Colorado, 2011

Winter Storm in Colorado, February 4 to 6, 2011

February 4 to 6, 2011 · NWS PUB · 10 events in 10 counties and zones

A winter storm generated significant snow over portions of southern Colorado. Some snow totals include 7 to 12 inches across the eastern mountains and adjacent terrain.

Where it happened

Every event with a place to put it; 10 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
10

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.

What happened

The episode as NWS PUB wrote it up.

A winter storm generated significant snow over portions of southern Colorado. Some snow totals include 7 to 12 inches across the eastern mountains and adjacent terrain. Fourteen to 22 inches of snow covered extreme western Pueblo County (Rye and Beulah)...and from the Spanish Peaks (Huerfano County) to Trinidad (Las Animas County).

What forecasters said that day

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 Feb 4, 3:48 PM MST, 12 minutes earlier.

Area forecast discussion, Feb 4, 3:48 PM MST, 12 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PUEBLO CO
348 PM MST FRI FEB 4 2011

.SHORT TERM...
(TONIGHT AND SATURDAY)

ACTIVE WEATHER PATTERN IN THE SHORT TERM...WITH ONE SHORTWAVE MOVING
THROUGH THE DISTRICT NOW PRODUCING A FRAGMENTED BAND OF SNOW ALONG
THE PALMER DIVIDE...EXTENDING TO THE SOUTH ACROSS SRN I-25
CORRIDOR.  MODELS ARE ONCE AGAIN HAVING A TOUGH TIME RESOLVING THIS
FEATURE.  12Z NAM HAD NEXT TO NO QPF ACROSS THE PLAINS...WHILE 12Z
GFS HAD A FAIRLY WIDESPREAD BAND OF LIGHT QPF. RUC13 AND LOCAL 4KM
WRF SEEM TO BE PICKING UP BETTER ON THE SNOWFALL...WITH 2 AREAS OF
HIGHER QPF...ONE ALONG THE PALMER DIVIDE...AND A 2ND DOWN ALONG THE
NRN SLOPES OF THE RATON RIDGE THROUGH THE EVENING HOURS.
MODELS SHOW A LITTLE UPGLIDE WITH THIS FEATURE BEFORE 06Z AS IT
SHIFTS SOUTH ACROSS THE REGION...BUT NOT NEARLY THE MAGNITUDE OF
THAT OF YESTERDAY.  SO THINK SOME AREAS COULD SEE UP TO A QUICK INCH
OR SO OF SNOWFALL...BUT OVERALL IT SHOULDN'T BE AS HEAVY OF AN EVENT
AS THE ONE THAT OCCURRED YESTERDAY.  MODELS HANG ON TO A PERSISTENT
MID DECK ACROSS THE PLAINS TONIGHT WHICH SHOULD HELP KEEP MIN TEMPS
WARMER THAN OF LATE.

OTHER AREA OF CONCERN WILL BE THE CENTRAL MOUNTAINS...WHERE STEADY
LIGHT SNOW IS EXPECTED TO CONTINUE THROUGH THE NIGHT. NEXT MORE
POTENT SHORTWAVE DROPS IN FROM THE NORTHWEST ON SATURDAY...WHICH
SHOULD HELP RAMP THE SNOWFALL UP ALONG THE OROGRAPHICALLY FAVORED
NORTHWEST FACING SLOPES OF THE CENTRAL MOUNTAINS.  CURRENT
HIGHLIGHTS STILL LOOK ON TRACK...THOUGH TIMING OF HEAVIER SNOW
APPEARS TO BE MORE INTO SATURDAY...THAN LATE TONIGHT.  GIVEN THESE
SYSTEMS IN NW FLOW OFTEN END UP MOVING IN FASTER THAN MODELS PICK UP
ON...WILL NOT ALTER THE BEGINNING TIME OF THE INHERITED HIGHLIGHTS.
BY AFTERNOON THE NEXT REINFORCING COLD FRONT DROPS IN...SPREADING
SNOW ACROSS THE SE MTS/ADJACENT PLAINS.  ONCE AGAIN...GFS IS
FASTER/WETTER THAN THE NAM...AND WILL BASE THE FORECAST OFF THE GFS
GIVEN ITS BETTER PERFORMANCE OF LATE.  LAPSE RATES IN MODEL
SOUNDINGS STEEPEN IN THE AFTERNOON...AND GFS BREAKS OUT SOME
MODERATE SNOW ACROSS THE I-25 CORRIDOR/ADJACENT PLAINS DURING THE
AFTERNOON.  700 MB WINDS STAY NORTH TO NORTHWESTERLY WHICH WOULD
SUGGEST BEST CHANCES ALONG THE PALMER DIVIDE AND NRN RATON
RIDGE...SO WILL RAISE POPS TO LIKELY FOR THESE AREAS.  GIVEN BETTER
CONVECTIVE POTENTIAL...THERE IS A CHANCE FOR SOME QUICK
ACCUMULATIONS OF 1 TO 3 INCHES.  CONSIDERED ISSUING A WINTER WEATHER
ADVISORY...BUT MODELS ARE STILL WAVERING ON THE LOCATION AND TIMING
OF THE HEAVIER QPF...AS IS TYPICAL WITH THE MORE CONVECTIVELY DRIVEN
CASES. SO WILL HOLD OFF AND LET LATER SHIFTS RE-EVALUATE. -KT

