Alert archive / Colorado / Winter Storm Warnings in 2015
Winter Storm Warning 10, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at May 9, 2015, 5:15 AM MDT for 20 counties in Colorado. It took effect at May 9, 2015, 12:00 PM MDT. It was in force for 18 hr. 27 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
- May 9, 2015, 5:15 AM MDT (11:15 UTC)
- In effect from
- May 9, 2015, 12:00 PM MDT
- Expired
- May 10, 2015, 5:56 AM MDT
- In force
- 18 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Denver County, CO, Douglas County, CO, Elbert County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Park County, CO, Summit County, CO, Washington County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 29 km from the middle of the area, began a volume at 11:18 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 |
|---|---|---|---|
| May 9, 6:15 PM MDT | SNOW 3 | 3 Wsw Conifer, CO | |
| May 9, 7:00 PM MDT | SNOW 0 | Peetz, CO | EXTENSIVE FLOODING OF FIELDS ACROSS PORTIONS OF THE COUNTY. SEVERAL ROADS IMPASSABLE DUE TO FLOODING |
| May 9, 7:15 PM MDT | SNOW 2 | Genesee, CO | PAST 3 HOURS |
| May 9, 7:30 PM MDT | SNOW 2 | 3 E Perry Park, CO | PAST 90 MINUTES |
| May 9, 7:30 PM MDT | SNOW 2 | 4 Nw Elizabeth, CO | |
| May 9, 8:10 PM MDT | SNOW 5 | Antero Junction, CO | SINCE 230 PM |
| May 9, 8:30 PM MDT | SNOW 4 | 3 Ese Perry Park, CO | 2 INCHES PAST HOUR |
| May 9, 8:30 PM MDT | SNOW 5 | 4 Nw Elizabeth, CO | 3 INCHES PAST HOUR |
| May 9, 8:55 PM MDT | SNOW 3 | 3 S Parker, CO | |
| May 9, 9:00 PM MDT | SNOW 1 | 3 W Greeley, CO | |
| May 9, 9:15 PM MDT | SNOW 4 | Genesee, CO | PAST 5 HOURS |
| May 9, 9:15 PM MDT | SNOW 5 | 3 Ese Perry Park, CO | PAST 3 HOURS |
| May 9, 10:00 PM MDT | SNOW 4.4 | 3 N Black Hawk, CO | |
| May 9, 10:01 PM MDT | HEAVY SNOW 6.5 | 4 Nw Elizabeth, CO | 3 INCHES PAST HOUR |
| May 9, 10:25 PM MDT | SNOW 2.2 | 2 Ssw Boulder, CO | DAVID SKAGGS RESEARCH CENTER |
| May 9, 10:40 PM MDT | HEAVY SNOW 6 | 3 Wsw Conifer, CO | |
| May 9, 10:44 PM MDT | HEAVY SNOW 8 | 2 Nw Aurora, CO | TREE DAMAGE |
| May 9, 10:44 PM MDT | HEAVY SNOW 8 | W Aurora, CO | |
| May 9, 11:00 PM MDT | SNOW 2 | Lafayette, CO | |
| May 9, 11:10 PM MDT | SNOW 5 | 5 Ene Centennial, CO | SOME TREE DAMAGE, BRANCHES SNAPPED |
| May 10, 12:00 AM MDT | SNOW 2.5 | 5 E Boulder, CO | |
| May 10, 12:00 AM MDT | SNOW 3 | 1 Nnw Louisville, CO | |
| May 10, 12:00 AM MDT | SNOW 3.5 | Denver Intl Airport, CO | |
| May 10, 4:45 AM MDT | SNOW 8.5 | Se Aurora, CO | |
| May 10, 6:00 AM MDT | SNOW 4 | 4 E Greeley, CO | |
| May 10, 6:00 AM MDT | SNOW 6 | 1 Nnw Federal Heights, CO | |
| May 10, 6:00 AM MDT | SNOW 9 | 3 Ese Perry Park, 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 00:00Z, 11.3 hours before the alert went out and 139 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
- 182 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 684 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 193 m²/s²
- 0-3 km storm-relative helicity
- 251 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.3
The text
As transmitted, in the capitals the NWS used until 2016.
514 WWUS45 KBOU 091115 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 515 AM MDT SAT MAY 9 2015 ...HEAVY SNOW POSSIBLE FOR THE NORTHERN AND CENTRAL MOUNTAINS THIS AFTERNOON AND TONIGHT... .A STRONG STORM SYSTEM CURRENTLY CENTERED OVER NORTHEAST ARIZONA WILL MOVE TOWARDS THE FOUR CORNERS REGION THROUGH THIS MORNING AND THEN ACROSS THE EASTERN HALF OF COLORADO THIS AFTERNOON AND TONIGHT. STRONG FORCING ACCOMPANYING THIS SYSTEM ALONG WITH COLDER AIR ALOFT WILL PRODUCE HEAVY SNOW IN THE MOUNTAINS. STORM TOTALS WILL VARY ACROSS THE MOUNTAINS AND HIGH VALLEYS AS THERE WILL ALSO BE SOME EMBEDDED THUNDERSNOW. EIGHT TO 16 INCHES OF NEW SNOW WILL BE POSSIBLE BY SUNDAY MORNING WITH THE HEAVIEST SNOW FALLING THIS AFTERNOON AND EVENING. COZ033-034-091915- /O.UPG.KBOU.WS.A.0007.150509T1800Z-150510T1200Z/ /O.NEW.KBOU.WS.W.0010.150509T1800Z-150510T1200Z/ 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 515 AM MDT SAT MAY 9 2015 ...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO 6 AM MDT SUNDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM NOON TODAY TO 6 AM MDT SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL INCREASE ACROSS THE MOUNTAINS THIS AFTERNOON AND CONTINUE OVERNIGHT. * SNOW ACCUMULATIONS...8 TO 16 INCHES WILL BE POSSIBLE. * WIND/VISIBILITY...ROADS WILL BECOME SLUSHY AND SNOWPACKED AS THE HEAVIER SHOWERS DEVELOP. VISIBILITIES OF LESS THAN ONE QUARTER MILE CAN BE EXPECTED AT TIMES. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. 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
216 WWUS45 KBOU 091509 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 909 AM MDT SAT MAY 9 2015 ...WINTER STORM WARNING THIS AFTERNOON AND TONIGHT FOR THE NORTH CENTRAL MOUNTAINS... ...HEAVY SNOW POSSIBLE FOR THE FRONT RANGE FOOTHILLS AND ADJACENT PLAINS LATE THIS EVENING THROUGH SUNDAY MORNING... .A STRONG STORM SYSTEM CURRENTLY CENTERED OVER NORTHEAST ARIZONA WILL MOVE TOWARDS THE FOUR CORNERS REGION THROUGH THIS MORNING AND THEN ACROSS THE EASTERN HALF OF COLORADO THIS AFTERNOON AND TONIGHT. STRONG FORCING ACCOMPANYING THIS SYSTEM ALONG WITH COLDER AIR ALOFT WILL PRODUCE HEAVY SNOW IN THE MOUNTAINS. STORM TOTALS WILL VARY ACROSS THE MOUNTAINS AND HIGH VALLEYS AS THERE WILL ALSO BE SOME EMBEDDED THUNDERSNOW. 8 TO 16 INCHES OF NEW SNOW WILL BE POSSIBLE BY SUNDAY MORNING WITH THE HEAVIEST SNOW FALLING THIS AFTERNOON AND EVENING. IN THE FRONT RANGE FOOTHILLS...URBAN CORRIDOR AND ADJACENT PLAINS...THE RAIN IS EXPECTED TO CHANGE QUICKLY OVER TO SNOW...WITH MODERATE TO HEAVY BANDS DEVELOPING TONIGHT. AS THE SYSTEM MOVES INTO EAST CENTRAL COLORADO LATE TONIGHT. THERE IS SOME UNCERTAINTY REGARDING THE LOCATION OF THE HEAVIEST SNOWFALL. IN THE FOOTHILLS...STORM TOTALS OF 8 TO 12 INCHES WILL BE POSSIBLE...WITH 5 TO 10 INCHES POSSIBLE IN THE HEAVIER BANDS THAT OCCUR IN THE URBAN CORRIDOR AND NORTHEAST PLAINS. TRAVEL WILL BE HAZARDOUS IN THE AREAS OF HEAVY SNOW DUE TO SLUSHY ROADS AND LOW VISIBILITIES. THE WET HEAVY SNOW MAY WEIGH DOWN TREES AND BREAK BRANCHES. COZ033-034-092315- /O.CON.KBOU.WS.W.0010.150509T1800Z-150510T1200Z/ 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 909 AM MDT SAT MAY 9 2015 ...