Alert archive / Colorado / Winter Storm Warnings in 2008
Winter Storm Warning 6, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at Mar 16, 2008, 6:37 PM MDT for 9 counties in Colorado. It took effect at Mar 16, 2008, 9:00 PM MDT. It was in force for 12 hr. 8 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
- Mar 16, 2008, 6:37 PM MDT (00:37 UTC)
- In effect from
- Mar 16, 2008, 9:00 PM MDT
- Expired
- Mar 17, 2008, 9:04 AM MDT
- In force
- 12 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Adams County, CO, Arapahoe 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), 96 km from the middle of the area, began a volume at 00:36 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 |
|---|---|---|---|
| Mar 17, 4:48 AM MDT | SNOW 4.5 | Limon, CO | |
| Mar 17, 6:00 AM MDT | SNOW 2.3 | 6 Ne Thornton, CO | |
| Mar 17, 6:30 AM MDT | SNOW 4 | 13 Sse Lindon, CO | |
| Mar 17, 6:45 AM MDT | SNOW 2.4 | Holyoke, CO | |
| Mar 17, 7:00 AM MDT | SNOW 2 | Karval, CO | |
| Mar 17, 7:15 AM MDT | SNOW 0.8 | 4 Sse Bennett, CO | |
| Mar 17, 7:45 AM MDT | SNOW 1.5 | 7 S Aurora, CO | |
| Mar 17, 7:55 AM MDT | HEAVY SNOW 6.2 | 11 Ese Holyoke, 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, 0.6 hours before the alert went out and 26 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
- 2 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 680 m above ground
- 0-6 km bulk shear
- 82 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 277 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS45 KBOU 170037 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 637 PM MDT SUN MAR 16 2008 ...LATE WINTER STORM TAKING AIM ON NORTH CENTRAL AND NORTHEAST COLORADO... SNOW HAD SPREAD ACROSS THE MOUNTAINS AND FOOTHILLS EARLY THIS EVENING AND WILL CONTINUE TO INCREASE IN INTENSITY ACROSS THE FRONT RANGE THROUGH THE REST OF THE NIGHT. ON THE PLAINS...A MIX OF RAIN AND SNOW WAS DEVELOPING AND PRECIPITATION IS EXPECTED TO CHANGE TO ALL SNOW IN MOST AREAS BY MID EVENING. THE SNOW MAY BE HEAVY AT TIMES FROM LATE THIS EVENING THROUGH MONDAY MORNING. CONDITIONS ARE EXPECTED TO QUICKLY IMPROVE BY LATE MONDAY AFTERNOON AS THIS STORM SYSTEM MOVES EAST OF THE STATE. RESIDENTS OF NORTH CENTRAL AND NORTHEAST COLORADO SHOULD ANTICIPATE SIGNIFICANT SNOWFALL BY MONDAY AFTERNOON. WHILE STRONG WINDS ARE NOT EXPECTED WITH THE STORM...THERE MAY STILL BE ENOUGH WIND TO PRODUCE SOME BLOWING AND DRIFTING SNOW...ESPECIALLY ON THE EASTERN PLAINS. ROAD CONDITIONS WILL DETERIORATE QUICKLY IN THE HIGH COUNTRY THIS EVENING AND THEN ACROSS THE PLAINS DURING THE LATE EVENING AND OVERNIGHT HOURS AS SNOW INTENSIFIES. ALLOW PLENTY OF EXTRA TIME FOR THE MONDAY MORNING COMMUTE. STAY TUNED TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL MEDIA OUTLET FOR THE LATEST FORECASTS AND INFORMATION ON THIS DEVELOPING WINTER STORM. COZ044>046-048>051-170845- /O.UPG.KBOU.SN.Y.0005.080317T1200Z-080318T0000Z/ /O.NEW.KBOU.WS.W.0006.080317T0300Z-080317T2100Z/ 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...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 637 PM MDT SUN MAR 16 2008 ...WINTER STORM WARNING IN EFFECT UNTIL 3 PM MDT MONDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT UNTIL 3 PM MDT MONDAY. THE SNOW ADVISORY IS NO LONGER IN EFFECT. SNOW WILL SPREAD NORTHEASTWARD ACROSS THE NORTHEAST PLAINS OF COLORADO THROUGH THIS EVENING AND BE HEAVY AT TIMES THROUGH EARLY MONDAY MORNING. THE SNOW WILL DECREASE MONDAY AFTERNOON. TOTAL ACCUMULATIONS OF 4 TO 9 INCHES CAN BE EXPECTED. IN ADDITION...EAST TO NORTHEAST WINDS OF 15 TO 25 MPH WITH GUSTS UP TO 30 MPH WILL PRODUCE SOME BLOWING AND DRIFTING SNOW...ESPECIALLY IN OPEN AREAS. REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW ACCUMULATIONS ARE OCCURRING OR EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ COZ037-170845- /O.UPG.KBOU.SN.Y.0005.080317T0600Z-080317T2100Z/ /O.EXB.KBOU.HS.W.0001.080317T0037Z-080317T2100Z/ CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING...FAIRPLAY...HARTSEL...LAKE GEORGE...SOUTH PARK 637 PM MDT SUN MAR 16 2008 ...HEAVY SNOW WARNING IN EFFECT UNTIL 3 PM MDT MONDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HEAVY SNOW WARNING...WHICH IS IN EFFECT UNTIL 3 PM MDT MONDAY. THE SNOW ADVISORY IS NO LONGER IN EFFECT. SNOW WILL CONTINUE THROUGH LATE MONDAY MORNING BEFORE TAPERING OFF TO SCATTERED SNOW SHOWERS IN THE AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES ARE LIKELY WITH THIS STORM. NORTHEAST WINDS OF 15 TO 25 MPH MAY ALSO PRODUCE SOME BLOWING SNOW. