Alert archive / Colorado / Winter Storm Warnings in 2015
Winter Storm Warning 18, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at Dec 21, 2015, 5:00 AM MST for 9 counties in Colorado. It took effect at Dec 21, 2015, 9:00 PM MST. It was in force for 48 hr. 35 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 21, 2015, 5:00 AM MST (12:00 UTC)
- In effect from
- Dec 21, 2015, 9:00 PM MST
- Expired
- Dec 23, 2015, 9:00 PM MST
- In force
- 48 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Boulder County, CO, Clear Creek County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO, Summit County, CO
The radar
The Denver radar (KFTG), 102 km from the middle of the area, began a volume at 12:00 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 23, 5:41 AM MST | SNOW 1.5 | 1 Ne Echo Lake, CO | ECHO LAKE SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | SNOW 1.5 | 9 Se Weston Pass, CO | ROUGH AND TUMBLE SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | SNOW 3 | 7 Nw Red Feather Lakes, CO | BLACK MOUNTAIN SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | SNOW 4.5 | 10 Nne Silverthorne, CO | MIDDLE FORK CAMP SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | SNOW 4.5 | 1 Sw Eldora, CO | LAKE ELDORA SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | SNOW 4.5 | 3 Wnw Pingree Park, CO | HOURGLASS LAKE SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 6 | 1 W Copper Mountain, CO | COPPER MOUNTAIN SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 6 | 3 Sw Meeker Park, CO | COPELAND LAKE SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 6 | 3 Wnw Alma, CO | BUCKSKIN JOE SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 6 | 5 Ssw Blue River, CO | HOOSIER PASS SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 6 | 5 Wsw Winter Park, CO | FOOL CREEK SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 6 | 6 W Arapahoe Peak, CO | HIGH LONESOME SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 6 | 7 E Blue River, CO | MICHIGAN CREEK SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 7.5 | 1 Nw Climax, CO | FREMONT PASS SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 9 | 11 S Rabbit Ears Pass, CO | BUFFALO PARK SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 9 | 6 E Cameron Pass, CO | LONG DRAW RESERVOIR SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 9 | 8 Nw Glendevey, CO | ROACH SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 9 | 8 Sse Cameron Pass, CO | PHANTOM VALLEY SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 10.5 | 1 Wnw Loveland Pass, CO | LOVELAND BASIN SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 10.5 | 3 S Brainard Lake, CO | UNIVERSITY CAMP SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 10.5 | 5 Ssw Glendevey, CO | RAWAH SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 10.5 | 5 W Green Mountain Rese, CO | ELLIOT RIDGE SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 10.5 | 9 E Glendevey, CO | DEADMAN HILL SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 10.5 | 9 Se Cameron Pass, CO | WILLOW PARK SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 12 | 7 Sse Cameron Pass, CO | LAKE IRENE SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 13.5 | 1 Nnw Cameron Pass, CO | JOE WRIGHT SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 13.5 | 1 Sse Loveland Pass, CO | GRIZZLY PEAK SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 13.5 | 3 Nne Mount Audubon, CO | SAWTOOTH SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 13.5 | 4 S Longs Peak, CO | WILD BASIN SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 13.5 | 8 Sse Rand, CO | WILLOW CREEK PASS SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 15 | 4 Nnw Longs Peak, CO | BEAR LAKE SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 16.5 | 1 Nne Rabbit Ears Pass, CO | COLUMBINE SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 18 | 9 Sse Spicer, CO | ARAPAHO RIDGE SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 21 | 4 Se Mount Zirkel, CO | ZIRKEL SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
| Dec 23, 5:41 AM MST | HEAVY SNOW 31.5 | 9 Ene Steamboat Springs, CO | TOWER SNOTEL SNOWFALL BETWEEN 10 PM 12/21/2015 AND 5 AM 12/23/2015 ESTIMATED USING A 15.0 TO 1 SNOW-TO-LIQUID RATIO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 0.0 hours before the alert went out and 213 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2287 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
