Alert archive / Colorado / Winter Storm Warnings in 2015
Winter Storm Warning 8, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at Apr 15, 2015, 1:40 PM MDT for 10 counties in Colorado. It took effect at Apr 16, 2015, 8:00 AM MDT. It was in force for 37 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
- Apr 15, 2015, 1:40 PM MDT (19:40 UTC)
- In effect from
- Apr 16, 2015, 8:00 AM MDT
- Expired
- Apr 17, 2015, 9:25 PM MDT
- In force
- 37 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Boulder County, CO, Clear Creek County, CO, Douglas 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), 94 km from the middle of the area, began a volume at 19:43 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 |
|---|---|---|---|
| Apr 16, 8:00 AM MDT | SNOW 4 | Bailey, CO | |
| Apr 16, 8:20 AM MDT | SNOW 0.6 | 2 Ssw Boulder, CO | DAVID SKAGGS RESEARCH CENTER NOAA |
| Apr 16, 8:30 AM MDT | SNOW 1.7 | 3 N Black Hawk, CO | |
| Apr 16, 8:44 AM MDT | SNOW 1 | 4 W Bakerville, CO | EISENHOWER TUNNEL |
| Apr 16, 8:44 AM MDT | SNOW 1.9 | Parker, CO | |
| Apr 16, 8:53 AM MDT | SNOW 2.4 | Genesee, CO | |
| Apr 16, 9:08 AM MDT | SNOW 1.7 | 1 Sw Westminster, CO | |
| Apr 16, 9:16 AM MDT | SNOW 2 | 5 E Boulder, CO | |
| Apr 16, 9:24 AM MDT | SNOW 4 | 3 S Evergreen, CO | |
| Apr 16, 9:26 AM MDT | SNOW 1 | 2 Ne Estes Park, CO | |
| Apr 16, 9:26 AM MDT | SNOW 1.9 | 2 Ssw Boulder, CO | DAVID SKAGGS RESEARCH CENTER NOAA |
| Apr 16, 9:26 AM MDT | SNOW 4 | 4 Ene Conifer, CO | |
| Apr 16, 9:56 AM MDT | HEAVY SNOW 6 | St Marys Glacier, CO | |
| Apr 16, 10:00 AM MDT | SNOW 0.8 | 2 N Longmont, CO | |
| Apr 16, 10:00 AM MDT | SNOW 4 | 3 Wsw Conifer, CO | |
| Apr 16, 10:22 AM MDT | SNOW 2.5 | Arvada, CO | |
| Apr 16, 10:40 AM MDT | HEAVY SNOW 7 | 8 Ne Four Corners, CO | SAND CREEK PARK |
| Apr 16, 10:43 AM MDT | SNOW 4.7 | Genesee, CO | |
| Apr 16, 10:53 AM MDT | SNOW 2.8 | 2 Ssw Boulder, CO | DAVID SKAGGS RESEARCH CENTER NOAA |
| Apr 16, 11:20 AM MDT | SNOW 2 | 3 Ne Castle Rock, CO | |
| Apr 16, 11:26 AM MDT | SNOW 3.7 | Wheat Ridge, CO | |
| Apr 16, 11:30 AM MDT | SNOW 4.4 | 1 Nw Superior, CO | |
| Apr 16, 11:30 AM MDT | SNOW 5 | 4 Ene Nederland, CO | |
| Apr 16, 12:00 PM MDT | SNOW 5.7 | 5 Ne Ward, CO | |
| Apr 16, 1:03 PM MDT | SNOW 1.5 | 2 N Longmont, CO | |
| Apr 16, 1:44 PM MDT | HEAVY SNOW 7 | 2 E Allenspark, CO | |
| Apr 16, 2:50 PM MDT | SNOW 6 | Central City, CO | |
| Apr 16, 4:35 PM MDT | SNOW 5.8 | 3 Nw Idledale, CO | |
| Apr 16, 5:50 PM MDT | SNOW 7 | 4 Ene Nederland, CO | |
| Apr 16, 6:40 PM MDT | SNOW 6.8 | 3 Nw Idledale, CO | |
| Apr 16, 7:30 PM MDT | SNOW 5 | 1 S Evergreen, CO | |
| Apr 16, 7:30 PM MDT | SNOW 7.9 | 3 Nw Idledale, CO | |
| Apr 16, 7:30 PM MDT | SNOW 8.3 | 3 N Black Hawk, CO | |
| Apr 16, 8:13 PM MDT | SNOW 7 | 3 W Conifer, CO | |
| Apr 16, 8:13 PM MDT | SNOW 8 | 3 S Evergreen, CO | |
| Apr 16, 8:26 PM MDT | SNOW 10 | 2 Ese Allenspark, CO | |
| Apr 16, 8:29 PM MDT | SNOW 3.6 | 4 E Boulder, CO | |
| Apr 16, 8:30 PM MDT | SNOW 6.8 | 3 N Conifer, CO | |
| Apr 16, 8:30 PM MDT | SNOW 8 | 4 Sse Brookvale, CO | |
| Apr 16, 8:38 PM MDT | SNOW 1 | 1 Nw Wellington, CO | |
| Apr 16, 8:38 PM MDT | SNOW 2 | 2 Nw Fort Collins, CO | |
| Apr 16, 8:38 PM MDT | SNOW 9.6 | 3 Nw Idledale, CO | |
| Apr 16, 9:30 PM MDT | SNOW 2.7 | Se Breckenridge, CO | |
| Apr 16, 9:30 PM MDT | SNOW 7 | 1 Sse Bergen Park, CO | |
| Apr 16, 9:40 PM MDT | SNOW 10.3 | 3 Nw Idledale, CO | |
| Apr 16, 10:00 PM MDT | HEAVY SNOW 10.5 | Nnw Aspen Springs, CO | 2.2 INCHES LAST 2.5 HOURS |
| Apr 16, 10:00 PM MDT | HEAVY SNOW 11.5 | 4 Ene Nederland, CO | 4.5 INCHES SINCE 6 PM. |
| Apr 16, 10:42 PM MDT | HEAVY SNOW 14 | 4 Sse Pinecliffe, CO | CLEAR CREEK CANYON |
| Apr 16, 11:00 PM MDT | SNOW 3.7 | 3 Ssw Boulder, CO | NWS OFFICE |
| Apr 16, 11:35 PM MDT | HEAVY SNOW 7 | 2 S Parker, CO | |
| Apr 16, 11:59 PM MDT | SNOW 1.8 | 1 Ssw Lafayette, CO | |
| Apr 16, 11:59 PM MDT | SNOW 1.9 | 3 Ene Fort Collins, CO | |
| Apr 17, 12:18 AM MDT | HEAVY SNOW 6.2 | 3 Nne Eldorado Springs, CO | |
| Apr 17, 12:30 AM MDT | SNOW 3 | Louisville, CO | |
| Apr 17, 1:00 AM MDT | HEAVY SNOW 16.2 | 3 W Jamestown, CO | |
| Apr 17, 2:37 AM MDT | HEAVY SNOW 5 | 2 Sse Tabernash, CO | |
| Apr 17, 2:44 AM MDT | HEAVY SNOW 19 | 2 Ese Allenspark, CO | 7 INCHES PAST 4 HOURS |
| Apr 17, 5:19 AM MDT | HEAVY SNOW 11.2 | 3 N Bailey, CO | |
| Apr 17, 7:00 AM MDT | SNOW 2.5 | 1 E Dillon, CO | |
