Alert archive / Colorado / Winter Storm Warnings in 2013
Winter Storm Warning 2, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at Feb 20, 2013, 10:14 AM MST for 10 counties in Colorado. It took effect at Feb 20, 2013, 6:00 PM MST. It was in force for 23 hr. 39 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
- Feb 20, 2013, 10:14 AM MST (17:14 UTC)
- In effect from
- Feb 20, 2013, 6:00 PM MST
- Expired
- Feb 21, 2013, 5:01 PM MST
- In force
- 23 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Adams County, CO, Arapahoe County, CO, Douglas County, CO, Elbert County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO
The radar
The Denver radar (KFTG), 82 km from the middle of the area, began a volume at 17:15 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 |
|---|---|---|---|
| Feb 20, 6:22 PM MST | SNOW 3.2 | 2 S Littleton, CO | |
| Feb 20, 8:10 PM MST | SNOW 1.9 | 2 Sse Federal Heights, CO | |
| Feb 20, 9:10 PM MST | SNOW 2.5 | Nnw Iliff, CO | |
| Feb 20, 9:32 PM MST | SNOW 1.8 | Ese Castle Pines, CO | |
| Feb 21, 4:56 AM MST | SNOW 4.1 | 1 W Northglenn, CO | |
| Feb 21, 7:00 AM MST | SNOW 4 | 4 Nw Elizabeth, CO | |
| Feb 21, 7:01 AM MST | SNOW 4.8 | 2 W Arapahoe Park, CO | |
| Feb 21, 7:06 AM MST | SNOW 2.9 | E Brighton, CO | |
| Feb 21, 7:20 AM MST | HEAVY SNOW 6 | Sw Holyoke, CO | |
| Feb 21, 7:30 AM MST | SNOW 2.6 | 6 Nne Woodrow, CO | |
| Feb 21, 7:30 AM MST | SNOW 3 | 1 Nw Fort Morgan, CO | |
| Feb 21, 7:30 AM MST | SNOW 3 | 5 S Sedgwick, CO | |
| Feb 21, 7:30 AM MST | SNOW 3.5 | 7 S Aurora, CO | |
| Feb 21, 7:30 AM MST | SNOW 3.5 | Elizabeth, CO | |
| Feb 21, 7:30 AM MST | SNOW 4 | 5 S Sedalia, CO | |
| Feb 21, 7:30 AM MST | SNOW 4 | Agate, CO | |
| Feb 21, 7:30 AM MST | SNOW 4 | Limon, CO | |
| Feb 21, 7:30 AM MST | SNOW 4.2 | 3 Ne Castle Rock, CO | |
| Feb 21, 7:30 AM MST | SNOW 4.3 | Englewood, CO | |
| Feb 21, 7:30 AM MST | SNOW 4.8 | 2 Ne Commerce City, CO | |
| Feb 21, 7:30 AM MST | SNOW 5 | 2 Wsw Byers, CO | |
| Feb 21, 7:30 AM MST | SNOW 5 | Crook, CO | |
| Feb 21, 7:30 AM MST | SNOW 5.5 | Franktown, CO | |
| Feb 21, 7:35 AM MST | SNOW 3.4 | 2 Ne Thornton, CO | |
| Feb 21, 7:52 AM MST | SNOW 4 | E Highlands Ranch, CO | |
| Feb 21, 7:52 AM MST | HEAVY SNOW 6 | Iliff, CO | |
| Feb 21, 7:54 AM MST | SNOW 5.2 | 8 Se Watkins, CO | |
| Feb 21, 8:05 AM MST | SNOW 4 | Thornton, CO | |
| Feb 21, 8:10 AM MST | SNOW 3 | 2 Sse Federal Heights, CO | |
| Feb 21, 8:35 AM MST | SNOW 5.5 | 2 S Sterling, CO | |
| Feb 21, 9:18 AM MST | HEAVY SNOW 6 | 2 N Highlands Ranch, CO | |
| Feb 21, 9:23 AM MST | SNOW 5 | 10 N Elizabeth, CO | |
| Feb 21, 10:00 AM MST | SNOW 2.6 | 1 Nnw Federal Heights, CO | |
| Feb 21, 10:00 AM MST | SNOW 5.8 | E Centennial, CO | |
| Feb 21, 10:00 AM MST | SNOW 5.9 | E Centennial, CO | |
| Feb 21, 10:02 AM MST | HEAVY SNOW 8 | 11 Ese Holyoke, CO | |
| Feb 21, 10:38 AM MST | SNOW 5 | Wnw Simla, CO | |
| Feb 21, 3:17 PM MST | SNOW 4.7 | 1 W Northglenn, CO | |
| Feb 21, 5:00 PM MST | SNOW 5.8 | 5 Ene Elbert, 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 12:00Z, 5.2 hours before the alert went out and 34 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
- 1132 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
492 WWUS45 KBOU 201714 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1014 AM MST WED FEB 20 2013 ...WINTER STORM HEADED FOR EASTERN COLORADO... .AN UPPER LEVEL STORM WILL MOVE FROM THE DESERT SOUTHWEST TODAY ACROSS NEW MEXICO TONIGHT. MOISTURE WILL INCREASE AHEAD OF THIS SYSTEM WITH SNOW SPREADING NORTHWARD ACROSS COLORADO THIS AFTERNOON AND BECOMING HEAVIER BY THIS EVENING. A LARGE AREA OF HEAVY SNOW IS EXPECTED TO DEVELOP ACROSS MOST OF EASTERN COLORADO...KANSAS...AND NEBRASKA FOR TONIGHT AND THURSDAY. THE LATEST DATA CONTINUES TO INDICATE POTENTIAL FOR LOCALLY HEAVY SNOW AS FAR WEST AS THE I-25 URBAN CORRIDOR AND SOUTHERN FRONT RANGE FOOTHILLS THIS EVENING. ROADS WILL BE SNOW COVERED AND ICY WHICH WILL MAKE TRAVEL HAZARDOUS. TRAVEL IS NOT RECOMMENDED FROM JUST EAST OF DENVER INTO NEBRASKA AND KANSAS TONIGHT OR THURSDAY. COZ044>051-210115- /O.UPG.KBOU.WS.A.0002.130221T0100Z-130222T0000Z/ /O.NEW.KBOU.WS.W.0002.130221T0100Z-130222T0000Z/ 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- INCLUDING THE CITIES OF...BRUSH...FORT MORGAN...GOODRICH... WIGGINS...BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO... LIMON...MATHESON...FORDER...KARVAL...KUTCH...PUNKIN CENTER... CROOK...MERINO...STERLING...PEETZ...AKRON...COPE...LAST CHANCE... OTIS...JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE 1014 AM MST WED FEB 20 2013 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 5 PM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 5 PM MST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL BECOME WIDESPREAD BY THIS EVENING AND MAY BE HEAVY AT TIMES TONIGHT. THE SNOW WILL GRADUALLY DIMINISH THURSDAY AFTERNOON. * SNOW ACCUMULATIONS...6 TO 12 INCHES. * WIND/VISIBILITY...EAST WINDS OF 15 TO 25 MPH WILL BECOME NORTHERLY THURSDAY. VISIBILITY WILL BE REDUCED TO A QUARTER MILE AT TIMES DUE TO HEAVY FALLING SNOW AND BLOWING SNOW. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED LATE THIS AFTERNOON AND EVENING. IN ADDITION TO SLICK ROADS...POOR VISIBILITIES DUE TO SNOW AND BLOWING SNOW WILL MAKE TRAVEL HAZARDOUS. SECONDARY ROADS MAY BECOME IMPASSABLE. 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. && $$ COZ041-210115- /O.UPG.KBOU.WS.A.0002.130221T0100Z-130221T1600Z/ /O.NEW.KBOU.WS.W.0002.130221T0100Z-130222T0000Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...FONDIS...KIOWA... LARKSPUR 1014 AM MST WED FEB 20 2013 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 5 PM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 5 PM MST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL BECOME WIDESPREAD TONIGHT AND CONTINUE THROUGH THURSDAY MORNING. * SNOW ACCUMULATIONS...7 TO 10 INCHES. * WIND/VISIBILITY...NORTHEAST WINDS OF 10 TO 25 MPH WILL OCCUR THIS EVENING THEN BECOME MORE NORTHERLY LATE TONIGHT INTO THURSDAY MORNING. THE WIND WILL BE STRONGEST EAST OF I-25. VISIBILITY MAY BE REDUCED TO A QUARTER MILE AT TIMES DUE TO HEAVY FALLING SNOW AND BLOWING SNOW. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED LATE THIS AFTERNOON AND EVENING AS SNOW INTENSIFIES. IN ADDITION TO SLICK ROADS...POOR VISIBILITIES DUE TO SNOW AND BLOWING SNOW WILL MAKE TRAVEL HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ040-210115- /O.UPG.KBOU.WS.A.0002.130221T0100Z-130221T1600Z/ /O.EXA.KBOU.WW.Y.0004.130221T0100Z-130221T1600Z/ NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- INCLUDING THE CITIES OF...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER 1014 AM MST WED FEB 20 2013 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP LATE THIS AFTERNOON AND EARLY EVENING. THE SNOW MAY BE BRIEFLY HEAVY THIS EVENING...AND THEN DIMINISH LATE TONIGHT INTO THURSDAY MORNING. * SNOW ACCUMULATIONS...4 TO 7 INCHES CAN BE EXPECTED. THERE IS STILL POTENTIAL FOR SLIGHTLY HEAVIER AMOUNTS OVER THE SOUTHERN AND EASTERN SECTIONS OF THE DENVER METRO AREA. * WIND/VISIBILITY...NORTHEAST WINDS OF 10 TO 20 MPH WILL SHIFT MORE NORTHERLY LATE TONIGHT AND THURSDAY MORNING...WITH ONLY MINOR DRIFTING SNOW EXPECTED. VISIBILITY MAY BE REDUCED TO A QUARTER MILE AT TIMES IN AREAS OF HEAVY SNOW THIS EVENING. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED AS SNOW BECOMES MORE WIDESPREAD. IN ADDITION TO SLICK ROADS...POOR VISIBILITIES DUE TO SNOW AND BLOWING SNOW WILL MAKE TRAVEL HAZARDOUS. 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. && $$ COZ036-210115- /O.EXA.KBOU.WW.Y.0004.130221T0100Z-130221T1600Z/ JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK 1014 AM MST WED FEB 20 2013 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MST THURSDAY. * TIMING...THE SNOW WILL INCREASE BY THIS EVENING...WITH MODERATE TO HEAVY BANDS OF SNOW DEVELOPING. * SNOW ACCUMULATIONS...4 TO 8 INCHES EXPECTED. * WIND/VISIBILITY...NORTH WINDS 10 TO 20 MPH...WITH ONLY MINOR DRIFTING SNOW EXPECTED. VISIBILITY MAY BE REDUCED TO A QUARTER MILE AT TIMES IN AREAS OF HEAVY SNOW THIS EVENING. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED AS SNOW BECOMES MORE WIDESPREAD. IN ADDITION TO SLICK ROADS...POOR VISIBILITIES DUE TO SNOW AND BLOWING SNOW WILL MAKE TRAVEL HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ034-037-210115- /O.CON.KBOU.WW.Y.0004.130220T1900Z-130221T1300Z/ SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-CENTRAL AND SOUTHEAST PARK COUNTY- 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...FAIRPLAY... HARTSEL...LAKE GEORGE...SOUTH PARK 1014 AM MST WED FEB 20 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MST THURSDAY... * TIMING...THE HEAVIEST SNOW IS EXPECTED TO OCCUR THIS AFTERNOON AND EVENING...THEN START TO DECREASE AFTER MIDNIGHT. * SNOW ACCUMULATIONS...5 TO 10 INCHES...HEAVIEST ALONG AND SOUTH OF THE INTERSTATE 70 CORRIDOR. * WIND/VISIBILITY...EAST TO NORTHEAST WINDS 10 TO 20 MPH WILL BE POSSIBLE. VISIBILITIES MAY BE REDUCED TO A QUARTER MILE OR LESS IN THE HEAVIER BANDS OF SNOW. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED THIS AFTERNOON. IN ADDITION TO SLICK ROADS...POOR VISIBILITIES DUE TO SNOW AND BLOWING SNOW WILL MAKE TRAVEL HAZARDOUS. 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. && $$ COZ039-042-043-210115- /O.CON.KBOU.WW.Y.0004.130221T0100Z-130221T1600Z/ BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY-NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER... STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN 1014 AM MST WED FEB 20 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MST THURSDAY... * TIMING...SNOW WILL DEVELOP BY EARLY THIS EVENING...AND MAY BE BRIEFLY HEAVY. SNOW WILL THEN TAPER OFF OVERNIGHT INTO EARLY THURSDAY MORNING. * SNOW ACCUMULATIONS...3 TO 6 INCHES. * WIND/VISIBILITY...NORTHEAST WINDS OF 10 TO 20 MPH WILL SHIFT MORE NORTHERLY LATE TONIGHT AND THURSDAY MORNING...WITH ONLY MINOR DRIFTING SNOW EXPECTED. VISIBILITY MAY BE REDUCED TO A QUARTER MILE AT TIMES IN AREAS OF HEAVY SNOW THIS EVENING. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED AS SNOW BECOMES MORE WIDESPREAD. IN ADDITION TO SLICK ROADS...POOR VISIBILITIES DUE TO SNOW AND BLOWING SNOW WILL MAKE TRAVEL HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