304 WWUS45 KBOU 211200 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 500 AM MST MON DEC 21 2015 ...AN EXTENDED PERIOD OF SNOW AND WIND FOR THE MOUNTAINS THIS WEEK... .MOISTURE AND A FEW DISTURBANCES IN QUICK FLOW ALOFT WILL BRING PERIODS OF MODERATE TO HEAVY SNOWFALL ACROSS THE MOUNTAINS OF COLORADO. STRONG WINDS WILL CREATE AREAS OF BLOWING SNOW AS WELL. COZ031-212200- /O.NEW.KBOU.WS.W.0018.151222T0400Z-151223T0700Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 500 AM MST MON DEC 21 2015 ...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO MIDNIGHT MST TUESDAY NIGHT... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO MIDNIGHT MST TUESDAY NIGHT. * TIMING...LIGHT SNOW THIS AFTERNOON WILL INCREASE SIGNIFICANTLY LATE THIS EVENING AND INTO TUESDAY MORNING...WITH SNOWFALL RATES OF 1 TO 1.5 INCHES PER HOUR AT TIMES. SNOW WILL DECREASE AFTER MIDNIGHT ON TUESDAY NIGHT...THOUGH WILL STILL CONTINUE THROUGH MID WEEK AT LIGHTER RATES. * SNOW ACCUMULATIONS...10 TO 18 INCHES. HEAVIEST SNOWFALL RATES ARE EXPECTED LATE TONIGHT THROUGH LATE TUESDAY MORNING. * WIND/VISIBILITY...WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH. VISIBILITY REDUCED TO 1/2 MILE OR LESS AT TIMES IN BLOWING SNOW. * IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO SNOW...REDUCED VISIBILITY IN BLOWING SNOW AND ICY OR SNOW COVERED ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ033-034-212200- /O.NEW.KBOU.WW.Y.0031.151222T1300Z-151223T0700Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 500 AM MST MON DEC 21 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TUESDAY TO MIDNIGHT MST TUESDAY NIGHT... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 AM TUESDAY TO MIDNIGHT MST TUESDAY NIGHT. * TIMING...LIGHT SNOW TONIGHT WILL INCREASE SIGNIFICANTLY LATE EARLY TUESDAY MORNING. SNOW WILL DECREASE AFTER MIDNIGHT ON TUESDAY NIGHT...THOUGH WILL STILL CONTINUE THROUGH MID WEEK AT LIGHTER RATES. * SNOW ACCUMULATIONS...5 TO 10 INCHES...WITH THE HEAVIEST AMOUNTS ALONG THE INDIAN PEAKS AS WELL AS OVER THE SOUTHERN GORE RANGE . * WIND/VISIBILITY...WEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 55 MPH IN THE MORNING...DECREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH BY TUESDAY EVENING. VISIBILITY REDUCED TO 1/4 MILE AT TIMES IN BLOWING SNOW. * IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO SNOW...REDUCED VISIBILITY IN BLOWING SNOW AND ICY OR SNOW COVERED ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
9 follow-up statements
114 WWUS45 KBOU 212226 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 326 PM MST MON DEC 21 2015 ...AN EXTENDED PERIOD OF SNOW AND STRONG GUSTY WINDS FOR THE MOUNTAINS IN NORTH CENTRAL COLORADO... .A STRONG AND VERY MOIST WESTERLY FLOW WILL COMBINE WITH A COUPLE OF WEATHER DISTURBANCES WILL BRING PERIODS OF MODERATE TO HEAVY SNOWFALL AND STRONG WINDS TO THE MOUNTAINS OF NORTH CENTRAL COLORADO TONIGHT THROUGH TUESDAY NIGHT. THE STRONG WINDS WILL CREATE AREAS OF CONSIDERABLE BLOWING SNOW WHICH COULD HAVE A SERIOUS IMPACT ON HIGH COUNTRY TRAVEL. COZ033-034-220630- /O.UPG.KBOU.WW.Y.0031.151222T1300Z-151223T0700Z/ /O.EXB.KBOU.WS.W.0018.151222T0600Z-151223T1300Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 326 PM MST MON DEC 21 2015 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 6 AM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 6 AM MST WEDNESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...LIGHT SNOW THIS EVENING WILL INCREASE AFTER MIDNIGHT AND CONTINUE MODERATE TO HEAVY THROUGH TUESDAY EVENING. SNOWFALL WILL BE ACCOMPANIED BY STRONG AND GUSTY WEST WINDS WHICH WILL CREATE CONSIDERABLE BLOWING SNOW ESPECIALLY OVER THE HIGH MOUNTAIN PASSES LATE TONIGHT AND THROUGH TUESDAY AFTERNOON. * SNOW ACCUMULATIONS...TOTAL AMOUNTS BY LATE TUESDAY NIGHT 8 TO 16 INCHES...WITH THE GREATEST AMOUNTS ON WEST FACING SLOPES UP AROUND THE INDIAN PEAKS. * WIND/VISIBILITY...WEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH THIS EVENING...WILL INCREASE TO 30 TO 45 MPH WITH GUSTS AROUND 65 MPH LATE TONIGHT THROUGH TUESDAY AFTERNOON. FALLING AND BLOWING SNOW MAY REDUCE VISIBILITIES TO NEAR ZERO AT TIMES. * IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO FALLING SNOW...ICE AND SNOW COVERED ROADS...AND SIGNIFICANTLY REDUCED VISIBILITIES IN BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. ONLY TRAVEL IN AN EMERGENCY IN THESE HAZARDOUS CONDITIONS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ031-220630- /O.EXT.KBOU.WS.W.0018.151222T0400Z-151223T1300Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 326 PM MST MON DEC 21 2015 ...WINTER STORM WARNING NOW IN EFFECT FROM 9 PM THIS EVENING TO 6 AM MST WEDNESDAY... * TIMING...LIGHT SNOW THIS AFTERNOON WILL INCREASE SIGNIFICANTLY THIS EVENING AND CONTINUE MODERATE TO HEAVY THROUGH TUESDAY NIGHT. SNOWFALL RATES OF 1 TO 1.5 INCHES PER HOUR ARE LIKELY AT TIMES. STRONG WINDS WILL ALSO CAUSE CONSIDERABLE BLOWING SNOW ESPECIALLY ON THE PASSES. SNOWFALL IS EXPECTED TO DECREASE AFTER MIDNIGHT TUESDAY NIGHT. * SNOW ACCUMULATIONS...TOTAL AMOUNTS 10 TO 19 INCHES...WITH THE GREATEST TOTALS IN THE PARK RANGE NORTH OF RABBIT EARS PASS. HEAVIEST SNOWFALL RATES ARE EXPECTED LATE THIS EVENING THROUGH LATE TUESDAY MORNING. * WIND/VISIBILITY...WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WITH INCREASE TO 20 TO 35 MPH WITH GUSTS TO AROUND 50 MPH AFTER MIDNIGHT TONIGHT. VISIBILITIES MAY LOWER TO 1/4 MILE OR LESS AT TIMES IN BLOWING SNOW. * IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO MODERATE TO HEAVY SNOWFALL...AND REDUCED VISIBILITY IN BLOWING SNOW. ROADS WILL ALSO BECOME ICY AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY IN THESE HAZARDOUS CONDITIONS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ BAKER
