Alert archive / Colorado / Winter Storm Warnings in 2013
Winter Storm Warning 10, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at Apr 30, 2013, 4:05 AM MDT for 12 counties in Colorado. It took effect at Apr 30, 2013, 6:00 PM MDT. It was in force for 26 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 30, 2013, 4:05 AM MDT (10:05 UTC)
- In effect from
- Apr 30, 2013, 6:00 PM MDT
- Expired
- May 1, 2013, 8:26 PM MDT
- In force
- 26 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Boulder County, CO, Broomfield 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, Weld County, CO
The radar
The Denver radar (KFTG), 82 km from the middle of the area, began a volume at 10:10 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 1, 1:49 AM MDT | HEAVY SNOW 6.8 | 2 N Longmont, CO | |
| May 1, 1:49 AM MDT | HEAVY SNOW 8 | 3 W Conifer, CO | |
| May 1, 1:49 AM MDT | HEAVY SNOW 9 | Ken Caryl, CO | |
| May 1, 1:49 AM MDT | HEAVY SNOW 9.8 | 3 Nw Idledale, CO | |
| May 1, 4:15 AM MDT | SNOW 1.5 | 3 W Greeley, CO | |
| May 1, 4:44 AM MDT | HEAVY SNOW 11 | 6 Ssw Glendevey, CO | RAWAH SNOTEL SITE |
| May 1, 4:44 AM MDT | HEAVY SNOW 12 | 9 Ese Four Corners, CO | DEADMAN HILL SNOTEL SITE |
| May 1, 4:45 AM MDT | HEAVY SNOW 7.1 | Fort Collins, CO | |
| May 1, 4:47 AM MDT | HEAVY SNOW 11 | 6 Wsw Trail Ridge, CO | PHANTOM VALLEY SNOTEL SITE |
| May 1, 4:54 AM MDT | HEAVY SNOW 13 | 8 Sse Rand, CO | WILLOW CREEK PASS SNOTEL SITE |
| May 1, 4:54 AM MDT | HEAVY SNOW 18 | 1 Nnw Cameron Pass, CO | JOE WRIGHT SNOTEL SITE |
| May 1, 4:58 AM MDT | HEAVY SNOW 16 | 5 N Trail Ridge, CO | LONG DRAW RESERVOIR SNOTEL SITE |
| May 1, 5:00 AM MDT | HEAVY SNOW 10 | 7 W Four Corners, CO | ROACH SNOTEL SITE |
| May 1, 5:01 AM MDT | HEAVY SNOW 13 | 9 Ese Four Corners, CO | DEADMAN HILL SNOTEL SITE |
| May 1, 5:01 AM MDT | HEAVY SNOW 14 | 1 E Trail Ridge, CO | WILLOW PARK SNOTEL SITE |
| May 1, 6:00 AM MDT | SNOW 1 | 1 Ssw Lafayette, CO | |
| May 1, 6:00 AM MDT | SNOW 1.8 | 1 Nw Niwot, CO | |
| May 1, 6:00 AM MDT | HEAVY SNOW 7.2 | 4 N Loveland, CO | |
| May 1, 6:05 AM MDT | HEAVY SNOW 8.7 | 4 E Fort Collins, CO | |
| May 1, 6:05 AM MDT | HEAVY SNOW 11 | 6 Sw Fort Collins, CO | |
| May 1, 6:24 AM MDT | HEAVY SNOW 1.5 | 10 Ne Pawnee Buttes, CO | |
| May 1, 6:55 AM MDT | SNOW 2.1 | 3 N Conifer, CO | |
| May 1, 6:55 AM MDT | HEAVY SNOW 13 | 4 E Masonville, CO | |
| May 1, 7:00 AM MDT | SNOW 2 | 1 Ese Wheat Ridge, CO | |
| May 1, 7:00 AM MDT | SNOW 2.2 | Genesee, CO | |
| May 1, 7:00 AM MDT | SNOW 2.8 | 2 Ssw Boulder, CO | DAVID SKAGGS RESEARCH CENTER |
| May 1, 7:00 AM MDT | HEAVY SNOW 7.5 | 4 S Fort Collins, CO | |
| May 1, 7:00 AM MDT | HEAVY SNOW 8.2 | 4 Nne Timnath, CO | |
| May 1, 7:00 AM MDT | HEAVY SNOW 8.2 | 5 Ne Ward, CO | 1.08 INCHES OF LIQUID |
| May 1, 7:00 AM MDT | HEAVY SNOW 9 | 1 E Fort Collins, CO | |
| May 1, 7:00 AM MDT | HEAVY SNOW 9 | 7 W Rustic, CO | |
| May 1, 7:00 AM MDT | HEAVY SNOW 9 | 8 Nnw Four Corners, CO | |
| May 1, 7:00 AM MDT | HEAVY SNOW 13.2 | 2 Sse Estes Park, CO | |
| May 1, 7:00 AM MDT | HEAVY SNOW 24 | 3 Wnw Pingree Park, CO | HOURGLASS RESERVOIR 1.75 LIQUID |
| May 1, 7:00 AM MDT | HEAVY SNOW 28.2 | 1 E Buckhorn Mountain, CO | |
| May 1, 7:10 AM MDT | SNOW 4.8 | 3 N Black Hawk, CO | |
| May 1, 7:24 AM MDT | HEAVY SNOW 6.4 | 4 Ene Nederland, CO | |
| May 1, 7:28 AM MDT | SNOW 2 | 3 Wsw Conifer, CO | |
| May 1, 7:28 AM MDT | SNOW 2 | Arvada, CO | |
| May 1, 7:28 AM MDT | SNOW 4 | 4 W Boulder, CO | |
| May 1, 7:28 AM MDT | HEAVY SNOW 7.4 | 1 Se Wellington, CO | |
| May 1, 7:28 AM MDT | HEAVY SNOW 12 | 7 Ene Virginia Dale, CO | 1.41 LIQUID |
| May 1, 7:30 AM MDT | SNOW 1 | Lakewood, CO | |
| May 1, 7:30 AM MDT | SNOW 1.5 | 1 N Lafayette, CO | |
| May 1, 7:30 AM MDT | SNOW 1.5 | 5 Wnw Brighton, CO | |
| May 1, 7:30 AM MDT | SNOW 2 | 6 N Westminster, CO | |
| May 1, 7:30 AM MDT | SNOW 3 | 6 Nw Greeley, CO | |
| May 1, 7:30 AM MDT | SNOW 3 | Broomfield, CO | |
| May 1, 7:30 AM MDT | SNOW 3.5 | Hygiene, CO | |
| May 1, 7:30 AM MDT | SNOW 4 | 7 S Lyons, CO | |
| May 1, 7:30 AM MDT | HEAVY SNOW 6 | Aspen Springs, CO | |
| May 1, 7:30 AM MDT | HEAVY SNOW 6.5 | 1 Nw Nederland, CO | |
| May 1, 7:30 AM MDT | HEAVY SNOW 7 | 2 Ne Fort Collins, CO | |
| May 1, 7:38 AM MDT | SNOW 2.5 | 1 S Evergreen, CO | |
| May 1, 8:00 AM MDT | SNOW 1 | 3 Wsw Roxborough Park, CO | |
| May 1, 8:00 AM MDT | SNOW 2.6 | Nw Bailey, CO | |
| May 1, 8:00 AM MDT | SNOW 3 | 2 Ene Bergen Park, CO | |
| May 1, 8:00 AM MDT | SNOW 3 | N Fairplay, CO | |
| May 1, 8:00 AM MDT | SNOW 3.3 | N Longmont, CO | |
| May 1, 8:00 AM MDT | SNOW 4.5 | N Longmont, 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 (KDNR), launched 00:00Z, 10.1 hours before the alert went out and 193 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
- 4783 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
664 WWUS45 KBOU 301005 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 405 AM MDT TUE APR 30 2013 ...ANOTHER LATE SPRING SNOW STORM TO AFFECT NORTH CENTRAL AND NORTHEASTERN COLORADO TONIGHT INTO WEDNESDAY... .A STORM SYSTEM WILL DROP SOUTHEAST INTO COLORADO TODAY... IT WILL BE COOLER TODAY FOLLOWING THE PASSAGE OF A COLD FRONT THAT MOVED INTO THE DENVER AREA EARLY THIS MORNING. A STRONGER COLD FRONT IS EXPECTED LATE THIS AFTERNOON OR EARLY THIS EVENING WHICH WILL CREATE MUCH COLDER UPSLOPE CONDITIONS TONIGHT AND WEDNESDAY. RAIN WILL CHANGE OVER TO SNOW FROM NORTH TO SOUTH THIS EVENING. STRENGTHENING UPSLOPE CONDITIONS WILL BRING MORE SNOW ACCUMULATION LATE TONIGHT AND WEDNESDAY IN AND NEAR THE FOOTHILLS AND EASTERN SLOPES OF THE FRONT RANGE MOUNTAINS. GOOD MOISTURE AND LIFT WITH THIS SYSTEM WILL COMBINE WITH TEMPERATURES DROPPING NEAR 25 DEGREES FROM THIS AFTERNOON TO WEDNESDAY. AS A RESULT... SIGNIFICANT SNOWFALL AMOUNTS CAN BE EXPECTED...ESPECIALLY IN AND NEAR THE FRONT RANGE MOUNTAINS AND FOOTHILLS ALONG AND NORTH OF INTERSTATE 70. COZ033-035-301815- /O.UPG.KBOU.WS.A.0009.130501T0000Z-130502T0000Z/ /O.NEW.KBOU.WS.W.0010.130501T0000Z-130502T0000Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...ESTES PARK... GLENDEVEY...NEDERLAND...RED FEATHER LAKES 405 AM MDT TUE APR 30 2013 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...THIS EVENING THROUGH WEDNESDAY AFTERNOON. * SNOW ACCUMULATIONS...8 TO 16 INCHES...HEAVIEST ALONG EAST FACING SLOPES. