Colorado, 2007

Winter Storm and Winter Weather in Colorado, December 7 to 8, 2007

December 7 to 8, 2007 · NWS BOU · 4 events in 4 counties and zones

Moderate to heavy snowfall redeveloped over portions of the North-Central Mountains. 5 inches at Grand Lake; 8 inches at Copper Mountain, 2 miles north of Alma, Fairplay, and 2 miles northwest of Fraser.

Where it happened

Every event with a place to put it; 4 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
4

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 BOU wrote it up.

Moderate to heavy snowfall redeveloped over portions of the North-Central Mountains. Snowfall totals included: 12 inches at Berthoud Pass; 10 inches at the Eisenhower Tunnel and 2 miles northwest of Jefferson; 9 inches at Keystone; 8.5 inches at Grand Lake; 8 inches at Copper Mountain, 2 miles north of Alma, Fairplay, and 2 miles northwest of Fraser. Elsewhere, snowfall amounts ranged from 3 to 7 inches.

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 Denver/Boulder, CO wrote its last area forecast discussion before the first event at Dec 7, 9:45 AM MST, 15 minutes earlier.

Area forecast discussion, Dec 7, 9:45 AM MST, 15 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DENVER CO
945 AM MST FRI DEC 7 2007

.UPDATE...AREA OF LIFT ASSOCIATED WITH THE JET STREAK ON THE FRONT
OF THE DEVELOPING TROUGH IS IN THE WRONG PLACE...PUSHING EAST RATHER
THAN ROTATING OVER WESTERN COLORADO. THIS WILL BRING INCREASING LIFT
AND PRECIPITATION SPREADING FROM CENTRAL COLORADO TOWARD THE
NORTHEAST THIS AFTERNOON...AHEAD OF SCHEDULE.

MOST MOUNTAIN AREAS RECEIVED 4-8 INCHES OVERNIGHT AND TODAY INTO
THIS EVENING SHOULD BE AT LEAST AS MUCH...REQUIRING WARNINGS THERE.
PREVIOUS PLAN WAS TO HAVE THE PLAINS IN THE WARM SECTOR AS THE
OVERRUNNING LIFTED NORTH...THERE WILL BE LESS OF THIS WITH THE JET
CONFIGURATION. MODELS STILL SHOWING THIS BUT LOOKING LIKE IT IS
OVERDONE...PROBABLY STILL SOME WARMING AND TURNING TOWARD SOUTHERLY
FLOW OFF THE GROUND BUT LOW LEVELS WILL BE RESISTANT SO NOT
EXPECTING MUCH HELP WITH THAT NORTH OF DENVER. WITH NEXT AREA OF
PRECIPITATION SPREADING EAST WILL UP POPS AND DROP TEMPS A BIT THIS
AFTERNOON. WILL BUMP UP ACCUMULATIONS TONIGHT AS WELL AS IT DOES
LOOK LIKE THE BEST OF THIS MAY BE OVER OUR AREA. QUICK UPDATE COMING
IN THE NEXT HOUR TO ACCOUNT FOR THE EARLIER ONSET...MAY NEED FURTHER
ADJUSTMENTS THIS AFTERNOON.

.SHORT TERM...CURRENT RADAR TRENDS SHOW PRECIPITATION SLOWLY FILLING
IN ACROSS THE PLAINS EARLY THIS MORNING.  DOWNSLOPE HAS BEEN
MINIMIZED AS FLOW ALOFT HAS TURNED MORE SOUTHERLY...ALTHOUGH THIS
STILL MEANS DOWNSLOPE FOR AREAS NEAR THE PALMER DIVIDE WHERE THERE
IS A CORRESPONDING LACK OF PRECIP.  MEANWHILE...MAIN BATCH OF PRECIP
HAS DEVELOPED ACROSS LARIMER AND NORTHERN WELD COUNTIES WHERE LOW
LEVEL SOUTHEASTERLY FLOW SPELLS BETTER UPSLOPE.  WILL PLAY THIS
TREND REGARDING PRECIP CHANCES TODAY.  LOOKS LIKE DENVER CYCLONE
CONVERGENCE ZONE MAY BE A GOOD STARTING POINT WITH LIKELY AND HIGHER
POPS TO THE NORTH AND LOWER CHANCE POPS FARTHER SOUTH.

