFFIC AND POSSIBLE ROAD CLOSURES. SNOWFALL IS EXPECTED TO DECREASE LATE TONIGHT...WITH LIGHTER SNOWFALL RATES INTO SATURDAY MORNING. PEOPLE PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THROUGH SATURDAY MORNING SHOULD BE PREPARED FOR ADVERSE AND VERY DIFFICULT TRAVEL CONDITIONS. COZ031-171215- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1800Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- 904 PM MST FRI DEC 16 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SATURDAY... * TIMING...SNOWFALL WILL INCREASE AGAIN THIS EVENING AND CONTINUE INTO SATURDAY MORNING. THE HEAVIEST SNOWFALL WILL OCCUR THIS EVENING. * SNOW ACCUMULATIONS...FROM 12 TO 24 INCHES....HEAVIEST ABOVE TIMBERLINE AND WEST FACING SLOPES. * WIND/VISIBILITY...WEST TO SOUTHWEST WINDS OF 25 TO 45 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES MAY FALL BELOW A FEW HUNDRED FEET AT TIMES DUE TO HEAVY SNOW AND BLOWING SNOW. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND VERY DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS TODAY THROUGH SATURDAY MORNING...ESPECIALLY OVER THE PASSES. 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. && $$ COZ033-034-171215- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1800Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- 904 PM MST FRI DEC 16 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SATURDAY... * TIMING...SNOWFALL WILL INCREASE IN INTENSITY THIS EVENING AND CONTINUE INTO SATURDAY MORNING. SNOW WILL BE HEAVY AT TIMES THIS TONIGHT. * SNOW ACCUMULATIONS...8 TO 16 INCHES. * WIND/VISIBILITY...WEST TO SOUTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS AROUND 50 MPH WILL PRODUCE BLOWING SNOW OVER THE HIGHER PASSES AND RIDGES THROUGH FRIDAY NIGHT. VISIBILITIES MAY FALL BELOW A FEW HUNDRED FEET AT TIMES IN HEAVY SNOWFALL AND BLOWING SNOW. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND VERY DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS TODAY THROUGH SATURDAY MORNING. TRAVEL RESTRICTIONS AND ROAD CLOSURES ARE HIGHLY POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND BLOWING SNOW ARE LIKELY... .WHICH WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ042-044>046-048>051-171215- /O.CON.KBOU.WC.W.0001.161217T1200Z-161217T1900Z/ /O.CON.KBOU.WC.Y.0002.161217T0700Z-161217T1200Z/ NORTHEAST WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY- PHILLIPS COUNTY- 904 PM MST FRI DEC 16 2016 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 5 AM MST SATURDAY... ...WIND CHILL WARNING REMAINS IN EFFECT FROM 5 AM TO NOON MST SATURDAY... * WIND CHILL VALUES FOR THE ADVISORY WILL RANGE FROM 15 TO 25 BELOW ZERO. WIND CHILL VALUES WILL DROP BELOW 25 DEGREES BELOW ZERO FROM 5 AM UNTIL NOON SATURDAY. * IMPACTS...THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ COZ038-040-041-043-171215- /O.NEW.KBOU.WW.Y.0029.161217T0404Z-161217T1500Z/ /O.CON.KBOU.WC.Y.0002.161217T1200Z-161217T1900Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- CENTRAL AND SOUTH WELD COUNTY- 904 PM MST FRI DEC 16 2016 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 8 AM MST SATURDAY... ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 5 AM TO NOON MST SATURDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW, WHICH IS IN EFFECT UNTIL 8 AM MST SATURDAY. * TIMING...SNOW WILL CONTINUE OVERNIGHT...DECREASING EARLY SATURDAY. * SNOW ACCUMULATIONS...3 TO 5 INCHES. * WIND/VISIBILITY...NORTH NORTHEAST WINDS 19 TO 15 MPH WITH VISIBILITIES TO A HALF MILE IN SNOW AND BLOWING SNOW. * WIND CHILL VALUES...15 TO 25 BELOW ZERO. * IMPACTS...THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ035-036-039-171215- /O.NEW.KBOU.WW.Y.0029.161217T0404Z-161217T1500Z/ 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- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- 904 PM MST FRI DEC 16 2016 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 8 AM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW, WHICH IS IN EFFECT UNTIL 8 AM MST SATURDAY. * TIMING...SNOW CONTINUING OVERNIGHT...DECREASING EARLY SATURDAY. * SNOW ACCUMULATIONS...4 TO 6 INCHES WITH SOME LOCALLY HEAVIER AMOUNTS. * WIND/VISIBILITY...NORTHEAST WINDS 5 TO 15 MPH WILL COMBINE WITH FALLING SNOW TO CREATE VISIBILITIES TO A QUARTER MILE AT TIMES. * IMPACTS...WINTER DRIVING CONDITIONS CAN BE EXPECTED WITH SNOWPACKED ROADS AND LIMITED 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. && $$
578 WWUS45 KBOU 170821 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 121 AM MST SAT DEC 17 2016 ...WINTER STORM BRINGING HEAVY SNOW TO THE MOUNTAINS AND THE DENVER AREA ALONG WITH VERY COLD TEMPERATURES... .HEAVY SNOW WILL CONTINUE OVER THE MOUNTAINS THROUGH SUNRISE. THERE WILL ALSO BE AN AREA OF HEAVY SNOW EXTENDING FROM THE CENTRAL AND SOUTHERN PARTS OF THE DENVER METRO AREA EAST TOWARDS AKRON AND LIMON. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE COMMON IN THESE AREAS. THIS WILL CREATE SNOW COVERED ROADS WHICH MAY BECOME NEARLY IMPASSABLE DURING THE PERIOD OF HEAVY SNOWFALL. IN THESE AREAS TRAVEL SHOULD BE DELAYED IF POSSIBLE. CHECK THE LATEST ROAD CONDITIONS AND POSSIBLE CLOSURES AT WWW.COTRIP.ORG OR DIAL 511 FROM WITHIN COLORADO. THE SNOW WILL DIMINISH FROM THE NORTH AND WEST LATER TONIGHT AND SATURDAY MORNING...BUT VERY COLD TEMPERATURES WILL CONTINUE WITH DANGEROUS WIND CHILLS. COZ040-041-171630- /O.UPG.KBOU.WW.Y.0029.000000T0000Z-161217T1500Z/ /O.EXB.KBOU.WS.W.0011.000000T0000Z-161217T1500Z/ /O.CON.KBOU.WC.Y.0002.161217T1200Z-161217T1900Z/ NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- INCLUDING THE CITIES OF AURORA, BRIGHTON, CITY OF DENVER, DENVER INTERNATIONAL AIRPORT, HIGHLANDS RANCH, LITTLETON, PARKER, CASTLE ROCK, ELBERT, FONDIS, KIOWA, AND LARKSPUR 121 AM MST SAT DEC 17 2016 ...WINTER STORM WARNING IN EFFECT UNTIL 8 AM MST THIS MORNING... ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 5 AM EARLY THIS MORNING TO NOON MST TODAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING, WHICH IS IN EFFECT UNTIL 8 AM MST THIS MORNING. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...SNOW WILL CONTINUE OVERNIGHT AND WILL BE HEAVY ACROSS THE CENTRAL AND SOUTHERN PARTS OF THE DENVER METRO AREA AND AREAS SOUTH AND EAST OF DENVER. THE SNOW WILL DECREASE SATURDAY MORNING. * SNOW ACCUMULATIONS...6 TO 12 INCHES. * WIND/VISIBILITY...NORTHEAST WINDS 10 TO 20 MPH. VISIBILITIES DOWN TO A QUARTER MILE IN HEAVY SNOW. ONLY MINOR DRIFTING OF THE SNOW. * WIND CHILL VALUES...15 TO 25 BELOW ZERO. * IMPACTS...ROADS WILL BE SNOW COVERED AND MAY BECOME IMPASSABLE DURING THE PERIOD OF HEAVY SNOW. COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING 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. IF YOU MUST VENTURE OUTDOORS THIS MORNING...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ COZ045-171630- /O.EXB.KBOU.WS.W.0011.000000T0000Z-161217T1500Z/ /O.CON.KBOU.WC.W.0001.161217T1200Z-161217T1900Z/ /O.CON.KBOU.WC.Y.0002.000000T0000Z-161217T1200Z/ CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- INCLUDING THE CITIES OF BENNETT, BYERS, DEER TRAIL, AND LEADER 121 AM MST SAT DEC 17 2016 ...WINTER STORM WARNING IN EFFECT UNTIL 8 AM MST THIS MORNING... ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... ...WIND CHILL WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS MORNING TO NOON MST TODAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING, WHICH IS IN EFFECT UNTIL 8 AM MST THIS MORNING. * TIMING...SNOW WILL CONTINUE OVERNIGHT AND WILL BE HEAVY AT TIMES. THE SNOW WILL DECREASE SATURDAY MORNING. * SNOW ACCUMULATIONS...6 TO 12 INCHES. * WIND CHILL VALUES FOR THE ADVISORY WILL RANGE FROM 15 TO 25 BELOW ZERO. WIND CHILL VALUES WILL DROP BELOW 25 DEGREES BELOW ZERO FROM 5 AM UNTIL NOON SATURDAY. * IMPACTS...ROADS WILL BE SNOW COVERED AND MAY BECOME IMPASSABLE DURING THE PERIOD OF HEAVY SNOW. THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING 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. IF YOU MUST VENTURE OUTDOORS THIS MORNING...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ COZ036-039-171500- /O.UPG.KBOU.WW.Y.0029.000000T0000Z-161217T1500Z/ /O.EXB.KBOU.WS.W.0011.000000T0000Z-161217T1500Z/ JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- INCLUDING THE CITIES OF BAILEY, CENTRAL CITY, EVERGREEN, GEORGETOWN, IDAHO SPRINGS, WESTCREEK, ARVADA, BOULDER, GOLDEN, LAKEWOOD, AND LONGMONT 121 AM MST SAT DEC 17 2016 ...WINTER STORM WARNING IN EFFECT UNTIL 8 AM MST THIS MORNING... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING, WHICH IS IN EFFECT UNTIL 8 AM MST THIS MORNING. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...SNOW CONTINUING OVERNIGHT AND WILL BE HEAVY AT TIMES FROM INTERSTATE 70 SOUTHWARD. THE SNOW WILL DECREASE SATURDAY MORNING. * SNOW ACCUMULATIONS...6 TO 12 INCHES. * WIND/VISIBILITY...LIGHT WINDS. VISIBILITIES AS LOW AS A QUARTER MILE IN HEAVY SNOW. * IMPACTS...ROADS WILL BE SNOW COVERED AND MAY BECOME IMPASSABLE DURING THE PERIOD OF HEAVY SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. IF YOU MUST VENTURE OUTDOORS THIS MORNING...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ COZ046-049-171630- /O.EXA.KBOU.WW.Y.0029.000000T0000Z-161217T1500Z/ /O.CON.KBOU.WC.W.0001.161217T1200Z-161217T1900Z/ /O.CON.KBOU.WC.Y.0002.000000T0000Z-161217T1200Z/ NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-WASHINGTON COUNTY- INCLUDING THE CITIES OF AGATE, HUGO, LIMON, MATHESON, AKRON, COPE, LAST CHANCE, AND OTIS 121 AM MST SAT DEC 17 2016 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 8 AM MST THIS MORNING... ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... ...WIND CHILL WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS MORNING TO NOON MST TODAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW, WHICH IS IN EFFECT UNTIL 8 AM MST THIS MORNING. * TIMING...AN AREA OF HEAVY SNOW WILL SPREAD FROM EAST OF DENVER AND AKRON INTO THE LIMON AREA DURING THE EARLY MORNING HOURS. THE SNOW WILL DIMINISH FROM NORTHWEST TO SOUTHEAST SATURDAY MORNING. * SNOW ACCUMULATIONS...4 TO 8 INCHES. * WIND/VISIBILITY...NORTH WINDS AT 15 TO 25 MPH WILL CAUSE DRIFTING SNOW. VISIBILITIES AS LOW AS A QUARTER MILE IN HEAVY SNOW. * WIND CHILL VALUES FOR THE ADVISORY WILL RANGE FROM 15 TO 25 BELOW ZERO. WIND CHILL VALUES WILL DROP BELOW 25 DEGREES BELOW ZERO FROM 5 AM UNTIL NOON SATURDAY. * IMPACTS...ROADS WILL BECOME SNOW COVERED AND TRAVEL WILL BECOME DIFFICULT. THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVELERS SHOULD BE PREPARED FOR WINTER DRIVING CONDITIONS...AND NOTE THAT CONDITIONS ARE WORSE IN THE DENVER AREA AND IN THE MOUNTAINS WEST OF DENVER. IF YOU MUST BE OUTSIDE THIS MORNING...WEAR CLOTHING THAT COVERS YOUR SKIN...INCLUDING YOUR FACE. THE WIND CHILL WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ COZ031-171630- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1800Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF EAST SLOPES PARK AND NORTHERN GORE RANGES, GORE PASS, AND RABBIT EARS PASS 121 AM MST SAT DEC 17 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * TIMING...HEAVY SNOW WILL DIMINISH THIS MORNING. * SNOW ACCUMULATIONS...FROM 12 TO 24 INCHES....HEAVIEST ABOVE TIMBERLINE AND WEST FACING SLOPES. * WIND/VISIBILITY...WEST TO SOUTHWEST WINDS OF 25 TO 45 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES MAY FALL BELOW A FEW HUNDRED FEET AT TIMES DUE TO HEAVY SNOW AND BLOWING SNOW. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND VERY DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ033-034-171630- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1800Z/ 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 121 AM MST SAT DEC 17 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * TIMING...HEAVY SNOW WILL CONTINUE OVERNIGHT...THEN DIMINISH SATURDAY MORNING. * SNOW ACCUMULATIONS...12 TO 24 INCHES. * WIND/VISIBILITY...WEST TO SOUTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS AROUND 50 MPH WILL PRODUCE BLOWING SNOW OVER THE HIGHER PASSES AND RIDGES THROUGH FRIDAY NIGHT. VISIBILITIES MAY FALL BELOW A FEW HUNDRED FEET AT TIMES IN HEAVY SNOWFALL AND BLOWING SNOW. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND VERY DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS. TRAVEL RESTRICTIONS AND ROAD CLOSURES ARE HIGHLY POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND BLOWING SNOW ARE LIKELY... .WHICH WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ042-044-048-050-051-171630- /O.CON.KBOU.WC.W.0001.161217T1200Z-161217T1900Z/ /O.CON.KBOU.WC.Y.0002.000000T0000Z-161217T1200Z/ NORTHEAST WELD COUNTY-MORGAN COUNTY-LOGAN COUNTY-SEDGWICK COUNTY- PHILLIPS COUNTY- INCLUDING THE CITIES OF BRIGGSDALE, GROVER, PAWNEE BUTTES, RAYMER, STONEHAM, BRUSH, FORT MORGAN, GOODRICH, WIGGINS, CROOK, MERINO, STERLING, PEETZ, JULESBURG, OVID, SEDGWICK, AMHERST, HAXTUN, AND HOLYOKE 121 AM MST SAT DEC 17 2016 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... ...WIND CHILL WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS MORNING TO NOON MST TODAY... * WIND CHILL VALUES FOR THE ADVISORY WILL RANGE FROM 15 TO 25 BELOW ZERO. WIND CHILL VALUES WILL DROP BELOW 25 DEGREES BELOW ZERO FROM 5 AM UNTIL NOON SATURDAY. * IMPACTS...THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ COZ037-171500- /O.EXA.KBOU.WW.Y.0029.000000T0000Z-161217T1500Z/ CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING THE CITIES OF FAIRPLAY, HARTSEL, LAKE GEORGE, AND SOUTH PARK 121 AM MST SAT DEC 17 2016 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 8 AM MST THIS MORNING... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW, WHICH IS IN EFFECT UNTIL 8 AM MST THIS MORNING. * TIMING...SNOW WILL BE HEAVY AT TIMES OVERNIGHT...DECREASING EARLY SATURDAY. * SNOW ACCUMULATIONS...4 TO 8 INCHES. * WIND/VISIBILITY...LIGHT WINDS. VISIBILITY DOWN TO A QUARTER MILE AT TIMES IN HEAVY SNOW. * WIND CHILL VALUES...15 TO 25 BELOW ZERO. * IMPACTS...ROADS WILL BECOME SNOW COVERED AND TRAVEL WILL BE DIFFICULT. THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. 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. && $$ COZ038-043-171630- /O.CON.KBOU.WW.Y.0029.000000T0000Z-161217T1500Z/ /O.CON.KBOU.WC.Y.0002.161217T1200Z-161217T1900Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- CENTRAL AND SOUTH WELD COUNTY- INCLUDING THE CITIES OF FORT COLLINS, HEREFORD, LOVELAND, NUNN, EATON, FORT LUPTON, GREELEY, AND ROGGEN 121 AM MST SAT DEC 17 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING... ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 5 AM EARLY THIS MORNING TO NOON MST TODAY... * TIMING...SNOW WILL DIMINISH THROUGH THE OVERNIGHT HOURS. * SNOW ACCUMULATIONS...3 TO 6 INCHES. * WIND/VISIBILITY...NORTH NORTHEAST WINDS 10 TO 20 MPH WITH VISIBILITIES TO A HALF MILE IN SNOW. ONLY MINOR DRIFTING OF THE SNOW. * WIND CHILL VALUES...15 TO 25 BELOW ZERO. * IMPACTS...ROADS WILL BE SNOW COVERED AND TRAVEL WILL BE DIFFICULT DURING THE OVERNIGHT HOURS. THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ035-171500- /O.CON.KBOU.WW.Y.0029.000000T0000Z-161217T1500Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- INCLUDING THE CITIES OF ESTES PARK, GLENDEVEY, NEDERLAND, AND RED FEATHER LAKES 121 AM MST SAT DEC 17 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING... * TIMING...SNOW WILL DIMINISH OVERNIGHT. * SNOW ACCUMULATIONS...5 TO 8 INCHES. * WIND/VISIBILITY...LIGHT WINDS WITH ONLY MINOR DRIFTING OF THE SNOW. VISIBILITIES DOWN TO A HALF MILE AT TIMES. * IMPACTS...WINTER DRIVING CONDITIONS CAN BE EXPECTED WITH SNOWPACKED ROADS AND LIMITED 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. && $$ GIMMESTAD
202 WWUS45 KBOU 171302 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 602 AM MST SAT DEC 17 2016 ...WINTER STORM MOVING ONTO THE PLAINS THIS MORNING ALONG WITH VERY COLD TEMPERATURES... .HEAVY SNOW HAS SPREAD ONTO THE PLAINS EAST OF DENVER THIS MORNING WITH DECREASING SNOW IN THE MOUNTAINS AND THE DENVER AREA. AREAS AROUND LIMON WILL SEE DECREASING SNOW BY MID MORNING. ROADS REMAIN SNOW COVERED EARLY THIS MORNING MAKING FOR SLOW TRAVEL. CONDITIONS WILL IMPROVE LATER THIS MORNING...SO IT MAY BE WISE TO DELAY TRAVEL...ESPECIALLY EAST OF DENVER. CHECK THE LATEST ROAD CONDITIONS AND POSSIBLE CLOSURES AT WWW.COTRIP.ORG OR DIAL 511 FROM WITHIN COLORADO. THE SNOW WILL CONTINUE TO DIMINISH FROM THE NORTH AND WEST THIS MORNING...BUT VERY COLD TEMPERATURES WILL CONTINUE WITH DANGEROUS WIND CHILLS. COZ038-043-171900- /O.CAN.KBOU.WW.Y.0029.000000T0000Z-161217T1500Z/ /O.CON.KBOU.WC.Y.0002.000000T0000Z-161217T1900Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- CENTRAL AND SOUTH WELD COUNTY- INCLUDING THE CITIES OF FORT COLLINS, HEREFORD, LOVELAND, NUNN, EATON, FORT LUPTON, GREELEY, AND ROGGEN 602 AM MST SAT DEC 17 2016 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY... ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER WEATHER ADVISORY. * WIND CHILL VALUES...15 TO 25 BELOW ZERO. * IMPACTS...SNOW COVERED ROADS CAN STILL BE EXPECTED THIS MORNING. THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU MUST VENTURE OUTDOORS THIS MORNING...MAKE SURE YOU WEAR A HAT AND GLOVES. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ COZ035-171415- /O.CAN.KBOU.WW.Y.0029.000000T0000Z-161217T1500Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- INCLUDING THE CITIES OF ESTES PARK, GLENDEVEY, NEDERLAND, AND RED FEATHER LAKES 602 AM MST SAT DEC 17 2016 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER WEATHER ADVISORY. THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER WEATHER ADVISORY. A FEW FLURRIES ARE STILL POSSIBLE...AND TEMPERATURES WILL REMAIN QUITE COLD TODAY. $$ COZ045-171900- /O.CON.KBOU.WC.W.0001.000000T0000Z-161217T1900Z/ /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1500Z/ CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- INCLUDING THE CITIES OF BENNETT, BYERS, DEER TRAIL, AND LEADER 602 AM MST SAT DEC 17 2016 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING... * TIMING...SNOW WILL DIMINISH THIS MORNING. * SNOW ACCUMULATIONS...TOTALS OF 6 TO 12 INCHES. * WIND CHILL VALUES WILL DROP AS LOW AS 25 DEGREES BELOW ZERO THIS MORNING. * IMPACTS...ROADS WILL BE SNOW COVERED AND TRAVEL WILL BE DIFFICULT UNTIL LATER THIS MORNING. THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. IF YOU MUST VENTURE OUTDOORS THIS MORNING...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ COZ040-041-171900- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1500Z/ /O.CON.KBOU.WC.Y.0002.000000T0000Z-161217T1900Z/ NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- INCLUDING THE CITIES OF AURORA, BRIGHTON, CITY OF DENVER, DENVER INTERNATIONAL AIRPORT, HIGHLANDS RANCH, LITTLETON, PARKER, CASTLE ROCK, ELBERT, FONDIS, KIOWA, AND LARKSPUR 602 AM MST SAT DEC 17 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING... ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY... * TIMING...SNOW WILL CONTINUE TO DECREASE THIS MORNING. * SNOW ACCUMULATIONS...AN ADDITIONAL INCH OR TWO IN AREAS SOUTH OF DENVER WITH LIGHTER SNOW FURTHER NORTH. STORM TOTALS WILL BE 4 TO 12 INCHES. * WIND/VISIBILITY...NORTHEAST WINDS 10 TO 20 MPH WILL PRODUCE MINOR DRIFTING OF THE SNOW. * WIND CHILL VALUES...15 TO 25 BELOW ZERO. * IMPACTS...ROADS WILL BE SNOW COVERED AND TRAVEL WILL BE DIFFICULT. COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. IF YOU MUST VENTURE OUTDOORS THIS MORNING...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ COZ046-049-171900- /O.CON.KBOU.WC.W.0001.000000T0000Z-161217T1900Z/ /O.CON.KBOU.WW.Y.0029.000000T0000Z-161217T1500Z/ NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-WASHINGTON COUNTY- INCLUDING THE CITIES OF AGATE, HUGO, LIMON, MATHESON, AKRON, COPE, LAST CHANCE, AND OTIS 602 AM MST SAT DEC 17 2016 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING... * TIMING...HEAVY SNOW WILL DIMINISH BY MID MORNING. * SNOW ACCUMULATIONS...TOTALS OF 4 TO 8 INCHES. * WIND/VISIBILITY...NORTH WINDS AT 15 TO 25 MPH WILL CAUSE DRIFTING SNOW. VISIBILITIES AS LOW AS A QUARTER MILE IN HEAVY SNOW. * WIND CHILL VALUES WILL DROP AS LOW AS 25 DEGREES BELOW ZERO THIS MORNING. * IMPACTS...ROADS WILL BE SNOW COVERED AND TRAVEL WILL BECOME DIFFICULT. THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVELERS SHOULD BE PREPARED FOR WINTER DRIVING CONDITIONS. IF YOU MUST BE OUTSIDE THIS MORNING...WEAR CLOTHING THAT COVERS YOUR SKIN...INCLUDING YOUR FACE. THE WIND CHILL WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ COZ031-171800- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1800Z/ 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 602 AM MST SAT DEC 17 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * TIMING...SNOW WILL DIMINISH THIS MORNING. * SNOW ACCUMULATIONS...FROM 12 TO 24 INCHES....HEAVIEST ABOVE TIMBERLINE AND WEST FACING SLOPES. * WIND/VISIBILITY...NORTHWEST WINDS OF 15 TO 30 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND VERY DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS. 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. && $$ COZ033-034-171800- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1800Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF CAMERON PASS, LARAMIE AND MEDICINE BOW MOUNTAINS, RABBIT EARS RANGE, ROCKY MOUNTAIN NATIONAL PARK, WILLOW CREEK PASS, BERTHOUD PASS, BRECKENRIDGE, EAST SLOPES MOSQUITO RANGE, EAST SLOPES SOUTHERN GORE RANGE, EISENHOWER TUNNEL, INDIAN PEAKS, KENOSHA MOUNTAINS, MOUNT EVANS, WILLIAMS FORK MOUNTAINS, AND WINTER PARK 602 AM MST SAT DEC 17 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * TIMING...SNOW WILL DIMINISH THIS MORNING. * SNOW ACCUMULATIONS...12 TO 24 INCHES. * WIND/VISIBILITY...NORTHWEST WINDS OF 15 TO 30 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND VERY DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS. TRAVEL RESTRICTIONS AND ROAD CLOSURES ARE LIKELY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND BLOWING SNOW ARE LIKELY... WHICH WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ036-039-171500- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1500Z/ JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- INCLUDING THE CITIES OF BAILEY, CENTRAL CITY, EVERGREEN, GEORGETOWN, IDAHO SPRINGS, WESTCREEK, ARVADA, BOULDER, GOLDEN, LAKEWOOD, AND LONGMONT 602 AM MST SAT DEC 17 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING... * TIMING...SNOW WILL DECREASE SATURDAY MORNING. * SNOW ACCUMULATIONS...TOTALS OF 6 TO 12 INCHES. * WIND/VISIBILITY...LIGHT WINDS. * IMPACTS...ROADS WILL BE SNOW COVERED AND TRAVEL WILL BE DIFFICULT EARLY THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. IF YOU MUST VENTURE OUTDOORS THIS MORNING...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ COZ042-044-048-050-051-171900- /O.CON.KBOU.WC.W.0001.000000T0000Z-161217T1900Z/ NORTHEAST WELD COUNTY-MORGAN COUNTY-LOGAN COUNTY-SEDGWICK COUNTY- PHILLIPS COUNTY- INCLUDING THE CITIES OF BRIGGSDALE, GROVER, PAWNEE BUTTES, RAYMER, STONEHAM, BRUSH, FORT MORGAN, GOODRICH, WIGGINS, CROOK, MERINO, STERLING, PEETZ, JULESBURG, OVID, SEDGWICK, AMHERST, HAXTUN, AND HOLYOKE 602 AM MST SAT DEC 17 2016 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... * WIND CHILL VALUES WILL DROP AS LOW AS 25 DEGREES BELOW ZERO THIS MORNING. * IMPACTS...THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ COZ047-171900- /O.EXA.KBOU.WC.Y.0002.000000T0000Z-161217T1900Z/ /O.EXA.KBOU.WW.Y.0029.000000T0000Z-161217T1500Z/ SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF FORDER, KARVAL, KUTCH, AND PUNKIN CENTER 602 AM MST SAT DEC 17 2016 ...WIND CHILL ADVISORY IN EFFECT UNTIL NOON MST TODAY... ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 8 AM MST THIS MORNING... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW, WHICH IS IN EFFECT UNTIL 8 AM MST THIS MORNING. A WIND CHILL ADVISORY HAS ALSO BEEN ISSUED. THIS WIND CHILL ADVISORY IS IN EFFECT UNTIL NOON MST TODAY. * TIMING...SNOW WILL BE HEAVY AT TIMES FOR A FEW HOURS THIS MORNING...THEN DIMINISH. * SNOW ACCUMULATIONS...2 TO 5 INCHES. * WIND/VISIBILITY...NORTHEAST WINDS 10 TO 20 MPH. VISIBILITIES DOWN TO A QUARTER MILE IN HEAVY SNOW. ONLY MINOR DRIFTING OF THE SNOW. * WIND CHILL VALUES...15 TO 25 BELOW ZERO. * IMPACTS...ROADS WILL BE SNOW COVERED AND TRAVEL MAY BECOME DIFFICULT DURING THE PERIOD OF HEAVY SNOW. COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVELERS SHOULD BE PREPARED FOR WINTER DRIVING CONDITIONS. IF YOU MUST BE OUTSIDE THIS MORNING...WEAR CLOTHING THAT COVERS YOUR SKIN...INCLUDING YOUR FACE. && $$ COZ037-171500- /O.CON.KBOU.WW.Y.0029.000000T0000Z-161217T1500Z/ CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING THE CITIES OF FAIRPLAY, HARTSEL, LAKE GEORGE, AND SOUTH PARK 602 AM MST SAT DEC 17 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING... * TIMING...SNOW WILL BE HEAVY AT TIMES OVERNIGHT...DECREASING EARLY SATURDAY. * SNOW ACCUMULATIONS...4 TO 8 INCHES. * WIND/VISIBILITY...LIGHT WINDS. VISIBILITY DOWN TO A QUARTER MILE AT TIMES IN HEAVY SNOW. * WIND CHILL VALUES...15 TO 25 BELOW ZERO. * IMPACTS...ROADS WILL BECOME SNOW COVERED AND TRAVEL WILL BE DIFFICULT. THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
159 WWUS45 KBOU 171515 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 815 AM MST SAT DEC 17 2016 ...WINTER STORM MOVING ONTO THE PLAINS THIS MORNING ALONG WITH VERY COLD TEMPERATURES... .ACCUMULATING SNOWFALL HAS GENERALLY ENDED ON THE PLAINS ON NORTHEAST COLORADO ROUGHLY NORTH OF INTERSTATE 70. SOUTH OF THE INTERSTATE LIGHT TO IN SOME AREAS MODERATE SNOWFALL CONTINUES WITH THE HEAVIER SNOWFALL STILL OCCURRING ACROSS ELBERT AND LINCOLN COUNTIES. SNOWFALL IN THIS AREA SHOULD DIMINISH BY AROUND 10 AM MST. IN THE HIGH COUNTRY...ONLY ARES OF LIGHT SNOWFALL CONTINUES AND THEREFORE ADDITIONAL ACCUMULATIONS WILL BE MINIMAL. ROADS REMAIN SNOW COVERED THIS MORNING MAKING FOR SLOW TRAVEL. DRIVING CONDITIONS SHOULD IMPROVE LATER THIS MORNING.. IF YOU NEED TO TRAVEL THIS MORNING...ESPECIALLY UP INTO THE HIGH COUNTRY... CHECK THE LATEST ROAD CONDITIONS AND POSSIBLE CLOSURES AT WWW.COTRIP.ORG OR DIAL 511 FROM WITHIN COLORADO. FINALLY....VERY COLD TEMPERATURES AND LIGHT NORTHERLY WINDS WILL CONTINUE TO PRODUCE DANGEROUS WIND CHILLS THIS MORNING. COZ045-171900- /O.EXP.KBOU.WS.W.0011.000000T0000Z-161217T1500Z/ /O.CON.KBOU.WC.W.0001.000000T0000Z-161217T1900Z/ CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- INCLUDING THE CITIES OF BENNETT, BYERS, DEER TRAIL, AND LEADER 815 AM MST SAT DEC 17 2016 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... ...WINTER STORM WARNING EXPIRED AT 8 AM MST THIS MORNING... WIND CHILL VALUES AS LOW AS 25 DEGREES BELOW ZERO THIS MORNING. *IMPACTS...ROADS WILL BE SNOW COVERED AND TRAVEL WILL BE DIFFICULT UNTIL LATER THIS MORNING. THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. IF YOU MUST VENTURE OUTDOORS THIS MORNING...MAKE SURE YOU WEAR A HAT AND GLOVES. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ COZ040-041-171900- /O.EXP.KBOU.WS.W.0011.000000T0000Z-161217T1500Z/ /O.CON.KBOU.WC.Y.0002.000000T0000Z-161217T1900Z/ NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- INCLUDING THE CITIES OF AURORA, BRIGHTON, CITY OF DENVER, DENVER INTERNATIONAL AIRPORT, HIGHLANDS RANCH, LITTLETON, PARKER, CASTLE ROCK, ELBERT, FONDIS, KIOWA, AND LARKSPUR 815 AM MST SAT DEC 17 2016 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY... ...WINTER STORM WARNING EXPIRED AT 8 AM MST THIS MORNING... * WIND CHILL VALUES...AS LOW AS 15 TO 20 BELOW ZERO THIS MORNING * IMPACTS...ROADS WILL BE SNOW COVERED AND TRAVEL WILL BE DIFFICULT. COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. IF YOU MUST VENTURE OUTDOORS THIS MORNING...MAKE SURE YOU WEAR A HAT AND GLOVES. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ COZ036-039-171615- /O.EXP.KBOU.WS.W.0011.000000T0000Z-161217T1500Z/ JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- INCLUDING THE CITIES OF BAILEY, CENTRAL CITY, EVERGREEN, GEORGETOWN, IDAHO SPRINGS, WESTCREEK, ARVADA, BOULDER, GOLDEN, LAKEWOOD, AND LONGMONT 815 AM MST SAT DEC 17 2016 ...WINTER STORM WARNING EXPIRED AT 8 AM MST THIS MORNING... SNOWFALL WAS ON THE DECLINE ALONG THE FRONT RANGE AND WILL CONTINUE TO DO SO OVER THE NEXT COUPLE OF HOURS. ANY ADDITIONAL SNOW ACCUMULATION WILL BE MINIMAL...GENERALLY UNDER AN INCH. THEREFORE THE WINTER STORM WARNING WILL BE ALLOWED TO EXPIRE. $$ COZ046-049-171900- /O.EXP.KBOU.WW.Y.0029.000000T0000Z-161217T1500Z/ /O.CON.KBOU.WC.W.0001.000000T0000Z-161217T1900Z/ NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-WASHINGTON COUNTY- INCLUDING THE CITIES OF AGATE, HUGO, LIMON, MATHESON, AKRON, COPE, LAST CHANCE, AND OTIS 815 AM MST SAT DEC 17 2016 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... ...WINTER WEATHER ADVISORY WILL EXPIRE AT 8 AM MST THIS MORNING... * WIND CHILL VALUES WILL DROP AS LOW AS 25 DEGREES BELOW ZERO THIS MORNING. * IMPACTS...ROADS WILL BE SNOW COVERED AND TRAVEL WILL BECOME DIFFICULT. THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVELERS SHOULD BE PREPARED FOR WINTER DRIVING CONDITIONS. IF YOU MUST BE OUTSIDE THIS MORNING...WEAR CLOTHING THAT COVERS YOUR SKIN...INCLUDING YOUR FACE. THE WIND CHILL WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ COZ047-171900- /O.EXP.KBOU.WW.Y.0029.000000T0000Z-161217T1500Z/ /O.CON.KBOU.WC.Y.0002.000000T0000Z-161217T1900Z/ SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF FORDER, KARVAL, KUTCH, AND PUNKIN CENTER 815 AM MST SAT DEC 17 2016 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY... ...WINTER WEATHER ADVISORY EXPIRED AT 8 AM MST THIS MORNING... * WIND CHILL VALUES...15 TO 20 BELOW ZERO. * IMPACTS...ROADS WILL BE SNOW COVERED AND TRAVEL MAY BECOME DIFFICULT DURING THE PERIOD OF HEAVY SNOW. COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVELERS SHOULD BE PREPARED FOR WINTER DRIVING CONDITIONS. IF YOU MUST BE OUTSIDE THIS MORNING...WEAR CLOTHING THAT COVERS YOUR SKIN...INCLUDING YOUR FACE. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ COZ037-171615- /O.EXP.KBOU.WW.Y.0029.000000T0000Z-161217T1500Z/ CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING THE CITIES OF FAIRPLAY, HARTSEL, LAKE GEORGE, AND SOUTH PARK 815 AM MST SAT DEC 17 2016 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 8 AM MST THIS MORNING... * SNOWFALL HAS ENDED. TRAVELERS SHOULD BE PREPARED FOR WINTER DRIVING CONDITIONS. IF YOU MUST BE OUTSIDE THIS MORNING...WEAR CLOTHING THAT COVERS YOUR SKIN...INCLUDING YOUR FACE. THE WIND CHILL WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ COZ031-171800- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1800Z/ 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 815 AM MST SAT DEC 17 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * TIMING...SNOW WILL DIMINISH THIS MORNING. * SNOW ACCUMULATIONS...FROM 12 TO 24 INCHES....HEAVIEST ABOVE TIMBERLINE AND WEST FACING SLOPES. * WIND/VISIBILITY...NORTHWEST WINDS OF 15 TO 30 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND VERY DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS. 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. && $$ COZ033-034-171800- /O.CON.KBOU.WS.W.0011.000000T0000Z-161217T1800Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF CAMERON PASS, LARAMIE AND MEDICINE BOW MOUNTAINS, RABBIT EARS RANGE, ROCKY MOUNTAIN NATIONAL PARK, WILLOW CREEK PASS, BERTHOUD PASS, BRECKENRIDGE, EAST SLOPES MOSQUITO RANGE, EAST SLOPES SOUTHERN GORE RANGE, EISENHOWER TUNNEL, INDIAN PEAKS, KENOSHA MOUNTAINS, MOUNT EVANS, WILLIAMS FORK MOUNTAINS, AND WINTER PARK 815 AM MST SAT DEC 17 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * TIMING...SNOW WILL DIMINISH THIS MORNING. * SNOW ACCUMULATIONS...12 TO 24 INCHES. * WIND/VISIBILITY...NORTHWEST WINDS OF 15 TO 30 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. * IMPACTS...THE SNOW AND BLOWING SNOW WILL PRODUCE HAZARDOUS AND VERY DIFFICULT TRAVEL CONDITIONS ACROSS THE MOUNTAINS. TRAVEL RESTRICTIONS AND ROAD CLOSURES ARE LIKELY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND BLOWING SNOW ARE LIKELY... WHICH WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ042-044-048-050-051-171900- /O.CON.KBOU.WC.W.0001.000000T0000Z-161217T1900Z/ NORTHEAST WELD COUNTY-MORGAN COUNTY-LOGAN COUNTY-SEDGWICK COUNTY- PHILLIPS COUNTY- INCLUDING THE CITIES OF BRIGGSDALE, GROVER, PAWNEE BUTTES, RAYMER, STONEHAM, BRUSH, FORT MORGAN, GOODRICH, WIGGINS, CROOK, MERINO, STERLING, PEETZ, JULESBURG, OVID, SEDGWICK, AMHERST, HAXTUN, AND HOLYOKE 815 AM MST SAT DEC 17 2016 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... * WIND CHILL VALUES WILL DROP AS LOW AS 25 DEGREES BELOW ZERO THIS MORNING. * IMPACTS...THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ COZ038-043-171900- /O.CON.KBOU.WC.Y.0002.000000T0000Z-161217T1900Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- CENTRAL AND SOUTH WELD COUNTY- INCLUDING THE CITIES OF FORT COLLINS, HEREFORD, LOVELAND, NUNN, EATON, FORT LUPTON, GREELEY, AND ROGGEN 815 AM MST SAT DEC 17 2016 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY... * WIND CHILL VALUES...15 TO 25 BELOW ZERO. * IMPACTS...SNOW COVERED ROADS CAN STILL BE EXPECTED THIS MORNING. THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU MUST VENTURE OUTDOORS THIS MORNING...MAKE SURE YOU WEAR A HAT AND GLOVES. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$
378 WWUS45 KBOU 171633 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 933 AM MST SAT DEC 17 2016 ...WINTER STORM MOVING ONTO THE PLAINS THIS MORNING ALONG WITH VERY COLD TEMPERATURES... .AS OF MID-MORNING SNOWFALL HAD ENDED IN MOST AREAS ON THE PLAINS ROUGHLY NORTH OF INTERSTATE 70. SOUTH OF THE INTERSTATE A BAND OF LIGHT TO MODERATE SNOWFALL CONTINUES...HOWEVER SNOWFALL SHOULD END IN THIS AREA AS WELL BY AROUND MIDDAY. IN THE HIGH COUNTRY...AREAS MAINLY ALONG AND WEST OF THE CONTINENTAL DIVIDE WILL CONTINUE TO SEE PERIODS OF LIGHT SNOWFALL AT LEAST THROUGH EARLY THIS AFTERNOON WITH NEW ACCUMULATIONS GENERALLY UNDER 2 INCHES. CLEARING SKIES WILL THEN SPREAD SOUTH AND EAST OVER NORTH CENTRAL AND NORTHEAST COLORADO LATER THIS AFTERNOON. THIS WILL ALLOW FOR STRONG COOLING OVERNIGHT AND THE POSSIBILITY SETTING SOME NEW RECORD LOWS TONIGHT. ROADS REMAIN SNOW COVERED THIS MORNING MAKING FOR SLOW TRAVEL. DRIVING CONDITIONS SHOULD IMPROVE LATE THIS MORNING INTO EARLY AFTERNOON. IF YOU NEED TO TRAVEL THIS MORNING...PARTICULARLY UP INTO THE HIGH COUNTRY...CHECK THE LATEST ROAD CONDITIONS AND POSSIBLE CLOSURES AT WWW.COTRIP.ORG OR DIAL 511 FROM WITHIN COLORADO. FINALLY....VERY COLD TEMPERATURES AND NORTHERLY WINDS WILL CONTINUE TO PRODUCE DANGEROUS WIND CHILLS ON THE PLAINS FOR THE REMAINDER OF THE MORNING. COZ031-033-034-171745- /O.CAN.KBOU.WS.W.0011.000000T0000Z-161217T1800Z/ 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, AND WINTER PARK 933 AM MST SAT DEC 17 2016 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER STORM WARNING FOR THE NORTHERN MOUNTAINS OF COLORADO. SNOWFALL WILL CONTINUE TO DIMINISH IN THE HIGH COUNTRY THIS MORNING. POCKETS OF LIGHT ACCUMULATION IS STILL POSSIBLE UNTIL AROUND MIDDAY MAINLY ALONG AND WEST OF THE CONTINENTAL DIVIDE. ROADS REMAIN SNOW COVERED THIS MORNING MAKING FOR SLOW