.LONG TERM...
(SATURDAY NIGHT THROUGH FRIDAY)

...UNSETTLED WITH MUCH COLDER WEATHER MOVING IN MONDAY NIGHT...

SNOWFALL WILL CONTINUE ACROSS THE CENTRAL MOUNTAINS FOR THE NEXT
FEW DAYS. WARNINGS AND ADVISORIES WILL CONTINUE FOR THOSE AREAS
AS THE SNOW PILES UP OVER TIME IN MOIST NORTHWEST FLOW PATTERN.

ELSEWHERE...NEXT MAIN SYSTEM TO MOVE THROUGH COMES ACROSS SATURDAY
EVENING...WITH THE POSSIBILITY OF SNOW ACROSS THE PLAINS AND
ADJACENT MOUNTAIN AREAS. ONCE AGAIN...MUCH UNCERTAINTY WITH REGARD
TO AMOUNTS TO EXPECT. MODELS KEEP SHIFTING PRECIPITATION MAXES BUT
FEEL THAT THE SOUTHEAST MOUNTAINS...AND ADJACENT PLAINS ALONG THE
SOUTHERN I-25 CORRIDOR HAVE THE BEST PROSPECTS AT THIS POINT.  HAVE
INDICATED UP TO AROUND 6 INCHES IN THE GRIDS FOR THOSE AREAS.  WITH
EVERYPLACE ELSEWHERE IN THE 1 TO 3 INCH RANGE.

NEXT MAIN SYSTEM ON THE HORIZON IS NOW LOOKING TO ARRIVE MONDAY
NIGHT. MODELS HAVE ARCTIC FRONTAL SYSTEM SURGING RAPIDLY SOUTH
THROUGH THE PLAINS MONDAY EVENING...ACCOMPANIED BY A WIDESPREAD
AREA OF POST-FRONTAL SNOW AND BLOWING SNOW ACROSS THE PLAINS AND
ADJACENT MOUNTAIN AREAS. WITH THE SYSTEM COMING FROM THE NORTH
AND VERY COLD...MOISTURE CONTENT WILL NOT LIKELY BE REAL HIGH SO
SNOWFALL...FOR THE MOST PART...SHOULD BE MOSTLY OF THE LIGHT
VARIETY. HOWEVER...THE SOUTHEAST MOUNTAINS AND IMMEDIATELY
ADJACENT PLAINS AREAS WILL PROBABLY DO BETTER THAN MOST OTHER AREAS
AND MAY REQUIRE AN ADVISORY AT SOME POINT. LOOKS LIKE ARCTIC AIR
WILL CONTINUE TO ADVECT SOUTH ACROSS THE REGION THROUGH TUESDAY...WITH
LIGHT SNOW CONTINUING INTO TUESDAY EVENING BEFORE TAPERING OFF BY
WEDNESDAY MORNING. THEN FOR WEDNESDAY AND THURSDAY COLD...WITH
GRADUALLY MODERATING TEMPERATURES BUT PROBABLY REMAINING BELOW
FREEZING...UNTIL FRIDAY WHEN IT LOOKS LIKE WE WILL TURN THE CORNER
BACK TOWARD MILDER WEATHER AGAIN. LW