882 WWUS45 KBOU 220439 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 939 PM MST MON DEC 21 2015 ...AN EXTENDED PERIOD OF SNOW AND STRONG GUSTY WINDS FOR THE MOUNTAINS IN NORTH CENTRAL COLORADO... .A STRONG AND VERY MOIST WESTERLY FLOW WILL BRING PERIODS OF MODERATE TO HEAVY SNOWFALL AND STRONG WINDS TO THE MOUNTAINS OF NORTH CENTRAL COLORADO THROUGH MID WEEK. THE STRONG WINDS WILL CREATE AREAS OF CONSIDERABLE BLOWING SNOW WHICH COULD HAVE A SERIOUS IMPACT ON HIGH COUNTRY TRAVEL. COZ031-221300- /O.CON.KBOU.WS.W.0018.000000T0000Z-151223T1300Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 939 PM MST MON DEC 21 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MST WEDNESDAY... * TIMING...SNOW WILL BECOME WIDESPREAD OVERNIGHT AND CONTINUE THROUGH TUESDAY NIGHT AND INTO WEDNESDAY. SNOWFALL RATES OF 1 TO 1.5 INCHES PER HOUR ARE LIKELY AT TIMES. STRONG WINDS WILL ALSO CAUSE CONSIDERABLE BLOWING SNOW ESPECIALLY ON THE PASSES. * SNOW ACCUMULATIONS...TOTAL AMOUNTS 10 TO 24 INCHES...WITH THE GREATEST TOTALS IN THE PARK RANGE NORTH OF RABBIT EARS PASS. * WIND/VISIBILITY...WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH. STRONGER WINDS WILL OCCUR ABOVE TIMBERLINE WITH WINDS OF 20 TO 35 MPH WITH GUSTS TO 50 MPH. VISIBILITIES MAY LOWER TO 1/4 MILE OR LESS AT TIMES IN BLOWING SNOW. * IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO MODERATE TO HEAVY SNOWFALL...AND REDUCED VISIBILITY IN BLOWING SNOW. ROADS WILL ALSO BECOME ICY AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY IN THESE HAZARDOUS CONDITIONS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ033-034-221300- /O.CON.KBOU.WS.W.0018.151222T0600Z-151223T1300Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 939 PM MST MON DEC 21 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MST WEDNESDAY... * TIMING...LIGHT SNOW THIS EVENING WILL INCREASE AFTER MIDNIGHT AND CONTINUE INTO WEDNESDAY. SNOWFALL WILL BE ACCOMPANIED BY STRONG AND GUSTY WEST WINDS WHICH WILL CREATE CONSIDERABLE BLOWING SNOW ESPECIALLY OVER THE HIGH MOUNTAIN PASSES LATE TONIGHT AND THROUGH TUESDAY AFTERNOON. * SNOW ACCUMULATIONS...TOTAL AMOUNTS BY LATE TUESDAY NIGHT 8 TO 16 INCHES...WITH THE GREATEST AMOUNTS ON WEST FACING SLOPES UP AROUND THE INDIAN PEAKS. * WIND/VISIBILITY...WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 40 MPH. STRONGER WINDS WILL OCCUR ABOVE TIMBERLINE WITH WINDS OF 20 TO 40 MPH WITH GUSTS TO 70 MPH. VISIBILITIES MAY LOWER TO 1/4 MILE OR LESS AT TIMES IN BLOWING SNOW. * IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO FALLING SNOW...ICE AND SNOW COVERED ROADS...AND SIGNIFICANTLY REDUCED VISIBILITIES IN BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. ONLY TRAVEL IN AN EMERGENCY IN THESE HAZARDOUS CONDITIONS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$
605 WWUS45 KBOU 221112 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 412 AM MST TUE DEC 22 2015 ...AN EXTENDED PERIOD OF SNOW AND STRONG GUSTY WINDS FOR THE COLORADO MOUNTAINS... .A STRONG AND VERY MOIST WESTERLY FLOW WILL BRING PERIODS OF MODERATE TO HEAVY SNOWFALL AND STRONG WINDS TO THE MOUNTAINS OF NORTH CENTRAL COLORADO THROUGH WEDNESDAY. THE STRONG WINDS WILL CREATE AREAS OF CONSIDERABLE BLOWING AND DRIFTING SNOW WHICH WILL IMPACT HIGH COUNTRY TRAVEL WITH SNOW COVERED ROADS AND POOR VISIBILITY. HAZARDOUS TRAVEL CONDITIONS AND TRAVEL DELAYS CAN BE EXPECTED. COZ031-221915- /O.EXT.KBOU.WS.W.0018.000000T0000Z-151224T0100Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 412 AM MST TUE DEC 22 2015 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 PM MST WEDNESDAY... * TIMING...SNOW WILL INCREASE IN INTENSITY ONCE AGAIN LATE THIS MORNING AND CONTINUE INTO THE AFTERNOON. ANOTHER PERIOD OF HEAVY SNOW WILL BE POSSIBLE THIS EVENING BEFORE DECREASING OVERNIGHT. THEN...YET ANOTHER DISTURBANCE WILL LIKELY BRING ANOTHER SHOT OF HEAVY SNOW BY LATE WEDNESDAY MORNING AND AFTERNOON. SNOWFALL RATES OF 1 TO 1.5 INCHES PER HOUR ARE LIKELY DURING THESE HEAVIER BOUTS OF SNOW. THIS STORM WILL FINALLY DECREASE WEDNESDAY NIGHT. * SNOW ACCUMULATIONS...TOTAL AMOUNTS 12 TO 24 INCHES...WITH THE GREATEST TOTALS IN THE PARK RANGE NORTH OF RABBIT EARS PASS. * WIND...WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH. STRONGER WINDS WILL OCCUR ABOVE TIMBERLINE WITH WINDS OF 20 TO 35 MPH WITH GUSTS TO 50 MPH. THOSE WINDS WILL DECREASE LATER TODAY ONLY TO INCREASE AGAIN BY WEDNESDAY AFTERNOON. * VISIBILITY...DOWN TO ONE QUARTER MILE OR LESS DURING PERIODS OF HEAVIER FALLING AND/OR BLOWING SNOW. * IMPACTS...HAZARDOUS AND SLOW TRAVEL CONDITIONS ARE EXPECTED DUE TO MODERATE TO HEAVY SNOWFALL...AND REDUCED VISIBILITY IN BLOWING SNOW. ROADS WILL ALSO BE ICY AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY IN THESE HAZARDOUS CONDITIONS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ033-034-221915- /O.EXT.KBOU.WS.W.0018.000000T0000Z-151224T0100Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 