TRAVEL. DRIVING CONDITIONS SHOULD IMPROVE LATE THIS MORNING INTO EARLY AFTERNOON. IF YOU NEED TO TRAVEL THIS MORNING...PARTICULARLY UP INTO THE HIGH COUNTRY...CHECK THE LATEST ROAD CONDITIONS AND POSSIBLE CLOSURES AT WWW.COTRIP.ORG OR DIAL 511 FROM WITHIN COLORADO. $$ COZ042-044>046-048>051-171900- /O.CON.KBOU.WC.W.0001.000000T0000Z-161217T1900Z/ NORTHEAST WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY- PHILLIPS COUNTY- INCLUDING THE CITIES OF BRIGGSDALE, GROVER, PAWNEE BUTTES, RAYMER, STONEHAM, BRUSH, FORT MORGAN, GOODRICH, WIGGINS, BENNETT, BYERS, DEER TRAIL, LEADER, AGATE, HUGO, LIMON, MATHESON, CROOK, MERINO, STERLING, PEETZ, AKRON, COPE, LAST CHANCE, OTIS, JULESBURG, OVID, SEDGWICK, AMHERST, HAXTUN, AND HOLYOKE 933 AM MST SAT DEC 17 2016 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... * WIND CHILL VALUES WILL DROP AS LOW AS 25 DEGREES BELOW ZERO THIS MORNING. * IMPACTS...THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ COZ038-040-041-043-047-171900- /O.CON.KBOU.WC.Y.0002.000000T0000Z-161217T1900Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- CENTRAL AND SOUTH WELD COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF FORT COLLINS, HEREFORD, LOVELAND, NUNN, AURORA, BRIGHTON, CITY OF DENVER, DENVER INTERNATIONAL AIRPORT, HIGHLANDS RANCH, LITTLETON, PARKER, CASTLE ROCK, ELBERT, FONDIS, KIOWA, LARKSPUR, EATON, FORT LUPTON, GREELEY, ROGGEN, FORDER, KARVAL, KUTCH, AND PUNKIN CENTER 933 AM MST SAT DEC 17 2016 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY... * WIND CHILL VALUES...15 TO 20 BELOW ZERO. * IMPACTS...SNOW COVERED ROADS CAN STILL BE EXPECTED THIS MORNING. THE COLD TEMPERATURES AND WINDS WILL PRODUCE DANGEROUS WIND CHILL TEMPERATURES WITH POSSIBLE HYPOTHERMIA CONDITIONS WITH EXPOSED SKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU MUST VENTURE OUTDOORS THIS MORNING...MAKE SURE YOU WEAR A HAT AND GLOVES. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ BAKER
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Denver/Boulder, CO wrote its last area forecast discussion before this winter storm warning went out at Dec 15, 4:43 AM MST, 5 hours 38 minutes earlier.
Area forecast discussion, Dec 15, 4:43 AM MST, 5 hours 38 minutes before
Area Forecast Discussion National Weather Service Denver/Boulder CO 443 AM MST Thu Dec 15 2016 .SHORT TERM...(Today and tonight) Issued at 443 AM MST Thu Dec 15 2016 Drier air is moving into the mountains this morning bringing and end to the significant snowfall. There may still be some ridge top clouds and flurries, especially this morning. There is still abundant high cloudiness, and forecast need adjustment for this. Wind and temperature patterns on the plains will be interesting this morning. The mountain airmass is quite warm while there is a return southerly flow of cold dry air developing on the plains. Normally this would lead to some mixing of the mountain air across the Palmer Divide area and then a battle as to how far it erodes into the air in the South Platte valley. With an extreme difference in temperature, perhaps as much as 30 degrees, it seems like the warm air is more likely to ride over the cold air. But two questions...how far north will the warm air get...and how much return flow of the cold air up the valley toward the north and northwest side of Denver will there be? In general the forecast has this covered with some low 60s in Douglas County and 30s in the valley. I did sharpen the gradient a bit as places like southern Weld county and possibly even adjacent areas could stay in the cold air. Snow moves into the mountains overnight. Probably some light snow by the early morning hours, and really ramping up on the west edge of our area by sunrise. For now we will let the Winter Storm Watch continue, but it is looking pretty good for the higher mountains with good westerly flow, increasing moisture, and warm enough temperatures for pretty high moisture content. Probably just cold enough for it to be all snow in the mountain valleys, but it will be close and the mild temperatures may limit the impact in the valleys for the early part of the event. .LONG TERM...(Friday through Wednesday) Issued at 443 AM MST Thu Dec 15 2016 Very strong west-southwesterly flow aloft is over the CWA Friday morning. The speeds decrease Friday afternoon but are back over 100 knots by late Friday evening. The approaching upper trough's axis is progged over the western Colorado border by 12Z Saturday morning. Behind the trough passage, weaker zonal flow aloft is in place into Saturday evening. By 12Z Sunday morning, moderately strong northwesterly flow aloft is progged over the forecast area. There is decent upward QG vertical velocity progged Friday into Saturday morning. Downward energy is in place Saturday afternoon and night. The low level pressure and wind fields continue to show the cold air/upslope/cold front to move across the plains slowly on Friday. It is into the far northeast corner at 12Z but doesn't get up into the southwestern Denver Metro area lower foothills until 03Z Friday evening. It usually does not take such a cold airmass 15 hours to get across the plains. North and northeasterly low level winds are progged over the plains and lower foothills into Saturday early afternoon. Weak, normal drainage winds are progged Saturday night. For moisture, it is progged to be pretty deep over the mountains Friday into Saturday morning. There will be some upper level cloudiness for the plains Friday, then moisture deepens early Friday evening. Moisture is pretty deep over the plains into late Saturday morning. After 18Z Saturday, moisture decreases significantly for all the CWA. Saturday night looks pretty clear, but there is some upper level moisture to move in after 06Z. It will affect the temperatures for sure. The QPF fields show measurable snowfall