&&

.AVIATION...VFR WITH BRIEF MVFR CIGS WITH SNOW SHOWERS WILL
AFFECT THE SOUTHEAST PLAINS THIS EVENING.  LOCAL AREAS COULD SEE
ACCUMULATIONS OF UP TO AN INCH...BUT FOR NOW...THIS APPEARS TO BE
LESS LIKELY FOR THE KCOS AND KPUB TAF SITES.  VFR CIGS WILL PERSIST
THROUGH MUCH OF THE NIGHT.  NEXT SYSTEM WILL BEGIN TO DROP CIGS
AFTER 18Z ON SATURDAY...WITH SNOW BREAKING OUT ALONG THE I-25
CORRIDOR/ADJACENT PLAINS.  CIGS COULD DROP TO INTO THE MVFR TO IFR
CATEGORY LATE SAT AFTN/EARLY EVENING FOR THE KCOS AND KPUB TAF
SITES...THOUGH GIVEN THE CONVECTIVE NATURE TO THE
SNOWFALL...PREDICTING EXACTLY WHERE THE HEAVIER SNOW BAND WILL SET
UP IS STILL UNCERTAIN.  KALS WILL SEE GENERALLY VFR
CONDITIONS...WITH PERIODS OF VFR CIGS UNTIL SAT AFTERNOON WHEN THEY
MAY DROP INTO THE MVFR CATEGORY. THERE IS THE CHANCE OF A WINDOW OF
IFR TO LIFR CIGS EARLY SATURDAY MORNING FOR KALS WITH PATCHY FOG IF
ENOUGH CLEARING TAKES PLACE. -KT

&&

.PUB WATCHES/WARNINGS/ADVISORIES...
WINTER WEATHER ADVISORY FROM MIDNIGHT TONIGHT TO MIDNIGHT MST
SUNDAY NIGHT FOR COZ058-059-061.

WINTER STORM WARNING FROM MIDNIGHT TONIGHT TO MIDNIGHT MST
SUNDAY NIGHT FOR COZ060.

&&

31/50
Hazardous weather outlook, Feb 4, 3:56 PM MST, 4 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PUEBLO CO
356 PM MST FRI FEB 4 2011

COZ058>089-093>099-052300-
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-
356 PM MST FRI FEB 4 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL...EAST
CENTRAL...SOUTH CENTRAL AND SOUTHEAST COLORADO.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A WEATHER DISTURBANCE WILL TRACK SOUTH ACROSS THE AREA THIS AFTERNOON
PRODUCING SNOW SHOWERS. LOCAL ACCUMULATIONS UP TO AN INCH OR SO
WILL BE POSSIBLE UNDER THE HEAVIER SHOWERS.

SNOW WILL INCREASE THIS EVENING AND BECOME STEADY OVERNIGHT ACROSS THE
CENTRAL COLORADO MOUNTAINS. 1 TO 3 INCHES OF NEW SNOW WILL BE
POSSIBLE BY SUNRISE SATURDAY MORNING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

AS A STORM APPROACHES FROM THE NORTHWEST...SNOW WILL BECOME STEADIER AND
HEAVIER OVER THE CENTRAL MOUNTAINS ON SATURDAY...WITH MODERATE TO
HEAVY SNOW CONTINUING THROUGH SATURDAY EVENING. PERIODS OF
MODERATE SNOW WILL CONTINUE THROUGH SUNDAY. OVER THE MOUNTAINS OF
CHAFFEE AND LAKE COUNTIES...8 TO 16 INCHES OF SNOW WILL BE
POSSIBLE BY MONDAY MORNING. 4 TO 10 INCHES WILL BE POSSIBLE OVER
THE UPPER ARKANSAS RIVER VALLEY AND WESTERN MOSQUITO RANGE.

OVER THE PLAINS...SCATTERED TO NUMEROUS SNOW SHOWERS ARE EXPECTED
LATE SATURDAY AS THE STORM BEGINS MOVING THROUGH SOUTHEAST
COLORADO. THE SOUTHEAST MOUNTAINS AND SOUTHERN INTERSTATE 25
CORRIDOR COULD SEE SEVERAL INCHES OF ACCUMULATION BY EARLY SUNDAY
MORNING.