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...ROADS WILL BECOME SLUSHY THIS EVENING...THEN ICY AND SNOWPACKED LATE TONIGHT AND WEDNESDAY...CREATING HAZARDOUS DRIVING CONDITIONS. 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. && $$ COZ039-301815- /O.EXA.KBOU.WS.A.0009.130501T0000Z-130502T0000Z/ BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT 405 AM MDT TUE APR 30 2013 ...WINTER STORM WATCH IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY AFTERNOON. * TIMING...TUESDAY EVENING THROUGH WEDNESDAY AFTERNOON. * SNOW ACCUMULATIONS...5 TO 9 INCHES POSSIBLE. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...RECENT WARM TEMPERATURES WILL CAUSE PAVED SURFACES TO BEGIN WET THIS EVENING. BY LATE TONIGHT INTO EARLY WEDNESDAY MORNING...AS MUCH COLDER AIR CONTINUES TO MOVE IN...THOSE ROADWAYS MAY BECOME ICY...SNOWPACKED AND SLICK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ COZ034-036-301815- /O.EXA.KBOU.WS.A.0009.130501T0000Z-130502T0000Z/ SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...BERTHOUD PASS...BRECKENRIDGE... EAST SLOPES MOSQUITO RANGE...EAST SLOPES SOUTHERN GORE RANGE... EISENHOWER TUNNEL...INDIAN PEAKS...KENOSHA MOUNTAINS... MOUNT EVANS...WILLIAMS FORK MOUNTAINS...WINTER PARK...BAILEY... CENTRAL CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 405 AM MDT TUE APR 30 2013 ...WINTER STORM WATCH IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY AFTERNOON. * TIMING...THIS EVENING THROUGH WEDNESDAY AFTERNOON. * SNOW ACCUMULATIONS...8 TO 14 INCHES POSSIBLE. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...ROADS WILL BECOME SLUSHY THIS EVENING THEN ICY AND SNOWPACKED LATE TONIGHT AND WEDNESDAY...PRODUCING HAZARDOUS DRIVING CONDITIONS. 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. && $$ COZ038-301815- /O.CON.KBOU.WS.A.0009.130501T0000Z-130502T0000Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN 405 AM MDT TUE APR 30 2013 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY AFTERNOON... * TIMING...TUESDAY EVENING THROUGH WEDNESDAY AFTERNOON. * SNOW ACCUMULATIONS...6 TO 10 INCHES POSSIBLE. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...RECENT WARM TEMPERATURES WILL CAUSE PAVED SURFACES TO BEGIN WET THIS EVENING. LATE TONIGHT INTO EARLY WEDNESDAY MORNING...AS MUCH COLDER AIR CONTINUES TO MOVE IN...THOSE ROADWAYS MAY BECOME ICY...SNOWPACKED AND SLICK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
7 follow-up statements
538 WWUS45 KBOU 301812 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1212 PM MDT TUE APR 30 2013 ...ANOTHER LATE SPRING SNOW STORM TO AFFECT NORTH CENTRAL AND NORTHEASTERN COLORADO TONIGHT INTO WEDNESDAY... .A STORM SYSTEM WILL DROP SOUTHEAST INTO COLORADO LATER THIS AFTERNOON AS RAIN AND SNOW SHOWERS DEVELOP NEAR THE WYOMING BORDER THIS AFTERNOON. SNOW WILL BECOME MORE WIDESPREAD THIS EVENING OVER THE NORTHERN MOUNTAINS BEFORE SLOWLY SPREADING SOUTH AND EAST OVER NORTHERN PORTIONS OF COLORADO. RAIN WILL CHANGE OVER TO SNOW FROM NORTH TO SOUTH LATER THIS EVENING BECOMING ALL SNOW LATER TONIGHT ON THE PLAINS. STRENGTHENING UPSLOPE CONDITIONS WILL BRING MORE SNOW ACCUMULATION LATE TONIGHT AND WEDNESDAY IN AND NEAR THE FOOTHILLS AND EASTERN SLOPES OF THE FRONT RANGE MOUNTAINS. GOOD MOISTURE AND LIFT WITH THIS SYSTEM WILL COMBINE WITH TEMPERATURES DROPPING NEAR 25 DEGREES ON WEDNESDAY. AS A RESULT... SIGNIFICANT SNOWFALL AMOUNTS CAN BE EXPECTED...ESPECIALLY IN AND NEAR THE FRONT RANGE MOUNTAINS AND FOOTHILLS ALONG AND NORTH OF INTERSTATE 70. LIGHTER AMOUNTS ARE EXPECTED FURTHER EAST OVER THE PLAINS. COZ034-036-010215- /O.UPG.KBOU.WS.A.0009.130501T0000Z-130502T0000Z/ /O.EXB.KBOU.WS.W.0010.130501T0600Z-130502T0600Z/ SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...BERTHOUD PASS...BRECKENRIDGE... EAST SLOPES MOSQUITO RANGE...EAST SLOPES SOUTHERN GORE RANGE... EISENHOWER TUNNEL...INDIAN PEAKS...KENOSHA MOUNTAINS... MOUNT EVANS...WILLIAMS FORK MOUNTAINS...WINTER PARK...BAILEY... CENTRAL CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 1212 PM MDT TUE APR 30 2013 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT WEDNESDAY NIGHT... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT WEDNESDAY NIGHT. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL BECOME WIDESPREAD AFTER MIDNIGHT AND CONTINUE THROUGH WEDNESDAY AFTERNOON. * SNOW ACCUMULATIONS...7 TO 14 INCHES POSSIBLE. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...ROADS WILL BECOME SLUSHY LATER TONIGHT THEN ICY AND SNOWPACKED BY WEDNESDAY MORNING...PRODUCING HAZARDOUS DRIVING CONDITIONS. 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. && $$ COZ039-010215- /O.UPG.KBOU.WS.A.0009.130501T0000Z-130502T0000Z/ /O.EXB.KBOU.WS.W.0010.130501T0600Z-130502T0600Z/ BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT 1212 PM MDT TUE APR 30 2013 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT WEDNESDAY NIGHT... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT WEDNESDAY NIGHT. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...RAIN AND SNOW SHOWERS WILL DEVELOP THIS EVENING THEN CHANGING TO ALL SNOW AFTER MIDNIGHT AND CONTINUING THROUGH WEDNESDAY EVENING. * SNOW ACCUMULATIONS...5 TO 10 INCHES POSSIBLE. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...RECENT WARM TEMPERATURES WILL CAUSE PAVED SURFACES TO BEGIN WET THIS EVENING. BY LATE TONIGHT INTO EARLY WEDNESDAY MORNING...AS MUCH COLDER AIR CONTINUES TO MOVE IN... THOSE ROADWAYS MAY BECOME ICY...SNOWPACKED AND SLICK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ038-010215- /O.UPG.KBOU.WS.A.0009.130501T0000Z-130502T0000Z/ /O.EXA.KBOU.WS.W.0010.130501T0000Z-130502T0000Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN 1212 PM MDT TUE APR 30 2013 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...A MIX OF RAIN AND SNOW WILL TURN TO ALL SNOW LATER THIS EVENING AND CONTINUE THROUGH WEDNESDAY AFTERNOON. * SNOW ACCUMULATIONS...6 TO 12 INCHES POSSIBLE. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...RECENT WARM TEMPERATURES WILL CAUSE PAVED SURFACES TO BEGIN WET THIS EVENING. LATE TONIGHT INTO EARLY WEDNESDAY MORNING...AS MUCH COLDER AIR CONTINUES TO MOVE IN...THOSE ROADWAYS MAY BECOME ICY...SNOWPACKED AND SLICK. 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. && $$ COZ033-035-010215- /O.CON.KBOU.WS.W.0010.130501T0000Z-130502T0000Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...ESTES PARK... GLENDEVEY...NEDERLAND...RED FEATHER LAKES 1212 PM MDT TUE APR 30 2013 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT WEDNESDAY... * TIMING...SNOW WILL BE WIDESPREAD THIS EVENING AND CONTINUE THROUGH WEDNESDAY AFTERNOON. * SNOW ACCUMULATIONS...10 TO 20 INCHES...HEAVIEST ALONG EAST FACING SLOPES. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...ROADS WILL BECOME SLUSHY THIS EVENING...THEN ICY AND SNOWPACKED LATE TONIGHT AND WEDNESDAY...CREATING HAZARDOUS DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ030>032-010215- /O.NEW.KBOU.WW.Y.0018.130501T0000Z-130502T0000Z/ JACKSON COUNTY BELOW 9000 FEET- WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 1212 PM MDT TUE APR 30 2013 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT WEDNESDAY. * TIMING...SCATTERED RAIN AND SNOW SHOWERS WILL DEVELOP THIS EVENING AND BECOME ALL SNOW TOWARDS MIDNIGHT. THE SNOW WILL CONTINUE THROUGH WEDNESDAY. * SNOW ACCUMULATIONS...4 TO 9 INCHES. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. | * IMPACTS...ROADS WILL BECOME ICY AND SNOW PACKED LATER TONIGHT. 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. && $$ COZ040>043-010215- /O.NEW.KBOU.WW.Y.0018.130501T0600Z-130502T0600Z/ NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY- INCLUDING THE CITIES OF...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR... BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM...EATON... FORT LUPTON...GREELEY...ROGGEN 1212 PM MDT TUE APR 30 2013 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT WEDNESDAY NIGHT... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT WEDNESDAY NIGHT. * TIMING...SCATTERED RAIN AND SNOW SHOWERS THIS EVENING WILL TURN TO ALL SNOW AFTER MIDNIGHT AND CONTINUE THROUGH WEDNESDAY EVENING. * SNOW ACCUMULATIONS...4 TO 7 INCHES * VISIBILITY...MAY BE REDUCED TO UNDER A MILE AT TIMES IN SNOW. * IMPACTS...ROADS MAY BECOME ICY AND SLUSHY BY DAWN ON WEDNESDAY...ESPECIALLY OVER BRIDGES AND OVERPASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
162 WWUS45 KBOU 010355 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 955 PM MDT TUE APR 30 2013 ...SNOW AND RAIN SPREADING SOUTHWARD FROM NORTHERN COLORADO... .RAIN AND SNOW THAT FELL OVER THE NORTHERN FRONT RANGE MOUNTAINS AND ADJACENT PLAINS THROUGH MUCH OF THIS EVENING HAD BEGUN SPREADING SOUTHWARD TOWARDS THE DENVER METRO AREA AT 930 PM. AREAS OF RAIN AND SNOW WILL SPREAD THE FURTHER SOUTHWARD TO THE PALMER DIVIDE DURING THE OVERNIGHT HOURS. RAIN WILL CHANGE OVER TO SNOW FROM NORTH TO SOUTH AFTER MIDNIGHT. STRENGTHENING UPSLOPE CONDITIONS OVERNIGHT WILL BRING SNOW ACCUMULATION THROUGH WEDNESDAY IN AND NEAR THE FOOTHILLS AND EASTERN SLOPES OF THE FRONT RANGE MOUNTAINS. GOOD MOISTURE AND LIFT WITH THIS SYSTEM WILL COMBINE WITH TEMPERATURES DROPPING NEAR 25 DEGREES ON WEDNESDAY. AS A RESULT...SIGNIFICANT SNOWFALL AMOUNTS CAN BE EXPECTED...ESPECIALLY IN THE FRONT RANGE MOUNTAINS AND FOOTHILLS ALONG AND NORTH OF INTERSTATE 70. LIGHTER AMOUNTS ARE EXPECTED FURTHER EAST OVER THE PLAINS. COZ033-035-038-011200- /O.CON.KBOU.WS.W.0010.000000T0000Z-130502T0000Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...ESTES PARK... GLENDEVEY...NEDERLAND...RED FEATHER LAKES...FORT COLLINS... HEREFORD...LOVELAND...NUNN 955 PM MDT TUE APR 30 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT WEDNESDAY... * TIMING...SNOW WILL BE WIDESPREAD OVERNIGHT AND CONTINUE THROUGH WEDNESDAY AFTERNOON. * SNOW ACCUMULATIONS...10 TO 20 INCHES...HEAVIEST ALONG EAST FACING SLOPES. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...ROADS MAY BECOME ICY AND SNOWPACKED LATE TONIGHT AND WEDNESDAY...CREATING HAZARDOUS DRIVING CONDITIONS. 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. && $$ COZ034-036-011200- /O.CON.KBOU.WS.W.0010.130501T0600Z-130502T0600Z/ SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...BERTHOUD PASS...BRECKENRIDGE... EAST SLOPES MOSQUITO RANGE...EAST SLOPES SOUTHERN GORE RANGE... EISENHOWER TUNNEL...INDIAN PEAKS...KENOSHA MOUNTAINS... MOUNT EVANS...WILLIAMS FORK MOUNTAINS...WINTER PARK...BAILEY... CENTRAL CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 955 PM MDT TUE APR 30 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT WEDNESDAY NIGHT... * TIMING...SNOW WILL BECOME WIDESPREAD AFTER MIDNIGHT AND CONTINUE THROUGH WEDNESDAY AFTERNOON. * SNOW ACCUMULATIONS...7 TO 14 INCHES POSSIBLE. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...ROADS WILL BECOME SLUSHY OVERNIGHT THEN ICY AND SNOWPACKED BY WEDNESDAY MORNING...PRODUCING HAZARDOUS DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ039-011200- /O.CON.KBOU.WS.W.0010.130501T0600Z-130502T0600Z/ BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT 955 PM MDT TUE APR 30 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT WEDNESDAY NIGHT... * TIMING...RAIN THIS EVENING WILL CHANGE TO ALL SNOW AFTER MIDNIGHT AND CONTINUE THROUGH WEDNESDAY EVENING. * SNOW ACCUMULATIONS...5 TO 10 INCHES POSSIBLE. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...RECENT WARM TEMPERATURES WILL CAUSE PAVED SURFACES TO BEGIN WET OVERNIGHT. BY EARLY WEDNESDAY MORNING...AS TEMPERATURES DROP TO THE MID 20S...THOSE ROADWAYS MAY BECOME ICY...SNOWPACKED AND SLICK. 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. && $$ COZ030>032-011200- /O.CON.KBOU.WW.Y.0018.000000T0000Z-130502T0000Z/ JACKSON COUNTY BELOW 9000 FEET- WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 955 PM MDT TUE APR 30 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT WEDNESDAY... * TIMING...SNOW SHOWERS WILL CONTINUE OVERNIGHT AND THROUGH THE DAY WEDNESDAY. * SNOW ACCUMULATIONS...4 TO 9 INCHES. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...ROADS WILL BECOME ICY AND SNOW PACKED LATER TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ040>043-011200- /O.CON.KBOU.WW.Y.0018.130501T0600Z-130502T0600Z/ 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- INCLUDING THE CITIES OF...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 955 PM MDT TUE APR 30 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT WEDNESDAY NIGHT... * TIMING...SCATTERED RAIN AND SNOW SHOWERS THIS EVENING WILL TURN TO ALL SNOW AFTER MIDNIGHT AND CONTINUE THROUGH WEDNESDAY EVENING. * SNOW ACCUMULATIONS...4 TO 7 INCHES * VISIBILITY...MAY BE REDUCED TO UNDER A MILE AT TIMES IN SNOW. * IMPACTS...ROADS MAY BECOME ICY AND SLUSHY BY DAWN ON WEDNESDAY...ESPECIALLY OVER BRIDGES AND OVERPASSES. 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. && $$
