Beulah and Colorado City (Pueblo County) and Trinidad (Las Animas County).
Every event with a place to put it; 2 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 PUB wrote it up.
Four to eight inches of snow was noted over portions of southern Colorado...including 7 to 8 inches in and around Rye...Beulah and Colorado City (Pueblo County) and Trinidad (Las Animas County).
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 Pueblo, CO wrote its last area forecast discussion before the first event at Dec 1, 4:58 PM MST, 12 hours 2 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE PUEBLO CO 458 PM MST TUE DEC 1 2009 .UPDATE... AM SENDING OUT A QUICK UPDATE TO THE GRIDS/ZONES TO ACCOUNT FOR SLOWING OF PRECIP ASSOCIATED WITH THE COLD FRONT MOVING THROUGH ERN CO. BASED ON CURRENT OBS...WITH SN STILL FAR TO THE N IN WY...AND CLOUD COVERAGE JUST STARTING TO DEVELOP OVR THE SRN FRONT RANGE...ONSET OF PRECIP WILL LIKELY HOLD OFF MOST SPOTS UNTIL AFTER MIDNIGHT. HAVE REMOVED POPS FOR THIS EVE AND TRIMMED BACK SRN ZONES THROUGH 12Z. BEST POPS LOOK TO BE TOMORROW MORNING. ROSE && .PREV DISCUSSION... /ISSUED 324 PM MST TUE DEC 1 2009/ SHORT TERM... (TONIGHT AND WEDNESDAY) ..WINTER RETURNS... CURRENTLY...THE SOUTHERN UPPER CLOSED LOW WAS TRACKING EASTWARD ACROSS THE TRANSPECOS REGION OF TEXAS TUE AFTN...SPREADING SOME CLOUD COVER UP ACROSS THE SE CORNER OF COLORADO. MEANWHILE...THE NEXT WEATHER MAKER FOR THE STATE WAS IN THE FORM OF A LONGWAVE TROUGH DROPPING DOWN OUT OF CANADA AND ACROSS THE NORTHERN ROCKIES. THIS WAS PRODUCING SOME CLOUD COVER OVER THE NORTHERN PART OF THE STATE...BUT WAS ALSO PUSHING A COLD FRONT DOWN ACROSS THE PALMER DVD AS OF 130 PM. THE COLD AIR WAS NOT FILTERING DOWN SOUTH JUST YET...BUT GUSTY N-NE WINDS AND DEWPOINTS IN THE SINGLE DIGITS WERE MARKING THIS FRONTAL PASSAGE. TONIGHT AND TOMORROW...THE UPPER TROUGH CONTINUES DROPPING SOUTH INTO THE CENTRAL PORTIONS OF THE COUNTRY...WITH STRENGTHENING UPSLOPE FLOW AND AVAILABLE MOISTURE ALLOWING SNOW TO BREAK OUT OVER THE PALMER DVD...RAMPART RANGE AND SOUTHERN FRONT RANGE LATER TONIGHT. BOTH NAM AND GFS MODELS TEND TO START PCPN RIGHT AROUND 06Z...SO BROKE UP THE POP GRID ON THE FRONT END TO SOMEWHAT DELAY PCPN ONSET AND INCOMING CLOUD SHIELD. BY 06Z HOWEVER...SNOW IS EXPECTED TO SPREAD ACROSS MUCH OF THE AREA AND LAST THROUGH THE DAY TOMORROW. FOCUS AREAS WILL BE THE CENTRAL AND EASTERN MTS...PALMER DVD...RAMPART RANGE AND IMMEDIATELY ADJACENT PLAINS. INITIALLY THE FAR E PLAINS AND EVEN THE SLV SHOULD NOT SEE MUCH BY WAY OF SNOW. HOWEVER...THE EASTERLY PUSH SHOULD GET DEEP ENOUGH THAT BY WED AFTN THE COLDER AIR AND MOISTURE WILL SPILL OVER LA VETA AND START SNOW IN THE VALLEY. SNOW AMOUNTS ARE EXPECTED TO BE IN THE 1-2 INCH RANGE FOR EL PASO COUNTY AND THE RAMPART RANGE OVERNIGHT TONIGHT...THEN A POSSIBLE 2-4 INCHES ALONG THE E MTS AND PALMER DVD THRU THE DAY TOMORROW. AS FOR TEMPS...THIS SYSTEM WILL PACK SOME VERY COLD AIR...NEGATIVE 12 TO 16C AT 700 MB...ZERO TO NEG 7C AT 850 MB BY WED AFTN. THEREFORE...COLD MIN TEMPS TONIGHT AT AROUND 20F FOR THE E PLAINS WILL SEE LITTLE CHANGE THROUGHOUT THE DAY TOMORROW. 