ANOTHER STORM SYSTEM WILL ARRIVE FROM THE NORTHWEST LATE MONDAY
INTO TUESDAY...AND THIS SYSTEM WILL BRING THE THREAT OF MORE
ACCUMULATING SNOW AND SHARPLY COLDER WEATHER TO THE ENTIRE AREA.

.SPOTTER INFORMATION STATEMENT...

WEATHER CONDITIONS THAT MEET REPORTING CRITERIA FOR SPOTTERS WILL BE
POSSIBLE TONIGHT...MAINLY OVER CENTRAL MOUNTAIN REGION AND
ACROSS LOCAL AREAS OF THE SOUTHEAST PLAINS.

31/50

In the hours before

Local storm report, Feb 4, 10:07 AM MST, 5 hours 53 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE PUEBLO CO
1007 AM MST FRI FEB 04 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0423 PM     SNOW             3 N PUEBLO RESERVOIR    38.30N 104.75W
02/03/2011  M1.0 INCH        PUEBLO             CO   TRAINED SPOTTER

            1 INCH OF SNOW SINCE APPROXIMATELY 320 PM MST.

0440 PM     SNOW             2 SW PUEBLO WEST        38.33N 104.75W
02/03/2011  M2.3 INCH        PUEBLO             CO   NWS EMPLOYEE

0453 PM     SNOW             3 N PUEBLO RESERVOIR    38.30N 104.75W
02/03/2011  M2.8 INCH        PUEBLO             CO   NWS EMPLOYEE

0454 PM     SNOW             2 SSW PUEBLO            38.24N 104.63W
02/03/2011  E1.0 INCH        PUEBLO             CO   TRAINED SPOTTER

0507 PM     SNOW             3 SW PUEBLO WEST        38.31N 104.75W
02/03/2011  M3.0 INCH        PUEBLO             CO   NWS EMPLOYEE

0524 PM     SNOW             2 SSW PUEBLO            38.24N 104.63W
02/03/2011  M1.5 INCH        PUEBLO             CO   TRAINED SPOTTER

            SNOW BEGAN AT APPROXIMATELY 4 PM MST.

0528 PM     SNOW             2 ENE MONUMENT          39.11N 104.84W
02/03/2011  M2.5 INCH        EL PASO            CO   TRAINED SPOTTER

            STARTED AT 1130 AM

0540 PM     SNOW             2 SSW PUEBLO            38.24N 104.63W
02/03/2011  E4.0 INCH        PUEBLO             CO   TRAINED SPOTTER

0549 PM     SNOW             6 E MONUMENT            39.10N 104.76W
02/03/2011  M2.0 INCH        EL PASO            CO   TRAINED SPOTTER

0552 PM     SNOW             3 N PUEBLO RESERVOIR    38.30N 104.75W
02/03/2011  M4.8 INCH        PUEBLO             CO   NWS EMPLOYEE

0552 PM     SNOW             4 SW PUEBLO             38.24N 104.67W
02/03/2011  M3.0 INCH        PUEBLO             CO   TRAINED SPOTTER

0554 PM     SNOW             3 W PUEBLO              38.26N 104.67W
02/03/2011  E2.0 INCH        PUEBLO             CO   TRAINED SPOTTER

0554 PM     SNOW             2 SSW PUEBLO            38.24N 104.63W
02/03/2011  M3.0 INCH        PUEBLO             CO   TRAINED SPOTTER

0612 PM     SNOW             3 N PUEBLO RESERVOIR    38.30N 104.75W
02/03/2011  M5.5 INCH        PUEBLO             CO   NWS EMPLOYEE

0630 PM     SNOW             2 SSW PUEBLO            38.24N 104.63W
02/03/2011  E6.0 INCH        PUEBLO             CO   TRAINED SPOTTER

0642 PM     SNOW             5 ENE PUEBLO WEST       38.38N 104.64W
02/03/2011  M2.5 INCH        PUEBLO             CO   TRAINED SPOTTER