412 AM MST TUE DEC 22 2015 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 PM MST WEDNESDAY... * TIMING...SNOW WILL INCREASE IN INTENSITY LATE THIS MORNING AND CONTINUE INTO THE AFTERNOON. ANOTHER PERIOD OF HEAVY SNOW WILL BE POSSIBLE AGAIN THIS EVENING BEFORE DECREASING OVERNIGHT. THEN...YET ANOTHER DISTURBANCE WILL LIKELY BRING ANOTHER SHOT OF HEAVY SNOW BY MID DAY WEDNESDAY. SNOWFALL RATES UP TO 1 INCH PER HOUR ARE LIKELY DURING THESE HEAVIER BOUTS OF SNOW. THIS STORM WILL FINALLY DECREASE WEDNESDAY NIGHT. * SNOW ACCUMULATIONS...TOTAL ACCUMULATIONS 8 TO 18 INCHES...WITH THE HEAVIEST AMOUNTS EXPECTED IN THE MOUNTAINS NORTH OF I-70. * WIND...WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH. STRONGER WINDS WILL OCCUR ABOVE TIMBERLINE WITH WINDS OF 20 TO 35 MPH WITH GUSTS TO 50 MPH. THOSE WINDS WILL DECREASE LATER TODAY ONLY TO INCREASE AGAIN BY WEDNESDAY AFTERNOON. * VISIBILITY...DOWN TO ONE QUARTER MILE OR LESS DURING PERIODS OF HEAVIER FALLING AND/OR BLOWING SNOW. * IMPACTS...HAZARDOUS AND SLOW TRAVEL CONDITIONS ARE EXPECTED DUE TO MODERATE TO HEAVY SNOWFALL...AND REDUCED VISIBILITY IN BLOWING SNOW. ROADS WILL ALSO BE ICY AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. ONLY TRAVEL IN AN EMERGENCY IN THESE HAZARDOUS CONDITIONS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$
062 WWUS45 KBOU 221838 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1138 AM MST TUE DEC 22 2015 ...AN EXTENDED PERIOD OF SNOW AND STRONG GUSTY WINDS FOR THE COLORADO MOUNTAINS... .A STRONG AND VERY MOIST WESTERLY FLOW WILL BRING PERIODS OF MODERATE TO HEAVY SNOWFALL AND STRONG WINDS TO THE MOUNTAINS OF NORTH CENTRAL COLORADO THROUGH WEDNESDAY. THE STRONG WINDS WILL CREATE AREAS OF CONSIDERABLE BLOWING AND DRIFTING SNOW WHICH WILL IMPACT HIGH COUNTRY TRAVEL WITH SNOW COVERED ROADS AND POOR VISIBILITY. HAZARDOUS TRAVEL CONDITIONS AND TRAVEL DELAYS CAN BE EXPECTED. COZ031-230300- /O.CON.KBOU.WS.W.0018.000000T0000Z-151224T0100Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 1138 AM MST TUE DEC 22 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST WEDNESDAY... * TIMING...MODERATE TO HEAVY SNOW WILL CONTINUE INTO THE AFTERNOON. ANOTHER PERIOD OF HEAVY SNOW WILL BE POSSIBLE THIS EVENING BEFORE DECREASING OVERNIGHT. THEN...YET ANOTHER DISTURBANCE WILL LIKELY BRING ANOTHER SHOT OF HEAVY SNOW BY LATE WEDNESDAY MORNING AND AFTERNOON. SNOWFALL RATES OF 1 TO 1.5 INCHES PER HOUR ARE LIKELY DURING THESE HEAVIER BOUTS OF SNOW. THIS STORM WILL FINALLY DECREASE WEDNESDAY NIGHT. * SNOW ACCUMULATIONS...TOTAL AMOUNTS 12 TO 24 INCHES...WITH THE GREATEST TOTALS IN THE PARK RANGE NORTH OF RABBIT EARS PASS. * WIND...WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH. STRONGER WINDS WILL OCCUR ABOVE TIMBERLINE WITH WINDS OF 20 TO 35 MPH WITH GUSTS TO 50 MPH. THOSE WINDS WILL DECREASE LATER TODAY ONLY TO INCREASE AGAIN BY WEDNESDAY AFTERNOON. * VISIBILITY...DOWN TO ONE QUARTER MILE OR LESS DURING PERIODS OF HEAVIER FALLING AND/OR BLOWING SNOW. * IMPACTS...HAZARDOUS AND SLOW TRAVEL CONDITIONS ARE EXPECTED DUE TO MODERATE TO HEAVY SNOWFALL...AND REDUCED VISIBILITY IN BLOWING SNOW. ROADS WILL ALSO BE ICY AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY IN THESE HAZARDOUS CONDITIONS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ033-034-230300- /O.CON.KBOU.WS.W.0018.000000T0000Z-151224T0100Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 1138 AM MST TUE DEC 22 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST WEDNESDAY... * TIMING...MODERATE SNOW WILL CONTINUE INTO THE AFTERNOON. ANOTHER PERIOD OF HEAVY SNOW WILL BE POSSIBLE AGAIN THIS EVENING BEFORE DECREASING OVERNIGHT. THEN...YET ANOTHER DISTURBANCE WILL LIKELY BRING ANOTHER SHOT OF HEAVY SNOW BY MID DAY WEDNESDAY. SNOWFALL RATES UP TO 1 INCH PER HOUR ARE LIKELY DURING THESE HEAVIER BOUTS OF SNOW. THIS STORM WILL FINALLY DECREASE WEDNESDAY NIGHT. * SNOW ACCUMULATIONS...TOTAL ACCUMULATIONS 8 TO 18 INCHES...WITH THE HEAVIEST AMOUNTS EXPECTED IN THE MOUNTAINS NORTH OF I-70. * WIND...WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH. STRONGER WINDS WILL OCCUR ABOVE TIMBERLINE WITH WINDS OF 20 TO 35 MPH WITH GUSTS TO 50 MPH. THOSE WINDS WILL DECREASE LATER TODAY ONLY TO INCREASE AGAIN BY WEDNESDAY AFTERNOON. * VISIBILITY...DOWN TO ONE QUARTER MILE OR LESS DURING PERIODS OF HEAVIER FALLING AND/OR BLOWING SNOW. * IMPACTS...HAZARDOUS AND SLOW TRAVEL CONDITIONS ARE EXPECTED DUE TO MODERATE TO HEAVY SNOWFALL...AND REDUCED VISIBILITY IN BLOWING SNOW. ROADS WILL ALSO BE ICY AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. ONLY TRAVEL IN AN EMERGENCY IN THESE HAZARDOUS CONDITIONS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$