106 WWUS45 KBOU 010959 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 359 AM MDT WED MAY 1 2013 ...HEAVY SNOW IN THE MOUNTAINS AND FOOTHILLS ALONG AND NORTH OF INTERSTATE 70 THIS MORNING... SNOW...HEAVY AT TIMES...WILL CONTINUE TO SPREAD FROM NORTH TO SOUTH ACROSS THE FRONT RANGE MOUNTAINS AND FOOTHILLS TODAY AND THIS EVENING. ENHANCED BANDS OF SNOWFALL...ASSOCIATED WITH THE UPPER LEVEL JETSTREAM...COULD PRODUCE SNOWFALL RATES UP TO 2 INCHES PER HOUR...MAKING TRAVEL DIFFICULT. SIGNIFICANT SNOWFALL AMOUNTS CAN BE EXPECTED... ESPECIALLY IN THE FRONT RANGE MOUNTAINS AND FOOTHILLS ALONG AND NORTH OF INTERSTATE 70. LIGHTER AMOUNTS ARE EXPECTED FURTHER EAST OVER THE PLAINS. COZ033-035-038-011800- /O.CON.KBOU.WS.W.0010.000000T0000Z-130502T0000Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...ESTES PARK... GLENDEVEY...NEDERLAND...RED FEATHER LAKES...FORT COLLINS... HEREFORD...LOVELAND...NUNN 359 AM MDT WED MAY 1 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...SNOW WILL CONTINUE THROUGH MUCH OF THE DAY TODAY...BUT SHOULD START TO DECREASE BY LATE AFTERNOON. * SNOW ACCUMULATIONS...10 TO 20 INCHES IN THE MOUNTAINS AND FOOTHILLS OF LARIMER COUNTY...HEAVIEST ALONG EAST FACING SLOPES. STORM TOTALS OF 5 TO 10 INCHES CAN BE EXPECTED OVER EASTERN LARIMER AND NORTHWEST WELD COUNTIES. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...ROADS MAY BECOME ICY AND SNOWPACKED TODAY...CREATING HAZARDOUS DRIVING CONDITIONS. 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. && $$ COZ034-036-011800- /O.CON.KBOU.WS.W.0010.000000T0000Z-130502T0600Z/ SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...BERTHOUD PASS...BRECKENRIDGE... EAST SLOPES MOSQUITO RANGE...EAST SLOPES SOUTHERN GORE RANGE... EISENHOWER TUNNEL...INDIAN PEAKS...KENOSHA MOUNTAINS... MOUNT EVANS...WILLIAMS FORK MOUNTAINS...WINTER PARK...BAILEY... CENTRAL CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 359 AM MDT WED MAY 1 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...SNOW...HEAVY AT TIMES...WILL BECOME WIDESPREAD TODAY AND CONTINUE THROUGH THIS EVENING. * SNOW ACCUMULATIONS...7 TO 14 INCHES...HEAVIEST ALONG THE HIGHER EAST FACING SLOPES. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...ROADS WILL BECOME SLUSHY THIS MORNING THEN ICY AND SNOWPACKED AS THE SNOWFALL INCREASES...PRODUCING HAZARDOUS DRIVING CONDITIONS. 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. && $$ COZ039-011800- /O.CON.KBOU.WS.W.0010.000000T0000Z-130502T0600Z/ BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT 359 AM MDT WED MAY 1 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...SNOW WILL BECOME HEAVY AT TIMES AS ENHANCED BANDS OF SNOWFALL DEVELOP LATER THIS MORNING. THE SNOW WILL CONTINUE THROUGH THE DAY...THEN GRADUALLY DECREASE FROM NORTH TO SOUTH DURING THE EVENING HOURS. * SNOW ACCUMULATIONS...4 TO 8 INCHES. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...RECENT WARM TEMPERATURES WILL CAUSE PAVED SURFACES TO BEGIN WET AND SLUSHY LATER THIS MORNING...BECOMING ICY AND SLICK AS THE SNOWFALL INTENSIFIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ030>032-011800- /O.CON.KBOU.WW.Y.0018.000000T0000Z-130502T0000Z/ JACKSON COUNTY BELOW 9000 FEET- WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 359 AM MDT WED MAY 1 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...SNOW WILL CONTINUE THROUGH TODAY...BUT WILL START TO DECREASE BY LATE THIS AFTERNOON. * SNOW ACCUMULATIONS...4 TO 9 INCHES. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...ROADS WILL BECOME ICY AND SNOW PACKED IN THE HEAVIER BANDS OF SNOW. 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. && $$ COZ040>043-011800- /O.CON.KBOU.WW.Y.0018.000000T0000Z-130502T0600Z/ NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY- INCLUDING THE CITIES OF...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR... BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM...EATON... FORT LUPTON...GREELEY...ROGGEN 359 AM MDT WED MAY 1 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...LIGHT TO MODERATE SNOW WILL DEVELOP THIS MORNING AND CONTINUE INTO THIS EVENING. BANDS OF MODERATE SNOWFALL ARE EXPECTED DEVELOP OVER THE DENVER AREA LATER THIS MORNING AND CONTINUE THROUGH THIS EVENING. * SNOW ACCUMULATIONS...3 TO 6 INCHES. * VISIBILITY...MAY BE REDUCED TO UNDER A MILE AT TIMES IN THE HEAVIER BANDS OF SNOW. * IMPACTS...WET ROADS MAY BECOME ICY AND SLUSHY LATER THIS MORNING AS THE SNOWFALL INTENSIFIES...ESPECIALLY OVER BRIDGES AND OVERPASSES. SLOW DOWN AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