6 follow-up statements
775 WWUS45 KBOU 210004 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 504 PM MST WED FEB 20 2013 ...WINTER STORM HEADED FOR EASTERN COLORADO... .AN UPPER LEVEL STORM WILL MOVE ACROSS NEW MEXICO TONIGHT. MOISTURE WILL INCREASE AHEAD OF THIS SYSTEM WITH SNOW SPREADING NORTHWARD ACROSS NORTHEAST COLORADO AND BECOMING HEAVIER THIS EVENING. A LARGE AREA OF HEAVY SNOW IS EXPECTED ACROSS MOST OF EASTERN COLORADO...KANSAS...AND NEBRASKA FOR TONIGHT AND THURSDAY. ROADS WILL BE SNOW COVERED AND ICY WHICH WILL MAKE TRAVEL HAZARDOUS. TRAVEL IS NOT RECOMMENDED FROM JUST EAST OF DENVER INTO NEBRASKA AND KANSAS TONIGHT OR THURSDAY. COZ041-044>051-210815- /O.CON.KBOU.WS.W.0002.130221T0100Z-130222T0000Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- 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- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...FONDIS...KIOWA... LARKSPUR...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...BENNETT... BYERS...DEER TRAIL...LEADER...AGATE...HUGO...LIMON...MATHESON... FORDER...KARVAL...KUTCH...PUNKIN CENTER...CROOK...MERINO... STERLING...PEETZ...AKRON...COPE...LAST CHANCE...OTIS... JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE 504 PM MST WED FEB 20 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THURSDAY... * TIMING...SNOW WILL BECOME WIDESPREAD BY THIS EVENING AND MAY BE HEAVY AT TIMES TONIGHT. THE SNOW WILL GRADUALLY DIMINISH THURSDAY AFTERNOON. * SNOW ACCUMULATIONS...6 TO 12 INCHES. * WIND/VISIBILITY...EAST WINDS OF 15 TO 25 MPH WILL BECOME NORTHERLY THURSDAY. VISIBILITY WILL BE REDUCED TO A QUARTER MILE AT TIMES DUE TO HEAVY FALLING SNOW AND BLOWING SNOW. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED LATE THIS AFTERNOON AND EVENING. IN ADDITION TO SLICK ROADS...POOR VISIBILITIES DUE TO SNOW AND BLOWING SNOW WILL MAKE TRAVEL HAZARDOUS. SECONDARY ROADS MAY BECOME IMPASSABLE. 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. && $$ COZ036-039-040-042-043-210815- /O.CON.KBOU.WW.Y.0004.130221T0100Z-130221T1600Z/ JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-NORTHEAST WELD COUNTY- CENTRAL AND SOUTH WELD COUNTY- INCLUDING THE CITIES OF...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...ARVADA...BOULDER... GOLDEN...LAKEWOOD...LONGMONT...AURORA...BRIGHTON... CITY OF DENVER...DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH... LITTLETON...PARKER...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN 504 PM MST WED FEB 20 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THURSDAY... * TIMING...SNOW WILL INCREASE THIS EVENING...WITH MODERATE TO HEAVY BANDS OF SNOW AT TIMES. * SNOW ACCUMULATIONS...4 TO 8 INCHES EXPECTED. * WIND/VISIBILITY...NORTH WINDS 10 TO 20 MPH...WITH ONLY MINOR DRIFTING SNOW EXPECTED. VISIBILITY MAY BE REDUCED TO A QUARTER MILE AT TIMES IN AREAS OF HEAVY SNOW THIS EVENING. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED AS SNOW BECOMES MORE WIDESPREAD. IN ADDITION TO SLICK ROADS...POOR VISIBILITIES DUE TO SNOW AND BLOWING SNOW WILL MAKE TRAVEL HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ034-037-210815- /O.CON.KBOU.WW.Y.0004.000000T0000Z-130221T1300Z/ SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-CENTRAL AND SOUTHEAST PARK COUNTY- 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...FAIRPLAY... HARTSEL...LAKE GEORGE...SOUTH PARK 504 PM MST WED FEB 20 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MST THURSDAY... * TIMING...THE HEAVIEST SNOW IS EXPECTED TO OCCUR THIS EVENING...THEN START TO DECREASE AFTER MIDNIGHT. * SNOW ACCUMULATIONS...5 TO 10 INCHES...HEAVIEST ALONG AND SOUTH OF THE INTERSTATE 70 CORRIDOR. * WIND/VISIBILITY...EAST TO NORTHEAST WINDS 10 TO 20 MPH WILL BE POSSIBLE. VISIBILITIES MAY BE REDUCED TO A QUARTER MILE OR LESS IN THE HEAVIER BANDS OF SNOW. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED THIS AFTERNOON. IN ADDITION TO SLICK ROADS...POOR VISIBILITIES DUE TO SNOW AND BLOWING SNOW WILL MAKE TRAVEL HAZARDOUS. 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. && $$