| Apr 17, 7:00 AM MDT | SNOW 3 | 8 Sw Lake George, 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, 7.7 hours before the alert went out and 206 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
- 2567 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- -8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
307 WWUS45 KBOU 151940 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 140 PM MDT WED APR 15 2015 ...SPRING STORM TO AFFECT NORTHERN COLORADO THURSDAY THROUGH FRIDAY NIGHT... .A STORM SYSTEM WILL BE NEAR THE FOUR CORNERS AREA EARLY ON THURSDAY AND SLOWLY SHIFT EAST THURSDAY NIGHT BEFORE MOVING INTO COLORADO FRIDAY. MEANWHILE MOIST UPSLOPE FLOW WILL INCREASE ACROSS NORTHERN COLORADO THURSDAY INTO FRIDAY. WET HEAVY SNOW IS EXPECTED TO DEVELOP THURSDAY EVENING IN THE MOUNTAINS AND FOOTHILLS AND CONTINUE THROUGH FRIDAY AFTERNOON. DEPENDING ON THE EXACT TRACK AND SPEED OF THE STORM SYSTEM HEAVY SNOW COULD LINGER INTO FRIDAY NIGHT AS WELL. ACCUMULATIONS OF 12 TO 24 INCHES IS EXPECTED WITH UP TO 36 INCHES POSSIBLE IN A FEW LOCATIONS. ALONG THE FRONT RANGE URBAN CORRIDOR THERE WILL BE A MIX OF RAIN AND SNOW WITH MOSTLY RAIN ACROSS THE PLAINS. SOME AREAS ALONG THE FRONT RANGE URBAN CORRIDOR MAY SEE FROM 2 TO 4 INCHES OF WET SNOW WITH HIGHER AMOUNTS POSSIBLE NEAR THE FOOTHILLS AND OVER THE PALMER DIVIDE. IF TEMPERATURES END UP BEING A FEW DEGREES COLDER THAN CURRENTLY FORECAST THEN THE POTENTIAL FOR HEAVY SNOW WOULD INCREASE ALONG THE FRONT RANGE URBAN CORRIDOR. COZ033>036-160345- /O.UPG.KBOU.WS.A.0005.150417T0000Z-150418T1200Z/ /O.NEW.KBOU.WS.W.0008.150416T1800Z-150418T1200Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK...ESTES PARK...GLENDEVEY... NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY... EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 140 PM MDT WED APR 15 2015 ...WINTER STORM WARNING IN EFFECT FROM NOON THURSDAY TO 6 AM MDT SATURDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM NOON THURSDAY TO 6 AM MDT SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL GRADUALLY INCREASE THURSDAY AND IS EXPECTED TO BECOME HEAVY AT TIMES THURSDAY NIGHT THROUGH FRIDAY EVENING. THE SNOW WILL BEGIN TO DIMINISH LATE FRIDAY NIGHT. * SNOW ACCUMULATIONS...1 TO 2 FEET WITH LOCALLY UP TO 3 FEET. * WIND/VISIBILITY...EAST TO NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. VISIBILITIES WILL DROP BELOW ONE QUARTER MILE AT TIMES DUE TO HEAVY SNOW AND BLOWING SNOW. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED THURSDAY NIGHT WITH HAZARDOUS TRAVEL CONDITIONS EXPECTED THROUGH FRIDAY NIGHT. VISIBILITIES WILL BE REDUCED AT TIMES DUE TO THE HEAVY SNOWFALL. HEAVY SNOWFALL ON POWER LINES MAY CAUSE POWER OUTAGES. 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. && $$
7 follow-up statements
151 WWUS45 KBOU 160330 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 930 PM MDT WED APR 15 2015 ...SPRING STORM TO AFFECT NORTHERN COLORADO THURSDAY THROUGH FRIDAY NIGHT... .A STORM SYSTEM WILL BE NEAR THE FOUR CORNERS AREA EARLY ON THURSDAY AND SLOWLY SHIFT EAST THURSDAY NIGHT BEFORE MOVING INTO COLORADO FRIDAY. MEANWHILE MOIST UPSLOPE FLOW WILL INCREASE ACROSS NORTHERN COLORADO THURSDAY INTO FRIDAY. WET HEAVY SNOW IS EXPECTED TO DEVELOP THURSDAY AFTERNOON IN THE MOUNTAINS AND FOOTHILLS AND CONTINUE THROUGH FRIDAY AFTERNOON. DEPENDING ON THE EXACT TRACK AND SPEED OF THE STORM SYSTEM HEAVY SNOW COULD LINGER INTO FRIDAY NIGHT AS WELL. ACCUMULATIONS OF 12 TO 24 INCHES IS EXPECTED WITH UP TO 36 INCHES POSSIBLE IN A FEW LOCATIONS. ALONG THE FRONT RANGE URBAN CORRIDOR THERE WILL BE A MIX OF RAIN AND SNOW WITH MOSTLY RAIN ACROSS THE PLAINS. SOME AREAS ALONG THE FRONT RANGE URBAN CORRIDOR MAY SEE FROM 2 TO 4 INCHES OF WET SNOW WITH HIGHER AMOUNTS POSSIBLE NEAR THE FOOTHILLS AND OVER THE PALMER DIVIDE. IF TEMPERATURES END UP BEING A FEW DEGREES COLDER THAN CURRENTLY FORECAST THEN THE POTENTIAL FOR HEAVY SNOW WOULD INCREASE ALONG THE FRONT RANGE URBAN CORRIDOR. COZ033>036-161200- /O.CON.KBOU.WS.W.0008.150416T1800Z-150418T1200Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK...ESTES PARK...GLENDEVEY... NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY... EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 930 PM MDT WED APR 15 2015 ...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON THURSDAY TO 6 AM MDT SATURDAY... * TIMING...SNOW WILL GRADUALLY INCREASE THURSDAY AND IS EXPECTED TO BECOME HEAVY AT TIMES THURSDAY EVENING THROUGH FRIDAY EVENING. THE SNOW WILL BEGIN TO DIMINISH LATE FRIDAY NIGHT. * SNOW ACCUMULATIONS...1 TO 2 FEET WITH LOCALLY UP TO 3 FEET. * WIND/VISIBILITY...EAST TO NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. VISIBILITIES WILL DROP BELOW ONE QUARTER MILE AT TIMES DUE TO HEAVY SNOW AND BLOWING SNOW. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED THURSDAY NIGHT WITH HAZARDOUS TRAVEL CONDITIONS EXPECTED THROUGH FRIDAY NIGHT. VISIBILITIES WILL BE REDUCED AT TIMES DUE TO THE HEAVY SNOWFALL. HEAVY SNOWFALL ON POWER LINES MAY CAUSE POWER OUTAGES. 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. && $$