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 AM MDT SUNDAY... * TIMING...SNOW WILL INCREASE ACROSS THE MOUNTAINS THIS AFTERNOON AND CONTINUE OVERNIGHT. * SNOW ACCUMULATIONS...8 TO 16 INCHES. * WIND/VISIBILITY...ROADS WILL BECOME SLUSHY AND SNOWPACKED AS THE HEAVIER SHOWERS DEVELOP. VISIBILITIES OF LESS THAN ONE QUARTER MILE CAN BE EXPECTED AT TIMES. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. 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. && $$ COZ035-036-038>046-048-049-092315- /O.NEW.KBOU.WS.A.0008.150510T0300Z-150510T1500Z/ 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- 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-LOGAN COUNTY-WASHINGTON COUNTY- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FORT COLLINS... HEREFORD...LOVELAND...NUNN...ARVADA...BOULDER...GOLDEN... LAKEWOOD...LONGMONT...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR... BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM...EATON... FORT LUPTON...GREELEY...ROGGEN...BRUSH...FORT MORGAN...GOODRICH... WIGGINS...BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO... LIMON...MATHESON...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS 909 AM MDT SAT MAY 9 2015 ...WINTER STORM WATCH IN EFFECT FROM THIS EVENING THROUGH SUNDAY MORNING... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM THIS EVENING THROUGH SUNDAY MORNING. * TIMING...THE RAIN WILL SWITCH QUICKLY OVER TO SNOW BY 9 PM AND CONTINUE UNTIL MID MORNING SUNDAY. * SNOW ACCUMULATIONS...STORM TOTALS OF 8 TO 12 POSSIBLE INCHES IN THE FRONT RANGE FOOTHILLS...WITH 5 TO 10 INCHES POSSIBLE OVER PARTS OF THE URBAN CORRIDOR AND ADJACENT PLAINS. * WIND/VISIBILITY...NORTH TO NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH DEVELOPING LATE TONIGHT AND SUNDAY MORNING. VISIBILITY WILL DROP BELOW A QUARTER MILE IN THE SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
162 WWUS45 KBOU 091907 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 107 PM MDT SAT MAY 9 2015 ...WINTER STORM WARNING THIS AFTERNOON AND TONIGHT FOR THE NORTH CENTRAL MOUNTAINS... ...HEAVY SNOW POSSIBLE FOR THE FRONT RANGE FOOTHILLS AND ADJACENT PLAINS LATE THIS EVENING THROUGH SUNDAY MORNING... .A STRONG STORM SYSTEM CURRENTLY CENTERED OVER NORTHEAST ARIZONA WILL MOVE TOWARDS THE FOUR CORNERS REGION THROUGH THIS MORNING AND THEN ACROSS THE EASTERN HALF OF COLORADO THIS AFTERNOON AND TONIGHT. STRONG FORCING ACCOMPANYING THIS SYSTEM ALONG WITH COLDER AIR ALOFT WILL PRODUCE HEAVY SNOW IN THE MOUNTAINS. STORM TOTALS WILL VARY ACROSS THE MOUNTAINS AND HIGH VALLEYS AS THERE WILL ALSO BE SOME EMBEDDED THUNDERSNOW. 8 TO 16 INCHES OF NEW SNOW WILL BE POSSIBLE BY SUNDAY MORNING WITH THE HEAVIEST SNOW FALLING THIS AFTERNOON AND EVENING. IN THE FRONT RANGE FOOTHILLS...URBAN CORRIDOR AND ADJACENT PLAINS...THE RAIN IS EXPECTED TO CHANGE QUICKLY OVER TO SNOW... WITH MODERATE TO HEAVY BANDS DEVELOPING TONIGHT. AS THE SYSTEM MOVES INTO EAST CENTRAL COLORADO LATE TONIGHT. THERE IS SOME UNCERTAINTY REGARDING THE LOCATION OF THE HEAVIEST SNOWFALL. IN THE FOOTHILLS...STORM TOTALS OF 8 TO 12 INCHES WILL BE POSSIBLE... WITH 5 TO 10 INCHES POSSIBLE IN THE HEAVIER BANDS THAT OCCUR IN THE URBAN CORRIDOR AND NORTHEAST PLAINS. TRAVEL WILL BE HAZARDOUS IN THE AREAS OF HEAVY SNOW DUE TO SLUSHY ROADS AND LOW VISIBILITIES. THE WET HEAVY SNOW WILL WEIGH DOWN TREES AND BREAK BRANCHES. COZ035-036-100315- /O.UPG.KBOU.WS.A.0008.150510T0300Z-150510T1500Z/ /O.EXB.KBOU.WS.W.0010.150509T2100Z-150510T1500Z/ 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...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK 107 PM MDT SAT MAY 9 2015 ...WINTER STORM WARNING IN EFFECT UNTIL 9 AM MDT SUNDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR SNOW...WHICH IS IN EFFECT UNTIL 9 AM MDT SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...THE SNOW LEVEL WILL CONTINUE TO LOWER THIS AFTERNOON BECOMING HEAVY AT TIMES LATER THIS AFTERNOON AND CONTINUING OVERNIGHT. THE SNOW WILL START TO TAPER OFF BY 9 AM SUNDAY MORNING. * SNOW ACCUMULATIONS...STORM TOTALS OF 8 TO 12 INCHES BY SUNDAY MORNING. * WIND/VISIBILITY...NORTH TO NORTHEAST 10 TO 20 MPH CAN BE EXPECTED. VISIBILITY WILL DROP BELOW A QUARTER MILE IN THE SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. 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. && $$ COZ038>046-048-049-100315- /O.UPG.KBOU.WS.A.0008.150510T0300Z-150510T1500Z/ /O.EXB.KBOU.WS.W.0010.150510T0300Z-150510T1500Z/ 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-LOGAN COUNTY-WASHINGTON COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA... BRIGHTON...CITY OF DENVER...DENVER INTERNATIONAL AIRPORT... HIGHLANDS RANCH...LITTLETON...PARKER...CASTLE ROCK...ELBERT... FONDIS...KIOWA...LARKSPUR...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN... BRUSH...FORT MORGAN...GOODRICH...WIGGINS...BENNETT...BYERS... DEER TRAIL...LEADER...AGATE...HUGO...LIMON...MATHESON...CROOK... MERINO...STERLING...PEETZ...AKRON...COPE...LAST CHANCE...OTIS 107 PM MDT SAT MAY 9 2015 ...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT SUNDAY... 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 9 AM MDT SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...THE RAIN WILL SWITCH QUICKLY OVER TO SNOW BY 9 PM AND CONTINUE UNTIL MID MORNING SUNDAY. * SNOW ACCUMULATIONS...STORM TOTALS 5 TO 10 INCHES. * WIND/VISIBILITY...NORTH TO NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH DEVELOPING LATE TONIGHT AND SUNDAY MORNING. VISIBILITY WILL DROP BELOW A QUARTER MILE IN THE SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. THE WET HEAVY SNOW WILL WEIGH DOWN TREES AND BREAK BRANCHES. SOME POWER OUTAGES MAY ALSO OCCUR. 