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ COZ033>036-170845- /O.EXT.KBOU.HS.W.0001.080317T0011Z-080317T2100Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING...CAMERON PASS...LARAMIE AND MEDICINE BOW MOUNTAINS... RABBIT EARS RANGE...ROCKY MOUNTAIN NATIONAL PARK... WILLOW CREEK PASS...BERTHOUD PASS...BRECKENRIDGE... EAST SLOPES MOSQUITO RANGE...EAST SLOPES SOUTHERN GORE RANGE... EISENHOWER TUNNEL...INDIAN PEAKS...KENOSHA MOUNTAINS... MOUNT EVANS...WILLIAMS FORK MOUNTAINS...WINTER PARK... ESTES PARK...GLENDEVEY...NEDERLAND...RED FEATHER LAKES...BAILEY... CENTRAL CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 637 PM MDT SUN MAR 16 2008 ...HEAVY SNOW WARNING NOW IN EFFECT UNTIL 3 PM MDT MONDAY... THE HEAVY SNOW WARNING IS NOW IN EFFECT UNTIL 3 PM MDT MONDAY. SNOW WILL CONTINUE TO INCREASE IN INTENSITY ACROSS THE MOUNTAINS AND FRONT RANGE FOOTHILLS TONIGHT. BY THE TIME SNOW DECREASES MONDAY AFTERNOON...TOTAL ACCUMULATIONS OF 8 TO 16 INCHES CAN BE EXPECTED...WITH THE HEAVIEST AMOUNTS ACROSS THE FRONT RANGE FOOTHILLS. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ COZ038>043-170845- /O.EXT.KBOU.HS.W.0001.080317T0300Z-080317T2100Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY- INCLUDING...FORT COLLINS...HEREFORD...LOVELAND...NUNN...ARVADA... BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA...BRIGHTON... CITY OF DENVER...DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH... LITTLETON...PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA... LARKSPUR...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER... STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN 637 PM MDT SUN MAR 16 2008 ...HEAVY SNOW WARNING NOW IN EFFECT UNTIL 3 PM MDT MONDAY... THE HEAVY SNOW WARNING IS NOW IN EFFECT UNTIL 3 PM MDT MONDAY. A MIX OF RAIN AND SNOW WILL CHANGE TO ALL SNOW THIS EVENING. THE SNOW WILL THEN INCREASE IN INTENSITY DURING THE LATE EVENING AND OVERNIGHT HOURS. TOTAL SNOW ACCUMULATIONS OF 5 TO 9 INCHES CAN BE EXPECTED BEFORE THE SNOW DECREASES MONDAY AFTERNOON. NORTH TO NORTHEAST WINDS OF 15 TO 25 MPH MAY PRODUCE SOME MINOR BLOWING AND DRIFTING SNOW IN OPEN AREAS. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ COZ047-170845- /O.NEW.KBOU.SB.Y.0015.080317T0300Z-080317T2100Z/ SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- INCLUDING...FORDER...KARVAL...KUTCH...PUNKIN CENTER 637 PM MDT SUN MAR 16 2008 ...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 3 PM MDT MONDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SNOW AND BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 3 PM MDT MONDAY. A MIX OF RAIN AND SNOW THIS EVENING WILL CHANGE TO ALL SNOW LATE THIS EVENING AND CONTINUE OVERNIGHT. TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES CAN BE EXPECTED BEFORE THE SNOW DECREASES MONDAY AFTERNOON. EAST TO NORTHEAST WINDS OF 15 TO 25 MPH WITH GUSTS UP TO 30 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ BARJENBRUCH
3 follow-up statements