335 WWUS45 KBOU 230234 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 734 PM MST TUE DEC 22 2015 ...SNOW AND STRONG GUSTY WINDS TO CONTINUE FOR THE COLORADO MOUNTAINS THROUGH WEDNESDAY... .A STRONG AND VERY MOIST WESTERLY FLOW WILL BRING PERIODS OF MODERATE TO HEAVY SNOWFALL AND STRONG WINDS TO THE MOUNTAINS OF NORTH CENTRAL COLORADO THROUGH WEDNESDAY. THE STRONG WINDS WILL CREATE AREAS OF CONSIDERABLE BLOWING AND DRIFTING SNOW WHICH WILL IMPACT HIGH COUNTRY TRAVEL WITH SNOW COVERED ROADS AND POOR VISIBILITY. HAZARDOUS TRAVEL CONDITIONS AND TRAVEL DELAYS CAN BE EXPECTED. COZ031-231300- /O.CON.KBOU.WS.W.0018.000000T0000Z-151224T0100Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 734 PM MST TUE DEC 22 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST WEDNESDAY... * TIMING...PERIODS OF SNOW WILL CONTINUE TONIGHT AND INTO WEDNESDAY. ANOTHER PERIOD OF HEAVY SNOW IS EXPECTED WEDNESDAY AFTERNOON. SNOWFALL RATES OF 1 TO 1.5 INCHES PER HOUR WILL BE LIKELY UNDER THE HEAVIER SNOW. THIS STORM WILL FINALLY DECREASE WEDNESDAY NIGHT. * SNOW ACCUMULATIONS...TOTAL AMOUNTS 12 TO 24 INCHES...WITH THE GREATEST TOTALS IN THE PARK RANGE NORTH OF RABBIT EARS PASS. * WIND...WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH. STRONGER WINDS WILL OCCUR ABOVE TIMBERLINE WITH WINDS OF 20 TO 35 MPH WITH GUSTS TO 50 MPH. * VISIBILITY...DOWN TO ONE QUARTER MILE OR LESS DURING PERIODS OF HEAVIER FALLING AND/OR BLOWING SNOW. * IMPACTS...HAZARDOUS AND SLOW TRAVEL CONDITIONS ARE EXPECTED DUE TO MODERATE TO HEAVY SNOWFALL AND REDUCED VISIBILITY IN BLOWING SNOW. ROADS WILL ALSO BE ICY AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY IN THESE HAZARDOUS CONDITIONS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ033-034-231300- /O.CON.KBOU.WS.W.0018.000000T0000Z-151224T0100Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 734 PM MST TUE DEC 22 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST WEDNESDAY... * TIMING...PERIODS OF SNOW WILL CONTINUE TONIGHT AND INTO WEDNESDAY. ANOTHER PERIOD OF HEAVY SNOW IS EXPECTED WEDNESDAY AFTERNOON. SNOWFALL RATES OF 1 TO 1.5 INCHES PER HOUR WILL BE LIKELY UNDER THE HEAVIER SNOW. THIS STORM WILL FINALLY DECREASE WEDNESDAY NIGHT. * SNOW ACCUMULATIONS...TOTAL ACCUMULATIONS 8 TO 18 INCHES...WITH THE HEAVIEST AMOUNTS EXPECTED IN THE MOUNTAINS NORTH OF I-70. * WIND...WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH. STRONGER WINDS WILL OCCUR ABOVE TIMBERLINE WITH WINDS OF 20 TO 35 MPH WITH GUSTS TO 50 MPH. * VISIBILITY...DOWN TO ONE QUARTER MILE OR LESS DURING PERIODS OF HEAVIER FALLING AND/OR BLOWING SNOW. * IMPACTS...HAZARDOUS AND SLOW TRAVEL CONDITIONS ARE EXPECTED DUE TO MODERATE TO HEAVY SNOWFALL AND REDUCED VISIBILITY IN BLOWING SNOW. ROADS WILL ALSO BE ICY AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. ONLY TRAVEL IN AN EMERGENCY IN THESE HAZARDOUS CONDITIONS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$
459 WWUS45 KBOU 231105 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 405 AM MST WED DEC 23 2015 COZ031-231915- /O.CON.KBOU.WS.W.0018.000000T0000Z-151224T0100Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 405 AM MST WED DEC 23 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... * TIMING...SNOW WILL CONTINUE TODAY...THOUGH WITH LIGHTER SNOWFALL RATES THIS MORNING. ANOTHER PERIOD OF HEAVY SNOW IS EXPECTED THIS AFTERNOON. SNOWFALL RATES OF 1 TO 1.5 INCHES PER HOUR WILL BE LIKELY UNDER THE HEAVIER SNOW. SNOW WILL THEN DECREASE QUICKLY THIS EVENING. * SNOW ACCUMULATIONS...EXPECT ANOTHER 3 TO 6 INCHES TODAY...WITH STORM TOTAL AMOUNTS OF 12 TO 24 INCHES. GREATEST TOTALS ARE EXPECTED IN THE PARK RANGE NORTH OF RABBIT EARS PASS. * WIND...WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH. * VISIBILITY...DOWN TO ONE QUARTER MILE OR LESS DURING PERIODS OF HEAVIER FALLING AND/OR BLOWING SNOW. * IMPACTS...HAZARDOUS AND SLOW TRAVEL CONDITIONS ARE EXPECTED DUE TO MODERATE TO HEAVY SNOWFALL AND REDUCED VISIBILITY IN BLOWING SNOW. ROADS WILL ALSO BE ICY AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY IN THESE HAZARDOUS CONDITIONS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ033-034-231915- /O.CON.KBOU.WS.W.0018.000000T0000Z-151224T0100Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 405 AM MST WED DEC 23 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... * TIMING...SNOW WILL CONTINUE TODAY...THOUGH WITH LIGHTER SNOWFALL RATES THIS MORNING. ANOTHER PERIOD OF HEAVY SNOW IS EXPECTED THIS AFTERNOON. SNOWFALL RATES OF 1 TO 1.5 INCHES PER HOUR WILL BE LIKELY UNDER THE HEAVIER SNOW. SNOW WILL THEN DECREASE QUICKLY THIS EVENING. * SNOW ACCUMULATIONS...EXPECT ANOTHER 2 TO 5 INCHES TODAY...WITH STORM TOTAL ACCUMULATIONS OF 8 TO 18 INCHES. HEAVIEST AMOUNTS EXPECTED IN THE MOUNTAINS NORTH OF I-70. * WIND...WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH. * VISIBILITY...DOWN TO ONE QUARTER MILE OR LESS DURING PERIODS OF HEAVIER FALLING AND/OR BLOWING SNOW. * IMPACTS...HAZARDOUS AND SLOW TRAVEL CONDITIONS ARE EXPECTED DUE TO MODERATE TO HEAVY SNOWFALL AND REDUCED VISIBILITY IN BLOWING SNOW. ROADS WILL ALSO BE ICY AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. ONLY TRAVEL IN AN EMERGENCY IN THESE HAZARDOUS CONDITIONS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$