0645 PM     SNOW             2 SSW PUEBLO            38.24N 104.63W
02/03/2011  M4.0 INCH        PUEBLO             CO   TRAINED SPOTTER

0700 PM     SNOW             2 ENE PUEBLO            38.29N 104.58W
02/03/2011  M4.0 INCH        PUEBLO             CO   TRAINED SPOTTER

0730 PM     SNOW             3 NNE PUEBLO            38.30N 104.59W
02/03/2011  M4.0 INCH        PUEBLO             CO   TRAINED SPOTTER

0730 PM     SNOW             DIVIDE                  38.94N 105.15W
02/03/2011  E5.0 INCH        TELLER             CO   BROADCAST MEDIA

0748 PM     SNOW             2 SW PUEBLO WEST        38.33N 104.75W
02/03/2011  M5.0 INCH        PUEBLO             CO   NWS EMPLOYEE

0749 PM     SNOW             3 SW PUEBLO WEST        38.31N 104.75W
02/03/2011  M5.8 INCH        PUEBLO             CO   NWS EMPLOYEE

0753 PM     SNOW             3 N PUEBLO RESERVOIR    38.30N 104.75W
02/03/2011  M6.3 INCH        PUEBLO             CO   NWS EMPLOYEE

            0.21 LIQUID

0753 PM     SNOW             2 NNW PUEBLO            38.30N 104.62W
02/03/2011  M4.0 INCH        PUEBLO             CO   TRAINED SPOTTER

0803 PM     SNOW             4 SW PUEBLO             38.24N 104.67W
02/03/2011  M5.3 INCH        PUEBLO             CO   NWS EMPLOYEE

0843 PM     SNOW             2 N BLACK FOREST        39.05N 104.71W
02/03/2011  M2.0 INCH        EL PASO            CO   TRAINED SPOTTER

0913 PM     SNOW             2 NE PUEBLO             38.28N 104.52W
02/03/2011  M3.6 INCH        PUEBLO             CO   OFFICIAL NWS OBS

            0.11 WATER EQUIVALENT.

1018 PM     SNOW             NNE WOODLAND PARK       39.00N 105.05W
02/03/2011  M3.0 INCH        TELLER             CO   TRAINED SPOTTER

1155 PM     SNOW             5 ENE PUEBLO WEST       38.38N 104.64W
02/03/2011  M2.8 INCH        PUEBLO             CO   NWS EMPLOYEE

1220 AM     SNOW             SW BEULAH               38.08N 104.98W
02/04/2011  M3.4 INCH        PUEBLO             CO   TRAINED SPOTTER

            0.17 LIQUID AS OF 1220 AM. STILL SNOWING.

0200 AM     SNOW             3 SW ROSITA             38.07N 105.36W
02/04/2011  M2.0 INCH        CUSTER             CO   TRAINED SPOTTER

0530 AM     SNOW             2 SSW CUCHARA           37.35N 105.11W
02/04/2011  M5.0 INCH        HUERFANO           CO   TRAINED SPOTTER

0630 AM     SNOW             2 WSW ROSITA            38.09N 105.36W
02/04/2011  M2.2 INCH        CUSTER             CO   TRAINED SPOTTER

0713 AM     SNOW             5 ESE FORT GARLAND      37.40N 105.35W
02/04/2011  M1.5 INCH        COSTILLA           CO   TRAINED SPOTTER

0730 AM     SNOW             5 WSW WALSENBURG        37.59N 104.87W
02/04/2011  M9.0 INCH        HUERFANO           CO   TRAINED SPOTTER

            STORM TOTAL...

0730 AM     SNOW             2 N TRINIDAD            37.20N 104.51W
02/04/2011  E7.8 INCH        LAS ANIMAS         CO   TRAINED SPOTTER

            ON GROUND... 4.0 NEW WITH THIS STORM...

0730 AM     SNOW             1 SSW RYE               37.91N 104.94W
02/04/2011  M4.5 INCH        PUEBLO             CO   TRAINED SPOTTER

            STORM TOTAL... 3.0 NEW OVERNIGHT...