954 WWUS45 KBOU 210351 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 851 PM MST WED FEB 20 2013 ...WINTER STORM AFFECTING EASTERN COLORADO... .AN UPPER LEVEL STORM WILL MOVE ACROSS NEW MEXICO TONIGHT AND THEN INTO CENTRAL KANSAS BY THURSDAY AFTERNOON. A LARGE AREA OF HEAVY SNOW IS EXPECTED ACROSS EASTERN COLORADO...KANSAS...AND NEBRASKA THROUGH THURSDAY. SO FAR SNOWFALL AMOUNTS OVER NORTHEAST COLORADO HAVE RANGED FROM 1 TO 3 INCHES. ROADS WILL BE SNOW COVERED AND ICY WHICH WILL MAKE TRAVEL HAZARDOUS. TRAVEL IS NOT RECOMMENDED FROM EAST OF DENVER INTO NEBRASKA AND KANSAS THROUGH THURSDAY. COZ041-044>051-211200- /O.CON.KBOU.WS.W.0002.000000T0000Z-130222T0000Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- 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- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...FONDIS...KIOWA... LARKSPUR...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...BENNETT... BYERS...DEER TRAIL...LEADER...AGATE...HUGO...LIMON...MATHESON... FORDER...KARVAL...KUTCH...PUNKIN CENTER...CROOK...MERINO... STERLING...PEETZ...AKRON...COPE...LAST CHANCE...OTIS... JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE 851 PM MST WED FEB 20 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THURSDAY... * TIMING...SNOW WILL CONTINUE OVERNIGHT AND MAY BE HEAVY AT TIMES. THE SNOW WILL GRADUALLY DIMINISH THURSDAY AFTERNOON. * SNOW ACCUMULATIONS...6 TO 12 INCHES. * WIND/VISIBILITY...EAST WINDS OF 15 TO 25 MPH WILL BECOME NORTHERLY THURSDAY. VISIBILITY WILL BE REDUCED TO A QUARTER MILE AT TIMES DUE TO HEAVY FALLING SNOW AND BLOWING SNOW. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED LATE THIS AFTERNOON AND EVENING. IN ADDITION TO SLICK ROADS...POOR VISIBILITIES DUE TO SNOW AND BLOWING SNOW WILL MAKE TRAVEL HAZARDOUS. SECONDARY ROADS MAY BECOME IMPASSABLE. 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. && $$ COZ036-039-040-042-043-211200- /O.CON.KBOU.WW.Y.0004.000000T0000Z-130221T1600Z/ JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- 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...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...ARVADA...BOULDER... GOLDEN...LAKEWOOD...LONGMONT...AURORA...BRIGHTON... CITY OF DENVER...DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH... LITTLETON...PARKER...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN 851 PM MST WED FEB 20 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THURSDAY... * TIMING...SNOW WILL CONTINUE OVERNIGHT AND THEN DIMINISH BY LATE THURSDAY MORNING. * SNOW ACCUMULATIONS...4 TO 8 INCHES EXPECTED. * WIND/VISIBILITY...NORTH WINDS 10 TO 20 MPH...WITH ONLY MINOR DRIFTING SNOW EXPECTED. VISIBILITY MAY BE REDUCED TO A QUARTER MILE AT TIMES IN AREAS OF HEAVY SNOW. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED AS SNOW BECOMES MORE WIDESPREAD. IN ADDITION TO SLICK ROADS...POOR VISIBILITIES DUE TO SNOW AND BLOWING SNOW WILL MAKE TRAVEL HAZARDOUS. 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. && $$ COZ034-037-211200- /O.CON.KBOU.WW.Y.0004.000000T0000Z-130221T1300Z/ SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING THE CITIES OF...BERTHOUD PASS...BRECKENRIDGE... EAST SLOPES MOSQUITO RANGE...EAST SLOPES SOUTHERN GORE RANGE... EISENHOWER TUNNEL...INDIAN PEAKS...KENOSHA MOUNTAINS... MOUNT EVANS...WILLIAMS FORK MOUNTAINS...WINTER PARK...FAIRPLAY... HARTSEL...LAKE GEORGE...SOUTH PARK 851 PM MST WED FEB 20 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MST THURSDAY... * TIMING...SNOW WILL CONTINUE OVERNIGHT AND THEN DIMINISH THURSDAY MORNING. * SNOW ACCUMULATIONS...5 TO 10 INCHES...HEAVIEST ALONG AND SOUTH OF THE INTERSTATE 70 CORRIDOR. * WIND/VISIBILITY...EAST TO NORTHEAST WINDS 10 TO 20 MPH WILL BE POSSIBLE. VISIBILITIES MAY BE REDUCED TO A QUARTER MILE OR LESS IN THE HEAVIER BANDS OF SNOW. * IMPACTS...ROADS WILL BECOME ICY AND SNOWPACKED THIS AFTERNOON. IN ADDITION TO SLICK ROADS...POOR VISIBILITIES DUE TO SNOW AND BLOWING SNOW WILL MAKE TRAVEL HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
502 WWUS45 KBOU 211152 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 452 AM MST THU FEB 21 2013 ...WINTER STORM AFFECTING EASTERN COLORADO... .AN UPPER LEVEL STORM WILL MOVE ACROSS THE TEXAS PAN HANDLE THIS MORNING AND THEN INTO CENTRAL KANSAS BY THIS AFTERNOON. A LARGE AREA OF SNOW WILL MOVE ACROSS EASTERN COLORADO...KANSAS...AND NEBRASKA THROUGH OUT THE DAY. ROADS WILL BE SNOW COVERED AND ICY WHICH WILL MAKE TRAVEL HAZARDOUS. COZ041-211600- /O.CAN.KBOU.WS.W.0002.000000T0000Z-130222T0000Z/ /O.EXA.KBOU.WW.Y.0004.000000T0000Z-130221T1600Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...FONDIS...KIOWA... LARKSPUR 452 AM MST THU FEB 21 2013 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MST THIS MORNING... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 9 AM MST THIS MORNING. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...LIGHT SNOW WILL CONTINUE THROUGH MID MORNING AND END BY THIS AFTERNOON. * SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 2 INCHES OF SNOW IS EXPECTED THIS MORNING. THE STORM TOTAL SNOW ACCUMULATION WILL BE 3 TO 6 INCHES. * IMPACTS...ROADS ARE ICY AND SNOWPACKED WHICH WILL MAKE TRAVEL HAZARDOUS. 