694 WWUS45 KBOU 161117 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 517 AM MDT THU APR 16 2015 ...SPRING STORM TO AFFECT NORTHERN COLORADO THROUGH FRIDAY NIGHT... .A STORM SYSTEM WILL MOVE VERY SLOWLY FROM THE FOUR CORNERS AREA INTO EASTERN COLORADO FRIDAY. MEANWHILE VERY MOIST AIR WILL MOVE INTO EASTERN COLORADO AND BE LIFTED BY THE STORM AND BY UPSLOPE WINDS. HEAVY WET SNOW WILL BECOME WIDESPREAD IN THE MOUNTAINS AND FOOTHILLS THIS MORNING AND CONTINUE THROUGH FRIDAY AFTERNOON. DEPENDING ON THE EXACT TRACK AND SPEED OF THE STORM SYSTEM HEAVY SNOW COULD LINGER INTO FRIDAY NIGHT AS WELL. ACCUMULATIONS OF 12 TO 24 INCHES ARE EXPECTED WITH UP TO 36 INCHES IN SOME FAVORED EAST SLOPE LOCATIONS. ALONG THE FRONT RANGE URBAN CORRIDOR THERE WILL BE A MIX OF RAIN AND SNOW WITH MOSTLY RAIN ACROSS THE PLAINS. CURRENT EXPECTATIONS ARE THAT AREAS ALONG THE FRONT RANGE URBAN CORRIDOR WILL SEE FROM 2 TO 4 INCHES OF WET SNOW WITH LOTS OF MELTING ON ROADWAYS. UP TO 8 INCHES OF SNOW IS POSSIBLE NEAR THE FOOTHILLS...OVER THE PALMER DIVIDE...AND NEAR THE WYOMING BORDER ON INTERSTATE 25. IF TEMPERATURES END UP BEING A FEW DEGREES COLDER THAN CURRENTLY FORECAST THEN AREAS NEAR THE FOOTHILLS AND SOUTH OF DENVER COULD HAVE MUCH HEAVIER SNOW. THE GREATEST THREAT OF THAT WOULD BE OVERNIGHT TONIGHT. COZ033>036-162200- /O.EXT.KBOU.WS.W.0008.150416T1400Z-150418T1200Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK...ESTES PARK...GLENDEVEY... NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY... EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 517 AM MDT THU APR 16 2015 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 AM MDT SATURDAY... * TIMING...MODERATE TO HEAVY SNOW WILL BECOME WIDESPREAD THIS MORNING AND CONTINUE THROUGH FRIDAY EVENING. THE SNOW WILL DIMINISH FRIDAY NIGHT. * SNOW ACCUMULATIONS...1 TO 2 FEET WITH UP TO 3 FEET IN FAVORED AREAS ON THE EAST SLOPES OF THE FRONT RANGE. * WIND/VISIBILITY...EAST TO NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. VISIBILITIES WILL DROP BELOW ONE QUARTER MILE AT TIMES DUE TO HEAVY SNOW AND BLOWING SNOW. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED THURSDAY WITH HAZARDOUS TRAVEL CONDITIONS EXPECTED THROUGH FRIDAY NIGHT. VISIBILITIES WILL BE REDUCED AT TIMES DUE TO THE HEAVY SNOWFALL. HEAVY SNOWFALL ON POWER LINES MAY CAUSE POWER OUTAGES. 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. CONSIDER DELAYING UNNECESSARY TRAVEL. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ GIMMESTAD
569 WWUS45 KBOU 162100 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 300 PM MDT THU APR 16 2015 ...SPRING STORM TO CONTINUE TO IMPACT NORTHERN COLORADO THROUGH FRIDAY NIGHT... .A STORM SYSTEM WILL CONTINUE TO MOVE VERY SLOWLY FROM THE FOUR CORNERS AREA INTO EASTERN COLORADO FRIDAY. MEANWHILE VERY MOIST AIR WILL MOVE INTO EASTERN COLORADO AND BE LIFTED BY THE STORM AND BY UPSLOPE WINDS. HEAVY WET SNOW WILL BECOME WIDESPREAD IN THE MOUNTAINS AND FOOTHILLS AND CONTINUE THROUGH FRIDAY. DEPENDING ON THE EXACT TRACK AND SPEED OF THE STORM SYSTEM HEAVY SNOW COULD LINGER INTO FRIDAY NIGHT AS WELL. STORM TOTALS FROM 1 TO 3 FEET ARE EXPECTED IN THE FRONT RANGE MOUNTAINS AND FOOTHILLS. ALONG THE FRONT RANGE URBAN CORRIDOR THERE WILL BE A MIX OF RAIN AND SNOW WITH MOSTLY RAIN ACROSS THE PLAINS. CURRENT EXPECTATIONS ARE THAT AREAS ALONG THE FRONT RANGE URBAN CORRIDOR WILL SEE FROM 2 TO 4 INCHES OF WET SNOW WITH LOTS OF MELTING ON ROADWAYS...WITH LOCALLY HIGHER AMOUNTS NEAR THE FOOTHILLS. UP TO 8 INCHES OF SNOW IS POSSIBLE OVER THE PALMER DIVIDE AND IN SOUTH PARK. THE GREATEST THREAT OF THAT WOULD BE OVERNIGHT TONIGHT. COZ033>036-170500- /O.CON.KBOU.WS.W.0008.000000T0000Z-150418T1200Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK...ESTES PARK...GLENDEVEY... NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY... EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 300 PM MDT THU APR 16 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY... * TIMING...MODERATE TO HEAVY SNOW WILL BECOME HEAVY AGAIN TONIGHT AND CONTINUE THROUGH FRIDAY EVENING. THE SNOW WILL DIMINISH LATE FRIDAY NIGHT. * SNOW ACCUMULATIONS...1 TO 3 FEET. * WIND/VISIBILITY...EAST TO NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. VISIBILITIES WILL DROP BELOW ONE QUARTER MILE AT TIMES DUE TO HEAVY SNOW AND BLOWING SNOW. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED WITH HAZARDOUS TRAVEL CONDITIONS EXPECTED. VISIBILITIES WILL BE REDUCED AT TIMES DUE TO THE HEAVY SNOWFALL. HEAVY SNOWFALL ON POWER LINES MAY CAUSE POWER OUTAGES. 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. CONSIDER DELAYING UNNECESSARY TRAVEL. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ037-041-170500- /O.NEW.KBOU.WW.Y.0016.150417T0000Z-150418T0000Z/ CENTRAL AND SOUTHEAST PARK COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- INCLUDING THE CITIES OF...FAIRPLAY...HARTSEL...LAKE GEORGE... SOUTH PARK...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR 300 PM MDT THU APR 16 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT FRIDAY. * TIMING...THE SNOW WILL BECOME HEAVY AT TIMES TONIGHT AND CONTINUE THROUGH THE DAY ON FRIDAY. * SNOW ACCUMULATIONS...4 TO 8 INCHES...WITH LOCALLY HIGHER AMOUNTS. * WIND/VISIBILITY...NORTH TO NORTHEAST WINDS 10 TO 20 MPH. VISIBILITIES WILL DROP BELOW ONE HALF MILE AT TIMES DUE TO SNOW AND BLOWING SNOW. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED IN THE HEAVIER SNOW TONIGHT AND WILL CONTINUE THROUGH THE DAY FRIDAY...WITH HAZARDOUS TRAVEL CONDITIONS EXPECTED. VISIBILITIES WILL BE REDUCED AT TIMES DUE TO THE HEAVY SNOWFALL AND BLOWING SNOW. HEAVY SNOWFALL ON POWER LINES MAY CAUSE POWER OUTAGES. THE HEAVY WET SNOW WILL LIKELY SNAP TREE BRANCHES AS WELL. 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. && $$
127 WWUS45 KBOU 170409 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1009 PM MDT THU APR 16 2015 ...SPRING STORM TO CONTINUE TO IMPACT NORTHERN COLORADO THROUGH FRIDAY NIGHT... .A STORM SYSTEM WILL CONTINUE TO MOVE VERY SLOWLY FROM THE FOUR CORNERS AREA INTO EASTERN COLORADO FRIDAY. MEANWHILE VERY MOIST AIR WILL MOVE INTO EASTERN COLORADO AND BE LIFTED BY THE STORM AND BY UPSLOPE WINDS. HEAVY WET SNOW WILL BECOME WIDESPREAD IN THE MOUNTAINS AND FOOTHILLS AND CONTINUE THROUGH FRIDAY. DEPENDING ON THE EXACT TRACK AND SPEED OF THE STORM SYSTEM HEAVY SNOW COULD LINGER INTO FRIDAY NIGHT AS WELL. STORM TOTALS FROM 1 TO 3 FEET ARE EXPECTED IN THE FRONT RANGE MOUNTAINS AND FOOTHILLS. ALONG THE FRONT RANGE URBAN CORRIDOR THERE WILL BE A MIX OF RAIN AND SNOW WITH MOSTLY RAIN ACROSS THE PLAINS. CURRENT EXPECTATIONS ARE THAT AREAS ALONG THE FRONT RANGE URBAN CORRIDOR WILL SEE FROM 2 TO 4 INCHES OF WET SNOW WITH LOTS OF MELTING ON ROADWAYS...WITH LOCALLY HIGHER AMOUNTS NEAR THE FOOTHILLS. UP TO 8 INCHES OF SNOW IS POSSIBLE OVER THE PALMER DIVIDE AND IN SOUTH PARK. THE GREATEST THREAT OF THAT WOULD BE OVERNIGHT TONIGHT. COZ033>036-171200- /O.CON.KBOU.WS.W.0008.000000T0000Z-150418T1200Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK...ESTES PARK...GLENDEVEY... NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY... EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 1009 PM MDT THU APR 16 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY... * TIMING...MODERATE TO HEAVY SNOW WILL OCCUR TONIGHT AND CONTINUE THROUGH FRIDAY EVENING. THE SNOW WILL DIMINISH LATE FRIDAY NIGHT. * SNOW ACCUMULATIONS...1 TO 3 FEET. * WIND/VISIBILITY...EAST TO NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. VISIBILITIES WILL DROP BELOW ONE QUARTER MILE AT TIMES DUE TO HEAVY SNOW AND BLOWING SNOW. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED WITH HAZARDOUS TRAVEL CONDITIONS EXPECTED. VISIBILITIES WILL BE REDUCED AT TIMES DUE TO THE HEAVY SNOWFALL. HEAVY SNOWFALL ON POWER LINES MAY CAUSE POWER OUTAGES. 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. CONSIDER DELAYING UNNECESSARY TRAVEL. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ037-041-171200- /O.CON.KBOU.WW.Y.0016.000000T0000Z-150418T0000Z/ CENTRAL AND SOUTHEAST PARK COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- INCLUDING THE CITIES OF...FAIRPLAY...HARTSEL...LAKE GEORGE... SOUTH PARK...