Q-G VERTICAL MOTION SLOWLY INCREASES ACROSS THE FORECAST AREA TODAY
AS WE GET INTO THE LEFT ENTRANCE REGION OF A STRONG UPPER LEVEL JET
MAX.  HOWEVER...AT THE SAME TIME...SOUTHWEST FLOW ALOFT AND WARM
ADVECTION INCREASE WHICH TYPICALLY RESULTS IN A REDUCTION OF
PRECIP.  THEREFORE...WILL TAPER POPS OFF A BIT THIS AFTERNOON AND
ALSO MENTION SOME RAIN/SNOW MIX ACROSS THE PLAINS.  WAS ALSO
CONCERNED ABOUT A SNOW ADVISORY FOR THE MOUNTAINS AND NORTHERN
FOOTHILLS AREA TODAY BUT INTENSITIES SHOULD ALSO TAPER OFF GIVEN THE
WARM ADVECTION AND INCREASING SOUTHWEST FLOW WHICH IS NOT FAVORABLE
FOR HEAVIER PRECIPITATION.  SNOW MODEL BACKS THIS UP ONLY YIELDING
ABOUT 2-6 INCHES IN THE MOUNTAINS FOR TODAY AND TONIGHT COMBINED.
HOWEVER...DYNAMICS WILL STILL HELP SO 24 HOUR FORECAST OF ANOTHER
5-10 INCHES IN THE HIGHER ELEVATIONS WITH ROUGHLY 2-6 IN THE
MOUNTAIN VALLEYS SEEMS REASONABLE AND JUST SHY OF ANY HIGHLIGHTS FOR
NOW.

ON THE PLAINS...PRECIP SHOULD TRY TO REDEVELOP THIS EVENING AS THE
STRONGEST BATCH OF Q-G VERTICAL MOTION GRAZES BY TO THE NORTH.  WILL
KEEP RELATIVELY HIGH POPS BUT REMAIN CONSERVATIVE ON THE SNOW
ACCUMULATIONS.  ALSO CANT ARGUE WITH POTENTIAL FOR LIGHT FREEZING
PRECIP OVER THE EASTERN PLAINS THIS MORNING AND THEN AGAIN TONIGHT
WITH WARM AIR OVER A SHALLOW COLD POOL.

.LONG TERM...UPR LOW WL CONTINUE TO SLOWLY DIG INTO THE SOUTHWEST
SAT WITH STG SWLY FLOW CONTINUING OVER THE AREA.  WAVES OF LIFT AND
MSTR WL QUICKLY MOVE THRU THE AREA...PARTICULARLY IN THE AFTN.
ANOTHER COLD SURGE WL CAUSE SFC WINDS TO SHIFT TO THE NORTHEAST ON
THE PLAINS AND FNT RANGE BY NOON.  THUS...AFTER A LULL SAT
MRNG...PRECIP SHOULD INCRS AGAIN TWD EVENING.  Q/G MOTION LOOKS TO
INCRS SAT NIGHT...BUT MOST OF THE BTR LIFT WL OCCUR OVER WY AND
NEBR.  SNOW AMTS WL BE ON THE LIGHT SIDE WITH THE UNFAVORABLE WIND
VECTOR SAT THRU SUNDAY.  TEMPS WL BE VERY COLD ALL WEEKEND WITH
ARCTIC AIRMASS AND CLDS...MAX TEMPS PBLY IN THE MID 20S AT BEST BY
SUNDAY.

FCST APPEARS UNSETTLED FOR THE FIRST HALF OF NEXT WEEK WITH UPR TROF
SITTING TO OUR WEST OVER THE GREAT BASIN.  ANOTHER IMPULSE WL DROP
INTO THE MEAN TROUGH MONDAY WHICH MAY LEAD TO ANOTHER ROUND OF LGT
PRECIP MONDAY AND MONDAY NIGHT.  TROF WILL FINALLY SHIFT EWD WED AS
UPSTREAM KICKER MOVES INTO THE PAC NW.  TOOK SOME OF THE LATTER
PERIOD POPS OUT OF THE PLAINS FOR TUES/WED.

&&

.AVIATION...TRICKY FORECAST FOR DIA SINCE ITS ON THE EDGE OF THE
DENVER CONVERGENCE ZONE.  MVFR CONDITIONS ARE STILL EXPECTED THIS
MORNING WITH PERIODS OF IFR WITH LIGHT SNOW.  CIGS EXPECTED TO LIFT
TO VFR THIS AFTERNOON WITH MVFR/IFR REDEVELOPING TONIGHT WITH LOW
LEVEL MOISTURE AND THREAT OF SNOW INCREASING AGAIN.  ANY SNOW THIS
MORNING EXPECTED TO ACCUMULATE ONLY A HALF INCH ON GRASS AND NOTHING
ON PAVEMENT.  FOR TONIGHT CONSIDERABLE UNCERTAINTY REMAINS BUT FOR
NOW EXPECT ACCUMULATIONS TO BE AN INCH OR LESS AND AGAIN MAINLY ON
THE GRASS.

&&

.BOU WATCHES/WARNINGS/ADVISORIES...HEAVY SNOW WARNING THROUGH 5 AM
      SATURDAY FOR MOST OF THE NORTH CENTRAL COLORADO MOUNTAINS...
      ZONES 30>34 AND 37.