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. && $$ COZ047-211800- /O.CAN.KBOU.WS.W.0002.000000T0000Z-130222T0000Z/ /O.EXB.KBOU.WW.Y.0004.000000T0000Z-130221T1800Z/ SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...FORDER...KARVAL...KUTCH...PUNKIN CENTER 452 AM MST THU FEB 21 2013 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST THIS MORNING... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 11 AM MST THIS MORNING. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...LIGHT SNOW WILL CONTINUE THIS MORNING AND THEN DIMINISH BY NOON. * SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 2 INCHES OF SNOW IS EXPECTED THIS MORNING. THE STORM TOTAL SNOW ACCUMULATION WILL BE 3 TO 6 INCHES. * IMPACTS...ROADS ARE ICY AND SNOWPACKED WHICH WILL MAKE TRAVEL HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ034-037-211300- /O.CAN.KBOU.WW.Y.0004.000000T0000Z-130221T1300Z/ SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-CENTRAL AND SOUTHEAST PARK COUNTY- 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...FAIRPLAY... HARTSEL...LAKE GEORGE...SOUTH PARK 452 AM MST THU FEB 21 2013 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER WEATHER ADVISORY. WIDESPREAD SNOW HAS ENDED ACROSS MOUNTAINS AND PARK COUNTY. THEREFORE THE WINTER WEATHER ADVISORY HAS BEEN CANCELED. SCATTERED SNOW SHOWERS WILL CONTINUE THROUGH THE DAY TODAY WITH LIGHT SNOW ACCUMULATIONS POSSIBLE. $$ COZ044>046-048>051-220000- /O.CON.KBOU.WS.W.0002.000000T0000Z-130222T0000Z/ MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY- PHILLIPS COUNTY- INCLUDING THE CITIES OF...BRUSH...FORT MORGAN...GOODRICH... WIGGINS...BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO... LIMON...MATHESON...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK... AMHERST...HAXTUN...HOLYOKE 452 AM MST THU FEB 21 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * TIMING...SNOW WILL CONTINUE THIS MORNING AND THEN DIMINISH THIS AFTERNOON. * SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 5 INCHES OF SNOW IS EXPECTED TODAY. THE STORM TOTAL SNOW ACCUMULATION WILL BE 4 TO 10 INCHES. * IMPACTS...ROADS ARE ICY AND SNOWPACKED WHICH WILL MAKE TRAVEL HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ036-039-040-042-043-211600- /O.CON.KBOU.WW.Y.0004.000000T0000Z-130221T1600Z/ JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- 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...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...ARVADA...BOULDER... GOLDEN...LAKEWOOD...LONGMONT...AURORA...BRIGHTON... CITY OF DENVER...DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH... LITTLETON...PARKER...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN 452 AM MST THU FEB 21 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * TIMING...LIGHT SNOW WILL CONTINUE THROUGH MID MORNING AND THEN DIMINISH BY NOON. * SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 2 INCHES OF SNOW IS EXPECTED THIS MORNING. THE STORM TOTAL SNOW ACCUMULATION WILL BE 3 TO 6 INCHES. * IMPACTS...ROADS ARE ICY AND SNOWPACKED WHICH WILL MAKE TRAVEL HAZARDOUS. 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. && $$
055 WWUS45 KBOU 211546 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 846 AM MST THU FEB 21 2013 ...WINTER STORM AFFECTING EASTERN COLORADO... .AN UPPER LEVEL STORM WILL MOVE NORTHEAST ACROSS THE CENTRAL PLAINS STATES THIS AFTERNOON. SNOW WILL GRADUALLY DECREASE LATE THIS MORNING ACROSS THE FRONT RANGE URBAN CORRIDOR. MEANWHILE... ACROSS THE EASTERN PLAINS OF COLORADO...SNOW HAD DIMINISHED THIS MORNING BUT ANOTHER ROUND OF SNOW IS EXPECTED TO PUSH BACK WESTWARD THIS AFTERNOON. AT THIS TIME...MOST OF THE ADDITIONAL ACCUMULATING SNOW LATER TODAY IS EXPECTED TO OCCUR ALONG AND EAST OF A LINE FROM STERLING TO AKRON AND LIMON. TOTAL SNOW ACCUMULATIONS SO FAR HAVE RANGED BETWEEN 2 AND 5 INCHES ACROSS THE FRONT RANGE URBAN CORRIDOR SOUTH OF LOVELAND...WITH 4 TO 6 INCH AMOUNTS COMMON ACROSS THE EASTERN PLAINS OF COLORADO AND THE SOUTHERN FRONT RANGE FOOTHILLS. COZ044>046-048>051-220000- /O.CON.KBOU.WS.W.0002.000000T0000Z-130222T0000Z/ MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY- PHILLIPS COUNTY- INCLUDING THE CITIES OF...BRUSH...FORT MORGAN...GOODRICH... WIGGINS...BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO... LIMON...MATHESON...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK... AMHERST...HAXTUN...HOLYOKE 846 AM MST THU FEB 21 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * TIMING...AFTER A LULL IN SNOW THIS MORNING...ONE MORE ROUND OF SNOW IS EXPECTED TO DEVELOP THIS AFTERNOON. THE SNOW WILL THEN DECREASE BY EARLY EVENING. * SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 3 INCHES OF SNOW IS EXPECTED LATER TODAY...MAINLY EAST OF A STERLING TO AKRON LINE. THIS WILL BRING STORM TOTAL ACCUMULATIONS INTO THE 5 TO 9 INCH RANGE...WITH THE HEAVIEST AMOUNTS TOWARD THE NEBRASKA AND KANSAS BORDERS. * IMPACTS...ROADS ARE ICY AND SNOWPACKED WHICH WILL MAKE TRAVEL HAZARDOUS. 