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR 1009 PM MDT THU APR 16 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY... * TIMING...THE SNOW WILL BECOME HEAVY AT TIMES TONIGHT AND CONTINUE THROUGH THE DAY ON FRIDAY. * SNOW ACCUMULATIONS...5 TO 8 INCHES...WITH LOCALLY HIGHER AMOUNTS. * WIND/VISIBILITY...NORTH TO NORTHEAST WINDS 10 TO 20 MPH. VISIBILITIES WILL DROP BELOW ONE HALF MILE AT TIMES DUE TO SNOW AND BLOWING SNOW. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED IN THE HEAVIER SNOW TONIGHT AND WILL CONTINUE THROUGH THE DAY FRIDAY...WITH HAZARDOUS TRAVEL CONDITIONS EXPECTED...ESPECIALLY ALONG INTERSTATE 25 FROM CASTLE ROCK SOUTH TO LARKSPUR. VISIBILITIES WILL BE REDUCED AT TIMES DUE TO THE HEAVY SNOWFALL AND BLOWING SNOW. HEAVY SNOWFALL ON POWER LINES MAY CAUSE POWER OUTAGES. THE HEAVY WET SNOW WILL LIKELY SNAP TREE BRANCHES AS WELL. 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. && $$
235 WWUS45 KBOU 171209 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 609 AM MDT FRI APR 17 2015 ...SPRING STORM TO CONTINUE TO IMPACT NORTHERN COLORADO THROUGH TONIGHT... .A STORM SYSTEM CENTERED NEAR THE FOUR CORNERS WILL MOVE VERY SLOWLY TOWARD CENTRAL COLORADO TODAY. MEANWHILE VERY MOIST AIR WILL ROTATE AROUND THE STORM ACROSS EASTERN AND NORTHERN COLORADO AND BE LIFTED BY THE STORM AND BY UPSLOPE WINDS. HEAVY WET SNOW WILL CONTINUE IN THE MOUNTAINS AND FOOTHILLS TODAY. DEPENDING ON THE EXACT TRACK OF THE STORM SYSTEM HEAVY SNOW COULD CONTINUE THROUGH TONIGHT AS WELL. THIS IS MOST LIKELY FOR THE NORTHERN PART OF THE FRONT RANGE IN BOULDER AND LARIMER COUNTIES. STORM TOTALS FROM 1 TO 3 FEET ARE EXPECTED IN THE FRONT RANGE MOUNTAINS AND FOOTHILLS. IN SOUTH PARK SNOW SHOWERS WILL CONTINUE TODAY...BUT DECREASE TONIGHT. ADDITIONAL ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED. AT LOWER ELEVATIONS PRECIPITATION WILL BE MAINLY RAIN WITH SOME SNOW MIXED IN NEAR THE MOUNTAINS. SOME MINOR ACCUMULATIONS ARE STILL POSSIBLE NEAR THE FOOTHILLS ESPECIALLY TONIGHT. SOUTH OF DENVER TEMPERATURES WILL BE A BIT COLDER...AND ANOTHER 1 TO 3 INCHES OF WET SNOW CAN BE EXPECTED. COZ033>036-172200- /O.CON.KBOU.WS.W.0008.000000T0000Z-150418T1200Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK...ESTES PARK...GLENDEVEY... NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY... EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 609 AM MDT FRI APR 17 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY... * TIMING...MODERATE TO HEAVY SNOW WILL CONTINUE TODAY...THEN DIMINISH TONIGHT. * SNOW ACCUMULATIONS...1 TO 3 FEET. HEAVIEST ACCUMULATIONS LIKELY IN THE HIGHER MOUNTAINS OF BOULDER AND LARIMER COUNTIES. * WIND/VISIBILITY...EAST TO NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH OVER HIGHER ELEVATIONS. VISIBILITIES WILL DROP BELOW ONE QUARTER MILE AT TIMES DUE TO HEAVY SNOW AND BLOWING SNOW. * IMPACTS...ROADS WILL BE ICY AND SNOWPACKED WITH HAZARDOUS TRAVEL CONDITIONS EXPECTED. VISIBILITIES WILL BE REDUCED AT TIMES DUE TO THE HEAVY SNOWFALL. HEAVY SNOWFALL ON POWER LINES MAY CAUSE POWER OUTAGES. 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. CONSIDER DELAYING UNNECESSARY TRAVEL. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ037-041-172200- /O.CON.KBOU.WW.Y.0016.000000T0000Z-150418T0000Z/ CENTRAL AND SOUTHEAST PARK COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- INCLUDING THE CITIES OF...FAIRPLAY...HARTSEL...LAKE GEORGE... SOUTH PARK...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR 609 AM MDT FRI APR 17 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...THE SNOW WILL BECOME HEAVY AT TIMES TONIGHT AND CONTINUE THROUGH THE DAY ON FRIDAY. * SNOW ACCUMULATIONS...STORM TOTALS OF 5 TO 10 INCHES. * WIND/VISIBILITY...NORTH TO NORTHEAST WINDS 10 TO 20 MPH. VISIBILITIES WILL DROP BELOW ONE HALF MILE AT TIMES DUE TO HEAVY WET SNOW. * IMPACTS...ROADS WILL BE SLUSHY OR SNOWPACKED AND VISIBILITIES WILL BE LOW DURING PERIODS OF HEAVY SNOW...HEAVY SNOWFALL ON POWER LINES MAY CAUSE POWER OUTAGES. THE HEAVY WET SNOW WILL LIKELY SNAP TREE BRANCHES AS WELL. 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. && $$ GIMMESTAD