&&

GIMMESTAD/BARJENBRUCH/046
Hazardous weather outlook, Dec 7, 5:51 AM MST, 4 hours 9 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER CO
551 AM MST FRI DEC 07 2007

COZ030>051-071800-
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-
551 AM MST FRI DEC 07 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL
COLORADO.

.DAY ONE...TODAY AND TONIGHT

SNOW WILL CONTINUE ACROSS THE MOUNTAINS AND FOOTHILLS THROUGH
TONIGHT.  ANOTHER 5 TO 10 INCHES OF ACCUMULATION CAN BE EXPECTED
ABOVE 9000 FEET...WITH AMOUNTS GENERALLY RANGING BETWEEN 3 AND 7
INCHES IN THE MOUNTAIN VALLEYS AND FOOTHILLS.

ON THE PLAINS...A MIXED BAG OF WEATHER CAN BE EXPECTED.  WHILE
MOSTLY SNOW IS EXPECTED ACROSS LARIMER AND NORTHERN WELD COUNTIES...
A MIX OF RAIN AND SNOW WILL OCCUR ACROSS THE REST OF THE PLAINS.
THERE IS EVEN A THREAT OF LIGHT FREEZING RAIN OR DRIZZLE IN
LOCATIONS ALONG AND EAST OF A LINE FROM STERLING TO AKRON AND
LIMON.  SNOWFALL ACCUMULATIONS ON THE PLAINS THROUGH TONIGHT ARE
EXPECTED TO BE AN INCH OR LESS FROM DENVER SOUTH AND EASTWARD...WITH
AMOUNTS RANGING BETWEEN 1 AND 3 INCHES FARTHER NORTH.  AROUND 4
INCHES IS POSSIBLE IN THE FORT COLLINS AREA.

A LARGE AND SLOW MOVING STORM SYSTEM ACROSS THE WESTERN UNITED
STATES WILL PRODUCE THE UNSETTLED WEATHER.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE DEEP TROUGH OF LOW PRESSURE OVER THE GREAT BASIN WILL MOVE
LITTLE THROUGH MONDAY WHICH WILL LEAD TO A PROLONGED PERIOD OF LIGHT
SNOW OVER THE HIGH COUNTRY.  THE FLOW ALOFT WILL BECOME MORE
SOUTHWESTERLY THIS WEEKEND WHICH WILL KEEP THE HIGHEST SNOWFALL
TOTALS OVER OTHER AREAS OF THE STATE.  A COLD FRONT WILL MOVE
THROUGH THE PLAINS SATURDAY...LEADING TO VERY COLD TEMPERATURES
THROUGHOUT THE WEEKEND.  IN GENERAL...ADDITIONAL SNOWFALL WILL BE 3
TO 6 INCHES IN THE HIGH COUNTRY WITH AN INCH OR TWO FOR THE NORTHERN
PLAINS AND AREAS OF THE FRONT RANGE NORTH OF DENVER.  THE TROUGH
WILL MOVE EAST OF THE AREA TUESDAY LEADING TO WARMER AND DRIER
WEATHER BY MIDWEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

BARJENBRUCH/046

In the hours before

Local storm report, Dec 7, 7:32 AM MST, 2 hours 28 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
732 AM MST FRI DEC 07 2007

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

0715 AM     SNOW             2 S STERLING            40.62N 103.22W
12/07/2007  M0.5 INCH        LOGAN              CO   TRAINED SPOTTER

0715 AM     HEAVY SNOW       FRISCO                  39.58N 106.10W
12/07/2007  M14.0 INCH       SUMMIT             CO   TRAINED SPOTTER

            STORM TOTAL

0715 AM     SNOW             1 SSE ESTES PARK        40.36N 105.51W
12/07/2007  M3.9 INCH        LARIMER            CO   TRAINED SPOTTER

0700 AM     SNOW             STERLING                40.65N 103.21W
12/07/2007  M1.0 INCH        LOGAN              CO   TRAINED SPOTTER

0600 AM     SNOW             NIWOT                   40.10N 105.16W
12/07/2007  M0.7 INCH        BOULDER            CO   TRAINED SPOTTER

0600 AM     SNOW             FAIRPLAY                39.22N 106.00W
12/07/2007  M5.0 INCH        PARK               CO   TRAINED SPOTTER

            STORM TOTAL 8.0 INCHES

0600 AM     SNOW             3 W GREELEY             40.42N 104.80W
12/07/2007  M0.3 INCH        WELD               CO   NWS EMPLOYEE

0600 AM     SNOW             5 S GEORGETOWN          39.64N 105.70W
12/07/2007  E2.0 INCH        CLEAR CREEK        CO   CO-OP OBSERVER

            STORM TOTAL 16.0 INCHES

0909 PM     HEAVY SNOW       ST MARYS GLACIER        39.84N 105.65W
12/06/2007  M18.0 INCH       CLEAR CREEK        CO   TRAINED SPOTTER