412 WWUS45 KBOU 232232 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 332 PM MST WED DEC 23 2015 ...WINTER STORM WARNING REMAINS IN EFFECT... .ANOTHER BAND OF MODERATE TO HEAVY SNOW IS SEEN ON RADAR MOVING ACROSS THE MOUNTAINS...MOST AREAS WILL SEE A 2 TO 4 HOUR WINDOW OF HEAVY SNOW...WITH SNOW BECOMING LIGHT THIS EVENING. AS THIS BAND OF SNOW MOVES ACROSS SNOWFALL RATES WILL BE OVER AN INCH AN HOUR. COZ031-240100- /O.CON.KBOU.WS.W.0018.000000T0000Z-151224T0100Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 332 PM MST WED DEC 23 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... * TIMING...MODERATE TO HEAVY SNOW WILL FALL THIS AFTERNOON....AND WILL LESSEN THIS EVENING TO LIGHT SNOW. * SNOW ACCUMULATIONS...EXPECT ANOTHER 2 TO 3 INCHES OF SNOW THIS AFTERNOON...WITH STORM TOTAL AMOUNTS OF 12 TO 24 INCHES. GREATEST TOTALS ARE EXPECTED IN THE PARK RANGE NORTH OF RABBIT EARS PASS. * WIND...WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH. * VISIBILITY...DOWN TO ONE QUARTER MILE OR LESS DURING PERIODS OF HEAVIER FALLING AND/OR BLOWING SNOW. * IMPACTS...HAZARDOUS AND SLOW TRAVEL CONDITIONS ARE EXPECTED DUE TO MODERATE TO HEAVY SNOWFALL AND REDUCED VISIBILITY IN BLOWING SNOW. ROADS MAY ALSO BE ICY AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY IN THESE HAZARDOUS CONDITIONS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ033-034-240100- /O.CON.KBOU.WS.W.0018.000000T0000Z-151224T0100Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 332 PM MST WED DEC 23 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... * TIMING...MODERATE TO HEAVY SNOW WILL FALL THIS AFTERNOON....AND WILL LESSEN THIS EVENING TO LIGHT SNOW. * SNOW ACCUMULATIONS...EXPECT ANOTHER 2 TO 3 INCHES OF SNOW THIS AFTERNOON...WITH STORM TOTAL AMOUNTS OF 12 TO 24 INCHES. GREATEST TOTALS ARE EXPECTED IN THE MOUNTAINS NORTH OF I-70. * WIND...WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH. * VISIBILITY...DOWN TO ONE QUARTER MILE OR LESS DURING PERIODS OF HEAVIER FALLING AND/OR BLOWING SNOW. * IMPACTS...HAZARDOUS AND SLOW TRAVEL CONDITIONS ARE EXPECTED DUE TO MODERATE TO HEAVY SNOWFALL AND REDUCED VISIBILITY IN BLOWING SNOW. ROADS MAY ALSO BE ICY AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. ONLY TRAVEL IN AN EMERGENCY IN THESE HAZARDOUS CONDITIONS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$
588 WWUS45 KBOU 240102 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 602 PM MST WED DEC 23 2015 ...WINTER STORM WARNING REMAINS IN EFFECT... .SNOW AND GUSTY WINDS ARE LIKELY TO CONTINUE IN THE NORTH CENTRAL MOUNTAINS OF COLORADO THROUGH MID-EVENING. THE HIGHER MOUNTAIN PASSES WILL LIKELY EXPERIENCE THE HEAVIER SNOWFALL AND STRONGEST WINDS WITH ANOTHER 2 TO 3 INCHES OF SNOW ACCUMULATION AND GUSTY WEST WINDS OF 30 TO 45 MPH PRODUCING BLOWING SNOW. THE FALLING AND BLOWING SNOW WILL CONTINUE TO PRODUCE POOR DRIVING CONDITIONS INCLUDING BRIEF WHITE OUT CONDITIONS. AS OF 530 PM MST... HAZARDOUS WINTER DRIVING CONDITIONS WERE INDICATED ATOP BERTHOUD... HOOSIER AND LOVELAND PASSES AND AROUND BOTH PORTALS OF THE EISENHOWER TUNNEL. SNOWFALL IS EXPECTED TO TAPER OFF LATE THIS EVENING AND OVERNIGHT AS DRIER AIR FILTER DOWN FROM THE NORTHWEST. ALTHOUGH GUSTY NORTHWEST WINDS MAY CONTINUE TO PRODUCE AREAS OF BLOWING SNOW MAINLY ON THE HIGH PASSES. COZ031-240400- /O.EXT.KBOU.WS.W.0018.000000T0000Z-151224T0400Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 602 PM MST WED DEC 23 2015 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 PM MST THIS EVENING... * TIMING...MODERATE SNOWFALL AND BLOWING SNOW WITH CONTINUE THROUGH MID-EVENING...THEN GRADUALLY TAPER OFF THERE AFTER. * SNOW ACCUMULATIONS...EXPECT ANOTHER 2 TO 3 INCHES OF SNOW BY MID-EVENING MAINLY ON THE PASSES AND HIGHER WEST-NORTHWEST FACING SLOPES ALONG THE CONTINENTAL DIVIDE...WITH A STORM TOTAL OF 12 TO 24 INCHES. * WIND...SUSTAINED WEST WINDS OF 15 TO 20 MPH WITH GUSTS TO 30 MPH...INCREASING TO 20 TO 30 MPH WITH GUSTS TO AROUND 45 MPH ON THE HIGHER PASSES. * VISIBILITY...DOWN TO ONE QUARTER MILE OR LESS DURING PERIODS OF HEAVIER FALLING AND/OR BLOWING SNOW...ESPECIALLY ON THE HIGHER PASSES AND UP AROUND THE EISENHOWER TUNNEL. * IMPACTS...HAZARDOUS WINTER DRIVING CONDITIONS INCLUDING POOR VISIBILITIES DUE TO FALLING AND BLOWING SNOW MAY SEVERE SLOW TRAFFIC AT TIMES THIS EVENING. HIGH COUNTRY MOTORISTS SHOULD CONTINUE TO ANTICIPATE ICY AND SNOW COVERED ROADS OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR MODERATE TO HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. ADDITIONAL SNOWFALL AND BLOWING SNOW WILL LIKELY MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL INTO THE HIGH COUNTRY... KEEP AN EXTRA FLASHLIGHT...ICE SCRAPER...FOOD...WATER AND EXTRA WARM CLOTHING IN YOUR VEHICLE IN CASE OF AN EMERGENCY. A GOOD SET OF SNOW TIRES WILL ALSO COME IN HANDY. && $$ COZ033-034-240400- /O.EXT.KBOU.WS.W.0018.000000T0000Z-151224T0400Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 602 PM MST WED DEC 23 2015 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 PM MST THIS EVENING... * TIMING...MODERATE SNOWFALL AND BLOWING SNOW WILL LESSEN LATER THIS EVENING. * SNOW ACCUMULATIONS...EXPECT ANOTHER 1 TO 3 INCHES OF SNOW BY MID-EVENING...WITH A STORM TOTAL OF 12 TO 24 INCHES. * WIND...WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH. * VISIBILITY...DOWN TO ONE QUARTER MILE OR LESS DURING PERIODS OF HEAVIER FALLING AND/OR BLOWING SNOW EARLY THIS EVENING. * IMPACTS...HAZARDOUS AND VERY SLOW TRAVEL CONDITIONS ARE EXPECTED DUE TO MODERATE SNOWFALL AND REDUCED VISIBILITY DUE TO FALLING AND BLOWING SNOW. ROADS WILL ALSO REMAIN ICY AND SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR MODERATE TO HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. IF YOU MUST TRAVEL INTO THE HIGH COUNTRY...KEEP AN EXTRA FLASHLIGHT...ICE SCRAPER...FOOD...WATER AND EXTRA WARM CLOTHING IN YOUR VEHICLE IN CASE OF AN EMERGENCY. A GOOD SET OF SNOW TIRES WILL ALSO COME IN HANDY. && $$ BAKER