000 WWUS45 KBOU 170339 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 938 PM MDT SUN MAR 16 2008 ...LATE WINTER STORM HITTING NORTH CENTRAL AND NORTHEAST COLORADO... SNOW WILL CONTINUE TO INTENSIFY AND OVERSPREAD THE REGION TONIGHT AS A STORM SYSTEM MOVES SLOWLY EASTWARD ACROSS ARIZONA AND NEW MEXICO. THE SNOW WILL BE HEAVY AT TIMES THROUGH MONDAY MORNING...WITH SNOWFALL RATES UP TO 1 INCH PER HOUR. RESIDENTS OF NORTH CENTRAL AND NORTHEAST COLORADO SHOULD ANTICIPATE SIGNIFICANT SNOW ACCUMULATIONS. WHILE STRONG WINDS ARE NOT EXPECTED WITH THIS STORM...THERE MAY STILL BE ENOUGH WIND TO PRODUCE SOME BLOWING AND DRIFTING SNOW...ESPECIALLY ON THE EASTERN PLAINS. ROAD CONDITIONS WILL CONTINUE TO DETERIORATE THROUGH THE COURSE OF THE NIGHT AS THE SNOW INTENSIFIES. ALLOW PLENTY OF EXTRA TIME FOR THE MONDAY MORNING COMMUTE AS ROADS WILL BE SLUSHY... SNOWPACKED...AND HAZARDOUS. CONDITIONS ARE EXPECTED TO QUICKLY IMPROVE BY LATE MONDAY AFTERNOON AS THIS STORM SYSTEM MOVES EAST OF THE STATE. STAY TUNED TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL MEDIA OUTLET FOR THE LATEST FORECASTS AND INFORMATION ON THIS DEVELOPING WINTER STORM. COZ033>036-171145- /O.CON.KBOU.HS.W.0001.000000T0000Z-080317T2100Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING...CAMERON PASS...LARAMIE AND MEDICINE BOW MOUNTAINS... RABBIT EARS RANGE...ROCKY MOUNTAIN NATIONAL PARK... WILLOW CREEK PASS...BERTHOUD PASS...BRECKENRIDGE... EAST SLOPES MOSQUITO RANGE...EAST SLOPES SOUTHERN GORE RANGE... EISENHOWER TUNNEL...INDIAN PEAKS...KENOSHA MOUNTAINS... MOUNT EVANS...WILLIAMS FORK MOUNTAINS...WINTER PARK... ESTES PARK...GLENDEVEY...NEDERLAND...RED FEATHER LAKES...BAILEY... CENTRAL CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 938 PM MDT SUN MAR 16 2008 ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 3 PM MDT MONDAY... A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 3 PM MDT MONDAY. SNOW...HEAVY AT TIMES...WILL CONTINUE ACROSS THE MOUNTAINS AND FRONT RANGE FOOTHILLS TONIGHT AND MONDAY MORNING. BY THE TIME SNOW DECREASES MONDAY AFTERNOON...TOTAL ACCUMULATIONS OF 8 TO 16 INCHES CAN BE EXPECTED. THE HEAVIEST AMOUNTS WILL OCCUR ACROSS THE FRONT RANGE FOOTHILLS. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ COZ038>043-171145- /O.CON.KBOU.HS.W.0001.000000T0000Z-080317T2100Z/ 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- INCLUDING...FORT COLLINS...HEREFORD...LOVELAND...NUNN...ARVADA... BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA...BRIGHTON... CITY OF DENVER...DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH... LITTLETON...PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA... LARKSPUR...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER... STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN 938 PM MDT SUN MAR 16 2008 ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 3 PM MDT MONDAY... A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 3 PM MDT MONDAY. SNOW WILL INTENSIFY AND OVERSPREAD THE FRONT RANGE I-25 CORRIDOR AND POINTS EASTWARD THROUGH THE OVERNIGHT HOURS. TOTAL SNOW ACCUMULATIONS OF 5 TO 9 INCHES CAN BE EXPECTED BEFORE THE SNOW DECREASES MONDAY AFTERNOON. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ COZ037-171145- /O.CON.KBOU.HS.W.0001.000000T0000Z-080317T2100Z/ CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING...FAIRPLAY...HARTSEL...LAKE GEORGE...SOUTH PARK 938 PM MDT SUN MAR 16 2008 ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 3 PM MDT MONDAY... A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 3 PM MDT MONDAY. SNOW WILL CONTINUE THROUGH LATE MONDAY MORNING BEFORE TAPERING OFF TO SCATTERED SNOW SHOWERS IN THE AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 6 TO 10 INCHES ARE LIKELY WITH THIS STORM. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ COZ044>046-048>051-171145- /O.CON.KBOU.WS.W.0006.000000T0000Z-080317T2100Z/ 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...