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. && $$ COZ033-034-100315- /O.CON.KBOU.WS.W.0010.000000T0000Z-150510T1200Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 107 PM MDT SAT MAY 9 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY... * TIMING...SNOW WILL INCREASE ACROSS THE MOUNTAINS THIS AFTERNOON AND CONTINUE OVERNIGHT. * SNOW ACCUMULATIONS...8 TO 16 INCHES. * WIND/VISIBILITY...ROADS WILL BECOME SLUSHY AND SNOWPACKED AS THE HEAVIER SHOWERS DEVELOP. VISIBILITIES OF LESS THAN ONE QUARTER MILE CAN BE EXPECTED AT TIMES. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ050-051-100315- /O.NEW.KBOU.WW.Y.0017.150510T0300Z-150510T1800Z/ SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...JULESBURG...OVID...SEDGWICK...AMHERST... HAXTUN...HOLYOKE 107 PM MDT SAT MAY 9 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO NOON MDT SUNDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO NOON MDT SUNDAY. * TIMING...THE RAIN WILL CHANGE OVER TO SNOW THIS EVENING AND CONTINUE THROUGH MUCH OF SUNDAY MORNING. * SNOW ACCUMULATIONS...SNOW ACCUMULATION OF 2 TO 4 INCHES. * WIND/VISIBILITY...NORTH TO NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH DEVELOPING LATE TONIGHT AND SUNDAY MORNING. VISIBILITY WILL DROP BELOW A QUARTER MILE IN THE SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. THE WET HEAVY SNOW WILL WEIGH DOWN TREES AND BREAK BRANCHES. SOME POWER OUTAGES MAY ALSO OCCUR. 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. && $$
816 WWUS45 KBOU 092141 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 341 PM MDT SAT MAY 9 2015 ...WINTER STORM WARNING THROUGH TONIGHT FOR THE NORTH CENTRAL MOUNTAINS AND FRONT RANGE FOOTHILLS... ...WINTER STORM WARNING FOR THE PLAINS LATE THIS EVENING THROUGH SUNDAY MORNING... .A STRONG STORM SYSTEM WILL CONTINUE TO AFFECT THE STATE THIS EVENING THROUGH SUNDAY. STRONG FORCING ACCOMPANYING THIS SYSTEM ALONG WITH COLDER AIR ALOFT WILL BE PRODUCING HEAVY SNOW IN THE MOUNTAINS AND UPPER FOOTHILLS ABOVE 7000 FT...THEN SNOW LEVELS ARE EXPECTED TO DROP THIS EVENING DOWN TO THE PLAINS. STORM TOTALS WILL VARY ACROSS THE MOUNTAINS AND HIGH VALLEYS AS THERE WILL ALSO BE SOME EMBEDDED THUNDERSNOW. RAIN IS EXPECTED TO CHANGE QUICKLY OVER TO SNOW ACROSS THE PLAINS THIS EVENING...WITH MODERATE TO HEAVY BANDS DEVELOPING. TRAVEL WILL BE HAZARDOUS IN THE AREAS OF HEAVY SNOW DUE TO SLUSHY ROADS AND LOW VISIBILITIES. THE WET HEAVY SNOW WILL WEIGH DOWN TREES AND BREAK BRANCHES. COZ035-036-100600- /O.CON.KBOU.WS.W.0010.000000T0000Z-150510T1500Z/ 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...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK 341 PM MDT SAT MAY 9 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT SUNDAY... * TIMING...THE SNOW LEVEL WILL CONTINUE TO LOWER THIS AFTERNOON BECOMING HEAVY AT TIMES EARLY THIS EVENING AND CONTINUING OVERNIGHT. THE SNOW WILL START TO TAPER OFF BY 9 AM SUNDAY MORNING. * SNOW ACCUMULATIONS...STORM TOTALS OF 8 TO 12 INCHES BY SUNDAY MORNING. * WIND/VISIBILITY...NORTH TO NORTHEAST 10 TO 20 MPH CAN BE EXPECTED. VISIBILITY WILL DROP BELOW A QUARTER MILE IN THE SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. WET HEAVY SNOW WILL WEIGH DOWN TREES AND BREAK BRANCHES. 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. && $$ COZ033-034-100600- /O.CON.KBOU.WS.W.0010.000000T0000Z-150510T1200Z/ 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 341 PM MDT SAT MAY 9 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY... * TIMING...SNOW WILL INCREASE ACROSS THE MOUNTAINS THIS AFTERNOON AND CONTINUE OVERNIGHT. * SNOW ACCUMULATIONS...8 TO 16 INCHES. * WIND/VISIBILITY...ROADS WILL BECOME SLUSHY AND SNOWPACKED AS THE HEAVIER SHOWERS DEVELOP. VISIBILITIES OF LESS THAN ONE QUARTER MILE CAN BE EXPECTED AT TIMES. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. 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. && $$ COZ038>046-048-049-100600- /O.CON.KBOU.WS.W.0010.150510T0300Z-150510T1500Z/ 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-LOGAN COUNTY-WASHINGTON COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA... BRIGHTON...CITY OF DENVER...DENVER INTERNATIONAL AIRPORT... HIGHLANDS RANCH...LITTLETON...PARKER...CASTLE ROCK...ELBERT... FONDIS...KIOWA...LARKSPUR...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN... BRUSH...FORT MORGAN...GOODRICH...WIGGINS...BENNETT...BYERS... DEER TRAIL...LEADER...AGATE...HUGO...LIMON...MATHESON...CROOK... MERINO...STERLING...PEETZ...AKRON...COPE...LAST CHANCE...OTIS 341 PM MDT SAT MAY 9 2015 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT SUNDAY... * TIMING...THE RAIN WILL SWITCH QUICKLY OVER TO SNOW BY 9 PM AND CONTINUE UNTIL MID MORNING SUNDAY. * SNOW ACCUMULATIONS...STORM TOTALS 5 TO 10 INCHES. * WIND/VISIBILITY...NORTH TO NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH DEVELOPING LATE TONIGHT AND SUNDAY MORNING. VISIBILITY WILL DROP BELOW A QUARTER MILE IN THE SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. THE WET HEAVY SNOW WILL WEIGH DOWN TREES AND BREAK BRANCHES. SOME POWER OUTAGES MAY ALSO OCCUR. 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. && $$ COZ050-051-100600- /O.CON.KBOU.WW.Y.0017.150510T0300Z-150510T1800Z/ SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...JULESBURG...OVID...SEDGWICK...AMHERST... HAXTUN...HOLYOKE 341 PM MDT SAT MAY 9 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO NOON MDT SUNDAY... * TIMING...THE RAIN WILL CHANGE OVER TO SNOW THIS EVENING AND CONTINUE THROUGH MUCH OF SUNDAY MORNING. * SNOW ACCUMULATIONS...SNOW ACCUMULATION OF 2 TO 4 INCHES. * WIND/VISIBILITY...NORTH TO NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH DEVELOPING LATE TONIGHT AND SUNDAY MORNING. VISIBILITY WILL DROP BELOW A QUARTER MILE IN THE SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. THE WET HEAVY SNOW WILL WEIGH DOWN TREES AND BREAK BRANCHES. SOME POWER OUTAGES MAY ALSO OCCUR. 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. && $$