            6 INCHES NEW SINCE 8AM.

0730 PM     SNOW             6 SSW GRAND LAKE        40.17N 105.86W
12/06/2007  M5.0 INCH        GRAND              CO   CO-OP OBSERVER

            4-5 INCHES AVERAGE SNOW ON THE GROUND SINCE MIDNIGHT

0730 PM     HEAVY SNOW       1 NW FRASER             39.95N 105.81W
12/06/2007  M9.1 INCH        GRAND              CO   TRAINED SPOTTER

            6.1 INCHES AT 8AM. 3.0 INCHES BETWEEN 8AM AND 7PM

0322 PM     HEAVY SNOW       WINTER PARK             39.89N 105.78W
12/06/2007  M10.0 INCH       GRAND              CO   TRAINED SPOTTER

1247 PM     SNOW             HOT SULPHUR SPRINGS     40.07N 106.10W
12/06/2007  M5.5 INCH        GRAND              CO   TRAINED SPOTTER

1100 AM     HEAVY SNOW       2 NW FRASER             39.96N 105.82W
12/06/2007  M6.0 INCH        GRAND              CO   TRAINED SPOTTER

0840 AM     HEAVY SNOW       GEORGETOWN              39.72N 105.70W
12/06/2007  M6.1 INCH        CLEAR CREEK        CO   TRAINED SPOTTER

0800 AM     HEAVY SNOW       WILLIAMS FORK RESERVOIR 40.03N 106.20W
12/06/2007  M6.0 INCH        GRAND              CO   CO-OP OBSERVER

0800 AM     HEAVY SNOW       GEORGETOWN              39.72N 105.70W
12/06/2007  M6.1 INCH        CLEAR CREEK        CO   TRAINED SPOTTER

            1 INCH BETWEEN 8AM AT 7PM.

0800 AM     SNOW             KREMMLING               40.06N 106.38W
12/06/2007  M3.0 INCH        GRAND              CO   CO-OP OBSERVER

0730 AM     SNOW             GRANT                   39.45N 105.67W
12/06/2007  M3.0 INCH        PARK               CO   TRAINED SPOTTER

0700 AM     SNOW             ASPEN SPRINGS           39.83N 105.48W
12/06/2007  M5.0 INCH        GILPIN             CO   AMATEUR RADIO

0700 AM     SNOW             5 N BAILEY              39.47N 105.47W
12/06/2007  M1.3 INCH        PARK               CO   AMATEUR RADIO

0700 AM     SNOW             CONIFER                 39.52N 105.30W
12/06/2007  M2.2 INCH        JEFFERSON          CO   AMATEUR RADIO

0700 AM     SNOW             JEFFERSON               39.38N 105.80W
12/06/2007  M1.0 INCH        PARK               CO   AMATEUR RADIO

0700 AM     HEAVY SNOW       1 NW NEDERLAND          39.97N 105.52W
12/06/2007  M6.3 INCH        BOULDER            CO   AMATEUR RADIO

0700 AM     HEAVY SNOW       1 NW ROLLINSVILLE       39.93N 105.51W
12/06/2007  M6.1 INCH        BOULDER            CO   AMATEUR RADIO

0650 AM     HEAVY SNOW       BERTHOUD PASS           39.80N 105.78W
12/06/2007  M17.0 INCH       CLEAR CREEK        CO   TRAINED SPOTTER

            SNOWFALL RATE 2.0 INCHES PER HOUR

0650 AM     HEAVY SNOW       ST MARYS GLACIER        39.84N 105.65W
12/06/2007  M11.0 INCH       CLEAR CREEK        CO   TRAINED SPOTTER

0600 AM     HEAVY SNOW       15 S GEORGETOWN         39.50N 105.70W
12/06/2007  M14.0 INCH       PARK               CO   CO-OP OBSERVER

            CABIN CREEK...16 INCHES ON THE GROUND

0550 AM     SNOW             6 SW BAILEY             39.34N 105.55W
12/06/2007  M1.5 INCH        PARK               CO   TRAINED SPOTTER

0500 AM     SNOW             BRECKENRIDGE            39.51N 106.05W
12/06/2007  M4.0 INCH        SUMMIT             CO   TRAINED SPOTTER

0500 AM     HEAVY SNOW       2 SW WINTER PARK        39.87N 105.81W
12/06/2007  M10.5 INCH       GRAND              CO   TRAINED SPOTTER

0450 AM     HEAVY SNOW       11 WNW DILLON           39.69N 106.23W
12/06/2007  M9.5 INCH        SUMMIT             CO   DEPT OF HIGHWAYS

0438 AM     HEAVY SNOW       5 S BRECKENRIDGE        39.44N 106.05W
12/06/2007  M8.5 INCH        SUMMIT             CO   TRAINED SPOTTER