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 938 PM MDT SUN MAR 16 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MDT MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MDT MONDAY. SNOW WILL OVERSPREAD THE NORTHEAST PLAINS OF COLORADO OVERNIGHT AND WILL BE HEAVY AT TIMES THROUGH MONDAY MORNING. TOTAL ACCUMULATIONS OF 5 TO 9 INCHES CAN BE EXPECTED BEFORE THE SNOW DIMINISHES MONDAY AFTERNOON. IN ADDITION...EAST TO NORTHEAST WINDS OF 10 TO 20 MPH WILL PRODUCE SOME MINOR BLOWING AND DRIFTING SNOW IN OPEN AREAS. REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW ACCUMULATIONS ARE OCCURRING OR EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ COZ047-171145- /O.CON.KBOU.SB.Y.0015.000000T0000Z-080317T2100Z/ SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- INCLUDING...FORDER...KARVAL...KUTCH...PUNKIN CENTER 938 PM MDT SUN MAR 16 2008 ...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 3 PM MDT MONDAY... SNOW WILL CONTINUE THROUGH TONIGHT AND MONDAY MORNING. TOTAL ACCUMULATIONS OF 3 TO 5 INCHES CAN BE EXPECTED BEFORE THE SNOW DECREASES MONDAY AFTERNOON. EAST TO NORTHEAST WINDS OF 15 TO 25 MPH WITH GUSTS UP TO 30 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$
000 WWUS45 KBOU 170903 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 303 AM MDT MON MAR 17 2008 ...SNOW CONTINUING TODAY OVER NORTH CENTRAL AND NORTHEAST COLORADO... A LARGE AND SOMEWHAT DISORGANIZED WINTER STORM WILL MOVE OUT OF THE SOUTHERN ROCKIES INTO THE PLAINS TODAY. SNOW WILL CONTINUE ACROSS EASTERN COLORADO THIS MORNING...THEN DIMINISH THIS AFTERNOON AS THE STORM MOVES AWAY FROM THE AREA. WITH THE DISORGANIZED NATURE OF THE STORM...SNOWFALL WILL CONTINUE TO BE RATHER ERRATIC. HOWEVER...LIGHT SNOW IS EXPECTED TO CONTINUE MUCH OF THE DAY WITH AREAS OF HEAVIER SNOWFALL THIS MORNING. ROAD CONDITIONS WILL LIKELY VARY AS WELL...BUT THERE WILL BE SLUSHY OR SNOWPACKED ROADS IN MANY AREAS. DURING THE EVENING AND EARLY MORNING HOURS THE HEAVIEST SNOWFALL WAS IN A BAND FROM THE FOOTHILLS WEST OF DENVER TOWARD THE NORTHEAST THROUGH BOULDER...FORT COLLINS...AND GREELEY. THESE AREAS RECEIVED 3 TO 5 INCHES OF SNOWFALL. WHILE THE DENVER AREA WAS SPARED SIGNIFICANT SNOWFALL LAST EVENING...SEVERAL INCHES OF SNOW ARE STILL EXPECTED THIS MORNING WHICH WILL CAUSE TRAVEL CONDITIONS TO DETERIORATE. ON THE PLAINS SEVERAL INCHES OF SNOW FELL IN A NARROW BAND ACROSS EASTERN ELBERT...LINCOLN...AND SOUTHERN WASHINGTON COUNTIES OVERNIGHT. THIS SNOW BAND WAS EXPANDING NORTHWARD EARLY THIS MORNING...AND AREAS THAT DID NOT GET SIGNIFICANT SNOW LAST EVENING CAN STILL EXPECT SEVERAL INCHES OF SNOW TODAY. COZ033>036-171715- /O.CON.KBOU.HS.W.0001.000000T0000Z-080317T2100Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING...CAMERON PASS...LARAMIE AND MEDICINE BOW MOUNTAINS... RABBIT EARS RANGE...ROCKY MOUNTAIN NATIONAL PARK... WILLOW CREEK PASS...BERTHOUD PASS...BRECKENRIDGE... EAST SLOPES MOSQUITO RANGE...EAST SLOPES SOUTHERN GORE RANGE... EISENHOWER TUNNEL...INDIAN PEAKS...KENOSHA MOUNTAINS... MOUNT EVANS...WILLIAMS FORK MOUNTAINS...WINTER PARK... ESTES PARK...GLENDEVEY...NEDERLAND...RED FEATHER LAKES...BAILEY... CENTRAL CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 303 AM MDT MON MAR 17 2008 ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON. SNOW WILL CONTINUE ACROSS THE MOUNTAINS AND FRONT RANGE FOOTHILLS TODAY. THE SNOW MAY BE HEAVY AT TIMES...ESPECIALLY IN THE FOOTHILLS FROM BOULDER SOUTHWARD. BY THE TIME SNOW DECREASES MONDAY AFTERNOON...TOTAL ACCUMULATIONS OF 8 TO 16 INCHES CAN BE EXPECTED...WITH THE HEAVIEST AMOUNTS IN THE FOOTHILLS WEST AND SOUTHWEST OF DENVER. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ COZ038>043-171715- /O.CON.KBOU.HS.W.0001.000000T0000Z-080317T2100Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY- INCLUDING...FORT COLLINS...HEREFORD...LOVELAND...NUNN...ARVADA... BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA...BRIGHTON... CITY OF DENVER...DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH... LITTLETON...PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA... LARKSPUR...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER... STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN 303 AM MDT MON MAR 17 2008 ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON. SNOW WILL CONTINUE THIS MORNING AND MAY BE HEAVY AT TIMES... ESPECIALLY IN THE SOUTHERN AND WESTERN PARTS OF THE DENVER METRO AREA. TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES CAN BE EXPECTED BEFORE THE SNOW DECREASES MONDAY AFTERNOON. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ COZ037-171715- /O.CON.KBOU.HS.W.0001.000000T0000Z-080317T2100Z/ CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING...FAIRPLAY...HARTSEL...LAKE GEORGE...SOUTH PARK 303 AM MDT MON MAR 17 2008 ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON. SNOW WILL CONTINUE THIS MORNING AND WILL BE HEAVY AT TIMES. THE SNOW WILL DIMINISH THIS AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 6 TO 10 INCHES ARE LIKELY WITH THIS STORM. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ COZ044>046-048>051-171715- /O.CON.KBOU.WS.W.0006.000000T0000Z-080317T2100Z/ MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY- PHILLIPS COUNTY- INCLUDING...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...BENNETT... BYERS...DEER TRAIL...LEADER...AGATE...HUGO...LIMON...MATHESON... CROOK...MERINO...STERLING...PEETZ...AKRON...COPE...LAST CHANCE... OTIS...JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE 303 AM MDT MON MAR 17 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON. SNOW WILL CONTINUE TODAY AND MAY BE HEAVY AT TIMES THIS MORNING. TOTAL ACCUMULATIONS OF 5 TO 9 INCHES CAN BE EXPECTED BEFORE THE SNOW DIMINISHES MONDAY AFTERNOON. REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW ACCUMULATIONS ARE OCCURRING OR EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ COZ047-171715- /O.CON.KBOU.SB.Y.0015.000000T0000Z-080317T2100Z/ SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- INCLUDING...FORDER...KARVAL...KUTCH...PUNKIN CENTER 303 AM MDT MON MAR 17 2008 ...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON. SNOW WILL CONTINUE THIS MORNING...THEN DIMINISH THIS AFTERNOON. STORM TOTAL SNOWFALL OF 3 TO 6 INCHES IS EXPECTED. TRAVELERS SHOULD EXPECT AREAS OF SNOWPACKED OR ICY ROADS TODAY. $$ GIMMESTAD
000 WWUS45 KBOU 171504 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 904 AM MDT MON MAR 17 2008 SNOWFALL HAS DECREASED CONSIDERABLY IN THE NORTHERN MOUNTAINS AND ACROSS MOST OF THE NORTHEAST PLAINS OF COLORADO EARLY THIS MORNING. ALTHOUGH...LIGHT TO MODERATE SNOWFALL HAS CONTINUED ACROSS PARK COUNTY AND OVER THE SOUTHERN FRONT RANGE FOOTHILLS TO THE WEST AND SOUTHWEST OF DENVER. THESE HIGHER ELEVATION AREAS MAY STILL SEE ADDITIONAL ACCUMULATION THROUGH THE MORNING AS A PIECE OF STORM ENERGY NOW OVER THE FOUR CORNERS TRACKS EAST ACROSS NORTHERN NEW MEXICO LATER TODAY. SNOWFALL MAY ALSO REDEVELOP ON THE HIGH PLAINS ON EAST CENTRAL COLORADO LATER THIS MORNING. THIS INCLUDES THE PALMER DIVIDE SOUTH AND SOUTHEAST OF THE DENVER METRO AREA. HOWEVER TEMPERATURES BY THAT TIME SHOULD BECOME WARM ENOUGH TO NOT ALLOW MUCH IF ANY NEW ACCUMULATION IN THESE AREAS. COZ036-037-172000- /O.CAN.KBOU.HS.W.0001.000000T0000Z-080317T2100Z/ /O.NEW.KBOU.SN.Y.0006.080317T1504Z-080317T2000Z/ JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING...BAILEY...CENTRAL CITY...EVERGREEN...GEORGETOWN... IDAHO SPRINGS...WESTCREEK...FAIRPLAY...HARTSEL...LAKE GEORGE... SOUTH PARK 904 AM MDT MON MAR 17 2008 ...SNOW ADVISORY IN EFFECT UNTIL 2 PM MDT THIS AFTERNOON... ...HEAVY SNOW WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 2 PM MDT THIS AFTERNOON. THE HEAVY SNOW WARNING HAS BEEN CANCELLED. SNOW WILL CONTINUE THROUGH EARLY THIS AFTERNOON ACROSS SOUTH PARK AND OVER SOUTHERN PORTIONS OF THE FRONT RANGE FOOTHILLS...INCLUDING THE TERRYALL MOUNTAINS IN EASTERN PARK COUNTY. NEW SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE STILL LIKELY IN THESE AREAS. BECAUSE STRONG WINDS ARE NOT LIKELY WITH THIS SNOWFALL...DRIFTING SNOW IS NOT ANTICIPATED. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE SOME TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ COZ033>035-038>043-171615- /O.CAN.KBOU.HS.W.0001.000000T0000Z-080317T2100Z/ 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- 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- INCLUDING...CAMERON PASS...LARAMIE AND MEDICINE BOW MOUNTAINS... RABBIT EARS RANGE...ROCKY MOUNTAIN NATIONAL PARK... WILLOW CREEK PASS...BERTHOUD PASS...BRECKENRIDGE... EAST SLOPES MOSQUITO RANGE...EAST SLOPES SOUTHERN GORE RANGE... EISENHOWER TUNNEL...INDIAN PEAKS...KENOSHA MOUNTAINS... MOUNT EVANS...WILLIAMS FORK MOUNTAINS...WINTER PARK... ESTES PARK...GLENDEVEY...NEDERLAND...RED FEATHER LAKES... FORT COLLINS...HEREFORD...LOVELAND...NUNN...ARVADA...BOULDER... GOLDEN...LAKEWOOD...LONGMONT...AURORA...BRIGHTON... CITY OF DENVER...DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH... LITTLETON...PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA... LARKSPUR...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER... STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN 904 AM MDT MON MAR 17 2008 ...HEAVY SNOW WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE HEAVY SNOW WARNING. SNOWFALL WILL DECREASE AND EVENTUALLY END THIS MORNING IN THE MOUNTAINS...OVER THE NORTHERN FRONT RANGE FOOTHILLS...NORTHERN AND CENTRAL PORTIONS OF THE I-25 URBAN CORRIDOR...AND ACROSS MOST OF NORTHEAST COLORADO. NEW SNOW ACCUMULATION IN THESE AREAS SHOULD BE UNDER AN INCH. WHEREAS IN THE FOOTHILLS OF BOULDER...CLEAR CREEK AND GILPIN COUNTIES...AS WELL AS THE WESTERN AND SOUTHWESTERN SUBURBS OF DENVER...ANOTHER INCH OR SO OF SNOW ACCUMULATION... MAINLY ON GRASSY SURFACES...CAN BE EXPECTED IN THESE AREAS BY EARLY THIS AFTERNOON. $$ COZ044>046-048>051-171615- /O.CAN.KBOU.WS.W.0006.000000T0000Z-080317T2100Z/ MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY- PHILLIPS COUNTY- INCLUDING...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...BENNETT... BYERS...DEER TRAIL...LEADER...AGATE...HUGO...LIMON...MATHESON... CROOK...MERINO...STERLING...PEETZ...AKRON...COPE...LAST CHANCE... OTIS...JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE 904 AM MDT MON MAR 17 2008 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER STORM WARNING. LIGHT SNOW EARLY THIS MORNING SHOULD COME TO AN END IN MOST AREAS BY LATE THIS MORNING. LITTLE ADDITIONAL SNOW ACCUMULATION IS ANTICIPATED. $$ COZ047-171615- /O.CAN.KBOU.SB.Y.0015.000000T0000Z-080317T2100Z/ SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- INCLUDING...FORDER...KARVAL...KUTCH...PUNKIN CENTER 904 AM MDT MON MAR 17 2008 ...SNOW AND BLOWING SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE SNOW AND BLOWING SNOW ADVISORY. AREAS OF LIGHT SNOW EARLY THIS MORNING SHOULD END BY LATE THIS MORNING. NO ADDITIONAL SNOW ACCUMULATION IS ANTICIPATED. $$ BAKER
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Denver/Boulder, CO wrote its last area forecast discussion before this winter storm warning went out at Mar 16, 3:30 PM MDT, 3 hours 7 minutes earlier.
Area forecast discussion, Mar 16, 3:30 PM MDT, 3 hours 7 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER CO 330 PM MDT SUN MAR 16 2008 .SHORT TERM...A TRICKY FORECAST NEXT 24 HOURS. TIGHTLY WOUND UP UPR LVL VORTEX OVER N-CENTRAL ARIZONA ATTM AS EVIDENT ON SATELLITE IMAGERY NOW GENERATING QUITE A BIT OF MID AND HIGH CLOUD COVER OVER SRN AND WRN COLORADO...PRETTY IN RESPONSE TO STRONG ISENTROPIC UPGLIDE. AT LOW LEVELS...AIR ADVECTING UP FROM NEW MEXICO STILL QUITE DRY WITH SFC DEWPTS ONLY IN THE SINGLE DIGITS AND TEENS. MEANWHILE EAST OF THE MTNS...STRENGTHENING SELY FLOW SFC TO AROUND 750 MBS HAVE YET TO ADVECT IN THE HIGHER DEWPOINTS IN THE TEXAS/OKLAHOMA PANHANDLE AREA. FURTHERMORE LOW CLOUDS BLANKETING NERN COLORADO HAVE PRETTY MUCH SQUELCHED ANY CHANCE OF T-STORM DVLPMNT THIS AFTN. FOR TONIGHT...MODELS CONTINUE TO OFFER A RANGE OF POSSIBLE SCENERIOS FOR SNOWFALL AND SNOW AMOUNTS. 