199 WWUS45 KBOU 100339 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 939 PM MDT SAT MAY 9 2015 ...WINTER STORM WARNING THROUGH TONIGHT FOR THE NORTH CENTRAL MOUNTAINS AND FRONT RANGE FOOTHILLS... ...WINTER STORM WARNING FOR THE PLAINS LATER THIS EVENING THROUGH SUNDAY MORNING... .A STRONG STORM SYSTEM ACROSS EAST CENTRAL COLORADO WILL CONTINUE TO AFFECT THE STATE THIS EVENING THROUGH SUNDAY. STRONG FORCING ACCOMPANYING THIS SYSTEM ALONG WITH COLDER AIR ALOFT WILL BE PRODUCING HEAVY SNOW IN THE MOUNTAINS...FOOTHILLS...AND PLAINS TONIGHT AND SUNDAY MORNING. RAIN IS EXPECTED TO CHANGE QUICKLY OVER THE NORTHEAST PLAINS LATER THIS EVENING AND OVERNIGHT. TRAVEL WILL BE HAZARDOUS IN THE AREAS OF HEAVY SNOW DUE TO SLUSHY ROADS AND LOW VISIBILITIES. THE WET HEAVY SNOW WILL WEIGH DOWN TREES AND BREAK BRANCHES. POWER OUTAGES ARE ALSO POSSIBLE WITH THE HEAVY WET SNOW. COZ035-036-038>046-048-049-101145- /O.CON.KBOU.WS.W.0010.000000T0000Z-150510T1500Z/ 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- 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-LOGAN COUNTY-WASHINGTON COUNTY- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FORT COLLINS... HEREFORD...LOVELAND...NUNN...ARVADA...BOULDER...GOLDEN... LAKEWOOD...LONGMONT...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR... BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM...EATON... FORT LUPTON...GREELEY...ROGGEN...BRUSH...FORT MORGAN...GOODRICH... WIGGINS...BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO... LIMON...MATHESON...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS 939 PM MDT SAT MAY 9 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT SUNDAY... * TIMING...SNOW WILL CONTINUE OVER THE FRONT RANGE FOOTHILLS AND ADJACENT PLAINS TONIGHT WHILE RAIN WILL CHANGE TO SNOW LATER THIS EVENING AND OVERNIGHT OVER THE NORTHEAST PLAINS. * SNOW ACCUMULATIONS...STORM TOTALS 6 TO 14 INCHES...HIGHEST AMOUNTS OVER DOUGLAS...EASTERN AND SOUTHERN PORTIONS OF DENVER. * WIND/VISIBILITY...NORTH TO NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH DEVELOPING LATE TONIGHT AND SUNDAY MORNING. VISIBILITY WILL DROP BELOW A QUARTER MILE IN THE SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. THE WET HEAVY SNOW WILL WEIGH DOWN TREES AND BREAK BRANCHES. SOME POWER OUTAGES MAY ALSO OCCUR. 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. && $$ COZ033-034-101145- /O.CON.KBOU.WS.W.0010.000000T0000Z-150510T1200Z/ 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 MDT SAT MAY 9 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY... * TIMING...SNOW WILL CONTINUE OVERNIGHT...HEAVY AT TIMES OVER THE EAST SLOPES. * SNOW ACCUMULATIONS...8 TO 16 INCHES...HIGHEST ON FRONT RANGE EAST SLOPES. * WIND/VISIBILITY...ROADS WILL BECOME SLUSHY AND SNOWPACKED AS THE HEAVIER SHOWERS DEVELOP. VISIBILITIES OF LESS THAN ONE QUARTER MILE CAN BE EXPECTED AT TIMES. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. 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. && $$ COZ050-051-101145- /O.CON.KBOU.WW.Y.0017.000000T0000Z-150510T1800Z/ SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...JULESBURG...OVID...SEDGWICK...AMHERST... HAXTUN...HOLYOKE 939 PM MDT SAT MAY 9 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT SUNDAY... * TIMING...THE RAIN WILL CHANGE OVER TO SNOW AFTER MIDNIGHT AND CONTINUE THROUGH MUCH OF SUNDAY MORNING. * SNOW ACCUMULATIONS...SNOW ACCUMULATION OF 2 TO 4 INCHES. * WIND/VISIBILITY...NORTH TO NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH DEVELOPING LATE TONIGHT AND SUNDAY MORNING. VISIBILITY WILL DROP BELOW A QUARTER MILE IN THE SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. THE WET HEAVY SNOW WILL WEIGH DOWN TREES AND BREAK BRANCHES. SOME POWER OUTAGES MAY ALSO OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
316 WWUS45 KBOU 100432 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1032 PM MDT SAT MAY 9 2015 ...WINTER STORM WARNING THROUGH TONIGHT FOR THE NORTH CENTRAL MOUNTAINS AND FRONT RANGE FOOTHILLS... ...WINTER STORM WARNING FOR THE PLAINS LATER THIS EVENING THROUGH SUNDAY MORNING... .A STRONG STORM SYSTEM ACROSS EAST CENTRAL COLORADO WILL CONTINUE TO AFFECT THE STATE THIS EVENING THROUGH SUNDAY. STRONG FORCING ACCOMPANYING THIS SYSTEM ALONG WITH COLDER AIR ALOFT WILL BE PRODUCING HEAVY SNOW IN THE MOUNTAINS...FOOTHILLS...AND PLAINS TONIGHT AND SUNDAY MORNING. RAIN IS EXPECTED TO CHANGE QUICKLY OVER THE NORTHEAST PLAINS LATER THIS EVENING AND OVERNIGHT. TRAVEL WILL BE HAZARDOUS IN THE AREAS OF HEAVY SNOW DUE TO SLUSHY ROADS AND LOW VISIBILITIES. THE WET HEAVY SNOW WILL WEIGH DOWN TREES AND BREAK BRANCHES. POWER OUTAGES ARE ALSO POSSIBLE WITH THE HEAVY WET SNOW. COZ035-036-038>046-048-049-101245- /O.CON.KBOU.WS.W.0010.000000T0000Z-150510T1500Z/ 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- 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-LOGAN COUNTY-WASHINGTON COUNTY- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FORT COLLINS... HEREFORD...LOVELAND...NUNN...ARVADA...BOULDER...GOLDEN... LAKEWOOD...LONGMONT...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR... BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM...EATON... FORT LUPTON...GREELEY...ROGGEN...BRUSH...FORT MORGAN...GOODRICH... WIGGINS...BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO... LIMON...MATHESON...