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. && $$ COZ036-039>043-211800- /O.EXT.KBOU.WW.Y.0004.000000T0000Z-130221T1800Z/ JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- 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...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...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 846 AM MST THU FEB 21 2013 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 AM MST THIS MORNING... * TIMING...LIGHT SNOW WILL CONTINUE THROUGH LATE MORNING AND THEN DIMINISH BY NOON. * SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS AROUND 1 INCH CAN BE EXPECTED...BRINGING MOST STORM TOTALS INTO THE 3 TO 6 INCH RANGE. * IMPACTS...ROADS ARE ICY AND SNOWPACKED WHICH WILL MAKE TRAVEL HAZARDOUS. 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. && $$ COZ047-211800- /O.CON.KBOU.WW.Y.0004.000000T0000Z-130221T1800Z/ SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...FORDER...KARVAL...KUTCH...PUNKIN CENTER 846 AM MST THU FEB 21 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * TIMING...LIGHT SNOW WILL CONTINUE THIS MORNING AND THEN DIMINISH BY NOON. * SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 2 INCHES OF SNOW IS EXPECTED THIS MORNING. THE STORM TOTAL SNOW ACCUMULATION WILL BE 3 TO 6 INCHES. * IMPACTS...ROADS ARE ICY AND SNOWPACKED WHICH WILL MAKE TRAVEL HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
432 WWUS45 KBOU 211742 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1042 AM MST THU FEB 21 2013 ...WINTER STORM WINDING DOWN... .AN UPPER LEVEL STORM SYSTEM WILL CONTINUE TO MOVE NORTHEAST ACROSS THE CENTRAL PLAINS STATES THIS AFTERNOON. SNOW HAD DECREASED IN MOST AREAS LATE THIS MORNING...AND LITTLE IF ANY ADDITIONAL ACCUMULATION IS EXPECTED. THE EXCEPTION IS OVER THE FAR NORTHEAST PLAINS WHERE ANOTHER ROUND OF SNOW IS EXPECTED TO PUSH BACK WESTWARD THIS AFTERNOON. MOST OF THIS ADDITIONAL SNOWFALL WILL BE ALONG AND EAST OF A LINE FROM SEDGWICK TO HOLYOKE WHERE ANOTHER 1 TO 3 INCHES CAN BE EXPECTED. COZ044>046-048-049-211845- /O.CAN.KBOU.WS.W.0002.000000T0000Z-130222T0000Z/ 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...BRUSH...FORT MORGAN...GOODRICH... WIGGINS...BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO... LIMON...MATHESON...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS 1042 AM MST THU FEB 21 2013 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER STORM WARNING. ONLY VERY LIGHT SNOW OR FLURRIES CAN BE EXPECTED INTO THE AFTERNOON WITH LITTLE IF ANY ADDITIONAL ACCUMULATION. NORTH WINDS GUSTING TO BETWEEN 20 AND 25 MPH OVER LINCOLN COUNTY WILL PRODUCE MINOR DRIFTING SNOW. $$ COZ036-039>043-047-211845- /O.CAN.KBOU.WW.Y.0004.000000T0000Z-130221T1800Z/ JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...ARVADA...BOULDER... GOLDEN...LAKEWOOD...LONGMONT...AURORA...BRIGHTON... CITY OF DENVER...DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH... LITTLETON...PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA... LARKSPUR...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER... STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN...FORDER... KARVAL...KUTCH...PUNKIN CENTER 1042 AM MST THU FEB 21 2013 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER WEATHER ADVISORY. LINGERING LIGHT SNOW SHOWERS OR FLURRIES WILL COME TO AN END THIS AFTERNOON. $$ COZ050-051-220000- /O.CON.KBOU.WS.W.0002.000000T0000Z-130222T0000Z/ SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...JULESBURG...OVID...SEDGWICK...AMHERST... HAXTUN...HOLYOKE 1042 AM MST THU FEB 21 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * TIMING...AFTER A LULL IN THE SNOW THIS MORNING...ONE MORE ROUND OF SNOW IS EXPECTED TO DEVELOP THIS AFTERNOON. THE SNOW WILL THEN DECREASE AGAIN BY EARLY EVENING. * SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 3 INCHES OF SNOW IS EXPECTED THIS AFTERNOON...MAINLY ALONG AND EAST OF A SEDGWICK TO HOLYOKE LINE. THIS WILL BRING STORM TOTAL ACCUMULATIONS INTO THE 5 TO 9 INCH RANGE...WITH THE HEAVIEST AMOUNTS TOWARD THE NEBRASKA BORDER. * IMPACTS...ROADS ARE ICY AND SNOWPACKED WHICH WILL MAKE TRAVEL HAZARDOUS. 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. && $$
550 WWUS45 KBOU 220001 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 501 PM MST THU FEB 21 2013 ...THE WINTER STORM WARNING FOR THE NORTHEAST CORNER OF COLORADO HAS EXPIRED... COZ050-051-220115- /O.CAN.KBOU.WS.W.0002.000000T0000Z-130222T0000Z/ SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...JULESBURG...OVID...SEDGWICK...AMHERST... HAXTUN...HOLYOKE 501 PM MST THU FEB 21 2013 ...WINTER STORM WARNING FOR SEDGWICK AND PHILLIPS COUNTIES HAS EXPIRED... THERE MAY BE SCATTERED LIGHT SNOW SHOWERS OVER PHILLIPS AND SEDGWICK COUNTIES EARLY THIS EVENING...BUT ADDITIONAL SNOW ACCUMULATION IS NOT EXPECTED. $$
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 Feb 20, 10:08 AM MST, 6 minutes earlier.