12Z NAM SHOWED THE HEAVIEST SNOW ACCUMULATION OVER THE NORTHERN FRONT RANGE FOOTHILLS AND URBAN CORRIDOR LATE TONIGHT AND MONDAY MORNING. HOWEVER THE 18Z RUN HAS SHIFTED THIS AREA OF MAXIMUM SNOW ACCUMULATION SOUTHWARD OVER THE SOUTHERN URBAN CORRIDOR...THE PALMER DIVIDE AND OUT ACROSS WASHINGTON COUNTY. WHILE THE 12Z GFS INDICATES A SIMILAR PATTERN AS WELL AS A HEAVY BAND OF SNOW ACCUMULATION UP ALONG THE FRONT RANGE TO THE WYOMING BORDER. ALL DEPENDS HOW THE UPPER LOW LIFTS OUT ACROSS THE STATE. QG VERTICAL VELOCITY FIELDS INDICATE STRONG UPWARD MOTION OVER PRETTY MUCH OVER THE ENTIRE CWFA AROUND 12Z/MONDAY. FCST SOUNDINGS AND CROSS SECTIONS ALSO SHOW THE DEVELOPMENT OF RELATIVELY DEEP EAST-SOUTHEAST FLOW IN THE EVENING AND NORTHEASTERLY FLOW AFTER MIDNIGHT THROUGH MONDAY MORNING. PRECIPITABLE WATER VAPOR AMOUNTS ALSO ON THE RISE THRU THE PERIOD AS THE UPPER LOW PASSES TO OUR SOUTH DURING THE DAY. AT THIS TIME...WOULD NOT EXPECT TO SEE STRONG SFC WINDS WITH THIS SYSTEM. SO WIDESPREAD BLOWING AND DRIFTING SNOW NOT A BIG CONCERN. THAT SAID...HAVE UPGRADED OUR WINTER STORM WATCH FOR THE FRONT RANGE...PALMER DIVIDE AND FRONT RANGE URBAN CORRIDOR TO A HEAVY SNOW WARNING. WARNING RUNS FROM MIDNIGHT TONIGHT TO 18Z/MONDAY. TOTAL SNOW ACCUMULATIONS EXPECTED TO RANGE FROM 8 TO 16 INCHES IN THE FRONT RANGE AND LOWER FOOTHILLS...6 TO 12 INCHES ON THE PALMER DIVIDE...AND 4 TO 9 INCHES IN THE I-25 URBAN CORRIDOR AS WELL AS WELD COUNTY. FARTHER OUT ONTO THE PLAINS...THE WATCH HAS BEEN REPLACED WITH A SNOW ADVISORY. AGAIN STRONG WINDS NOT EXPECTED TO DEVELOP. ALTHOUGH SOME BLOWING AND DRIFTING SNOW A POSSIBILITY IN OPEN AREAS. BY LATE ON MONDAY ALL MODELS SHOW STRONG UPWARD MOTION BEING REPLACED BY WEAK DOWNWARD MOTION AS THE UPPER LOW PASSES TO THE SOUTHEAST OF COLORADO. SHOULD SEE GRADUAL IMPROVEMENT STARING WITH THE PARK AND GORE RANGES...AND NORTH PARK DURING THE AFTERNOON. AS FOR TEMPERATURES...OVERNIGHT LOWS NOT EXPECTED TO FALL MUCH BLOW FREEZING ON THE PLAINS AS THE APPROACHING AIRMASS MARITIME IN ORIGIN. HOWEVER A POOL OF COLD AIR OVER NEBRASKA AND THE DAKOTAS WILL LIKELY BE THE SOURCE REGION FOR THE COLDER TEMPERATURES LATE TONIGHT AND TOMORROW. ON MONDAY...SHOULD SEE ONLY SLIGHT WARMING ALTHOUGH EXPECT TO SEE HIGH PLAINS READINGS CLIMBING ABOVE FREEZING IN THE AFTERNOON. .LONG TERM...THE UPPER LEVEL SYSTEM WILL WEAKEN AND MOVE EAST OF THE AREA MON NIGHT WITH PCPN QUICKLY ENDING OVER THE NERN PLAINS BY EARLY EVENING. IN THE MTNS CROSS-SECTIONS SHOWS MOISTURE DECREASING OVERNIGHT SO ONLY EXPECT SCT -SHSN. ON TUE THE FLOW ALOFT WILL BE WNW WITH SOME LINGERING MOISTURE IN THE MTNS SO WILL KEEP SLIGHT CHC OF -SHSN IN FCST. OVER NERN CO IT SHOULD BE DRY WITH SOME MODERATION IN TEMPS AS 850-700 MB READINGS RISE AROUND 3 TO 4 DEGREES C. FOR TUE NIGHT INTO WED THE FLOW ALOFT WILL BECOME MORE WLY. CROSS-SECTIONS CONTINUE TO SHOW SOME MOISTURE IN THE MTNS WITH FAVORABLE OROGRAPHICS BUT LAPSE RATES ARE NOT THAT UNSTABLE SO WILL ONLY MENTION SCT -SHSN. OVER NERN CO NAM AND GFS DIFFER SOMEWHAT ON DETAILS FOR WED. NAM SHOWS A FRONT MOVING ACROSS NERN CO WHILE GFS SHOWS A LEE TROUGH DEVELOPING. AS A RESULT NAM HAS COOLER TEMPS WHILE THE GFS SHOWS WARMER HIGHS WITH DOWNSLOPE SWLY LOW LEVEL FLOW. PREVIOUS FCST HAD WARMER TEMPS SO FOR NOW WILL GO TREND WITH GFS. WED NIGHT INTO THU NOT MUCH CHANGE EXPECTED AS ZONAL FLOW ALOFT WILL STILL BE OVER THE AREA. CROSS-SECTIONS CONTINUE TO SHOW VARYING AMOUNTS OF MOISTURE IN THE MTNS WED NIGHT AND THU HOWEVER LAPSE RATES DO BECOME MORE UNSTABLE BY THU SO WILL KEEP A MENTION OF SOME -SHSN. OVER NERN CO IT SHOULD BE DRY WITH TEMPS NEAR OR SLIGHTLY ABOVE SEASONAL NORMALS. BY FRI THE FLOW ALOFT WILL BECOME MORE WSW AHEAD OF AN UPPER LEVEL TROUGH. ABUNDANT MOISTURE IS SHOWN IN THE MTNS HOWEVER WITH 700 MB WINDS BECOMING MORE SWLY OROGRAPHICS WILL NOT BE AS FAVORABLE. OVER NERN CO IT LOOKS GENERALLY DRY WITH SEASONAL TEMPS. FOR NEXT WEEKEND THE LONGER RANGE MODELS ARE ALL OVER THE PLACE WITH THE STRENGTH AND TIMING AN UPPER LEVEL TROUGH. LAST NIGHTS GFS SHOWED A STG CLOSED LOW DEVELOPING OVER COLORADO LATE SAT INTO SUN WHILE THE LATEST 