&&

JK
Local storm report, Dec 7, 7:39 AM MST, 2 hours 21 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
739 AM MST FRI DEC 07 2007

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

0715 AM     SNOW             2 S STERLING            40.62N 103.22W
12/07/2007  M0.5 INCH        LOGAN              CO   TRAINED SPOTTER

0715 AM     HEAVY SNOW       FRISCO                  39.58N 106.10W
12/07/2007  M14.0 INCH       SUMMIT             CO   TRAINED SPOTTER

            STORM TOTAL

0715 AM     SNOW             1 SSE ESTES PARK        40.36N 105.51W
12/07/2007  M3.9 INCH        LARIMER            CO   TRAINED SPOTTER

0710 AM     SNOW             3 W JAMESTOWN           40.12N 105.45W
12/07/2007  M4.4 INCH        BOULDER            CO   TRAINED SPOTTER

            STORM TOTAL 8.0 INCHES

0700 AM     SNOW             STERLING                40.65N 103.21W
12/07/2007  M1.0 INCH        LOGAN              CO   TRAINED SPOTTER

0600 AM     SNOW             5 S GEORGETOWN          39.64N 105.70W
12/07/2007  E2.0 INCH        CLEAR CREEK        CO   CO-OP OBSERVER

            STORM TOTAL 16.0 INCHES

0600 AM     SNOW             3 W GREELEY             40.42N 104.80W
12/07/2007  M0.3 INCH        WELD               CO   NWS EMPLOYEE

0600 AM     SNOW             FAIRPLAY                39.22N 106.00W
12/07/2007  M5.0 INCH        PARK               CO   TRAINED SPOTTER

            STORM TOTAL 8.0 INCHES

0600 AM     SNOW             NIWOT                   40.10N 105.16W
12/07/2007  M0.7 INCH        BOULDER            CO   TRAINED SPOTTER

0909 PM     HEAVY SNOW       ST MARYS GLACIER        39.84N 105.65W
12/06/2007  M18.0 INCH       CLEAR CREEK        CO   TRAINED SPOTTER

            6 INCHES NEW SINCE 8AM.

0730 PM     SNOW             6 SSW GRAND LAKE        40.17N 105.86W
12/06/2007  M5.0 INCH        GRAND              CO   CO-OP OBSERVER

            4-5 INCHES AVERAGE SNOW ON THE GROUND SINCE MIDNIGHT

0730 PM     HEAVY SNOW       1 NW FRASER             39.95N 105.81W
12/06/2007  M9.1 INCH        GRAND              CO   TRAINED SPOTTER

            6.1 INCHES AT 8AM. 3.0 INCHES BETWEEN 8AM AND 7PM

0322 PM     HEAVY SNOW       WINTER PARK             39.89N 105.78W
12/06/2007  M10.0 INCH       GRAND              CO   TRAINED SPOTTER

1247 PM     SNOW             HOT SULPHUR SPRINGS     40.07N 106.10W
12/06/2007  M5.5 INCH        GRAND              CO   TRAINED SPOTTER

1100 AM     HEAVY SNOW       2 NW FRASER             39.96N 105.82W
12/06/2007  M6.0 INCH        GRAND              CO   TRAINED SPOTTER

0840 AM     HEAVY SNOW       GEORGETOWN              39.72N 105.70W
12/06/2007  M6.1 INCH        CLEAR CREEK        CO   TRAINED SPOTTER

0800 AM     SNOW             KREMMLING               40.06N 106.38W
12/06/2007  M3.0 INCH        GRAND              CO   CO-OP OBSERVER

0800 AM     HEAVY SNOW       GEORGETOWN              39.72N 105.70W
12/06/2007  M6.1 INCH        CLEAR CREEK        CO   TRAINED SPOTTER

            1 INCH BETWEEN 8AM AT 7PM.

0800 AM     HEAVY SNOW       WILLIAMS FORK RESERVOIR 40.03N 106.20W
12/06/2007  M6.0 INCH        GRAND              CO   CO-OP OBSERVER

0730 AM     SNOW             GRANT                   39.45N 105.67W
12/06/2007  M3.0 INCH        PARK               CO   TRAINED SPOTTER

0700 AM     HEAVY SNOW       1 NW ROLLINSVILLE       39.93N 105.51W
12/06/2007  M6.1 INCH        BOULDER            CO   AMATEUR RADIO

0700 AM     HEAVY SNOW       1 NW NEDERLAND          39.97N 105.52W
12/06/2007  M6.3 INCH        BOULDER            CO   AMATEUR RADIO

0700 AM     SNOW             JEFFERSON               39.38N 105.80W
12/06/2007  M1.0 INCH        PARK               CO   AMATEUR RADIO

0700 AM     SNOW             CONIFER                 39.52N 105.30W
12/06/2007  M2.2 INCH        JEFFERSON          CO   AMATEUR RADIO