27 LONG TERM... (WEDNESDAY NIGHT THROUGH NEXT TUESDAY) UPPER JET DIGS INTO THE GREAT BASIN LATE WEDNESDAY NIGHT INTO THURSDAY...PRODUCING GENERALLY WEAK BUT LONG-LIVED UPWARD MOTION ACROSS COLORADO THROUGH THURSDAY AFTERNOON. COLD AIR REMAINS LOCKED IN PLACE OVER THE STATE...WITH WEAK 700 MB COLD ADVECTION PERSISTING THROUGH FRIDAY MORNING. SURFACE AND MID LEVEL UPSLOPE FLOW FADES AWAY FROM LATE WED NIGHT INTO EARLY THU...WITH PERHAPS A WEAK COLD SURGE THU AFTERNOON PRODUCING A RETURN TO WEAK NORTHEAST WINDS FOR A TIME THROUGH THU EVENING. WILL THUS KEEP CHANCE FOR LIGHT SNOW GOING THROUGH THU EVENING...WITH HIGHEST POPS ALONG AND JUST WEST OF I-25. NOT LOOKING LIKE A BIG EVENT...BUT WITH VERY COLD AIR MASS...FAVORED EAST MOUNTAIN SLOPES COULD SEE SEVERAL INCHES OF FLUFFY DRY SNOW. CONTINUED TO NUDGE MAX TEMPS DOWNWARD THU...WITH MOST AREAS STRUGGLING TO REACH 25F BY AFTERNOON. TROUGH MOVES EAST FRIDAY...WITH BRIEF UPPER RIDGE ENDING PRECIP MOST AREAS FRI/SAT...THOUGH TEMPERATURES WILL STRUGGLE TO REACH 40F AS AIR MASS WILL BE SLOW TO WARM. MODIFIED ARCTIC AIR MASS WEDGES BACK INTO THE PLAINS SAT NIGHT...WITH COLD AIR LOCKED OVER THE PLAINS THROUGH THE MIDDLE OF NEXT WEEK. UPPER LEVEL DETAILS STILL RATHER UNSETTLED...BUT MOST MODELS SUGGEST STRONG UPPER LEVEL JET WILL BE LOCATED OVERHEAD...PROVIDING PLENTY OF LIFT FOR SNOW OVER AT LEAST THE MOUNTAINS FROM SUNDAY INTO TUESDAY. AVIATION...KALS AND MUCH OF THE SLV SHOULD EXPECT VFR CONDITIONS FOR THE NEXT 12 HRS...WITH POSSIBLE MVFR CONDITIONS DEVELOPING AFTER 12Z TOMORROW MORNING AS SHOW SHOWERS ENCROACH UPON THE AREA. NE-E SFC FLOW WILL CONTINUE AND STRENGTHEN THROUGH THE NIGHT AND INTO WED...AS LIGHT SNOW BREAKS OUT ACROSS THE PALMER DVD AND RAMPART RANGE AFTER MIDNIGHT TONIGHT. MVFR CONDITIONS ARE EXPECTED OVERNIGHT AND THROUGH THE DAY TOMORROW FOR KPUB AND KCOS...AND ALL ALONG THE E MTS AND I25 CORRIDOR FOR LIGHT SNOW...LOWERING CEILINGS AND OCNL VSBY DOWN TO 3SM. && .PUB WATCHES/WARNINGS/ADVISORIES... NONE. && 44/50
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE PUEBLO CO 519 PM MST TUE DEC 1 2009 COZ058>089-093>099-030030- WESTERN MOSQUITO RANGE/EAST LAKE COUNTY ABOVE 11000 FT- LEADVILLE VICINITY/LAKE COUNTY BELOW 11000 FT- EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT- WESTERN CHAFFEE COUNTY BETWEEN 9000 AND 11000 FT- CENTRAL CHAFFEE COUNTY BELOW 9000 FT- WESTERN MOSQUITO RANGE/EAST CHAFFEE COUNTY ABOVE 9000 FT- SAGUACHE COUNTY WEST OF CONTINENTAL DIVIDE BELOW 10000 FT- SAGUACHE COUNTY EAST OF CONTINENTAL DIVIDE BELOW 10000 FT- LA GARITA MOUNTAINS ABOVE 10000 FT- UPPER RIO GRANDE VALLEY/EASTERN SAN JUAN MOUNTAINS BELOW 10000 FT- EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT- DEL NORTE VICINITY/NORTHERN