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS 1032 PM MDT SAT MAY 9 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT SUNDAY... * TIMING...SNOW WILL CONTINUE OVER THE FRONT RANGE FOOTHILLS AND ADJACENT PLAINS TONIGHT WHILE RAIN WILL CHANGE TO SNOW LATER THIS EVENING AND OVERNIGHT OVER THE NORTHEAST PLAINS. * SNOW ACCUMULATIONS...STORM TOTALS 6 TO 14 INCHES...HIGHEST AMOUNTS OVER DOUGLAS...EASTERN AND SOUTHERN PORTIONS OF DENVER. * WIND/VISIBILITY...NORTH TO NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH DEVELOPING LATE TONIGHT AND SUNDAY MORNING. VISIBILITY WILL DROP BELOW A QUARTER MILE IN THE SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. THE WET HEAVY SNOW WILL WEIGH DOWN TREES AND BREAK BRANCHES. SOME POWER OUTAGES MAY ALSO OCCUR. 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. && $$ COZ033-034-101200- /O.CON.KBOU.WS.W.0010.000000T0000Z-150510T1200Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 1032 PM MDT SAT MAY 9 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY... * TIMING...SNOW WILL CONTINUE OVERNIGHT...HEAVY AT TIMES OVER THE EAST SLOPES. * SNOW ACCUMULATIONS...8 TO 16 INCHES...HIGHEST ON FRONT RANGE EAST SLOPES. * WIND/VISIBILITY...ROADS WILL BECOME SLUSHY AND SNOWPACKED AS THE HEAVIER SHOWERS DEVELOP. VISIBILITIES OF LESS THAN ONE QUARTER MILE CAN BE EXPECTED AT TIMES. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ037-101200- /O.EXB.KBOU.WW.Y.0017.000000T0000Z-150510T1200Z/ CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING THE CITIES OF...FAIRPLAY...HARTSEL...LAKE GEORGE... SOUTH PARK 1032 PM MDT SAT MAY 9 2015 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MDT SUNDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 6 AM MDT SUNDAY. * TIMING...SNOW WILL CONTINUE UNTIL SUNDAY MORNING. * SNOW ACCUMULATIONS...SNOW ACCUMULATION OF 4 TO 8 INCHES. * WIND/VISIBILITY...NORTH TO NORTHEAST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED. VISIBILITY WILL DROP BELOW A QUARTER MILE IN THE SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. THE WET HEAVY SNOW WILL WEIGH DOWN TREES AND BREAK BRANCHES. SOME POWER OUTAGES MAY ALSO OCCUR. 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. && $$ COZ050-051-101245- /O.CON.KBOU.WW.Y.0017.000000T0000Z-150510T1800Z/ SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...JULESBURG...OVID...SEDGWICK...AMHERST... HAXTUN...HOLYOKE 1032 PM MDT SAT MAY 9 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT SUNDAY... * TIMING...THE RAIN WILL CHANGE OVER TO SNOW AFTER MIDNIGHT AND CONTINUE THROUGH MUCH OF SUNDAY MORNING. * SNOW ACCUMULATIONS...SNOW ACCUMULATION OF 2 TO 4 INCHES. * WIND/VISIBILITY...NORTH TO NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH DEVELOPING LATE TONIGHT AND SUNDAY MORNING. VISIBILITY WILL DROP BELOW A QUARTER MILE IN THE SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. THE WET HEAVY SNOW WILL WEIGH DOWN TREES AND BREAK BRANCHES. SOME POWER OUTAGES MAY ALSO OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
125 WWUS45 KBOU 101108 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 508 AM MDT SUN MAY 10 2015 ...WINTER STORM WARNING FOR THE NORTH CENTRAL MOUNTAINS AND FRONT RANGE FOOTHILLS EARLY THIS MORNING... ...WINTER STORM WARNING CONTINUES FOR THE PLAINS THIS MORNING... .THE STRONG SPRING STORM THAT BROUGHT ALL THE RAIN AND SNOW TO NORTHEAST COLORADO YESTERDAY AND OVERNIGHT IS NOW MOVING OUT OF THE STATE AND ONTO THE CENTRAL PLAINS. LIGHT SNOW CONTINUES FALLING THIS MORNING ACROSS THE PLAINS...BUT SNOW IS DECREASING OVER THE FOOTHILLS AND ADJACENT PLAINS. DRIER CONDITIONS WILL SPREAD TO THE REMAINDER OF THE NORTHEAST COLORADO PLAINS BY MIDDAY. TRAVEL WILL REMAIN HAZARDOUS THIS MORNING WHERE SLUSHY AND SNOW COVERED ROADS WILL PERSIST UNTIL TEMPERATURES WARM ENOUGH TO MELT DOWN THE SNOW. THE WET HEAVY SNOW WILL ALSO WEIGH DOWN TREES AND BREAK BRANCHES. POWER OUTAGES ARE ALSO POSSIBLE WITH THE HEAVY WET SNOW. COZ035-036-038>046-048-049-101500- /O.CON.KBOU.WS.W.0010.000000T0000Z-150510T1500Z/ 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- 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-LOGAN COUNTY-WASHINGTON COUNTY- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FORT COLLINS... HEREFORD...LOVELAND...NUNN...ARVADA...BOULDER...GOLDEN... LAKEWOOD...LONGMONT...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR... BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM...EATON... FORT LUPTON...GREELEY...ROGGEN...BRUSH...FORT MORGAN...GOODRICH... WIGGINS...BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO... LIMON...MATHESON...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS 508 AM MDT SUN MAY 10 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING... * TIMING...LIGHT SNOW WILL CONTINUE OVER THE PLAINS OF NORTHEAST COLORADO THIS MORNING AND THEN DIMINISH. * SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS SHOULD BE LESS THAN AN INCH THIS MORNING. * WIND/VISIBILITY...NORTH TO NORTHEAST 15 TO 20 MPH WITH SOME GUSTS UP TO 30 MPH WILL OCCUR OVER FAR NORTHEAST COLORADO THIS MORNING. VISIBILITY MAY DROP BELOW A MILE IN THE SNOW AT TIMES THIS MORNING * IMPACTS...TRAVEL WILL BE DIFFICULT AND HAZARDOUS DUE TO SNOW COVERED AND SLUSHY ROADS. THE WET HEAVY SNOW WILL WEIGH DOWN TREES AND BREAK BRANCHES. SOME POWER OUTAGES MAY ALSO OCCUR. 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. && $$ COZ033-034-101215- /O.CON.KBOU.WS.W.0010.000000T0000Z-150510T1200Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 508 AM MDT SUN MAY 10 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT EARLY THIS MORNING... * TIMING...SNOW WILL DECREASE TO SCATTERED SNOW SHOWERS BY MIDDAY. * SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS SHOULD BE LESS THAN 4 INCHES...HIGHEST ON FRONT RANGE EAST SLOPES. * WIND/VISIBILITY...ROADS WILL BE SLUSHY AND SNOWPACKED THIS MORNING. VISIBILITIES OF LESS THAN ONE MILE CAN BE EXPECTED AT TIMES. * IMPACTS...TRAVEL MAY BE DIFFICULT OR HAZARDOUS DUE TO SNOW COVERED ROADS THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ050-051-101800- /O.CON.KBOU.WW.Y.0017.000000T0000Z-150510T1800Z/ SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...JULESBURG...OVID...SEDGWICK...AMHERST... HAXTUN...HOLYOKE 508 AM MDT SUN MAY 10 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY... * TIMING...SNOW WILL CONTINUE FALLING OVER THE NORTHEAST CORNER OF COLORADO THIS MORNING. * SNOW ACCUMULATIONS...SNOW ACCUMULATION OF 2 TO 4 INCHES POSSIBLE. * WIND/VISIBILITY...NORTH TO NORTHEAST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH THIS MORNING. VISIBILITY MAY DROP BELOW A HALF MILE AT TIMES IN THE SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. THE WET HEAVY SNOW WILL WEIGH DOWN TREES AND BREAK BRANCHES. SOME POWER OUTAGES MAY ALSO OCCUR. 