700 WWUS45 KBOU 171743 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1143 AM MDT FRI APR 17 2015 ...SPRING STORM TO CONTINUE TO IMPACT NORTHERN COLORADO THROUGH TONIGHT... .A SPRING STORM SYSTEM WILL SLOWLY MOVE NORTHEAST ACROSS COLORADO TODAY AND TONIGHT. HEAVY WET SNOW WILL CONTINUE IN THE MOUNTAINS AND FOOTHILLS TODAY...ENDING FROM SOUTH TO NORTH THIS AFTERNOON AND EVENING. ADDITIONAL SNOW SHOWERS WILL BE POSSIBLE ONCE THE PERSIST SNOW ENDS. STORM TOTALS FROM 1 TO 3 FEET ARE EXPECTED IN THE FRONT RANGE MOUNTAINS AND FOOTHILLS...WITH LOCALLY MORE OVER PARTS OF LARIMER COUNTY COZ037-041-171845- /O.CAN.KBOU.WW.Y.0016.000000T0000Z-150418T0000Z/ CENTRAL AND SOUTHEAST PARK COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- INCLUDING THE CITIES OF...FAIRPLAY...HARTSEL...LAKE GEORGE... SOUTH PARK...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR 1143 AM MDT FRI APR 17 2015 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW HAS ENDED ACROSS MOST OF SOUTH PARK AND THE PALMER DIVIDE... THEREFORE THE WINTER WEATHER ADVISORY HAS BEEN CANCELED. ADDITIONAL SNOW SHOWERS WILL BE POSSIBLE OVER PARK COUNTY WITH UP TO AN ADDITIONAL INCH OR TWO POSSIBLE. THE PALMER DIVIDE WILL SEE SCATTERED RAIN SHOWERS AND ISOLATED THUNDERSTORMS THROUGH THE REST OF THE AFTERNOON. $$ COZ033>036-180300- /O.CON.KBOU.WS.W.0008.000000T0000Z-150418T1200Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK...ESTES PARK...GLENDEVEY... NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY... EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 1143 AM MDT FRI APR 17 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY... * TIMING...MODERATE TO HEAVY SNOW WILL DECREASE FROM SOUTH TO NORTH THIS AFTERNOON AND EVENING. * TOTAL SNOW ACCUMULATIONS...1 TO 3 FEET. HEAVIEST ACCUMULATIONS LIKELY IN THE HIGHER MOUNTAINS OF BOULDER AND LARIMER COUNTIES. * WIND/VISIBILITY...EAST TO NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH OVER HIGHER ELEVATIONS. VISIBILITIES WILL DROP BELOW ONE QUARTER MILE AT TIMES DUE TO HEAVY SNOW AND BLOWING SNOW. * IMPACTS...ROADS WILL BE ICY AND SNOWPACKED WITH HAZARDOUS TRAVEL CONDITIONS EXPECTED. VISIBILITIES WILL BE REDUCED AT TIMES DUE TO THE HEAVY SNOWFALL. HEAVY SNOWFALL ON POWER LINES MAY CAUSE POWER OUTAGES. 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. CONSIDER DELAYING UNNECESSARY TRAVEL. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$
776 WWUS45 KBOU 180325 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 925 PM MDT FRI APR 17 2015 COZ033>036-180430- /O.CAN.KBOU.WS.W.0008.000000T0000Z-150418T1200Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK...ESTES PARK...GLENDEVEY... NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY... EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 925 PM MDT FRI APR 17 2015 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER STORM WARNING. ADDITIONAL SNOW SHOWERS WILL MOVE INTO THE FRONT RANGE FOOTHILLS LATE THIS EVENING AND POSSIBLY DEVELOP IN THE FRONT RANGE MOUNTAINS LATE TONIGHT INTO SATURDAY MORNING. AT THIS TIME...THE SNOWFALL IS EXPECTED TO BE RELATIVELY LIGHT THEREFORE THE WINTER STORM WARNING HAS BEEN CANCELLED. $$
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 Apr 15, 9:36 AM MDT, 4 hours 4 minutes earlier.
Area forecast discussion, Apr 15, 9:36 AM MDT, 4 hours 4 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER/BOULDER CO 936 AM MDT WED APR 15 2015 .UPDATE... ISSUED AT 936 AM MDT WED APR 15 2015 CHALLENGING FORECAST FOR TODAY FOR NORTHEAST COLORADO. A SURFACE LOW WILL SHIFT EAST ACROSS NORTHEAST COLORADO THROUGH THE DAY. THERE WILL BE NORTH TO NORTHWEST WINDS BEHIND IT AND A DRY LINE DRAPED OVER EASTERN COLORADO. EAST OF THE DRY LINE DEW POINTS SHOULD CLIMB INTO THE 40S WITH SURFACE BASED CAPES AROUND 1000 J/KG. COULD SEE A SEVERE STORM EAST OF THIS DRY LINE. FOR THE FORECAST AREA...BEST CHANCE WOULD BE OVER THE FAR NORTHEAST CORNER AND POSSIBLY EASTERN WASHINGTON COUNTY. HAVE LITTLE FAITH IN THE HRRR AND RAP FOR SHORT TERM DETAILS. IT SHOWS SOUTHERLY WINDS SHIFTING NORTH THROUGH THE LATE MORNING HOURS. HOWEVER...RADAR IS SHOWING NORTH TO NORTHWEST WINDS PROGRESSING SOUTH AT THIS TIME. EXPECT THESE NORTHERLY WINDS TO KEEP MORE MOISTURE OVER THE FRONT RANGE LATE THIS AFTERNOON AND EVENING THAN MOST OF THE MODELS ARE SHOWING. CURRENT FORECAST CALLS FOR SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS...WILL CONTINUE WITH THIS EVEN THOUGH THE HIRES SHORT TERM MODELS ARE DRY. WARMED TEMPERATURES OVER THE EASTERN PLAINS WHERE SOUTHERLY WINDS WILL PUSH TEMPERATURES TO NEAR 70 DEGREES AND ALSO LOWERED DEW POINTS BEHIND THE DRY LINE. && .SHORT TERM...