683 WWUS45 KBOU 011439 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 839 AM MDT WED MAY 1 2013 ...SNOW CONTINUING ACROSS MUCH OF NORTHERN COLORADO THIS MORNING... SNOW HAS FINALLY ENVELOPED MUCH OF AREA THIS MORNING...WITH BANDS OF HEAVY SNOW OVER PORTIONS OF THE FRONT RANGE FOOTHILLS AND ADJACENT PLAINS. THE SNOW WILL CONTINUE THROUGH TODAY AND THIS EVENING. ENHANCED BANDS OF SNOWFALL...ASSOCIATED WITH THE UPPER LEVEL JETSTREAM AND UPPER LEVEL DISTURBANCE...COULD PRODUCE SNOWFALL RATES UP TO 2 INCHES PER HOUR...MAKING TRAVEL DIFFICULT. SIGNIFICANT SNOWFALL AMOUNTS CAN BE EXPECTED... ESPECIALLY IN THE FRONT RANGE MOUNTAINS AND FOOTHILLS ALONG AND NORTH OF INTERSTATE 70. LIGHTER AMOUNTS ARE EXPECTED FURTHER EAST OVER THE PLAINS. COZ033-035-038-012245- /O.CON.KBOU.WS.W.0010.000000T0000Z-130502T0000Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...ESTES PARK... GLENDEVEY...NEDERLAND...RED FEATHER LAKES...FORT COLLINS... HEREFORD...LOVELAND...NUNN 839 AM MDT WED MAY 1 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...SNOW WILL CONTINUE THROUGH MUCH OF THE DAY TODAY... BUT SHOULD START TO DECREASE BY LATE AFTERNOON. * SNOW ACCUMULATIONS...20 TO 34 INCHES IN THE MOUNTAINS AND FOOTHILLS OF LARIMER COUNTY...HEAVIEST ALONG EAST FACING SLOPES. STORM TOTALS OF 10 TO 16 INCHES CAN BE EXPECTED OVER EASTERN LARIMER AND NORTHWEST WELD COUNTIES. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...ROADS WILL BE ICY AND SNOWPACKED TODAY...CREATING HAZARDOUS DRIVING CONDITIONS. THERE MAY ALSO BE SCATTERED POWER OUTAGES WITH AREAS OF THE HEAVY SNOW. 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. && $$ COZ034-036-012245- /O.CON.KBOU.WS.W.0010.000000T0000Z-130502T0600Z/ SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...BERTHOUD PASS...BRECKENRIDGE... EAST SLOPES MOSQUITO RANGE...EAST SLOPES SOUTHERN GORE RANGE... EISENHOWER TUNNEL...INDIAN PEAKS...KENOSHA MOUNTAINS... MOUNT EVANS...WILLIAMS FORK MOUNTAINS...WINTER PARK...BAILEY... CENTRAL CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 839 AM MDT WED MAY 1 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...SNOW...HEAVY AT TIMES WILL CONTINUE THROUGH THIS EVENING THEN DECREASING. * SNOW ACCUMULATIONS...7 TO 14 INCHES...HEAVIEST ALONG THE HIGHER EAST FACING SLOPES. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED AS THE SNOWFALL INCREASES...PRODUCING HAZARDOUS DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ039-012245- /O.CON.KBOU.WS.W.0010.000000T0000Z-130502T0600Z/ BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT 839 AM MDT WED MAY 1 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...SNOW WILL BE HEAVY AT TIMES TODAY...THEN GRADUALLY DECREASE FROM NORTH TO SOUTH DURING THE EVENING HOURS. * SNOW ACCUMULATIONS...6 TO 12 INCHES...HEAVIEST IN LOCATIONS RIGHT NEAR THE FOOTHILLS. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...RECENT WARM TEMPERATURES WILL CAUSE PAVED SURFACES TO BEGIN WET AND SLUSHY LATER THIS MORNING...BECOMING ICY AND SLICK AS THE SNOWFALL INTENSIFIES. 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. && $$ COZ037-012245- /O.EXA.KBOU.WW.Y.0018.000000T0000Z-130502T0600Z/ CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING THE CITIES OF...FAIRPLAY...HARTSEL...LAKE GEORGE... SOUTH PARK 839 AM MDT WED MAY 1 2013 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. * TIMING...LIGHT TO MODERATE SNOW WILL CONTINUE INTO THIS EVENING...THEN DECREASING. * SNOW ACCUMULATIONS...4 TO 8 INCHES...HIGHER AMOUNTS OF NORTHERN PARK COUNTY. * VISIBILITY...MAY BE REDUCED TO UNDER A MILE AT TIMES IN THE HEAVIER BANDS OF SNOW. * IMPACTS...ROADS MAY BE ICY AND SLUSHY DURING PERIODS OF HEAVIER SNOW. SLOW DOWN AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ030>032-012245- /O.CON.KBOU.WW.Y.0018.000000T0000Z-130502T0000Z/ JACKSON COUNTY BELOW 9000 FEET- WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 839 AM MDT WED MAY 1 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...SNOW WILL INCREASE AGAIN LATER THIS MORNING...THEN DECREASING AGAIN BY EARLY EVENING. * SNOW ACCUMULATIONS...5 TO 10 INCHES. * VISIBILITY...REDUCED VISIBILITIES TO LESS THAN A HALF MILE AT TIMES IN SNOW. * IMPACTS...ROADS WILL BE ICY AND SNOW PACKED IN THE HEAVIER BANDS OF SNOW. 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. && $$ COZ040>043-012245- /O.CON.KBOU.WW.Y.0018.000000T0000Z-130502T0600Z/ NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY- INCLUDING THE CITIES OF...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR... BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM...EATON... FORT LUPTON...GREELEY...ROGGEN 839 AM MDT WED MAY 1 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...SNOW WILL CONTINUE THROUGH THIS EVENING...THEN DECREASING OVERNIGHT. THERE WILL BE TIMES WHERE SNOW MAY BE HEAVY AT TIMES THROUGH THE DAY. * SNOW ACCUMULATIONS...4 TO 7 INCHES. * VISIBILITY...MAY BE REDUCED TO UNDER A MILE AT TIMES IN THE HEAVIER BANDS OF SNOW. * IMPACTS...WET ROADS MAY BECOME ICY AND SLUSHY AT TIMES...ESPECIALLY OVER BRIDGES AND OVERPASSES. SLOW DOWN AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
351 WWUS45 KBOU 011820 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1220 PM MDT WED MAY 1 2013 ...SNOW CONTINUING ACROSS MUCH OF NORTHERN COLORADO THIS AFTERNOON... A STORM SYSTEM NOW OVER NORTHWEST COLORADO WILL MOVE SOUTHEAST ACROSS THE STATE THROUGH TONIGHT. SNOW IS WIDESPREAD OVER MUCH OF THE AREA THIS AFTERNOON AND WILL BE HEAVY AT TIMES THROUGH EARLY EVENING. THE HEAVIEST SNOW HAS SHIFTED SOUTH OVER THE BOULDER AND DENVER AREA THIS AFTERNOON WITH LIGHTER SNOW FURTHER NORTH AND EAST. SNOWFALL RATES UP TO 2 INCHES PER HOUR ARE POSSIBLE IN THE HEAVIEST SNOW. SINCE THE SNOW IS EXPECTED INTO THE EVENING HOURS...EXPECT ROAD SURFACES TO BECOME MORE ICY AND SNOWPACKED RESULTING IN DANGEROUS DRIVING CONDITIONS. COZ033-035-038-020000- /O.CON.KBOU.WS.W.0010.000000T0000Z-130502T0000Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...ESTES PARK... GLENDEVEY...NEDERLAND...RED FEATHER LAKES...FORT COLLINS... HEREFORD...LOVELAND...NUNN 1220 PM MDT WED MAY 1 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...SNOW WILL CONTINUE THROUGH TODAY... BUT SHOULD START TO DECREASE BY EARLY EVENING. * SNOW ACCUMULATIONS...20 TO 34 INCHES IN THE MOUNTAINS AND FOOTHILLS OF LARIMER COUNTY...HEAVIEST ALONG EAST FACING SLOPES. STORM TOTALS OF 12 TO 16 INCHES CAN BE EXPECTED OVER EASTERN LARIMER AND NORTHWEST WELD COUNTIES. * VISIBILITY...SNOW WILL REDUCE VISIBILITIES TO LESS THAN ONE HALF OF A MILE AT TIMES. * IMPACTS...ROADS WILL BE ICY AND SNOWPACKED TODAY IN THE HEAVIER SNOW...CREATING HAZARDOUS DRIVING CONDITIONS. THERE MAY ALSO BE SCATTERED POWER OUTAGES WITH AREAS OF THE HEAVY SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL IMPACT TRAVEL AND RESULT IN POWER OUTAGES. && $$ COZ034-036-020230- /O.CON.KBOU.WS.W.0010.000000T0000Z-130502T0600Z/ SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...BERTHOUD PASS...BRECKENRIDGE... EAST SLOPES MOSQUITO RANGE...EAST SLOPES SOUTHERN GORE RANGE... EISENHOWER TUNNEL...INDIAN PEAKS...KENOSHA MOUNTAINS... MOUNT EVANS...WILLIAMS FORK MOUNTAINS...WINTER PARK...BAILEY... CENTRAL CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 1220 PM MDT WED MAY 1 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...SNOW...HEAVY AT TIMES WILL CONTINUE THROUGH THIS EVENING THEN DECREASING. * SNOW ACCUMULATIONS...7 TO 14 INCHES...HEAVIEST ALONG THE HIGHER EAST FACING SLOPES. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED AS THE SNOWFALL INCREASES...PRODUCING HAZARDOUS DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL IMPACT TRAVEL AND RESULT IN LOCAL AREAS OF POWER OUTAGES. && $$ COZ039-020230- /O.CON.KBOU.WS.W.0010.000000T0000Z-130502T0600Z/ BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT 1220 PM MDT WED MAY 1 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...SNOW WILL BE HEAVY AT TIMES TODAY...THEN GRADUALLY DECREASE FROM NORTH TO SOUTH DURING THE EVENING HOURS. * SNOW ACCUMULATIONS...6 TO 12 INCHES...HEAVIEST IN LOCATIONS RIGHT NEAR THE FOOTHILLS. * VISIBILITY...BANDED SNOW WILL BE ABLE TO PRODUCE 1 TO 2 INCHES OF SNOW PER HOUR AT TIMES IN RELATIVELY SMALL AREAS...REDUCING VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE. * IMPACTS...RECENT WARM TEMPERATURES WILL CAUSE PAVED SURFACES TO BEGIN WET AND SLUSHY LATER THIS MORNING...BECOMING ICY AND SLICK AS THE SNOWFALL INTENSIFIES. AS EVENING HITS...ROADS WILL BE ICY AND SNOWPACKED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ037-020230- /O.CON.KBOU.WW.Y.0018.000000T0000Z-130502T0600Z/ CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING THE CITIES OF...FAIRPLAY...HARTSEL...LAKE GEORGE... SOUTH PARK 1220 PM MDT WED MAY 1 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...LIGHT TO MODERATE SNOW WILL CONTINUE INTO THIS EVENING...THEN DECREASING. * SNOW ACCUMULATIONS...4 TO 8 INCHES...HIGHER AMOUNTS OF NORTHERN PARK COUNTY. * VISIBILITY...MAY BE REDUCED TO UNDER A MILE AT TIMES IN THE HEAVIER BANDS OF SNOW. * IMPACTS...ROADS MAY BE ICY AND SLUSHY DURING PERIODS OF HEAVIER SNOW. SLOW DOWN AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ030>032-020000- /O.CON.KBOU.WW.Y.0018.000000T0000Z-130502T0000Z/ JACKSON COUNTY BELOW 9000 FEET- WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 1220 PM MDT WED MAY 1 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...SNOW SHOWERS WILL CONTINUE THIS AFTERNOON...THEN DECREASING AGAIN BY EARLY EVENING. * SNOW ACCUMULATIONS...5 TO 10 INCHES. * VISIBILITY...REDUCED VISIBILITIES TO LESS THAN A HALF MILE AT TIMES IN SNOW. * IMPACTS...ROADS WILL BE ICY AND SNOW PACKED IN THE HEAVIER BANDS OF SNOW. 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. && $$ COZ040>043-020230- /O.CON.KBOU.WW.Y.0018.000000T0000Z-130502T0600Z/ NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY- INCLUDING THE CITIES OF...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR... BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM...EATON... FORT LUPTON...GREELEY...ROGGEN 1220 PM MDT WED MAY 1 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...SNOW WILL CONTINUE THROUGH THIS EVENING...THEN DECREASING OVERNIGHT. THERE WILL BE TIMES WHERE SNOW MAY BE HEAVY AT TIMES THIS AFTERNOON AND EARLY EVENING. * SNOW ACCUMULATIONS...4 TO 7 INCHES. * VISIBILITY...MAY BE REDUCED TO UNDER A HALF MILE AT TIMES IN THE HEAVIER BANDS OF SNOW. * IMPACTS...WET ROADS MAY BECOME ICY AND SLUSHY AT TIMES... ESPECIALLY OVER BRIDGES AND OVERPASSES. SLOW DOWN AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. AS EVENING APPROACHES ROADS WILL BECOME MORE ICY AND SNOWPACKED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
937 WWUS45 KBOU 020019 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 619 PM MDT WED MAY 1 2013 ...SNOW WILL GRADUALLY DIMINISH ACROSS NORTHERN COLORADO THIS EVENING... A STORM SYSTEM OVER NORTHWEST COLORADO WILL MOVE SOUTHEAST ACROSS THE STATE OVERNIGHT. SNOW WILL GRADUALLY END FROM NORTHWEST TO SOUTHEAST THIS EVENING. EXPECT ROAD SURFACES TO BECOME ICY THIS EVENING AS TEMPERATURES CONTINUE TO FALL. COZ039-020130- /O.CAN.KBOU.WS.W.0010.000000T0000Z-130502T0600Z/ BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT 619 PM MDT WED MAY 1 2013 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER STORM WARNING. ONLY SOME LIGHT SNOW WILL BE POSSIBLE THIS EVENING WITH ADDITIONAL ACCUMULATIONS UNDER ONE INCH. $$ COZ033-035-038-020130- /O.EXP.KBOU.WS.W.0010.000000T0000Z-130502T0000Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...ESTES PARK... GLENDEVEY...NEDERLAND...RED FEATHER LAKES...FORT COLLINS... HEREFORD...LOVELAND...NUNN 619 PM MDT WED MAY 1 2013 ...WINTER STORM WARNING HAS EXPIRED... ONLY SOME LIGHT SNOW WILL BE POSSIBLE THIS EVENING WITH ADDITIONAL ACCUMULATIONS UNDER TWO INCHES. $$ COZ040-042-043-020130- /O.CAN.KBOU.WW.Y.0018.000000T0000Z-130502T0600Z/ NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-NORTHEAST WELD COUNTY- CENTRAL AND SOUTH WELD COUNTY- INCLUDING THE CITIES OF...