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. && $$ COZ037-101215- /O.CON.KBOU.WW.Y.0017.000000T0000Z-150510T1200Z/ CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING THE CITIES OF...FAIRPLAY...HARTSEL...LAKE GEORGE... SOUTH PARK 508 AM MDT SUN MAY 10 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT EARLY THIS MORNING... * TIMING...SNOW WILL BE DIMINISHING THIS MORNING. * SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATION UP TO 3 INCHES. * WIND/VISIBILITY...NORTH TO NORTHEAST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED. VISIBILITY WILL DROP BELOW A QUARTER MILE IN THE SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL WILL BE DIFFICULT DUE TO SNOW COVERED ROADS AND POOR VISIBILITY. THE WET HEAVY SNOW WILL WEIGH DOWN TREES AND BREAK BRANCHES. SOME POWER OUTAGES MAY ALSO OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
437 WWUS45 KBOU 101156 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 556 AM MDT SUN MAY 10 2015 ...WINTER STORM WARNING FOR THE NORTH CENTRAL MOUNTAINS AND FRONT RANGE FOOTHILLS EARLY THIS MORNING... ...WINTER STORM WARNING CONTINUES FOR THE PLAINS THIS MORNING... .THE STRONG SPRING STORM THAT BROUGHT ALL THE RAIN AND SNOW TO NORTHEAST COLORADO YESTERDAY AND OVERNIGHT IS NOW MOVING OUT OF THE STATE AND ONTO THE CENTRAL PLAINS. LIGHT SNOW CONTINUES FALLING THIS MORNING ACROSS THE PLAINS...BUT SNOW IS DECREASING OVER THE FOOTHILLS AND ADJACENT PLAINS. DRIER CONDITIONS WILL SPREAD TO THE REMAINDER OF THE NORTHEAST COLORADO PLAINS BY MIDDAY. TRAVEL WILL REMAIN HAZARDOUS THIS MORNING WHERE SLUSHY AND SNOW COVERED ROADS WILL PERSIST UNTIL TEMPERATURES WARM ENOUGH TO MELT DOWN THE SNOW. THE WET HEAVY SNOW WILL ALSO WEIGH DOWN TREES AND BREAK BRANCHES. POWER OUTAGES ARE ALSO POSSIBLE WITH THE HEAVY WET SNOW. COZ035-036-038>046-048-049-101500- /O.CAN.KBOU.WS.W.0010.000000T0000Z-150510T1500Z/ /O.NEW.KBOU.WS.W.0011.150510T1200Z-150510T1500Z/ 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- 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-LOGAN COUNTY-WASHINGTON COUNTY- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FORT COLLINS... HEREFORD...LOVELAND...NUNN...ARVADA...BOULDER...GOLDEN... LAKEWOOD...LONGMONT...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR... BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM...EATON... FORT LUPTON...GREELEY...ROGGEN...BRUSH...FORT MORGAN...GOODRICH... WIGGINS...BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO... LIMON...MATHESON...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS 556 AM MDT SUN MAY 10 2015 ...WINTER STORM WARNING IN EFFECT UNTIL 9 AM MDT THIS MORNING... THE NATIONAL WEATHER SERVICE IN DENVER IS CONTINUING A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 9 AM MDT THIS MORNING. * TIMING...LIGHT SNOW WILL CONTINUE OVER THE PLAINS OF NORTHEAST COLORADO THIS MORNING AND THEN DIMINISH. * SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS SHOULD BE LESS THAN AN INCH THIS MORNING. * WIND/VISIBILITY...NORTH TO NORTHEAST 15 TO 20 MPH WITH SOME GUSTS UP TO 30 MPH WILL OCCUR OVER FAR NORTHEAST COLORADO THIS MORNING. VISIBILITY MAY DROP BELOW A MILE IN THE SNOW AT TIMES THIS MORNING * IMPACTS...TRAVEL WILL BE DIFFICULT AND HAZARDOUS DUE TO SNOW COVERED AND SLUSHY ROADS. THE WET HEAVY SNOW WILL WEIGH DOWN TREES AND BREAK BRANCHES. SOME POWER OUTAGES MAY ALSO OCCUR. 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. && $$ COZ033-034-101300- /O.CAN.KBOU.WS.W.0010.000000T0000Z-150510T1200Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 556 AM MDT SUN MAY 10 2015 ...WINTER STORM WARNING HAS EXPIRED... THE NATIONAL WEATHER SERVICE IN DENVER HAS ALLOWED THE WINTER STORM WARNING TO EXPIRE. THE WINTER STORM WARNING FOR NORTH CENTRAL COLORADO MOUNTAINS HAS EXPIRED. SIGNIFICANT SNOWFALL IS NO LONGER EXPECTED IN THE WARNING AREA. $$ COZ037-101300- /O.CAN.KBOU.WW.Y.0017.000000T0000Z-150510T1200Z/ CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING THE CITIES OF...FAIRPLAY...HARTSEL...LAKE GEORGE... SOUTH PARK 556 AM MDT SUN MAY 10 2015 ...WINTER WEATHER ADVISORY HAS EXPIRED... THE NATIONAL WEATHER SERVICE IN DENVER HAS ALLOWED THE WINTER WEATHER ADVISORY TO EXPIRE. THE WINTER WEATHER ADVISORY FOR SOUTH PARK HAS EXPIRED. SIGNIFICANT SNOWFALL IS NO LONGER EXPECTED IN THE WARNING AREA. $$ COZ050-051-101800- /O.CON.KBOU.WW.Y.0017.000000T0000Z-150510T1800Z/ SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...JULESBURG...OVID...SEDGWICK...AMHERST... HAXTUN...HOLYOKE 556 AM MDT SUN MAY 10 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY... * TIMING...SNOW WILL CONTINUE FALLING OVER THE NORTHEAST CORNER OF COLORADO THIS MORNING. * SNOW ACCUMULATIONS...SNOW ACCUMULATION OF 2 TO 4 INCHES POSSIBLE. * WIND/VISIBILITY...NORTH TO NORTHEAST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH THIS MORNING. VISIBILITY MAY DROP BELOW A HALF MILE AT TIMES IN THE SNOW AND BLOWING SNOW. * IMPACTS...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS DUE TO HEAVY SNOW...SNOW COVERED ROADS AND POOR VISIBILITY. THE WET HEAVY SNOW WILL WEIGH DOWN TREES AND BREAK BRANCHES. SOME POWER OUTAGES MAY ALSO OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
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 May 9, 4:30 AM MDT, 45 minutes earlier.