0802 AM     SNOW             3 N PUEBLO RESERVOIR    38.30N 104.75W
02/04/2011  M6.7 INCH        PUEBLO             CO   TRAINED SPOTTER

            STORM TOTAL...LIQUID 0.21

&&

THE TOTALS BELOW ARE SEPARATED INTO SNOW...AND ICE AND SLEET
CATEGORIES...THEN BY AMOUNT...AND ARE NOT NECESSARILY THE
FINAL AMOUNT FOR EACH LOCATION.

SNOW REPORTS LISTED BY AMOUNT

 INCHES  LOCATION                 ST  COUNTY           TIME
 ------  -----------------------  --  --------------   -------
  9.00   5 WSW WALSENBURG         CO  HUERFANO         0730 AM
                 STORM TOTAL...
  7.80   2 N TRINIDAD             CO  LAS ANIMAS       0730 AM
                 ON GROUND... 4.0 NEW WITH THIS STORM...
  6.70   3 N PUEBLO RESERVOIR     CO  PUEBLO           0802 AM
                 STORM TOTAL...LIQUID 0.21
  6.30   3 N PUEBLO RESERVOIR     CO  PUEBLO           0753 PM
                 0.21 LIQUID
  6.00   2 SSW PUEBLO             CO  PUEBLO           0630 PM
  5.80   3 SW PUEBLO WEST         CO  PUEBLO           0749 PM
  5.50   3 N PUEBLO RESERVOIR     CO  PUEBLO           0612 PM
  5.30   4 SW PUEBLO              CO  PUEBLO           0803 PM
  5.00   2 SSW CUCHARA            CO  HUERFANO         0530 AM
  5.00   2 SW PUEBLO WEST         CO  PUEBLO           0748 PM
  5.00   DIVIDE                   CO  TELLER           0730 PM
  4.80   3 N PUEBLO RESERVOIR     CO  PUEBLO           0552 PM
  4.50   1 SSW RYE                CO  PUEBLO           0730 AM
                 STORM TOTAL... 3.0 NEW OVERNIGHT...
  4.00   2 NNW PUEBLO             CO  PUEBLO           0753 PM
  4.00   3 NNE PUEBLO             CO  PUEBLO           0730 PM
  4.00   2 ENE PUEBLO             CO  PUEBLO           0700 PM
  4.00   2 SSW PUEBLO             CO  PUEBLO           0645 PM
  4.00   2 SSW PUEBLO             CO  PUEBLO           0540 PM
  3.60   2 NE PUEBLO              CO  PUEBLO           0913 PM
                 0.11 WATER EQUIVALENT.
  3.40   SW BEULAH                CO  PUEBLO           1220 AM
                 0.17 LIQUID AS OF 1220 AM. STILL SNOWING.
  3.00   NNE WOODLAND PARK        CO  TELLER           1018 PM
  3.00   2 SSW PUEBLO             CO  PUEBLO           0554 PM
  3.00   4 SW PUEBLO              CO  PUEBLO           0552 PM
  3.00   3 SW PUEBLO WEST         CO  PUEBLO           0507 PM
  2.80   5 ENE PUEBLO WEST        CO  PUEBLO           1155 PM
  2.80   3 N PUEBLO RESERVOIR     CO  PUEBLO           0453 PM
  2.50   5 ENE PUEBLO WEST        CO  PUEBLO           0642 PM
  2.50   2 ENE MONUMENT           CO  EL PASO          0528 PM
                 STARTED AT 1130 AM
  2.30   2 SW PUEBLO WEST         CO  PUEBLO           0440 PM
  2.20   2 WSW ROSITA             CO  CUSTER           0630 AM
  2.00   3 SW ROSITA              CO  CUSTER           0200 AM
  2.00   2 N BLACK FOREST         CO  EL PASO          0843 PM
  2.00   3 W PUEBLO               CO  PUEBLO           0554 PM
  2.00   6 E MONUMENT             CO  EL PASO          0549 PM
  1.50   5 ESE FORT GARLAND       CO  COSTILLA         0713 AM
  1.50   2 SSW PUEBLO             CO  PUEBLO           0524 PM
                 SNOW BEGAN AT APPROXIMATELY 4 PM MST.
  1.00   2 SSW PUEBLO             CO  PUEBLO           0454 PM
  1.00   3 N PUEBLO RESERVOIR     CO  PUEBLO           0423 PM
                 1 INCH OF SNOW SINCE APPROXIMATELY 320 PM
                 MST.