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER... STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN 619 PM MDT WED MAY 1 2013 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER WEATHER ADVISORY. ONLY SOME LIGHT SNOW WILL BE POSSIBLE THIS EVENING WITH ADDITIONAL ACCUMULATIONS UNDER ONE INCH. $$ COZ030>032-020130- /O.EXP.KBOU.WW.Y.0018.000000T0000Z-130502T0000Z/ JACKSON COUNTY BELOW 9000 FEET- WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 619 PM MDT WED MAY 1 2013 ...WINTER WEATHER ADVISORY HAS EXPIRED... ONLY SOME LIGHT SNOW WILL BE POSSIBLE THIS EVENING WITH ADDITIONAL ACCUMULATIONS UNDER ONE INCH. $$ COZ034-036-020600- /O.CON.KBOU.WS.W.0010.000000T0000Z-130502T0600Z/ SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...BERTHOUD PASS...BRECKENRIDGE... EAST SLOPES MOSQUITO RANGE...EAST SLOPES SOUTHERN GORE RANGE... EISENHOWER TUNNEL...INDIAN PEAKS...KENOSHA MOUNTAINS... MOUNT EVANS...WILLIAMS FORK MOUNTAINS...WINTER PARK...BAILEY... CENTRAL CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 619 PM MDT WED MAY 1 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...SNOW WILL CONTINUE THROUGH THIS EVENING THEN DECREASE BY MIDNIGHT. * SNOW ACCUMULATIONS...7 TO 14 INCHES...HEAVIEST ALONG THE HIGHER EAST FACING SLOPES. * VISIBILITY...VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE IN THE HEAVIER SNOW. * IMPACTS...ROADS WILL BE ICY AND SNOWPACKED...PRODUCING HAZARDOUS DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL IMPACT TRAVEL AND RESULT IN LOCAL AREAS OF POWER OUTAGES. && $$ COZ037-020600- /O.CON.KBOU.WW.Y.0018.000000T0000Z-130502T0600Z/ CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING THE CITIES OF...FAIRPLAY...HARTSEL...LAKE GEORGE... SOUTH PARK 619 PM MDT WED MAY 1 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...LIGHT SNOW WILL CONTINUE THIS EVENING...THEN DECREASING BY MIDNIGHT. * SNOW ACCUMULATIONS...4 TO 8 INCHES...HIGHER AMOUNTS OF NORTHERN PARK COUNTY. * VISIBILITY...MAY BE REDUCED TO UNDER A MILE AT TIMES IN THE SNOW. * IMPACTS...ROADS WILL BE ICY AND SNOWPACKED... SO ALLOW EXTRA TIME TO REACH YOUR DESTINATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ041-020600- /O.CON.KBOU.WW.Y.0018.000000T0000Z-130502T0600Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...FONDIS...KIOWA... LARKSPUR 619 PM MDT WED MAY 1 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...SNOW WILL CONTINUE THROUGH THIS EVENING...THEN DECREASE BY MIDNIGHT. * SNOW ACCUMULATIONS...4 TO 7 INCHES. * VISIBILITY...MAY BE REDUCED TO UNDER A HALF MILE AT TIMES IN MODERATE SNOW. * IMPACTS...WET ROADS WILL BECOME ICY AND SNOWPACKED... ESPECIALLY OVER BRIDGES AND OVERPASSES. SLOW DOWN AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. 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. && $$
810 WWUS45 KBOU 020226 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 826 PM MDT WED MAY 1 2013 ...SNOW WILL GRADUALLY DIMINISH ACROSS NORTHERN COLORADO THIS EVENING... A STORM SYSTEM OVER NORTHWEST COLORADO WILL MOVE SOUTHEAST ACROSS THE STATE OVERNIGHT. SNOW WILL GRADUALLY END FROM NORTHWEST TO SOUTHEAST THIS EVENING. EXPECT ROAD SURFACES TO BECOME ICY THIS EVENING AS TEMPERATURES CONTINUE TO FALL. COZ034-036-020330- /O.CAN.KBOU.WS.W.0010.000000T0000Z-130502T0600Z/ SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...BERTHOUD PASS...BRECKENRIDGE... EAST SLOPES MOSQUITO RANGE...EAST SLOPES SOUTHERN GORE RANGE... EISENHOWER TUNNEL...INDIAN PEAKS...KENOSHA MOUNTAINS... MOUNT EVANS...WILLIAMS FORK MOUNTAINS...WINTER PARK...BAILEY... CENTRAL CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 826 PM MDT WED MAY 1 2013 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER STORM WARNING. LIGHT SNOW WILL CONTINUE THIS EVENING BEFORE GRADUALLY ENDING OVERNIGHT. ADDITIONAL ACCUMULATIONS UP TO 2 INCHES WILL BE POSSIBLE. $$ COZ046-047-020900- /O.EXB.KBOU.WW.Y.0018.000000T0000Z-130502T0900Z/ NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...AGATE...HUGO...LIMON...MATHESON... FORDER...KARVAL...KUTCH...PUNKIN CENTER 826 PM MDT WED MAY 1 2013 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 AM MDT THURSDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 3 AM MDT THURSDAY. * TIMING...AREAS OF SNOW WILL CONTINUE THIS EVENING...THEN DECREASE AFTER MIDNIGHT. * SNOW ACCUMULATIONS...2 TO 4 INCHES. * VISIBILITY...MAY BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN THE SNOW. * IMPACTS...ROADS WILL BE ICY AND SNOWPACKED... SO ALLOW EXTRA TIME TO REACH YOUR DESTINATION. 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. && $$ COZ037-020600- /O.CON.KBOU.WW.Y.0018.000000T0000Z-130502T0600Z/ CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING THE CITIES OF...FAIRPLAY...HARTSEL...LAKE GEORGE... SOUTH PARK 826 PM MDT WED MAY 1 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...LIGHT SNOW WILL CONTINUE THIS EVENING...THEN DECREASE BY MIDNIGHT. * SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS UP TO 2 INCHES. * VISIBILITY...MAY BE REDUCED TO UNDER A MILE AT TIMES IN THE SNOW. * IMPACTS...ROADS WILL BE ICY AND SNOWPACKED... SO ALLOW EXTRA TIME TO REACH YOUR DESTINATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ041-020600- /O.CON.KBOU.WW.Y.0018.000000T0000Z-130502T0600Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...FONDIS...KIOWA... LARKSPUR 826 PM MDT WED MAY 1 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * TIMING...LIGHT SNOW WILL CONTINUE THROUGH THIS EVENING...THEN DECREASE BY MIDNIGHT. * SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS UP TO 2 INCHES. * VISIBILITY...MAY BE REDUCED TO UNDER A HALF MILE AT TIMES IN SNOW. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED...ESPECIALLY OVER BRIDGES AND OVERPASSES. SLOW DOWN AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. 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 Apr 30, 4:04 AM MDT, 1 minute earlier.
Area forecast discussion, Apr 30, 4:04 AM MDT, 1 minute before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER/BOULDER CO 404 AM MDT TUE APR 30 2013 .SHORT TERM...ANOTHER ROUND OF WINTER WEATHER IS ON TAP FOR THE CWFA. UPPER LEVEL WINDS ASSOCIATED WITH THE JETSTREAM WILL CONTINUE TO INCREASE FROM NORTH TO SOUTH TODAY AND TONIGHT AS A VIGOROUS STORM SYSTEM OVER THE NORTHERN ROCKIES WILL MOVE INTO THE STATE. THE FIRST COLD FRONT ASSOCIATED WITH THIS SYSTEM HAS ALREADY MOVED INTO THE DENVER AREA...ROUGHLY 6 HOURS FASTER THAN EXPECTED. HAVE OPTED TO DROP THE AFTERNOON HIGH TEMPERATURES ROUGHLY 10 DEGREES TODAY. A STRONGER SURGE OF COLD AIR WAS FORECAST TO MOVE INTO THE DENVER AREA AROUND 00Z...BUT THAT COULD BE SOONER AS WELL. FOR NOW HAVE UPGRADED THE WINTER STORM WATCH FOR ZONES 33 AND 35 TO A WINTER STORM WARNING WHERE STORM TOTALS OF 8 TO 16 INCHES EXPECTED. WILL CONTINUE THE WINTER STORM WATCH FOR ZONE 38 BUT ALSO ADDED THE REST OF THE FRONT RANGE MOUNTAINS AND FOOTHILLS AS WELL AS THE WESTERN SUBURBS OF DENVER TO THE WINTER STORM WATCH. FORECAST SNOW