Area forecast discussion, May 9, 4:30 AM MDT, 45 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER/BOULDER CO 430 AM MDT SAT MAY 9 2015 .SHORT TERM...(TODAY THROUGH TONIGHT ) ISSUED AT 430 AM MDT SAT MAY 9 2015 THE STAGE HAS BEEN SET FOR A REALLY LONG DAY TODAY AND TONIGHT. AREAS OF HEAVY RAIN YESTERDAY AFTERNOON AND OVERNIGHT HAVE KEPT SOIL MOISTURE CONDITIONS NEAR SATURATION ALONG THE I-25 CORRIDOR AND EASTWARD ONTO THE PLAINS. BANDS OF SHOWERS OVER ELBERT AND MORGAN COUNTIES OVERNIGHT ADDED TO THE RAINS THAT FELL ACROSS JEFFERSON...BOULDER AND WELD COUNTIES LAST EVENING. AND TODAY...THE LATE SEASON UPPER LOW WILL BE APPROACHING SOUTHERN COLORADO WITH EVEN STRONGER DYNAMIC FORCING THAN WE HAD YESTERDAY. SHOWERS ARE ALREADY DEVELOPING OVER PUEBLO AND EL PASO COUNTIES...WITH THEIR SIGHTS SET ON THE I-25 CORRIDOR AND ADJACENT PLAINS. MULTIPLE WAVES OF SHOWERS ARE EXPECTED THROUGH THE DAY AND THIS EVENING AS THE UPPER LOW MOVES INTO SOUTHERN COLORADO BY EVENING. AT THE SURFACE...A DEEPENING SURFACE LOW OVER SOUTHEAST COLORADO WILL HELP TO REINFORCE EASTERLY TO SOUTHEASTERLY WINDS AT LOW LEVELS. DEW POINTS WILL BE IN THE LOWER 50S AS MOISTURE FROM KANSAS IS ADVECTED INTO THE REGION. IN ADDITION TO THE LOCALLY HEAVY RAIN...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE EAST-CENTRAL PART OF THE STATE. THE PRESENCE OF THE VERTICALLY STACKED SURFACE AND UPPER LEVEL LOWS WILL MAKE SUPERCELLS WITH SHORT-LIVED FUNNEL CLOUDS OR TORNADOES A POSSIBILITY. MODEL QPF FORECASTS INDICATE THAT FROM ONE TO TWO INCHES OF RAIN IS POSSIBLE ACROSS MUCH OF THE FORECAST AREA BY THIS EVENING. FLASH FLOOD GUIDANCE VALUES ARE GENERALLY IN THE 1.0 TO 1.4 INCH PER HOUR RANGE DUE TO THE SATURATED SOIL CONDITIONS. WILL BE REPLACING THE FLOOD ADVISORY AND AREAL FLOOD WARNINGS WITH A FLASH FLOOD WATCH THAT EXTENDS FROM THE FOOTHILLS EASTWARD TO WASHINGTON AND LINCOLN COUNTIES. HEAVY RAIN SHOWERS ARE GOING TO PRODUCE RAPID HYDROLOGIC RESPONSES IN CREEKS AND RIVERS AS WELL AS FLOODING PROBLEMS IN MORE URBAN AREAS. THE FLASH FLOOD WATCH WILL BE IN EFFECT FROM NOON THROUGH 9 PM. LATER TONIGHT...THE COLD AIR ASSOCIATED WITH THE UPPER LOW WILL DROP TEMPERATURES ENOUGH FOR THE SNOW LEVEL TO DROP DOWN TO 6000 FEET OR LESS. IN THE MOUNTAINS...THE COPIOUS MOISTURE AND COLD TEMPERATURES WILL COMBINE FOR HEAVY SNOW ACCUMULATIONS FROM LATE THIS AFTERNOON THROUGH THE NIGHT. UP TO A FOOT OF NEW SNOW IS EXPECTED OVER THE HIGHEST ELEVATIONS. WILL UPGRADE THE WINTER STORM WATCH TO A WINTER STORM WARNING TO COVER THIS SITUATION. ON THE PLAINS...SNOW ACCUMULATIONS OF A COUPLE INCHES WILL BE POSSIBLE...DEPENDING ON WHEN RAIN CHANGES OVER TO SNOW. .LONG TERM...(SUNDAY THROUGH FRIDAY) ISSUED AT 430 AM MDT SAT MAY 9 2015 THE UPPER LEVEL STORM SYSTEM WILL BE NR THE CO/KS/NE BORDER AREA BY 12Z AND THEN MOVE INTO NCNTRL NE BY LATE AFTN. QG ASCENT WILL GRADUALLY SHIFT NE OF THE AREA AS WELL DURING THE MORNING HOURS WITH PCPN ENDING BY MID MORNING ALONG THE FRONT RANGE AND BY NOON OVER THE FAR ERN PLAINS. THERE IS STILL SOME POTENTIAL FOR HEAVIER SNOW OVER PORTIONS OF THE PLAINS THRU MID MORNING BEFORE THE PCPN SHIFTS AWAY FM THE AREA. IN ADDITION GUSTY NLY WINDS WILL BE IN PLACE AS WELL WHICH WILL CREATE VERY POOR VISIBILITIES IN OPEN AREAS. IN THE MTNS THERE WILL BE FAVORABLE OROGRAPHICS THRU THE DAY HOWEVER MOISTURE SHOULD BEGIN TO DECREASE BY AFTN. ADDITIONAL ACCUMULATIONS SHOULD BE MANLY ON THE LIGHT SIDE. AS FOR HIGHS ON SUN READINGS WILL STAY MAINLY IN THE 40S OVER NERN CO. BY MON A FLAT UPPER LEVEL RIDGE WILL BUILD OVER THE AREA WITH MAINLY DRY CONDITIONS. ENOUGH MOISTURE MAY LINGER IN THE MTNS FOR SOME WDLY SCT SHOWERS. TEMPS WILL REMAIN COOL OVER NERN CO AS READINGS ONLY RISE INTO THE 50S FOR AFTN HIGHS. ON TUE THE FLOW ALOFT WILL BECOME MORE SWLY AS SFC LOW PRES DEVELOPS FM CNTRL WY INTO CNTRL CO. THIS WILL ALLOW FOR INCREASE IN LOW LVL MOISTURE OVER NERN CO BY AFTN IN SELY FLOW. OVERALL THERE WILL BE ENOUGH INSTABILITY BY AFTN TO MENTION SOME WDLY SCT TSTMS. TEMPS SHOULD FINALLY RISE BACK TO SEASIONAL LEVELS OVER NERN CO. ON WED THE FLOW ALOFT WILL REMAIN SWLY AS SFC LOW PRES EXTENDS FM CNTRL WY INTO ERN CO. LOW LVL MOISTURE WILL CONTINUE TO INCREASE OVER NERN CO IN SELY FLOW WITH HIGHER CAPES. OVERALL WILL CONTINUE WITH A CHC OF TSTMS OVER THE PLAINS. IN THE MTNS ENOUGH MOISTURE WILL EXIST FOR AT LEAST SOME WDLY SCT TSTMS. HIGHS ON WED WILL RISE INTO THE UPPER 60S TO LOWER 70S OVER NERN CO. BY THU SWLY FLOW ALOFT WILL REMAIN OVER THE AREA. THE GFS SHOWS A DISTURBANCE MOVING ACROSS THE AREA WHILE THE ECMWF DOES NOT. AT THIS POINT WILL KEEP IN A SLIGHT CHC IN ALL AREAS FOR THE AFTN AND EVENING HOURS. IN ADDITION THE GFS SHOWS A WK FNT MOVING INTO NERN CO WHILE THE ECMWF DOES NOT. FOR NOW WILL KEEP HIGHS SIMILAR TO WED ACROSS NERN CO. BY FRI AN UPPER LEVEL TROUGH WILL DVLP OVER THE GREAT BASIN WITH SWLY FLOW REMAINING OVER THE AREA. THUS WILL KEEP IN A SLIGHT CHC OF TSTMS OVER THE AREA WITH TEMPS NEAR SEASONAL LEVELS. && .AVIATION...