(TODAY THROUGH TONIGHT ) ISSUED AT 441 AM MDT WED APR 15 2015 MOST OF THE PLAINS WILL SEE ANOTHER BREEZY DAY TODAY AS A SURFACE LOW REMAINS OVER THE NORTHEAST QUARTER OF THE STATE. AT THE SAME TIME...SOUTHWEST FLOW AT MID-LEVELS WILL BE INCREASING AS AN UPPER LOW INTENSIFIES OVER WESTERN COLORADO AND MOVES INTO POSITION OVER THE FOUR-CORNERS AREA. DYNAMIC FORCING ASSOCIATED WITH THE UPPER LOW WILL PRODUCE SCATTERED SNOW SHOWERS OVER THE MOUNTAINS. THE PLAINS WILL REMAIN DRY THROUGH LATE AFTERNOON DUE TO THE STRONG DOWNSLOPING EFFECT OF THE SOUTHWEST WINDS ROTATING AROUND THE DEVELOPING STORM SYSTEM. BY LATER THIS EVENING...A SURFACE COLD FRONT WILL DROP DOWN THE FRONT RANGE FROM THE NORTH. THIS WILL SWITCH THE WINDS TO A NORTHERLY DIRECTION AND BRING COOLING TEMPERATURES. SHOWER ACTIVITY WILL ALSO SPREAD ONTO THE NORTHERN PLAINS LATE IN THE AFTERNOON AND THEN FILL IN SOUTHWARD THROUGH THE EVENING. TEMPERATURES SHOULD REMAIN WARM ENOUGH THROUGH THE EVENING THAT PRECIPITATION ACROSS THE PLAINS REMAINS AS RAIN. AFTER MIDNIGHT...THE AIRMASS WILL BECOME COOL ENOUGH FOR PRECIPITATION TO CHANGE OVER TO SNOW. ALTHOUGH WITH LOW TEMPERATURES ONLY AROUND THE FREEZING MARK...THE SNOW WILL HAVE A HARD TIME ACCUMULATING. ADDITIONAL SNOW ACCUMULATIONS AT LOWER ELEVATIONS IS NOT EXPECTED UNTIL LATER IN THE STORM CYCLE. MOUNTAINS AREAS MAY PICK UP A FEW INCHES OF SNOWFALL OVERNIGHT...BUT THE HEAVIEST PRECIPITATION IS NOT EXPECTED UNTIL LATER IN THE STORM...IF IT REMAINS OVER THE STATE LONG ENOUGH. .LONG TERM...(THURSDAY THROUGH TUESDAY) ISSUED AT 441 AM MDT WED APR 15 2015 OVERALL MODELS HAVE COME INTO BETTER AGREEMENT TONIGHT WITH AN UPPER LEVEL LOW BEING CENTERED NR THE FOUR CORNERS AREA AT 12Z THU WHICH WILL STAY NEARLY STATIONARY OR DRIFT SLOWLY SOUTH INTO NWRN NEW MEXICO BY THU NIGHT. BY THU AFTN INTO THU NIGHT A 700 MB LOW WILL BECOME MORE ORGANIZED OVER SRN CO/NRN NM AS SFC HIGH PRES REMAINS OVER WY WHILE SFC LOW PRES IS OVER NM. THIS LEADS TO INCREASING ELY LOW LVL FLOW ESPECIALLY THU NIGHT INTO FRI WHICH MAY ALLOW FOR DEEPER LOW LVL MOISTURE TO ADVECT IN FM THE EAST. MEANWHILE THERE WILL BE MID LVL ASCENT AND FAVORABLE LAPSE RATES ACROSS THE AREA AS WELL. OVERALL THERE APPEARS TO BE AN INCREASING THREAT FOR HEAVY WET SNOW THU NIGHT INTO FRI IN THE MTNS AND FOOTHILLS. AT LOWER ELEVATIONS BUFFER DATA SUGGEST SNOW LEVELS WILL BE GENERALLY ABOVE 5500 FEET WITH A RAIN/SNOW MIX BETWEEN 5000 AND 5500 FT. ON FRI THE MODELS BEGIN TO DIVERGE WITH THE MOVEMENT OF THE UPPER LEVEL LOW. THE ECMWF AND TO SOME EXTENT THE GFS BEGIN TO LIFT A SIGNIFICANT PIECE OF ENERGY INTO ERN CO WHICH ALLOWS FOR THE UPPER LEVEL LOW TO MOVE ENE INTO SCNTRL OR SERN CO BY FRI AFTN. MEANWHILE THE GEM MODEL KEEPS THE MAIN UPPER LEVEL LOW BACK OVER SWRN CO/NWRN NM THRU FRI AFTN. AT THIS POINT NOT SURE WHICH SOLUTION IS THE BEST HOWEVER WITH ELY UPSLOPE FLOW...MID LVL ASCENT AND DECENT LAPSE RATES STILL IN PLACE SHOULD CONTINUE TO SEE PERIODS OF HEAVIER PCPN THRU FRI AFTN ONE WOULD THINK. BY FRI NIGHT INTO SAT THE GEM MODEL BEGINS TO MOVE MAIN UPPER LEVEL EASTWARD ACROSS NRN NEW MEXICO WITH SOME TYPE OF NRN EXTENSION OVER ERN CO BY SAT AFTN. MEANWHILE THE GFS AND ECMWF SHOW THE MAIN UPPER EVENTUALLY BECOMING MORE ELONGATED FM ERN CO INTO NERN NM AS WELL. THE SREF MEAN SOLUTION STILL HAS A MORE CONSOLIDATED UPPER LEVEL LOW ALONG THE SRN CO/NRN NM BORDER AREA THRU 18Z SAT. OVERALL SHOULD CONTINUE TO SEE SOME PCPN THRU FRI NIGHT HOWEVER CONFIDENCE IN SAT FCST IS RATHER LOW AT THIS POINT. IF THE SYSTEM STAYS MORE CONSOLIDATED LIKE THE SREF SHOWS AND STAYS OVER SRN CO/NRN NM THEN PCPN COULD LINGER WELL INTO SAT. AT THIS TIME THERE IS AN INCREASING THREAT FOR A DECENT SPRING STORM FM THU NIGHT THRU FRI NIGHT SO WILL ISSUE A WATCH FOR THE MTNS AND FOOTHILLS. SNOW LEVELS FRI NIGHT INTO SAT ARE STILL NOT CERTAIN AT LOWER ELEVATIONS SO WILL KEEP A RAIN SNOW MIX BETWEEN 5000 TO 5500 FT WITH RAIN BELOW 5000 FT. ITS POSSIBLE THE FAR WRN AND SRN SUBURBS IN THE 5500-6000 FT RANGE COULD RECEIVE SOME HEAVIER SNOWFALL BUT CONFIDENCE IS NOT HIGH ENOUGH AT THIS TIME TO ISSUE A WATCH. QPF AMOUNTS FM THE MODELS GENERALLY AVERAGE FM 1 TO 2 INCHES OF WATER FOR THE EVENT HOWEVER SOME AREAS COULD RECEIVE UP TO 3 INCHES OF WATER. BY SAT NIGHT INTO SUN THE UPPER LEVEL LOW SHOULD MOVE EAST OF THE AREA HOWEVER AS IT DOES SO A DISTURBANCE IN NW FLOW ALOFT MAY AFFECT THE AREA ON SUN AS ANOTHER PUSH OF COOLER AIR MOVES INTO NERN CO. CROSS-SECTIONS SHOW DECENT MOISTURE AND SOME MID LVL ASCENT WITH THIS FEATURE SO COULD SEE ANOTHER ROUND OF PCPN MAINLY ON SUN. TEMP PROFILE SHOWS AIRMASS WOULD BE COLD ENOUGH FOR SNOW AT LOWER ELEVATIONS SUN MORNING. FOR SUN NIGHT INTO MON ANOTHER DISTURBANCE IN NWLY FLOW ALOFT MAY AFFECT THE AREA ALONG WITH ANOTHER FNT. THUS COULD SEE ANOTHER CHC OF PCPN MAINLY SUN NIGHT INTO MON MORNING. ON TUE NWLY FLOW ALOFT WILL REMAIN OVER THE AREA. THE GFS SHOWS ANOTHER DISTURBANCE AND FNT AFFECTING NRN CO BRINGING ANOTHER CHC OF PCPN WHILE THE ECMWF DOES NOT. FOR NOW WILL JUST KEEP IN LOW POPS. && .AVIATION...