SAN LUIS VALLEY BELOW 8500 FT- ALAMOSA VICINITY/CENTRAL SAN LUIS VALLEY BELOW 8500 FT- SOUTHERN SAN LUIS VALLEY- NORTHERN SANGRE DE CRISTO MOUNTAINS BETWEEN 8500 AND 11000 FT- NORTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FEET- SOUTHERN SANGRE DE CRISTO MOUNTAINS BETWEEN 7500 AND 11000 FT- SOUTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FT- NORTHWESTERN FREMONT COUNTY ABOVE 8500 FT- WESTERN/CENTRAL FREMONT COUNTY BELOW 8500 FT- WET MOUNTAIN VALLEY BELOW 8500 FEET- WET MOUNTAINS BETWEEN 6300 AND 10000 FT- WET MOUNTAINS ABOVE 10000 FT- TELLER COUNTY/RAMPART RANGE ABOVE 7500 FT/PIKES PEAK BETWEEN 7500 AND 11000 FT-PIKES PEAK ABOVE 11000 FT- CANON CITY VICINITY/EASTERN FREMONT COUNTY- NORTHERN EL PASO COUNTY/MONUMENT RIDGE/RAMPART RANGE BELOW 7500 FT- COLORADO SPRINGS VICINITY/SOUTHERN EL PASO COUNTY/RAMPART RANGE BELOW 7400 FT-PUEBLO AND VICINITY/PUEBLO COUNTY BELOW 6300 FT- WALSENBURG VICINITY/UPPER HUERFANO RIVER BASIN BELOW 7500 FT- TRINIDAD VICINITY/WESTERN LAS ANIMAS COUNTY BELOW 7500 FT- CROWLEY COUNTY-LA JUNTA VICINITY/OTERO COUNTY- EASTERN LAS ANIMAS COUNTY-WESTERN KIOWA COUNTY- EASTERN KIOWA COUNTY-LAS ANIMAS VICINITY/BENT COUNTY- LAMAR VICINITY/PROWERS COUNTY-SPRINGFIELD VICINITY/BACA COUNTY- 519 PM MST TUE DEC 1 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL...EAST CENTRAL...SOUTH CENTRAL AND SOUTHEAST COLORADO. .DAY ONE...TONIGHT SNOW WILL SPREAD SOUTH OVER TELLER AND NORTHERN EL PASO COUNTIES LATE TONIGHT...REACHING SOUTH TO THE SANGRE DE CRISTO MOUNTAINS... THE WET MOUNTAINS AND THE ADJACENT PLAINS BY TOMORROW MORNING. TELLER AND NORTHERN EL PASO COUNTIES COULD SEE 1 TO 2 INCHES OF SNOWFALL BY TOMORROW MORNING. THE SOUTHEAST MOUNTAINS AND ADJACENT PLAINS ALONG THE I-25 CORRIDOR SHOULD GENERALLY SEE LESS THAN AN INCH OF SNOW BY TOMORROW MORNING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY SNOW ACCUMULATIONS WILL CONTINUE WEDNESDAY AND WEDNESDAY NIGHT...WITH ADDITIONAL ACCUMULATIONS THROUGH THURSDAY MORNING. TOTAL ACCUMULATIONS WILL GENERALLY RANGE FROM 1 TO 3 INCHES OVER THE CENTRAL MOUNTAINS...3 TO 5 INCHES OVER THE EASTERN MOUNTAINS...AND 1 TO 4 INCHES ALONG THE I-25 CORRIDOR. A NEW WEATHER SYSTEM MAY BRING SEVERAL INCHES OF SNOW TO THE MOUNTAINS SUNDAY NIGHT AND MONDAY. HOWEVER...THERE IS STILL A LOT OF UNCERTAINTY WITH REGARDS TO WHERE THIS SYSTEM WILL TRACK AND HOW MUCH SNOW IT WILL BRING. .SPOTTER INFORMATION STATEMENT... WEATHER CONDITIONS THAT MEET REPORTING CRITERIA FOR SPOTTERS WILL BE LIKELY ACROSS TELLER AND NORTHERN EL PASO COUNTIES...THE SANGRE DE CRISTO MOUNTAINS...THE WET MOUNTAINS...AND THE ADJACENT PLAINS BY LATE TONIGHT. 44/50
The national radar mosaic for the moment the first event began.
2 winter weather. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2009Every state in 2009This day in weather historyWarnings in Colorado, December 2009
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: 206648, 206649.