Area forecast discussion, Feb 20, 10:08 AM MST, 6 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1008 AM MST WED FEB 20 2013 .UPDATE...MODELS CONTINUE TO STRUGGLE WITH THIS STORM SYSTEM APPROACHING TONIGHT. HAVE CONFIDENCE IN SEEING SNOW OVER THE ENTIRE FORECAST AREA...BUT CONFIDENCE IS LACKING IN EXACTLY THE PATTERN OF AMOUNTS. OVERALL THE EASTERN PLAINS WILL SEE ENOUGH SNOWFALL AMOUNTS DUE TO DYNAMICS AND LIFT FOR A WARNING...THUS HAVE UPGRADED THE WATCH FOR ZONES 44 THROUGH 51 FOR EXPECTED AMOUNTS OF 6 TO 12 INCHES. MOISTURE CONVERGENCE AND INSTABILITY WILL HELP IN AREAS WEST OF THIS TOWARD THE SOUTHERN FOOTHILLS AND PARK COUNTY FOR AN ADVISORY. HAVE ADDED THE DENVER METRO AREA AND THE SOUTHERN FOOTHILLS TO THE CURRENT ADVISORY...FOR AMOUNTS OF 4 TO 8 INCHES EXPECTED. PARK COUNTY WILL LIKELY SEE BETWEEN 7 TO 10 INCHES. THE CONVECTIVE PART OF THIS STORM COULD PLAY HAVOC WITH THE EXPECTED SNOWFALL AMOUNTS. THIS COMBINED WITH MODEL AGREEMENT BEING POOR...WILL CONTINUE TO MONITOR AND UPDATE THE FORECAST AS NECESSARY. HAVE ALSO COOLED MAX TEMPERATURES OFF TODAY WITH SO MUCH CLOUD COVER. HAVE MINIMIZED THE AREA OF RAIN MIXING WITH SNOW TODAY TO FAR SOUTH LINCOLN COUNTY. && .AVIATION...LIGHT WINDS LATE THIS MORNING WILL BECOME EASTERLY BY THIS AFTN AS THE STORM SYSTEM APPROACHES FROM THE SOUTHWEST. BY THIS EVENING SFC WINDS WILL INCREASE AND BE E-NELY. VFR CIGS/VSBYS UNTIL 20-21Z...THEN BKN CIGS 040-050 AS SNOW SHOWERS DEVELOP. IFR CIGS/VSBYS WILL DEVELOP AFTER 00-01Z AS SNOW AND BLOWING SNOW DEVELOPS. THE SNOWFALL WILL BE HEAVIEST IN THE 03Z TO 15Z TIME FRAME. CURRENT FORECAST SNOW AMOUNTS OF 6-8 INCHES AT KDEN AND KAPA...WITH LESSER AMOUNTS OF 3-5 INCHES AT KBJC THROUGH 16Z THURSDAY MORNING. && .PREV DISCUSSION... /ISSUED 327 AM MST WED FEB 20 2013/ SHORT TERM...AN UPPER LEVEL TROUGH OVER SOUTHERN CALIFORNIA THIS MORNING CONTINUES TO CHURN UP MOISTURE AHEAD OF IT. THIS SYSTEM IS PROGGED TO MOVE EAST ACROSS ARIZONA TODAY...THEN EAST NORTHEAST ACROSS NORTHERN NEW MEXICO TONIGHT. THE STORM IS EXPECTED TO STRENGTHEN AS IT MOVES INTO THE TEXAS PANHANDLE BY 12Z THURSDAY. IN THE MOUNTAINS TODAY...INCREASING QG ASCENT WILL DEVELOP...WITH MODERATE TO STRONG ASCENT DEVELOPING AOA 700 MB THIS AFTERNOON AND TONIGHT. ZONES 34 AND 37 HAVE THE GREATEST POTENTIAL FOR MODERATE TO HEAVY SNOW. AHEAD OF THE TROUGH...MDLS SOUNDINGS OVER SOUTH PARK INDICATE DEEP SOUTHEASTERLY FLOW TO 450 MB THIS AFTN COUPLED WITH CAPES OF 300 J/KG. COULD SEE A BURST OF THUNDERSNOW DEVELOP THIS AFTERNOON WITH LOCALIZED SNOWFALL RATES IN EXCESS 2 INCHES PER HOUR WITH A THUNDERSTORM. ENOUGH CONCERN TO GO WITH A WINTER WEATHER ADVISORY FOR ZONES 34 AND 37 THIS AFTERNOON AND TONIGHT. ELSEWHERE IN THE MOUNTAINS...A LITTLE OF EVERYTHING BUT NOT ENOUGH OF ANY ONE PARTICULAR ELEMENT TO PRODUCE HIGHLIGHT CRITERIA SNOWFALL. AS FAR AS THE URBAN CORRIDOR AND NORTHEAST PLAINS ARE CONCERNED...MDLS CONTINUE TO DEVELOP MORE SNOW IN THE DENVER AREA...ESPECIALLY EAST OF INTERSTATE 25. NOT CONCERNED WITH SNOWFALL THIS AFTERNOON SO HAVE PUSHED THE WATCH INTO THE SECOND PERIOD. WILL CONTINUE WITH THE WATCH FOR NOW...BUT ELECTED TO INCLUDE ZONES 39..42 AND 43 IN A WINTER WEATHER ADVISORY TONIGHT INTO THURSDAY MORNING. SNOW AMOUNTS GENERATED BY THE MDLS APPEAR OVERDONE SO HAVE BACKED OFF THOSE AMOUNTS SOME...BUT IT STILL LOOKS LIKE THE GREATEST POTENTIAL FOR HEAVY SNOW WILL OCCUR EAST OF INTERSTATE 25 AND SOUTH OF INTERSTATE 76. NORTHEAST SURFACE WINDS THIS EVENING WILL BECOME MORE NORTH/NORTHWESTERLY LATE TONIGHT AS THE STORM SYSTEM STRENGTHENS AS IT NEARS THE TEXAS PANHANDLE. LONG TERM...THE STRONG STORM SYSTEM WILL BE CENTERED OVER THE TEXAS PAN HANDLE COME THURSDAY MORNING. SNOW WILL DECREASE ACROSS THE FRONT RANGE DURING THE MORNING HOURS AS THE LOW EJECTS NORTH INTO KANSAS. STILL EXPECT WRAP AROUND SNOW TO CONTINUE THROUGH THE AFTERNOON OVER FAR EASTERN COLORADO. SNOW SHOWERS WILL PERSIST THROUGH THE DAY IN THE MOUNTAINS. ENOUGH THOUGH LARGE SCALE LIFT DECREASES DURING THE DAY...THE AIRMASS WILL BE UNSTABLE SO EXPECT AREAS OF SNOW THROUGH THE DAY IN THE MOUNTAINS. SNOW WILL COME TO AN END FOR MOST LOCATIONS THURSDAY EVENING. STILL COULD SEE MOUNTAIN SNOW SHOWERS THROUGH THE NIGHT DUE TO A WEAK UPPER LEVEL TROUGH MOVING SOUTHEAST ACROSS THE FOUR CORNERS. ANY ADDITIONAL SNOW THURSDAY NIGHT WILL BE LIGHT. FOR FRIDAY...NORTHWEST FLOW ALOFT WILL PREVAIL. EXPECT OROGRAPHIC SNOW SHOWERS OVER THE MOUNTAINS DUE TO THE FAVORABLE NORTHWEST FLOW...LAPSE RATES OF 6-8 K/CM AND