0700 AM     SNOW             5 N BAILEY              39.47N 105.47W
12/06/2007  M1.3 INCH        PARK               CO   AMATEUR RADIO

0700 AM     SNOW             ASPEN SPRINGS           39.83N 105.48W
12/06/2007  M5.0 INCH        GILPIN             CO   AMATEUR RADIO

0650 AM     HEAVY SNOW       BERTHOUD PASS           39.80N 105.78W
12/06/2007  M17.0 INCH       CLEAR CREEK        CO   TRAINED SPOTTER

            SNOWFALL RATE 2.0 INCHES PER HOUR

0650 AM     HEAVY SNOW       ST MARYS GLACIER        39.84N 105.65W
12/06/2007  M11.0 INCH       CLEAR CREEK        CO   TRAINED SPOTTER

0600 AM     HEAVY SNOW       15 S GEORGETOWN         39.50N 105.70W
12/06/2007  M14.0 INCH       PARK               CO   CO-OP OBSERVER

            CABIN CREEK...16 INCHES ON THE GROUND

0550 AM     SNOW             6 SW BAILEY             39.34N 105.55W
12/06/2007  M1.5 INCH        PARK               CO   TRAINED SPOTTER

0500 AM     SNOW             BRECKENRIDGE            39.51N 106.05W
12/06/2007  M4.0 INCH        SUMMIT             CO   TRAINED SPOTTER

0500 AM     HEAVY SNOW       2 SW WINTER PARK        39.87N 105.81W
12/06/2007  M10.5 INCH       GRAND              CO   TRAINED SPOTTER

0450 AM     HEAVY SNOW       11 WNW DILLON           39.69N 106.23W
12/06/2007  M9.5 INCH        SUMMIT             CO   DEPT OF HIGHWAYS

0438 AM     HEAVY SNOW       5 S BRECKENRIDGE        39.44N 106.05W
12/06/2007  M8.5 INCH        SUMMIT             CO   TRAINED SPOTTER

&&

JK
Local storm report, Dec 7, 7:55 AM MST, 2 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
755 AM MST FRI DEC 07 2007

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

0750 AM     SNOW             7 S NEW RAYMER          40.51N 103.83W
12/07/2007  M3.3 INCH        MORGAN             CO   TRAINED SPOTTER

0715 AM     SNOW             2 S STERLING            40.62N 103.22W
12/07/2007  M0.5 INCH        LOGAN              CO   TRAINED SPOTTER

0715 AM     HEAVY SNOW       FRISCO                  39.58N 106.10W
12/07/2007  M14.0 INCH       SUMMIT             CO   TRAINED SPOTTER

            STORM TOTAL

0715 AM     SNOW             1 SSE ESTES PARK        40.36N 105.51W
12/07/2007  M3.9 INCH        LARIMER            CO   TRAINED SPOTTER

0710 AM     SNOW             3 W JAMESTOWN           40.12N 105.45W
12/07/2007  M4.4 INCH        BOULDER            CO   TRAINED SPOTTER

            STORM TOTAL 8.0 INCHES

0700 AM     SNOW             STERLING                40.65N 103.21W
12/07/2007  M1.0 INCH        LOGAN              CO   TRAINED SPOTTER

0600 AM     SNOW             NIWOT                   40.10N 105.16W
12/07/2007  M0.7 INCH        BOULDER            CO   TRAINED SPOTTER

0600 AM     SNOW             FAIRPLAY                39.22N 106.00W
12/07/2007  M5.0 INCH        PARK               CO   TRAINED SPOTTER

            STORM TOTAL 8.0 INCHES

0600 AM     SNOW             3 W GREELEY             40.42N 104.80W
12/07/2007  M0.3 INCH        WELD               CO   NWS EMPLOYEE

0600 AM     SNOW             5 S GEORGETOWN          39.64N 105.70W
12/07/2007  E2.0 INCH        CLEAR CREEK        CO   CO-OP OBSERVER

            STORM TOTAL 16.0 INCHES

0909 PM     HEAVY SNOW       ST MARYS GLACIER        39.84N 105.65W
12/06/2007  M18.0 INCH       CLEAR CREEK        CO   TRAINED SPOTTER

            6 INCHES NEW SINCE 8AM.

0730 PM     SNOW             6 SSW GRAND LAKE        40.17N 105.86W
12/06/2007  M5.0 INCH        GRAND              CO   CO-OP OBSERVER

            4-5 INCHES AVERAGE SNOW ON THE GROUND SINCE MIDNIGHT

0730 PM     HEAVY SNOW       1 NW FRASER             39.95N 105.81W
12/06/2007  M9.1 INCH        GRAND              CO   TRAINED SPOTTER

            6.1 INCHES AT 8AM. 3.0 INCHES BETWEEN 8AM AND 7PM

0322 PM     HEAVY SNOW       WINTER PARK             39.89N 105.78W
12/06/2007  M10.0 INCH       GRAND              CO   TRAINED SPOTTER