(FOR THE TAFS THROUGH 12Z SUNDAY MORNING) ISSUED AT 430 AM MDT SAT MAY 9 2015 LOW CEILINGS AND PERIODS OF RAIN WILL DOMINATE THE FORECAST TODAY. THE RAIN COULD BE HEAVY AT TIMES ALONG WITH SOME EMBEDDED THUNDERSTORMS. IFR CONDITIONS WILL BE THE RULE WITH ONLY TEMPORARY IMPROVEMENT BETWEEN PASSING RAIN SHOWERS. TEMPERATURES WILL REMAIN WARM ENOUGH FOR RAIN INTO THE MID-EVENING. AFTER ABOUT 10 PM...TEMPERATURES WILL BE COOLING OFF AND A MIX OF RAIN AND SNOW IS EXPECTED. SOMETIME AFTER MIDNIGHT THE PRECIPITATION MAY CHANGE TO ALL SNOW WITH ONE OR TWO INCHES OF ACCUMULATION BY SUNRISE. && .HYDROLOGY... ISSUED AT 430 AM MDT SAT MAY 9 2015 A PERFECT STORM...SO TO SPEAK...AS HEAVY RAIN IS EXPECTED TO FALL ON ALREADY SATURATED SOILS. RIVER RESPONSES TO THE HEAVY RAIN WILL BE RAPID...WITH RIVERS...CREEKS AND STREAMS ALREADY RUNNING CLOSE TO BANKFULL CONDITIONS. THE FLASH FLOOD WATCH WILL HIGHLIGHT THE FACT THAT IT IS NOT GOING TO TAKE MUCH RAIN TO CAUSE PROBLEMS. HEAVY RAIN WILL BE POSSIBLE FROM THE FOOTHILLS WHERE UPSLOPE FORCING WILL BE STRONGEST OUT ACROSS THE PLAINS WHERE MANY AREAS HAVE SEEN PERIODS OF HEAVY RAIN OVER THE LAST COUPLE DAYS. TOO MUCH WATER AND NOWHERE TO STORE IT. A FLOOD WARNING FOR THE SOUTH PLATTE RIVER FROM GREELEY OUT TO THE NORTHEAST CORNER OF THE STATE WILL BE IN EFFECT FOR THE NEXT FEW DAYS. && .BOU WATCHES/WARNINGS/ADVISORIES... FLASH FLOOD WATCH FROM NOON MDT TODAY THROUGH THIS EVENING FOR COZ035-036-038>047-049. WINTER STORM WARNING FROM NOON TODAY TO 6 AM MDT SUNDAY FOR COZ033-034. && SHORT TERM...DANKERS LONG TERM...RPK AVIATION...DANKERS HYDROLOGY...DANKERS
Hazardous weather outlook, May 8, 11:14 AM MDT, 18 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1114 AM MDT FRI MAY 8 2015 COZ030>051-091715- 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- 1114 AM MDT FRI MAY 8 2015 ...WINTER STORM WATCH SATURDAY AFTERNOON THROUGH SATURDAY NIGHT IN THE MOUNTAINS... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...THIS AFTERNOON AND TONIGHT THE WET AND COOL WEATHER PATTERN ACROSS COLORADO WILL CONTINUE TODAY AND TONIGHT AS UPSLOPE WINDS AT LOW LEVELS COMBINE WITH SOUTHWEST FLOW ALOFT TO PRODUCE PERIODS OF LIGHT TO MODERATE RAIN. SOME THUNDERSTORMS MAY BE EMBEDDED WITHIN THE MORE WIDESPREAD RAIN SHIELD...PRODUCING LOCALLY HEAVY RAINFALL AT TIMES. THERE IS ALSO A SLIGHT RISK OF SEVERE THUNDERSTORMS ON THE EASTERN PORTIONS OF THE PALMER DIVIDE. LARGE HAIL...DAMAGING WINDS AND POSSIBLY A BRIEF FUNNEL CLOUD OR SHORT-LIVED TORNADO WILL BE THE PRIMARY THREATS. RIVERS AND STREAMS WILL BE RUNNING HIGH FROM THE RECENT DAYS OF WET WEATHER AND WILL CONTINUE TO BE MONITORED CLOSELY. THE SNOW LEVEL IN THE MOUNTAINS WILL BE AROUND 9000 FEET TODAY LOWERING TO ABOUT 8500 FEET TONIGHT. AREAS ABOUT 9000 FEET COULD SEEN 1 TO 3 INCHES OF SNOW WHILE UP TO 5 INCHES WILL BE POSSIBLE IN AREAS ABOVE 10500 FEETE. THE MOUNTAIN PASSES WILL MAINLY BE WET BUT COULD HAVE BECOME SNOW AND SLUSH COVERED AT TIMES ESPECIALLY DURING HEAVIER SHOWERS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A STORM SYSTEM WILL MOVE FROM THE FOUR CORNERS SATURDAY INTO SOUTHEAST COLORADO SATURDAY NIGHT AND THEN INTO NORTHWEST KANSAS BY SUNDAY MORNING. THIS SYSTEM TRIGGER MORE SHOWERS AND THUNDERSTORMS SATURDAY WITH HEAVY SNOW POSSIBLE IN THE MOUNTAINS BY AFTERNOON. A FEW SEVERE STORMS WILL BE POSSIBLE ACROSS THE PLAINS SATURDAY AFTERNOON THROUGH EARLY SATURDAY EVENING. HEAVY RAIN...LARGE HAIL AND ISOLATED TORNADOES ARE THE MAIN THREATS WITH THE SEVERE STORMS. BY SATURDAY NIGHT...COLDER TEMPERATURES WILL MOVE INTO NORTHEAST COLORADO WHICH WILL ALLOW THE RAIN TO CHANGE TO SNOW. THERE IS A CHANCE FOR A BAND OF HEAVY WET SNOW SOMEHWERE ALONG THE FRONT RANGE AND ACROSS THE PLAINS INTO EARLY SUNDAY. TRAVEL IN THE MOUNTAINS MAY BECOME DIFFICULT AT TIMES DUE TO SNOW COVERED ROADS...ESPECIALLY SATURDAY AFTERNOON THROUGH SATURDAY NIGHT. A DRYING TREND IS EXPECTED BY EARLY NEXT WEEK AS A FLAT UPPER LEVEL RIDGE BUILDS OVER THE AREA. TEMPERATURES WILL ALSO GRADUALLY RETURN TO SEASONAL NORMALS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 9:24 PM MDT | Areal Flood Warning | BOU | Boulder, Broomfield, Larimer, Weld | 12 hr |
| May 8, 10:02 PM MDT | River Flood Warning | BOU | Weld | 5 days |
| May 8, 10:02 PM MDT | River Flood Warning | BOU | Logan, Morgan, Washington | 6 days |
| May 8, 11:19 PM MDT | Flash Flood Warning | BOU | Elbert | 3 hr |
| May 9, 3:07 AM MDT | Flash Flood Warning | BOU | Morgan | 3 hr |
| May 9, 3:26 AM MDT | Severe Thunderstorm Warning | BOU | Logan | 34 min |
| May 9, 4:49 AM MDT | Flash Flood Warning | BOU | Logan | 3 hr |
| May 9, 5:10 AM MDT | Flash Flood Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 11 more | 15 hr |
| May 9, 5:12 AM MDT | Areal Flood Advisory | BOU | Douglas, Elbert | 3 hr |
| May 9, 5:51 AM MDT | Areal Flood Advisory | BOU | Arapahoe | 3 hr |
| May 9, 6:53 AM MDT | Areal Flood Advisory | BOU | Adams, Arapahoe, Elbert, Morgan, Weld | 3 hr |
| May 9, 7:51 AM MDT | Flash Flood Warning | BOU | Adams, Arapahoe, Morgan | 3 hr |
| May 9, 8:25 AM MDT | Flash Flood Warning | BOU | Morgan | 3 hr |
| May 9, 8:50 AM MDT | Areal Flood Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 3 more | 12 hr |
| May 9, 8:56 AM MDT | Areal Flood Advisory | BOU | Elbert, Lincoln | 3 hr |
| May 9, 9:09 AM MDT | Winter Storm Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 11 more | 4 hr |
| May 9, 9:21 AM MDT | Areal Flood Advisory | BOU | Logan | 3 hr |
| May 9, 10:52 AM MDT | Areal Flood Warning | BOU | Adams, Arapahoe, Elbert, Logan, Morgan, Washington and 1 more | 9 hr |
| May 9, 11:43 AM MDT | Areal Flood Advisory | BOU | Elbert, Lincoln | 3 hr |
| May 9, 12:23 PM MDT | River Flood Warning | BOU | Morgan | 5 days |
| May 9, 12:23 PM MDT | River Flood Warning | BOU | Sedgwick | 8 days |
| May 9, 12:23 PM MDT | River Flood Warning | BOU | Weld | 7 days |
| May 9, 12:34 PM MDT | Areal Flood Warning | BOU | Weld | 9 hr |
| May 9, 1:07 PM MDT | Winter Weather Advisory | BOU | Park, Phillips, Sedgwick | 20 hr |
| May 9, 4:10 PM MDT | Tornado Warning | BOU | Elbert | 35 min |
| May 9, 4:17 PM MDT | Tornado Warning | BOU | Lincoln | 17 min |
| May 9, 4:37 PM MDT | Tornado Warning | BOU | Elbert, Lincoln | 23 min |
| May 9, 4:41 PM MDT | Tornado Warning | BOU | Elbert | 34 min |
| May 9, 5:36 PM MDT | Special Weather Statement | BOU | Lincoln | 54 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.