304 WWUS45 KBOU 240404 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 904 PM MST WED DEC 23 2015 COZ033-034-241000- /O.EXP.KBOU.WS.W.0018.000000T0000Z-151224T0400Z/ /O.NEW.KBOU.WW.Y.0032.151224T0404Z-151224T1000Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 904 PM MST WED DEC 23 2015 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 AM MST THURSDAY... ...WINTER STORM WARNING WILL EXPIRE AT 9 PM MST THIS EVENING... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT UNTIL 3 AM MST THURSDAY. * TIMING...STRONG AND GUSTY NORTHWEST WINDS WILL PRODUCE CONSIDERABLE BLOWING SNOW MAINLY ON THE HIGH MOUNTAIN PASSES UNTIL ABOUT 3 AM THURSDAY. WINDS SHOULD DECREASE TOWARDS MORNING LOWERING THE RISK OF BLOWING SNOW. * SNOW ACCUMULATIONS...LITTLE TO NO ADDITIONAL SNOW ACCUMULATION IS EXPECTED OVERNIGHT. * WIND...SUSTAINED WEST TO NORTHWEST WINDS OF 15 TO 30 MPH WITH GUSTS TO AROUND 50 MPH ON THE HIGHER PASSES. * VISIBILITY...LESS THAN A FEW HUNDRED FEET AT TIMES MAINLY ON THE HIGH MOUNTAIN PASSES DUE TO BLOWING SNOW. * IMPACTS...HAZARDOUS ROADS CONDITIONS AND VERY LOW VISIBILITIES DUE TO BLOWING SNOW WILL CAUSE VERY SLOW TRAVEL OVER THE HIGHER MOUNTAIN PASSES. CONDITIONS SHOULD IMPROVE LATER TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT CONSIDERABLE BLOWING SNOW CAUSING POOR VISIBILITIES WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING IN THE HIGH COUNTRY TONIGHT. && $$ COZ031-241000- /O.EXP.KBOU.WS.W.0018.000000T0000Z-151224T0400Z/ /O.NEW.KBOU.WW.Y.0032.151224T0404Z-151224T1000Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 904 PM MST WED DEC 23 2015 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 AM MST THURSDAY... ...WINTER STORM WARNING WILL EXPIRE AT 9 PM MST THIS EVENING... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT UNTIL 3 AM MST THURSDAY. * TIMING...GUSTY NORTHWEST WINDS WILL PRODUCE BLOWING SNOW MAINLY ON THE HIGH MOUNTAIN PASSES UNTIL ABOUT 3 AM THURSDAY. WINDS SHOULD DECREASE TOWARDS MORNING REDUCING THE RISK OF BLOWING SNOW. * SNOW ACCUMULATIONS...LITTLE TO NO ADDITIONAL SNOW ACCUMULATION IS EXPECTED OVERNIGHT. * WIND...SUSTAINED NORTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO AROUND 40 MPH ON THE HIGHER PASSES. * VISIBILITY...LESS THAN A QUARTER MILE AT TIMES MAINLY ON THE MOUNTAIN PASSES DUE TO BLOWING SNOW. * IMPACTS...HAZARDOUS ROADS CONDITIONS AND VERY LOW VISIBILITIES DUE TO BLOWING SNOW WILL CAUSE VERY SLOW TRAVEL OVER THE HIGHER MOUNTAIN PASSES. CONDITIONS SHOULD IMPROVE LATER TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT CONSIDERABLE BLOWING SNOW CAUSING POOR VISIBILITIES WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING IN THE HIGH COUNTRY TONIGHT. && $$ 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 21, 3:47 AM MST, 1 hour 13 minutes earlier.
Area forecast discussion, Dec 21, 3:47 AM MST, 1 hour 13 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER/BOULDER CO 347 AM MST MON DEC 21 2015 .SHORT TERM...(TODAY AND TONIGHT) ISSUED AT 324 AM MST MON DEC 21 2015 A WEAK UPPER LEVEL DISTURBANCE WILL MOVE ACROSS COLORADO THIS MORNING UNDER A MODERATE WESTERLY FLOW ALOFT. THIS FEATURE WILL ENHANCE SNOWFALL THIS MORNING BEFORE DIMINISHING AGAIN BY AFTERNOON AS MOISTURE DEPTH BECOMES MORE SHALLOW AND MOUNTAIN TOP TEMPERATURES WARM. ADDITIONAL SNOWFALL IN THE MOUNTAINS TODAY WILL BE LIGHT WITH ACCUMULATION OF 1 TO 4 INCHES. ACROSS LOWER ELEVATIONS TODAY...MID-HIGH LEVEL DECK OF CLOUDS WILL BE MOVE EAST BY AFTERNOON AS SKIES BECOME PARTLY SUNNY. TEMPERATURES WILL GENERALLY BE IN THE 40S TODAY. SOME OBSERVATION SITES HAVE REPORTED FOG OVERNIGHT BUT HARD TO GATHER HOW EXTENSIVE GIVEN CLOUD COVER ABOVE. FOG APPEARS MAINLY ALONG THE SOUTH PLATTE RIVER VALLEY BUT HAS DISSIPATED SOME DURING THE PAST HOUR OR SO. MAIN CONCERN TONIGHT IS WITH HIGH WIND POTENTIAL IN THE MOUNTAINS AND FOOTHILLS AND INCREASING SNOWFALL IN THE FAR NORTHERN MOUNTAINS. AS FOR THE WINDS...CROSS SECTIONS SHOWING CROSS BARRIER FLOW INCREASING TO 50-60KT BY THIS EVENING AS MOUNTAIN TOP STABILITY INCREASES WITH WARMING TEMPERATURES ALOFT. HOWEVER THERE IS NOT A LOT OF STRONG SUBSIDENCE AND UPSTREAM MOISTURE MAY DAMPEN THE WAVE AMPLIFICATION. STILL APPEARS A HIGH ENOUGH THREAT TO GO WITH A WATCH TONIGHT. MOISTURE WILL BE INCREASING ACROSS THE NORTHERN MOUNTAINS OVERNIGHT UNDER AN INCREASING SOUTHWEST MOUNTAIN TOP FLOW. THIS WILL FAVOR ZONE 31 SO WILL START THE WINTER STORM WARNING BY LATER THIS EVENING AND CONTINUE THROUGH FOLLOWING PERIODS. .LONG TERM...