1247 PM     SNOW             HOT SULPHUR SPRINGS     40.07N 106.10W
12/06/2007  M5.5 INCH        GRAND              CO   TRAINED SPOTTER

1100 AM     HEAVY SNOW       2 NW FRASER             39.96N 105.82W
12/06/2007  M6.0 INCH        GRAND              CO   TRAINED SPOTTER

0840 AM     HEAVY SNOW       GEORGETOWN              39.72N 105.70W
12/06/2007  M6.1 INCH        CLEAR CREEK        CO   TRAINED SPOTTER

0800 AM     HEAVY SNOW       WILLIAMS FORK RESERVOIR 40.03N 106.20W
12/06/2007  M6.0 INCH        GRAND              CO   CO-OP OBSERVER

0800 AM     HEAVY SNOW       GEORGETOWN              39.72N 105.70W
12/06/2007  M6.1 INCH        CLEAR CREEK        CO   TRAINED SPOTTER

            1 INCH BETWEEN 8AM AT 7PM.

0800 AM     SNOW             KREMMLING               40.06N 106.38W
12/06/2007  M3.0 INCH        GRAND              CO   CO-OP OBSERVER

0730 AM     SNOW             GRANT                   39.45N 105.67W
12/06/2007  M3.0 INCH        PARK               CO   TRAINED SPOTTER

0700 AM     SNOW             ASPEN SPRINGS           39.83N 105.48W
12/06/2007  M5.0 INCH        GILPIN             CO   AMATEUR RADIO

0700 AM     SNOW             5 N BAILEY              39.47N 105.47W
12/06/2007  M1.3 INCH        PARK               CO   AMATEUR RADIO

0700 AM     SNOW             CONIFER                 39.52N 105.30W
12/06/2007  M2.2 INCH        JEFFERSON          CO   AMATEUR RADIO

0700 AM     SNOW             JEFFERSON               39.38N 105.80W
12/06/2007  M1.0 INCH        PARK               CO   AMATEUR RADIO

0700 AM     HEAVY SNOW       1 NW NEDERLAND          39.97N 105.52W
12/06/2007  M6.3 INCH        BOULDER            CO   AMATEUR RADIO

0700 AM     HEAVY SNOW       1 NW ROLLINSVILLE       39.93N 105.51W
12/06/2007  M6.1 INCH        BOULDER            CO   AMATEUR RADIO

0650 AM     HEAVY SNOW       BERTHOUD PASS           39.80N 105.78W
12/06/2007  M17.0 INCH       CLEAR CREEK        CO   TRAINED SPOTTER

            SNOWFALL RATE 2.0 INCHES PER HOUR

0650 AM     HEAVY SNOW       ST MARYS GLACIER        39.84N 105.65W
12/06/2007  M11.0 INCH       CLEAR CREEK        CO   TRAINED SPOTTER

0600 AM     HEAVY SNOW       15 S GEORGETOWN         39.50N 105.70W
12/06/2007  M14.0 INCH       PARK               CO   CO-OP OBSERVER

            CABIN CREEK...16 INCHES ON THE GROUND

0550 AM     SNOW             6 SW BAILEY             39.34N 105.55W
12/06/2007  M1.5 INCH        PARK               CO   TRAINED SPOTTER

0500 AM     SNOW             BRECKENRIDGE            39.51N 106.05W
12/06/2007  M4.0 INCH        SUMMIT             CO   TRAINED SPOTTER

0500 AM     HEAVY SNOW       2 SW WINTER PARK        39.87N 105.81W
12/06/2007  M10.5 INCH       GRAND              CO   TRAINED SPOTTER

0450 AM     HEAVY SNOW       11 WNW DILLON           39.69N 106.23W
12/06/2007  M9.5 INCH        SUMMIT             CO   DEPT OF HIGHWAYS

0438 AM     HEAVY SNOW       5 S BRECKENRIDGE        39.44N 106.05W
12/06/2007  M8.5 INCH        SUMMIT             CO   TRAINED SPOTTER

&&

JK
Local storm report, Dec 7, 8:11 AM MST, 1 hour 49 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
811 AM MST FRI DEC 07 2007

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

0800 AM     SNOW             7 ENE VIRGINIA DALE     40.99N 105.23W
12/07/2007  M3.8 INCH        LARIMER            CO   TRAINED SPOTTER

0800 AM     SNOW             1 SW EVERGREEN          39.62N 105.36W
12/07/2007  M3.0 INCH        JEFFERSON          CO   TRAINED SPOTTER

            1.0 INCHES SNOW OVERNIGHT

0750 AM     SNOW             7 S NEW RAYMER          40.51N 103.83W
12/07/2007  M3.3 INCH        MORGAN             CO   TRAINED SPOTTER