KT

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

10 winter storm. Local standard time, as filed.

Winter Storm, Eastern Sawatch Mountains Above 11000 Ft

When
February 4, 4:00 PM MST to February 6, 11:00 PM MST
Where
Eastern Sawatch Mountains Above 11000 Ft forecast zone
Reported by
Trained Spotter
Coordinates
38.677, -106.274 (the zone’s center; the record gives no point)

Winter Storm, Eastern Lake County / Western Mosquito Range Above 11000 Ft

When
February 4, 11:00 PM MST to February 6, 11:00 PM MST
Where
Eastern Lake County / Western Mosquito Range Above 11000 Ft forecast zone
Reported by
Trained Spotter
Coordinates
39.202, -106.345 (the zone’s center; the record gives no point)

Winter Storm, Northern Sangre de Cristo Mountains Between 8500 & 11000 Ft

When
February 5, 4:00 PM MST to February 6, 10:00 PM MST
Where
Northern Sangre de Cristo Mountains Between 8500 & 11000 Ft forecast zone
Reported by
Trained Spotter
Coordinates
37.992, -105.637 (the zone’s center; the record gives no point)

Winter Storm, Northern Sangre de Cristo Mountains Above 11000 Ft

When
February 5, 4:00 PM MST to February 6, 10:00 PM MST
Where
Northern Sangre de Cristo Mountains Above 11000 Ft forecast zone
Reported by
Trained Spotter
Coordinates
37.867, -105.544 (the zone’s center; the record gives no point)

Winter Storm, Southern Sangre de Cristo Mountains Between 7500 & 11000 Ft

When
February 5, 4:00 PM MST to February 6, 10:00 PM MST
Where
Southern Sangre de Cristo Mountains Between 7500 & 11000 Ft forecast zone
Reported by
Trained Spotter
Coordinates
37.426, -104.809 (the zone’s center; the record gives no point)

Winter Storm, Southern Sangre de Cristo Mountains Above 11000 Ft

When
February 5, 4:00 PM MST to February 6, 10:00 PM MST
Where
Southern Sangre de Cristo Mountains Above 11000 Ft forecast zone
Reported by
Trained Spotter
Coordinates
37.426, -104.809 (the zone’s center; the record gives no point)

Winter Storm, Wet Mountains Between 8500 and 10000 Ft

When
February 5, 4:00 PM MST to February 6, 10:00 PM MST
Where
Wet Mountains Between 8500 and 10000 Ft forecast zone
Reported by
Trained Spotter
Coordinates
38.110, -105.070 (the zone’s center; the record gives no point)

Winter Storm, Wet Mountains Above 10000 Ft

When
February 5, 4:00 PM MST to February 6, 10:00 PM MST
Where
Wet Mountains Above 10000 Ft forecast zone
Reported by
Trained Spotter
Coordinates
37.989, -104.947 (the zone’s center; the record gives no point)

Winter Storm, Walsenburg Vicinity / Upper Huerfano River Basin Below 7500 Ft

When
February 5, 4:00 PM MST to February 6, 10:00 PM MST
Where
Walsenburg Vicinity / Upper Huerfano River Basin Below 7500 Ft forecast zone
Reported by
Trained Spotter
Coordinates
37.685, -104.961 (the zone’s center; the record gives no point)

Winter Storm, Trinidad Vicinity / Lower Huerfano River Basin & Western Las Animas County Below 7500 Ft

When
February 5, 4:00 PM MST to February 6, 10:00 PM MST
Where
Trinidad Vicinity / Lower Huerfano River Basin & Western Las Animas County Below 7500 Ft forecast zone
Reported by
Trained Spotter
Coordinates
37.316, -104.039 (the zone’s center; the record gives no point)

What these are

Winter Storm
A storm that brought snow, sleet or freezing rain at warning levels, usually over several hours or days.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Colorado in 2011Every state in 2011This day in weather historyWarnings in Colorado, February 2011

Sources

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: 282549, 282548, 282550, 282551, 282556, 282557, 282558, 282559, 282561, 282562.