DEEP MOISTURE. LOCAL SNOW MODEL SHOWING 2 TO 6 INCHES OF SNOW FOR FRIDAY. WILL INCREASE POPS FOR THIS. THE MOUNTAIN SNOW WILL TAPER OFF FRIDAY EVENING AS FLOW ALOFT DRIES AND TURNS WESTERLY AS THE NEXT STORM SYSTEM MOVES OVER THE PACIFIC NORTHWEST. WEAK RIDGING WILL TAKE PLACE OVER COLORADO EARLY SATURDAY IN ADVANCE OF THE NEXT APPROACHING STORM SYSTEM. THIS WILL PRODUCE A DRY AND MILD DAY FOR NORTHEAST COLORADO. MOISTURE WILL INCREASE OVER THE MOUNTAINS SATURDAY AFTERNOON AND A FEW SNOW SHOWERS WILL BE POSSIBLE. STILL A LOT OF UNCERTAINTY ON HOW THIS NEXT STORM EVOLVES. APPEARS THE GFS IS TOO PROGRESSIVE WITH THIS SYSTEM. THE ECMWF AND CANADIAN MODELS SHOW THIS TROUGH DIGGING TO THE FOUR CORNERS SATURDAY NIGHT. THE TROUGH WILL CLOSE OFF AS IT MOVES ACROSS NEW MEXICO ON SUNDAY. THE LOW WILL THEN EJECT NORTHEAST ACROSS THE CENTRAL PLAINS SUNDAY NIGHT AND MONDAY. WILL HAVE A CHANCE OF SNOW IN THE FORECAST FOR SATURDAY NIGHT THROUGH SUNDAY NIGHT WITH SYSTEM. THIS STORM WILL NOT BE ABLE TO TAP INTO THE SUB TROPICAL PACIFIC MOISTURE LIKE THE CURRENT SYSTEM TAKING AIM ON THE AREA...SO NOT EXPECTING AS MUCH SNOW WITH THIS NEXT SYSTEM. FOR EARLY NEXT WEEK...NOT MUCH CHANGE IN THE PATTERN. MODELS PREDICT WEAK RIDGING MONDAY FOLLOWED BY ANOTHER STORM SYSTEM FOR TUESDAY. WILL KEEP TEMPERATURES BELOW NORMAL FOR EARLY NEXT WEEK AND MENTION A CHANCE/SLIGHT CHANCE FOR SNOW ON TUESDAY AND TUESDAY NIGHT. AVIATION...DENVER CYCLONE THIS MORNING HAS ALLOWED FOR THE SFC WINDS TO BECOME WEST/NORTHWESTERLY AT THIS TIME. MDL ANALYSIS INDICATES A NORTHWEST/NORTHERLY COMPONENT DEVELOP THROUGH 17-18Z...THEN AN EASTERLY WIND COMPONENT THIS AFTN AS THE STORM SYSTEM APPROACHES FROM THE SOUTHWEST. BY THIS EVENING SFC WINDS WILL INCREASE AND BE E-NELY. VFR CIGS/VSBYS UNTIL 20-21Z...THEN BKN CIGS 040-050 AS SNOW SHOWERS DEVELOP. IFR CIGS/VSBYS WILL DEVELOP AFTER 00-01Z AS SNOW AND BLOWING SNOW DEVELOPS. THE SNOWFALL WILL BE HEAVIEST IN THE 03Z TO 15Z TIME FRAME. CURRENT FORECAST SNOW AMOUNTS OF 6-8 INCHES AT KDEN AND KAPA...WITH LESSER AMOUNTS OF 3-5 INCHES AT KBJC THROUGH 16Z THURSDAY MORNING. && .BOU WATCHES/WARNINGS/ADVISORIES... WINTER STORM WARNING FROM 6 PM THIS EVENING TO 5 PM MST THURSDAY FOR COZ041-044>051. WINTER WEATHER ADVISORY UNTIL 6 AM MST THURSDAY FOR COZ034-037. WINTER WEATHER ADVISORY FROM 6 PM THIS EVENING TO 9 AM MST THURSDAY FOR COZ036-039-040-042-043. && SHORT TERM...COOPER LONG TERM....MEIER UPDATE/AVIATION...KRIEDERMAN
Hazardous weather outlook, Feb 20, 4:35 AM MST, 5 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER/BOULDER CO 435 AM MST WED FEB 20 2013 COZ030>051-211145- 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- 435 AM MST WED FEB 20 2013 ...WINTER STORM TO MOVE ACROSS EASTERN COLORADO... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT SNOW WILL DEVELOP IN THE MOUNTAINS THIS AFTERNOON...HEAVIEST SOUTH OF INTERSTATE 70 AND IN SOUTH PARK. THERE WILL BE A SLIGHT CHANCE OF THUNDERSTORMS AS WELL...WHICH WILL PRODUCE VERY HEAVY SNOW OVER A SHORT AMOUNT OF TIME. A CHANCE OF SNOW WILL DEVELOP ACROSS THE URBAN CORRIDOR AND ADJACENT PLAINS THIS AFTERNOON. SNOW...HEAVY AT TIMES...WILL BECOME WIDESPREAD TONIGHT. THE SNOW WILL BE HEAVIEST EAST OF INTERSTATE 25 AND SOUTH OF INTERSTATE 76. AREAS OF BLOWING AND DRIFTING SNOW WILL CAUSE HAZARDOUS DRIVING CONDITIONS. A STORM SYSTEM WILL BE ACROSS THE DESERT SOUTHWEST TODAY...THEN ACROSS NORTHERN NEW MEXICO TONIGHT. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SNOW WILL COME TO AN END DURING THE MORNING HOURS ALONG THE FRONT RANGE...BUT CONTINUE INTO THE AFTERNOON IN THE MOUNTAINS AND ACROSS THE EASTERN PLAINS. STORM TOTAL SNOWFALL AMOUNTS WILL APPROACH 6 TO 12 INCHES OVER THE FAR EASTERN PLAINS. FOR THE DENVER METRO AREA...3 TO 8 INCHES OF SNOW IS EXPECTED WITH THE HEAVIER AMOUNTS EAST OF INTERSTATE 25. STORM TOTAL AMOUNTS IN THE MOUNTAINS WILL GENERALLY RANGE FROM 4 TO 8 INCHES WITH UP TO 10 INCHES SOUTH OF INTERSTATE 70. MOUNTAIN SNOW WILL REDEVELOP FRIDAY UNDER A MOIST NORTHWEST FLOW ALOFT. BEST CHANCE FOR SNOW WILL BE ALONG WEST AND NORTHWEST FACING SLOPES. DRY CONDITIONS WILL PREVAIL SATURDAY AHEAD OF THE NEXT STORM SYSTEM. THIS SYSTEM IS EXPECTED TO BRING SNOW TO PARTS OF COLORADO AS IT MOVES ACROSS THE ROCKIES SOMETIME LATE SATURDAY AND SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 20, 4:17 AM MST | Winter Weather Advisory | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 9 more | 30 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.