12Z RUN SHOWS THIS SYSTEM MUCH FASTER AND NOT AS STG. THE 00Z ECMWF WAS MORE IN LINE WITH THE LATEST 12Z GFS. IF I WERE TO BELIEVE THE LATEST GFS A STG CDFNT WOULD AFFECT NERN CO FRI NIGHT INTO SAT WITH DECENT UPSLOPE DEVELOPING AND A GOOD CHC OF PCPN WHILE THE PREVIOUS 00Z RUN HAD A DRY AND MILD DAY FOR NEXT SAT WITH THE BEST CHC OF PCPN FROM SAT NIGHT INTO SUN. CONSIDERING THE AMOUNT OF UNCERTAINTY WILL ONLY MENTION A SLIGHT CHC OF PCPN FOR NEXT WEEKEND AS THE MODELS WILL LIKELY SHOW VARYING SOLUTIONS OVER THE NEXT FEW DAYS. && .AVIATION...SCATTERED RAIN AND SNOW SHOWERS EARLY THIS EVENING WILL LIKELY CHANGE OVER TO SNOW AFTER 03Z THIS EVENING...WITH ACCUMULATING SNOW BEFORE MIDNIGHT MDT. VFR CONDITIONS THROUGH 02Z... THEN IFR CEILINGS AND VSBYS WITH MODERATE TO HEAVY SNOW AND AREAS OF FOG OVERNIGHT. LIFR CONDITIONS MAY DEVELOP BETWEEN 09Z AND 18Z DURING THE PERIOD TO BEST UPSLOPE FLOW. && .BOU WATCHES/WARNINGS/ADVISORIES...HEAVY SNOW WARNING LATE TONIGHT THROUGH MONDAY MORNING FOR THE FRONT RANGE MOUNTAINS AND FOOTHILLS...THE PALMER DIVIDE AND I-25 URBAN CORRIDOR...ZONES 33>36 AND 38>43 SNOW ADVISORY ON MONDAY FOR MOST OF THE NORTHEAST PLAINS...ZONES 44>51. && BAKER/RPK
Hazardous weather outlook, Mar 16, 11:14 AM MDT, 7 hours 23 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER CO 1114 AM MDT SUN MAR 16 2008 COZ030>051-171200- JACKSON COUNTY BELOW 9000 FEET-WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/GILPIN/CLEAR CREEK/ SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-CENTRAL AND SOUTHEAST PARK COUNTY-LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY-NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/ EAST BROOMFIELD COUNTY-ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 1114 AM MDT SUN MAR 16 2008 ...WINTER STORM WATCH REMAINS IN EFFECT FOR MUCH OF NORTH CENTRAL AND NORTHEAST COLORADO... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT A STORM SYSTEM STRUGGLING TO ORGANIZE OVER THE DESERT SOUTHWEST HAS YET TO HAVE MUCH IMPACT ON THE OUTLOOK AREA AS OF LATE SUNDAY MORNING. HOWEVER AS THIS STORM SYSTEM GRADUALLY MOVES EAST THIS AFTERNOON...EXPECT LIGHT TO MODERATE SNOW TO SPREAD NORTHWARD OVER THE HIGHER MOUNTAIN ELEVATIONS AND SOUTH PARK. ON THE PLAINS BECAUSE OF THE SLOW PROGRESS OF THIS WEATHER SYSTEM...SCATTERED RAIN SHOWERS ARE NOT EXPECTED TO DEVELOP UNTIL MUCH LATER THIS AFTERNOON. FURTHERMORE DUE TO THE EXTENSIVE LOW CLOUD COVER OVER MUCH OF NORTHEAST COLORADO...THE CHANCE FOR ANY THUNDERSTORMS APPEARS MINIMAL AT BEST. BY TONIGHT...SNOW SHOULD BECOME MORE WIDESPREAD IN THE HIGH COUNTRY WITH SEVERAL INCHES OF ACCUMULATION BY MORNING. ON THE PLAINS...SCATTERED RAIN SHOWERS THIS EVENING SHOULD QUICKLY CHANGE OVER TO SNOW BY AROUND MIDNIGHT WITH THE DEVELOPMENT OF GUSTY NORTHEAST WINDS. IN AREAS UP ALONG THE FRONT RANGE SEVERAL INCHES OF WET SNOW MAY ACCUMULATE BY MORNING. WHEREAS IN AREAS OUT NEAR THE EASTERN BORDER...PRECIPITATION OVERNIGHT MAY REMAIN AS RAIN. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY WIDESPREAD SNOW IS EXPECTED ON MONDAY ACROSS THE FORECAST AREA. STORM TOTAL ACCUMULATIONS OF 5 TO 10 INCHES ARE POSSIBLE ON THE PLAINS WITH 8 TO 16 INCHES ON THE EAST SLOPES OF THE FRONT RANGE. A CHANCE OF SNOW WILL CONTINUE IN THE MOUNTAINS FROM MONDAY NIGHT THROUGH WEDNESDAY...WITH A SLIGHT CHANCE FROM THURSDAY NIGHT THROUGH NEXT WEEKEND. THE PLAINS WILL BE DRY FROM MONDAY EVENING INTO NEXT WEEKEND. TEMPERATURES WILL BE AT OR SLIGHTLY ABOVE SEASONAL NORMALS FROM WEDNESDAY THROUGH SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. BAKER/RPK
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 6:37 PM MDT | Snow and Blowing Snow Advisory | BOU | Elbert, Lincoln | 14 hr |
| Mar 17, 9:04 AM MDT | Snow Advisory | BOU | Clear Creek, Douglas, Gilpin, Jefferson, Park | 4 hr |
Nearby
Winter Storm Warnings in Colorado, 2008Every winter storm warning in 2008
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.