(TUESDAY THROUGH SUNDAY) ISSUED AT 324 AM MST MON DEC 21 2015 WINDS WILL SUBSIDE SLIGHTLY OVER THE FRONT RANGE MOUNTAINS AND FOOTHILLS TUESDAY MORNING BUT WILL STILL REMAIN STRONG THROUGH TUESDAY AND WEDNESDAY. SNOW WILL CONTINUE TO SPREAD EAST INCREASING OVER THE FRONT RANGE MOUNTAINS INCLUDING SUMMIT COUNTY AS A SHORTWAVE PASSES ACROSS THE STATE TUESDAY. WILL BEGIN AN ADVISORY FOR THE FRONT RANGE MOUNTAINS TUESDAY MORNING THAT WILL RUN THROUGH MIDNIGHT FOR EXPECTED SNOWFALL AMOUNTS OF 8 TO 14 INCHES. THE GORE AND PARK RANGES UP NEAR RABBIT EARS PASS WILL CONTINUE TO SEE THE MOST SNOWFALL WITH AMOUNTS OF 10 TO 18 INCHES BY MIDNIGHT. THE WIND AND SNOW WILL COMBINE TO MAKE AREAS OF BLOWING SNOW TUESDAY AND WEDNESDAY. A WEAK COLD FRONT WILL PUSH SOUTH DURING THE DAY TUESDAY WHICH MAY SPARK A FEW SHOWERS ACROSS THE PLAINS BEFORE COLDER AIR PUSHES IN DURING THE EVENING FOR A COLDER NIGHT. MOISTURE WILL DECREASE SLIGHTLY PAST MIDNIGHT AND INTO EARLY WEDNESDAY. WINDS ALOFT WILL TURN MORE WESTERLY. THIS WILL ALLOW SNOW TO CONTINUE TO FALL OVER THE HIGH TERRAIN...JUST AT LIGHTER RATES. A PIECE OF ENERGY WILL PASS OVER THE STATE WITH MORE MOISTURE WEDNESDAY AFTERNOON AND EVENING TO INCREASE SNOW OVER THE MOUNTAINS AGAIN AND BRING A SLIGHT CHANCE OF SHOWERS OVER THE PLAINS. TEMPERATURES WILL BE ABOUT 10 DEGREES COOLER ON WEDNESDAY. ON THURSDAY...THE JET ROUNDING THE LONGWAVE TROUGH ALOFT OVER THE WESTERN AND CENTRAL STATES WILL DIG SOUTH ALONG THE WEST COAST TO PUT SOUTHWEST FLOW ALOFT OVER THE STATE. LOOK FOR SNOW TO CONTINUE OVER THE MOUNTAINS WITH A CHANCE OF SNOW OVER THE NORTHERN PLAINS IN THE EVENING. ON FRIDAY...AN UPPER LOW WILL DIG OVER AZ BEFORE DIGGING FURTHER SOUTHEAST INTO NORTHERN MEXICO ON SATURDAY. A COLD FRONT WILL PUSH INTO CO FRIDAY MORNING FOR A CHANCE OF SNOW BY THE AFTERNOON ACROSS THE FORECAST AREA THROUGH SATURDAY MORNING. LOOK FOR A WARMING AND DRYING TREND THEN THROUGH SUNDAY. && .AVIATION...(FOR THE 12Z TAFS THROUGH 12Z TUESDAY MORNING) ISSUED AT 324 AM MST MON DEC 21 2015 APPEARS THERE WAS A THREAT OF FOG AT DIA LAST FEW HOURS BUT WINDS CONTINUE BRISKLY FROM THE WEST AND NORTHWEST. THE FOG THAT WAS NORTH AT GXY AND FORT MORGAN HAS DISSIPATED. MAY STILL MENTION SOME VCFG BUT WILL LIKELY REMOVE THE TEMPO FOR FOG IN NEXT UPDATE. WILL CONTINUE WITH BKN-OVC MIDDLE AND HIGH CLOUDS BEFORE BREAK UP SOME BY LATER THIS MORNING. && .BOU WATCHES/WARNINGS/ADVISORIES... HIGH WIND WATCH FROM THIS EVENING THROUGH LATE TONIGHT FOR COZ033>036. WINTER WEATHER ADVISORY FROM 6 AM TUESDAY TO MIDNIGHT MST TUESDAY NIGHT FOR COZ033-034. WINTER STORM WARNING FROM 9 PM THIS EVENING TO MIDNIGHT MST TUESDAY NIGHT FOR COZ031. && SHORT TERM...ENTREKIN LONG TERM...KRIEDERMAN AVIATION...ENTREKIN
Hazardous weather outlook, Dec 20, 11:13 AM MST, 17 hours 47 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1113 AM MST SUN DEC 20 2015 COZ030>051-211815- 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- 1113 AM MST SUN DEC 20 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT SNOW SHOWERS WILL DEVELOP OVER THE MOUNTAINS BY THIS AFTERNOON AND CONTINUE TONIGHT. SNOW ACCUMULATIONS BY EARLY MONDAY MORNING WILL RANGE FROM 2 TO 5 INCHES...HIGHEST AMOUNTS NORTH OF THE INTERSTATE 70 CORRIDOR. GUSTY SOUTHWEST TO WEST WINDS WILL ALSO CONTINUE IN THE MOUNTAINS THROUGH TONIGHT WITH SPEEDS OF 15 TO 25 MPH AND GUSTS FROM 30 TO 50 MPH. ACROSS LOWER ELEVATIONS...A WEAK COLD FRONT WILL SAG SOUTHWARD BY EARLY AFTERNOON AS NORTH TO NORTHEAST WINDS DEVELOP BEHIND THE FRONT. THERE COULD BE A FEW RAIN AND SNOW SHOWERS OVER THE URBAN CORRIDOR AND PALMER DIVIDE BY LATER THIS AFTERNOON. TEMPERATURES WILL BE A BIT COOLER TODAY WITH READINGS MAINLY IN THE 40S. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY SNOW...MOSTLY LIGHT...IS EXPECTED OVER THE HIGH MOUNTAINS MONDAY THROUGH WEDNESDAY NIGHT. THERE MAY BE A PERIOD OF MORE SIGNIFICANT SNOWFALL ON TUESDAY AND TUESDAY EVENING. FAIRLY STRONG SOUTHWEST TO WESTERLY WINDS WILL ACCOMPANY THE SNOW AS WELL. LIGHT SNOW WILL RETURN THURSDAY EVENING INTO SATURDAY...THEN DECREASE AGAIN. THE SNOW AND WIND WILL COMBINE FOR HAZARDOUS DRIVING CONDITIONS. OVER THE PLAINS THERE WILL BE A SLIGHT CHANCE OF LIGHT SNOW TUESDAY NIGHT...THEN AGAIN FRIDAY AFTERNOON INTO SATURDAY. NOTHING SUBSTANTIAL AT THIS TIME. TEMPERATURES WILL BE A BIT BELOW SEASONAL NORMALS MUCH OF THE TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 21, 4:49 AM MST | High Wind Watch | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 10 hr |
| Dec 21, 5:00 AM MST | Winter Weather Advisory | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 10 hr |
| Dec 21, 2:49 PM MST | High Wind Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Jefferson, Larimer and 1 more | 12 hr |
Nearby
Winter Storm Warnings in Colorado, 2015Every winter storm warning in 2015
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.