in the high county all day Friday into Saturday morning. There is limited measurable snow over the plains Friday night through Saturday morning. Will go with or keep pops high with the winter storm in the mountains Friday into Saturday morning and over the plains Friday night and Saturday morning. Pops should be done in all areas during the afternoon Saturday. The SOO Orographic snow model points to some decent snowfall totals, especially in zone 31. I will leave the watch highlights going for now in the high mountains in correlation with the short term forecaster. For temperatures, Friday's highs will similar to this afternoon's. The far northeast corner may be colder. Saturday's highs are 13 to 26 C colder than Friday's. Some records temperatures are possible Saturday and Saturday night. For the later days, Sunday through Wednesday, models show zonal flow on Sunday into Monday. There is a weak upper trough to move across the CWA Monday. It is back to zonal flow Monday night into Tuesday evening. There is a better looking upper trough for Wednesday, but the GFS and ECMWF are not in sync with this. Temperatures will moderate somewhat Sunday into next week. && .AVIATION...(For the 12Z TAFS through 12Z Friday morning) Issued at 443 AM MST Thu Dec 15 2016 VFR through tonight. Some uncertainty on wind direction but a southerly component expected at KDEN/KAPA, with a likely shift to southwest winds at 10-15 knots in the late afternoon or evening. KBJC could see occasional gusty west winds as high as 30 knots tonight and possible LLWS. && .BOU WATCHES/WARNINGS/ADVISORIES... Winter Storm Watch from this evening through late Friday night for COZ031-033-034. && SHORT TERM...Gimmestad LONG TERM...RJK AVIATION...Gimmestad
Hazardous weather outlook, Dec 15, 5:51 AM MST, 4 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER/BOULDER CO 551 AM MST THU DEC 15 2016 COZ030>051-161300- JACKSON COUNTY BELOW 9000 FEET- WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- CENTRAL AND SOUTHEAST PARK COUNTY- LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 551 AM MST THU DEC 15 2016 ...HEAVY SNOW LIKELY FOR THE HIGHER MOUNTAINS FRIDAY INTO EARLY SATURDAY... ...BITTER COLD THIS WEEKEND WITH LIGHT SNOW LIKELY ON THE PLAINS FRIDAY NIGHT... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT STRONG WINDS WILL CONTINUE OVER THE MOUNTAINS TODAY. SPEEDS OF 20 TO 40 MPH WILL BE COMMON...WITH GUSTS TO 60 MPH ABOVE TIMBERLINE. THIS WILL CONTINUE TO CAUSE TRAVEL DIFFICULTIES OVER THE HIGHER PASSES. THERE WILL BE LITTLE ACTUAL SNOWFALL DURING THE DAY...BUT SNOW WILL SPREAD BACK INTO THE MOUNTAINS TONIGHT...WITH 1 TO 4 INCHES BY MORNING. OVER NORTHEAST COLORADO THERE WILL BE A WIDE SPREAD OF TEMPERATURES. AREAS ALONG AND SOUTH OF INTERSTATE 70 WILL HAVE WARMER AIR MOVE IN WITH TEMPERATURES REACHING NEAR 60 THIS AFTERNOON. IN THE SOUTH PLATTE VALLEY ACROSS NORTHEASTERN COLORADO TEMPERATURES WILL LIKELY ONLY REACH THE 30S. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY WIDESPREAD SNOW IS EXPECTED IN THE MOUNTAINS FRIDAY INTO EARLY SATURDAY MORNING AS THE NEXT WINTER STORM PUSHES ACROSS THE FORECAST AREA. ON THE PLAINS SNOW WILL BE LIKELY FRIDAY NIGHT INTO SATURDAY MORNING BEHIND AN ARCTIC COLD FRONT. SNOWFALL ACCUMULATIONS COULD BE SUBSTANTIAL IN THE MOST FAVORED ALPINE AREAS OVER THE TWO DAY PERIOD ENDING SATURDAY AFTERNOON. SNOWFALL AMOUNTS OVER THE FRONT RANGE AND EASTERN PLAINS ARE EXPECTED TO BE ON THE LIGHT SIDE. SNOW WILL ACCUMULATE ON ROADS MAKING TRAVEL QUITE HAZARDOUS. DRY WEATHER IS EXPECTED FOR ALL AREAS FROM SATURDAY NIGHT INTO THE MIDDLE OF NEXT WEEK. THE STORM WILL BRING A SIGNIFICANTLY COLDER AIRMASS TO THE FORECAST BY LATE FRIDAY. IN FACT...SATURDAY'S HIGH TEMPERATURES OVER THE PLAINS COULD BE 30 TO 40 DEGREES BELOW SEASONAL NORMALS AND PERHAPS NEW RECORD LOWS COULD BE ESTABLISHED FOR THE 17TH. THE AIRMASS WILL MODERATE SLOWLY INTO EARLY NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.
In the hours before
Local storm report, Dec 15, 8:57 AM MST, 1 hour 24 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
857 AM MST THU DEC 15 2016
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0700 AM SNOW GRANT 39.45N 105.67W
12/15/2016 M1.5 INCH PARK CO CO-OP OBSERVER
48 HOUR TOTAL
0700 AM HEAVY SNOW 1 E DILLON 39.62N 106.02W
12/15/2016 M6.5 INCH SUMMIT CO CO-OP OBSERVER
48 HOUR TOTAL
0700 AM HEAVY SNOW EMPIRE 39.76N 105.68W
12/15/2016 M9.0 INCH CLEAR CREEK CO COCORAHS
48 HOUR TOTAL
0700 AM SNOW 1 ESE NEDERLAND 39.96N 105.49W
12/15/2016 M5.0 INCH BOULDER CO COCORAHS
48 HOUR TOTAL
0700 AM SNOW FRISCO 39.58N 106.10W
12/15/2016 M4.5 INCH SUMMIT CO COCORAHS
48 HOUR TOTAL
0700 AM SNOW 6 NNE GRANBY 40.17N 105.89W
12/15/2016 M4.1 INCH GRAND CO COCORAHS
48 HOUR TOTAL
0700 AM SNOW 3 SSE SILVER PLUME 39.66N 105.71W
12/15/2016 M4.0 INCH CLEAR CREEK CO CO-OP OBSERVER
48 HOUR TOTAL
0700 AM SNOW 6 WSW GRAND LAKE 40.22N 105.93W
12/15/2016 M4.0 INCH GRAND CO COCORAHS
0700 AM HEAVY SNOW GEORGETOWN 39.72N 105.70W
12/15/2016 M8.4 INCH CLEAR CREEK CO CO-OP OBSERVER
48 HOUR TOTAL
0700 AM SNOW 2 SSW ELKDALE 40.01N 105.89W
12/15/2016 M2.5 INCH GRAND CO COCORAHS
0700 AM SNOW CROOK 40.86N 102.80W
12/15/2016 M1.0 INCH LOGAN CO CO-OP OBSERVER
0700 AM SNOW 1 S CROOK 40.85N 102.80W
12/15/2016 M1.0 INCH LOGAN CO COCORAHS
0700 AM SNOW 1 SSE ESTES PARK 40.36N 105.51W
12/15/2016 M0.7 INCH LARIMER CO CO-OP OBSERVER
0700 AM SNOW 3 W BUCKHORN MOUNTAIN 40.61N 105.38W
12/15/2016 M0.6 INCH LARIMER CO CO-OP OBSERVER
0625 AM SNOW ROLLINSVILLE 39.92N 105.50W
12/15/2016 M2.6 INCH GILPIN CO COCORAHS
48 HOUR TOTAL
0900 PM SNOW 1 SSE BRECKENRIDGE 39.49N 106.04W
12/14/2016 M5.9 INCH SUMMIT CO TRAINED SPOTTER
NEW SNOW SINCE 9 AM TODAY 2.7 INCHES.
&&
KFNearby
Winter Storm Warnings in Colorado, 2016Every winter storm warning in 2016
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.