The combination of upslope conditions along the Front Range and enhanced banding associated with the passage of an upper level jet, produced moderate to heavy snowfall in and near the Front Range Mountains and Foothills. 5 inches at Georgetown and 2 miles south-southeast of Jamestown; 8 inches at Berthoud SNOTEL; with 7 inches near Estes Park, Fort Collins, Ken Caryl and Littleton.
Every event with a place to put it; 7 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS BOU wrote it up.
The combination of upslope conditions along the Front Range and enhanced banding associated with the passage of an upper level jet, produced moderate to heavy snowfall in and near the Front Range Mountains and Foothills. Some of the 3-day storm totals included: 16 inches, 3 miles southeast of Breckenridge, 15.5 inches just southwest of Keystone; 14 inches, 2 miles southwest of Boulder and Eldorado Springs; 13 inches at Grant; 12 inches at Silverthorne and the National Weather Service in Boulder; 11.5 inches, 5 miles west-southwest of Fraser; 11 inches near Idledale, 10 inches at Genesee and Winter Park; 9 inches near Allenspark, and Grizzly Peak; 8.5 inches at Georgetown and 2 miles south-southeast of Jamestown; 8 inches at Berthoud SNOTEL; with 7 inches near Estes Park, Fort Collins, Ken Caryl and Littleton. Lesser amounts of 4 to 6 inches were measured elsewhere.
The local office's own words before the first event, 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 the first event at Nov 11, 3:46 AM MST, 1 hour 14 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER/BOULDER CO 346 AM MST TUE NOV 11 2014 .SHORT TERM...(TODAY THROUGH TONIGHT ) ISSUED AT 346 AM MST TUE NOV 11 2014 CLOSED UPPER LEVEL LOW OVER THE NORTHERN PLAINS WILL SAG SOUTHEAST TODAY AND TONIGHT. THE JET STREAM WILL ALSO MOVE SOUTH OVER NORTHERN COLORADO BY TONIGHT. AT THE SURFACE...A STRONG SURFACE HIGH OVER MONTANA WILL SINK SOUTH TONIGHT. CLOCKWISE FLOW AROUND THE HIGH PRESSURE SYSTEM WILL KEEP NORTH TO NORTHEAST WINDS ACROSS NORTHEAST COLORADO. AS IT MOVES SOUTH...IT WILL PUSH THE NEXT SURGE OF COLD AIR INTO THE STATE LATE TONIGHT. THE SURGE OF ARCTIC AIR AND UPSLOPE WINDS COMBINED WITH THE JET STREAM OVERHEAD WILL PRODUCE LIFT OVER THE AREA. EXPECT LIGHT SNOW TO ENTER NORTHERN COLORADO THIS AFTERNOON AND SLOWLY SINK SOUTH OVERNIGHT. NOT A LOT OF MOISTURE WITH THIS SYSTEM. MODELS SHOWING QPF AROUND TENTH INCH OR LESS TONIGHT OVER NORTHEAST COLORADO. HOWEVER WITH SNOW RATIOS OF 20 TO 1 OR GREATER...EXPECT 1 TO 3 INCHES OF SNOW IN THE DENVER AREA BY WEDNESDAY MORNING... POSSIBLE SLIGHTLY MORE TO THE NORTH OVER LARIMER COUNTY. DO NOT EXPECT MUCH WARMING TODAY DUE TO CLOUD COVER...SNOW ON THE GROUND AND THE COLD AIRMASS. HIGHS WILL STRUGGLE TO REACH 20 DEGREES FOR MOST OF NORTHEAST COLORADO. AS THE NEXT SURGE OF COLD AIR ENTERS COLORADO TONIGHT...TEMPERATURES WILL FALL TO AROUND ZERO WITH SUB ZERO TEMPERATURES EXPECTED IN THE FOOTHILLS. .LONG TERM...(WEDNESDAY THROUGH MONDAY) ISSUED AT 346 AM MST TUE NOV 11 2014 MODELS KEEP A WESTERLY JET MAXIMUM ACROSS THE NORTHERN BORDER OF COLORADO WEDNESDAY. A WEAK UPPER TROUGH MOVES ACROSS DURING THE DAY THEN STRONG NORTHWESTERLY FLOW ALOFT PREVAILS WEDNESDAY NIGHT INTO EARLY THURSDAY. THE FLOW DECREASES SOMEWHAT AND IS WEST- NORTHWESTERLY THURSDAY NIGHT. THE UPWARD SYNOPTIC SCALE ENERGY WITH THE TROUGH IS WEAK AND RELEGATED TO THE SOUTHERN AND WESTERN CWA WEDNESDAY AND WEDNESDAY EVENING. THE QG VERTICAL VELOCITY FIELDS SHOW BENIGN ENERGY AFTER THAT THROUGH THURSDAY NIGHT. THE LOW LEVEL UPSLOPE HANGS AROUND UNTIL WEDNESDAY IN THE EVENING. SOUTHEASTERLIES ARE PROGGED ON THURSDAY...WITH A WEAK PRESSURE GRADIENT FOR THURSDAY NIGHT. THE EXPECTED SNOW FIELD IN PLACE WILL LIKELY ALTER THE NORMAL DRAINAGE PATTERNS. MOISTURE IS FAIRLY DEEP ON WEDNESDAY IN THE EVENING ON