AMOUNTS WILL BE VERY TRICKY. THE POTENTIAL FOR ENHANCED BANDING OVERRIDING THE DEVELOPING UPSLOPE WOULD FAVOR THOSE AREAS IN AND NEAR THE FRONT RANGE MOUNTAINS AND FOOTHILLS. ALONG THE URBAN CORRIDOR AND ADJACENT PLAINS...VERY WARM SFC TEMPERATURES FM THE PAST COUPLE OF DAYS WILL INHIBIT SNOW ACCUMULATION ON PAVED SURFACES UNTIL AFTER MIDNIGHT. ROAD SURFACES WILL BE WET IN MOST AREAS THROUGH THIS EVENING...THEN SLUSHY...ICY AND SNOWPACKED ROADWAYS WILL MAKE FOR SOME HAZARDOUS DRIVING CONDITIONS. IF ENHANCED SNOWBANDS DEVELOP SOONER THAN EXPECTED...THEN THE CHANGE FROM A RAIN/SNOW MIX TO SNOW WILL BE SOONER. .LONG TERM...UPPER LEVEL TROUGH WILL CONTINUE TO DIG SOUTHEAST ACROSS THE CENTRAL ROCKIES ON WEDNESDAY. A SOUTHWEST TO NORTHEAST ORIENTED JET WILL SHIFT SOUTHEAST ACROSS COLORADO. LIFT FROM THE UPPER LEVEL TROUGH...PLUS LOW LEVEL LIFT DUE NORTHEAST UPSLOPE WINDS WILL PRODUCE WIDESPREAD SNOW ON WEDNESDAY. BECAUSE OF THE JET OVERHEAD...EXPECT A BAND OR TWO OF HEAVY SNOW. TEMPERATURES COME WEDNESDAY WILL BE COLD ENOUGH TO SUPPORT SNOW WILL REMAIN COLD ENOUGH THROUGH THE DAY. MODELS SHOWING ABOUT ANOTHER HALF INCH OF PRECIPITATION FOR WEDNESDAY AND WEDNESDAY EVENING. TOUGH TO SAY HOW MUCH SNOW WILL ACCUMULATE DURING THE DAYLIGHT HOURS. THE HEAVY SNOW UNDER THE SNOW BANDS WILL ACCUMULATE FASTER THAN IT CAN MELT. OUTSIDE OF THE SNOW BANDS SNOW WILL ACCUMULATE MUCH SLOWER. MODELS IN GOOD AGREEMENT WITH THE SNOW COMING TO AN END WEDNESDAY EVENING AS THE TROUGH AXIS SHIFTS EAST OF COLORADO. SKIES WILL CLEAR FROM THE NORTH. EXPECT LOWS TO DROP INTO THE 20S ACROSS NORTHEAST COLORADO. RECORD LOW FOR THURSDAY MORNING IS 22 DEGREES...WHICH COULD BE BROKEN. THE RECORD LOW FOR THE MONTH OF MAY IS 19 DEGREES WHICH HAS AN OUTSIDE CHANCE OF BEING BROKEN. THE TROUGH WILL CLOSE OFF OVER THE PLAINS STATES THURSDAY. THIS WILL RESULT IN A COOL NORTHERLY FLOW ALOFT FOR THURSDAY. HIGHS WILL BE ABOUT 20 DEGREES BELOW NORMAL. MODELS STILL HAVE NO IDEA WHERE THE CLOSED LOW WILL BE FRIDAY AND THIS WEEKEND. ONLY AGREEMENT IS THAT IT WILL REMAIN EAST OF COLORADO..BUT KEEP A COOL NORTH TO NORTHWEST FLOW OVER THE STATE. THUS WILL KEEP TEMPERATURES COOLER THAN NORMAL. ALSO NO AGREEMENT ON WHAT HAPPENS WITH A SHORT WAVE THAT SINKS SOUTH IN THE NORTHERLY FLOW. THE ECMWF SHOWS IT CLOSING OFF NEAR SAN FRANSICO. THE GFS HAS THE CENTERED OF IT NEAR SALT LAKE CITY WHICH WOULD BE CLOSE ENOUGH TO PERHAPS BRING SOME SHOWERS. FOR NOW...WILL HAVE LOW POPS IN FOR THIS WEEKEND...MAINLY OVER THE HIGHER TERRAIN. WILL ALSO KEEP TEMPERATURES ON THE COOL FRIDAY AND THIS WEEKEND. && .AVIATION...FIRST SURGE ALREADY THROUGH THE DENVER AREA THIS MORNING. WINDS ALREADY SELY WITH THE MAIN PUSH APPARENTLY MOVING TO THE EAST. WINDS WILL AGAIN BE TRICKY BUT WILL CONTINUE WITH MORE OF AN ESELY PATTERN THE REST OF THIS MORNING...THEN ENELY FM 17Z TO 23Z...THEN NNELY WITH THE APPROACH OF THE REAL COLD FRONT. RAIN/SNOW MIX EXPECTED AT KDEN UNTIL 04Z...THEN IT SHOULD SWITCH OVER TO SNOW. ACCUMULATIONS OF 1 TO 2 INCHES ON GRASSY SURFACES BUT IF ENHANCED BANDING SETS UP THEN THOSE AMOUNTS CAN BE DOUBLE WITH SOME MINIMAL ACCUMULATION OF SLUSH ON THE RUNWAYS PRIOR TO 12Z WEDNESDAY. IFR CONDITIONS EXPECTED WITH CIGS LESS THAN 1K FT AGL AND VSBYS GENERALLY ONE MILE OR LESS PRIMARILY AFTER 06Z TONIGHT. && .HYDROLOGY...NO ISSUES AT THIS TIME. && .BOU WATCHES/WARNINGS/ADVISORIES... WINTER STORM WATCH FROM THIS EVENING THROUGH WEDNESDAY AFTERNOON FOR COZ034-036-038-039. WINTER STORM WARNING FROM 6 PM THIS EVENING TO 6 PM MDT WEDNESDAY FOR COZ033-035. && SHORT TERM...COOPER LONG TERM....MEIER AVIATION...COOPER
Hazardous weather outlook, Apr 29, 10:54 AM MDT, 17 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1054 AM MDT MON APR 29 2013 COZ030>051-300500- 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- 1054 AM MDT MON APR 29 2013 ...ANOTHER LATE SPRING SNOW STORM EXPECTED TUESDAY NIGHT INTO WEDNESDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT ANOTHER DAY OF ABOVE NORMAL TEMPERATURES IS ANTICIPATED TODAY TO START THE WORK WEEK. SOME GUSTY WESTERLY WINDS UP TO 30 MPH ARE EXPECTED IN MOST AREAS THIS AFTERNOON. THE NEXT WEATHER SYSTEM WILL APPROACH THE OUTLOOK AREA LATE TONIGHT BRINGING THE THREAT OF PRECIPITATION TO MAINLY MOUNTAIN AREAS NEAR THE WYOMING BORDER TOWARDS DAWN TUESDAY. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A STRONGER SYSTEM IS EXPECTED TO DROP OUT OF THE NORTHERN ROCKIES AND INTO COLORADO LATE TUESDAY THROUGH WEDNESDAY NIGHT. TEMPERATURES WILL BE MUCH COLDER WITH SNOW IN THE FRONT RANGE MOUNTAINS...FOOTHILLS AND THE NORTHERN FRONT RANGE URBAN CORRIDOR...WITH A MIX OF RAIN AND SNOW TUESDAY NIGHT CHANGING INTO ALL SNOW WEDNESDAY MORNING ELSEWHERE. SIGNIFICANT SNOWFALL WILL BE POSSIBLE ESPECIALLY IN THE FRONT RANGE MOUNTAINS AND FOOTHILLS NORTH OF INTERSTATE 70. THE SYSTEM WILL EXIT THE REGION EARLY THURSDAY. CURRENTLY STORM TOTAL ACCUMULATIONS COULD BE 2 TO 6 INCHES OVER THE PLAINS...WITH HIGHER AMOUNTS THE CLOSER TO THE MOUNTAINS DUE TO UPSLOPE FLOW. FOOTHILLS AND THE NORTHERN URBAN CORRIDOR COULD SEE 5 TO 8 INCHES...AND THE FRONT RANGE MOUNTAINS MAY SEE 6 TO 12 INCHES. ALL THESE ACCUMULATIONS ARE GOING TO BE HEAVILY INFLUENCED BY THE CURRENT WARM TEMPERATURES WE ARE EXPERIENCING WHICH WILL MELT THE INITIAL SNOWFALL. HOWEVER...THE NEARBY JET WILL LIKELY INFLUENCE THE ACCUMULATIONS WITH BANDED SNOWFALL. THIS IS A VERY CHALLENGING SET-UP...ESPECIALLY WITH IT BEING MAY 1ST. STAY TUNED TO THE FORECAST FOR ADDITIONAL INFORMATION AS IT BECOMES AVAILABLE. A DRIER NORTHWESTERLY FLOW WILL RETURN FRIDAY THROUGH SUNDAY WITH JUST A SLIGHT CHANCE OF SHOWERS OVER THE MOUNTAINS BY THE WEEKEND. TEMPERATURES WILL MODERATE BUT REMAIN COOLER THAN SEASONAL NORMALS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. ENTREKIN/KRIEDERMAN
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 12:12 PM MDT | Winter Weather Advisory | BOU | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 6 more | 39 hr |
Nearby
Winter Storm Warnings in Colorado, 2013Every winter storm warning in 2013
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.