(FOR THE TAFS THROUGH 18Z THURSDAY MORNING) ISSUED AT 936 AM MDT WED APR 15 2015 NORTH TO NORTHWEST WINDS WILL PREVAIL AT THE DENVER AIRPORTS THROUGH THE EVENING HOURS. DEPENDING ON WHERE THE SURFACE LOW MOVES...A PERIOD OF SOUTHWEST TO WEST WINDS WILL BE POSSIBLE...WITH THE BEST CHANCE BEING AT KAPA. MAY BE SOME GUST TO 30 TO 40 KNOTS THIS EVENING AS A FRONT PUSHES THROUGH. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE EXPECTED BETWEEN 22Z AND 03Z...WITH SHOWERS POSSIBLE THROUGH THE NIGHT. CEILINGS WILL FALL AFTER 00Z AS THE AIRMASS MOISTENS. AFTER 06Z...CEILINGS WILL LIKELY DROP BELOW 3000 FEET. SNOW WILL BE POSSIBLE AFTER 06ZZ...THOUGH ANY SNOWFALL SHOULD BE SHORT LIVED. && .FIRE WEATHER... ISSUED AT 441 AM MDT WED APR 15 2015 INCREASING SOUTHWEST WINDS ARE EXPECTED AGAIN BY THIS AFTERNOON ACROSS THE PALMER DIVIDE REGION AND SOUTHERN LINCOLN COUNTY. WARM ENOUGH TEMPERATURES AND LOW ENOUGH DEW POINTS ARE ALSO EXPECTED WHICH MAY PRODUCE ANOTHER AFTERNOON OF FIRE WEATHER CONCERNS. WILL ISSUE A RED FLAG WARNING FOR ZONE 47 TO HIGHLIGHT THE THREAT OF DANGEROUS FIRE BEHAVIOR FOR ANOTHER DAY. THE REMAINDER OF NORTHEAST COLORADO IS EXPECTED TO BE SOME 10 TO 15 DEGREES COOLER TODAY THAN YESTERDAY...SO FIRE DANGERS ARE NOT EXPECTED TO BE AS HIGH. && .BOU WATCHES/WARNINGS/ADVISORIES... RED FLAG WARNING UNTIL 8 PM MDT THIS EVENING FOR COZ247. WINTER STORM WATCH FROM THURSDAY EVENING THROUGH LATE FRIDAY NIGHT FOR COZ033>036. && UPDATE...MEIER SHORT TERM...DANKERS LONG TERM...RPK AVIATION...MEIER FIRE WEATHER...DANKERS
Hazardous weather outlook, Apr 15, 10:19 AM MDT, 3 hours 21 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1019 AM MDT WED APR 15 2015 COZ030>051-161630- 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- 1019 AM MDT WED APR 15 2015 ...WINTER STORM WATCH THURSDAY NIGHT THROUGH FRIDAY NIGHT FOR THE MOUNTAINS AND FOOTHILLS... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT A LATE SEASON STORM SYSTEM WILL MOVE INTO THE CENTRAL ROCKIES TODAY. SCATTERED SNOW SHOWERS WILL PREVAIL OVER THE MOUNTAINS WITH A FEW EMBEDDED THUNDERSTORMS. SNOW ACCUMULATIONS WILL GENERALLY BE LESS THAN 3 INCHES. ACROSS THE LOWER ELEVATIONS...SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON AND EVENING. A SEVERE THUNDERSTORM IS EVEN POSSIBLE OVER THE FAR NORTHEAST CORNER OF COLORADO. GUSTY SOUTHERLY WINDS AHEAD OF THIS SYSTEM WILL BRING LOW RELATIVE HUMIDITIES AND INCREASED FIRE DANGER OVER THE PLAINS SOUTH OF INTERSTATE 70. A STRONG COLD FRONT WILL MOVE DOWN THE FRONT RANGE WITH GUSTY NORTH WINDS AND INCREASING SHOWER ACTIVITY EARLY THIS EVENING. RAIN SHOWERS ON THE PLAINS WILL CHANGE OVER TO SNOW WITH SOME LIGHT ACCUMULATIONS ON GRASSY AREAS BY THURSDAY MORNING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A SPRING STORM WILL AFFECT THE AREA THURSDAY AFTERNOON THROUGH FRIDAY NIGHT. THIS SYSTEM WILL BRING THE THREAT OF WET HEAVY SNOWFALL TO THE MOUNTAINS AND FOOTHILLS WITH ACCUMULATIONS OF 10 TO 20 INCHES POSSIBLE. AT LOWER ELEVATIONS THERE WILL BE A MIX OF RAIN AND SNOW ALONG THE FRONT RANGE URBAN CORRIDOR WITH MOSTLY RAIN ACROSS THE PLAINS. SOME AREAS ALONG THE FRONT RANGE COULD SEE FROM 2 TO 4 INCHES OF WET SNOW WITH SLIGHTLY HIGHER AMOUNTS CLOSER TO THE FOOTHILLS AND OVER THE PALMER DIVIDE. THE STORM SYSTEM WILL BEGIN TO MOVE OUT OF THE AREA ON SATURDAY HOWEVER THERE COULD STILL BE SOME LINGERING RAIN AND SNOW THROUGH THE MORNING HOURS. FOR SUNDAY THROUGH MONDAY IT WILL REMAIN UNSETTLED WITH A CHANCE OF PRECIPITATION ON SUNDAY AND AGAIN ON MONDAY. .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 |
|---|---|---|---|---|
| Apr 15, 5:42 AM MDT | Winter Storm Watch | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 8 hr |
| Apr 15, 6:03 AM MDT | Red Flag Warning | BOU | Elbert, Lincoln | 14 hr |
| Apr 15, 2:24 PM MDT | Special Weather Statement | BOU | Weld | 36 min |
| Apr 15, 4:14 PM MDT | Special Weather Statement | BOU | Morgan, Weld | 46 min |
| Apr 15, 5:24 PM MDT | Special Weather Statement | BOU | Arapahoe, Elbert | 66 min |
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.