THE NAM AND ECMWF...BUT THE GFS IS UNCHARACTERISTICALLY DRIER. THE NAM KEEPS DECENT MOISTURE AROUND INTO THURSDAY MORNING...THE ECMWF DRIES US OUT SOMEWHAT AFTER MIDNIGHT WEDNESDAY NIGHT. THE QPF FIELDS SHOW LIMITED MEASURABLE SNOWFALL OVER NEARLY ALL THE CWA WEDNESDAY THROUGH WEDNESDAY EVENING. ALL THE PARAMETERS POINT TO SNOW ON WEDNESDAY FOR MOST AREAS...BUT AMOUNTS WILL BE LIMITED...NO HIGHLIGHTS. ON THURSDAY...THERE WILL BE PLENTY OF MOISTURE IN THE MOUNTAINS ALONG WITH OROGRAPHIC HELP...HOWEVER THERE IS SOME WARMING. WILL STILL GO WITH FAIRLY HIGH POPS THERE. FOR TEMPERATURES... WEDENSDAY'S HIGHS WILL BE 2-6 C COLDER THAN TODAY'S HIGHS. FOR THE LATER DAYS...FRIDAY THROUGH MONDAY...ZONAL FLOW IS PROGGED FRIDAY...WITH AN UPPER TROUGH TO SLIDE ACROSS FOR SATURDAY. A DECENT COLD FRONT WITH UPSLOPE BEHIND IT IS EXPECTED FOR THE PLAINS SATURDAY CONTINUING INTO SATURDAY NIGHT. THERE IS A NORTHWESTERLY JET MAXIMUM ACROSS THE FORECAST AREA SATURDAY AFTERNOON PRETTY MUCH THROUGH MONDAY. MOISTURE IS PRETTY GOOD FOR THE MOUNTAINS ON FRIDAY AND SATURDAY AND FOR THE PLAINS SATURDAY INTO THE NIGHT. SUNDAY AND MONDAY DRY OUT AND WARM UP A LITTLE BIT. && .AVIATION...(FOR THE TAFS THROUGH 12Z WEDNESDAY MORNING) ISSUED AT 346 AM MST TUE NOV 11 2014 LOW CLOUDS WITH CEILINGS OF 3000 TO 6000 FEET ARE EXPECTED TO PERSIST THROUGH TODAY AND THEN LOWER TONIGHT AS THE NEXT SURGE OF COLDER AIR MOVES INTO COLORADO. LIGHT SNOW IS EXPECTED TO DEVELOP THIS AFTERNOON OR EARLY EVENING AND THEN CONTINUE OVERNIGHT. SNOWFALL AMOUNTS OF 1 TO 3 INCHES ARE EXPECTED TONIGHT WITH AN ADDITIONAL INCH OR TWO WILL POSSIBLE WEDNESDAY. WINDS WILL VARY FROM NORTH TO EAST TODAY AND TONIGHT AT SPEEDS LESS THAN 20 KNOTS. && .BOU WATCHES/WARNINGS/ADVISORIES... NONE. && SHORT TERM...MEIER LONG TERM...RJK AVIATION...MEIER
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1010 AM MST MON NOV 10 2014 COZ030>051-111715- 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- 1010 AM MST MON NOV 10 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT A STRONG COLD FRONT WILL CONTINUE TO PUSH SOUTHWARD ACROSS NORTHERN COLORADO THIS MORNING. TEMPERATURES WILL TURN SHARPLY COLDER WITH NORTH WINDS GUSTING TO 50 MPH ON THE PLAINS. TEMPERATURES WILL FALL INTO THE UPPER TEENS AND 20S WITH WIND CHILLS IN THE TEENS AND SINGLE DIGITS BY THE END OF THE AFTERNOON. SNOW WILL DEVELOP IN MOST AREAS WITH ACCUMULATIONS AROUND AN INCH OR LESS IN MOST LOCATIONS BY EVENING. THE FOOTHILLS AND FRONT RANGE MOUNTAINS CAN EXPECT 2 TO 5 INCHES OF SNOW. THE SNOW WILL DIMINISH TO OCCASIONAL FLURRIES THIS EVENING...WITH TEMPERATURES FALLING TO AROUND 10 DEGREES BY MORNING. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY COLD AIR WILL BE IN PLACE OVER THE PLAINS AND FOOTHILLS OF THE FORECAST AREA THROUGH THE WEEKEND. WEDNESDAYS HIGHS OVER THE PLAINS COULD BE 40 DEGREES BELOW SEASONAL NORMALS WITH LOWS BELOW ZERO. LIGHT SNOW IS EXPECTED OVER THE PLAINS AND FOOTHILLS TUESDAY EVENING THROUGH MUCH OF WEDNESDAY INTO WEDNESDAY NIGHT. FOR THE MOUNTAINS SNOW WILL DEVELOP BY WEDNESDAY AFTERNOON AND CONTINUE INTO THE WEEKEND. SNOWFALL AMOUNTS DO NOT LOOK TO BE SIGNIFICANT ESPECIALLY OVER THE PLAINS AND FOOTHILLS...BUT THE MOUNTAINS COULD GET HEALTHIER AMOUNTS THURSDAY THROUGH SATURDAY. THE SIGNIFICANT FEATURE OF THE UPCOMING WEATHER PATTERN WILL BE THE MUCH COLDER TEMPERATURES FOR THE PLAINS AND FOOTHILLS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT...HOWEVER SNOWFALL REPORTS WILL BE APPRECIATED.
The national radar mosaic for the moment the first event began.
6 winter weather, 1 winter storm. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2014Every state in 2014This day in weather historyWarnings in Colorado, November 2014
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 550038, 550040, 550041, 550042, 550068, 550124, 550125.