0715 AM     SNOW             2 S STERLING            40.62N 103.22W
12/07/2007  M0.5 INCH        LOGAN              CO   TRAINED SPOTTER

0715 AM     HEAVY SNOW       FRISCO                  39.58N 106.10W
12/07/2007  M14.0 INCH       SUMMIT             CO   TRAINED SPOTTER

            STORM TOTAL

0715 AM     SNOW             1 SSE ESTES PARK        40.36N 105.51W
12/07/2007  M3.9 INCH        LARIMER            CO   TRAINED SPOTTER

0710 AM     SNOW             3 W JAMESTOWN           40.12N 105.45W
12/07/2007  M4.4 INCH        BOULDER            CO   TRAINED SPOTTER

            STORM TOTAL 8.0 INCHES

0700 AM     SNOW             STERLING                40.65N 103.21W
12/07/2007  M1.0 INCH        LOGAN              CO   TRAINED SPOTTER

0600 AM     SNOW             2 N LOVELAND            40.45N 105.07W
12/07/2007  M1.6 INCH        LARIMER            CO   TRAINED SPOTTER

0600 AM     SNOW             5 S GEORGETOWN          39.64N 105.70W
12/07/2007  E2.0 INCH        CLEAR CREEK        CO   CO-OP OBSERVER

            STORM TOTAL 16.0 INCHES

0600 AM     SNOW             3 W GREELEY             40.42N 104.80W
12/07/2007  M0.3 INCH        WELD               CO   NWS EMPLOYEE

0600 AM     SNOW             FAIRPLAY                39.22N 106.00W
12/07/2007  M5.0 INCH        PARK               CO   TRAINED SPOTTER

            STORM TOTAL 8.0 INCHES

0600 AM     SNOW             NIWOT                   40.10N 105.16W
12/07/2007  M0.7 INCH        BOULDER            CO   TRAINED SPOTTER

0909 PM     HEAVY SNOW       ST MARYS GLACIER        39.84N 105.65W
12/06/2007  M18.0 INCH       CLEAR CREEK        CO   TRAINED SPOTTER

            6 INCHES NEW SINCE 8AM.

0730 PM     SNOW             6 SSW GRAND LAKE        40.17N 105.86W
12/06/2007  M5.0 INCH        GRAND              CO   CO-OP OBSERVER

            4-5 INCHES AVERAGE SNOW ON THE GROUND SINCE MIDNIGHT

0730 PM     HEAVY SNOW       1 NW FRASER             39.95N 105.81W
12/06/2007  M9.1 INCH        GRAND              CO   TRAINED SPOTTER

            6.1 INCHES AT 8AM. 3.0 INCHES BETWEEN 8AM AND 7PM

0322 PM     HEAVY SNOW       WINTER PARK             39.89N 105.78W
12/06/2007  M10.0 INCH       GRAND              CO   TRAINED SPOTTER

1247 PM     SNOW             HOT SULPHUR SPRINGS     40.07N 106.10W
12/06/2007  M5.5 INCH        GRAND              CO   TRAINED SPOTTER

1100 AM     HEAVY SNOW       2 NW FRASER             39.96N 105.82W
12/06/2007  M6.0 INCH        GRAND              CO   TRAINED SPOTTER

0840 AM     HEAVY SNOW       GEORGETOWN              39.72N 105.70W
12/06/2007  M6.1 INCH        CLEAR CREEK        CO   TRAINED SPOTTER

0800 AM     HEAVY SNOW       WILLIAMS FORK RESERVOIR 40.03N 106.20W
12/06/2007  M6.0 INCH        GRAND              CO   CO-OP OBSERVER

0800 AM     HEAVY SNOW       GEORGETOWN              39.72N 105.70W
12/06/2007  M6.1 INCH        CLEAR CREEK        CO   TRAINED SPOTTER

            1 INCH BETWEEN 8AM AT 7PM.

0800 AM     SNOW             KREMMLING               40.06N 106.38W
12/06/2007  M3.0 INCH        GRAND              CO   CO-OP OBSERVER

0730 AM     SNOW             GRANT                   39.45N 105.67W
12/06/2007  M3.0 INCH        PARK               CO   TRAINED SPOTTER

0700 AM     HEAVY SNOW       1 NW ROLLINSVILLE       39.93N 105.51W
12/06/2007  M6.1 INCH        BOULDER            CO   AMATEUR RADIO

0700 AM     HEAVY SNOW       1 NW NEDERLAND          39.97N 105.52W
12/06/2007  M6.3 INCH        BOULDER            CO   AMATEUR RADIO

0700 AM     SNOW             JEFFERSON               39.38N 105.80W
12/06/2007  M1.0 INCH        PARK               CO   AMATEUR RADIO

0700 AM     SNOW             CONIFER                 39.52N 105.30W
12/06/2007  M2.2 INCH        JEFFERSON          CO   AMATEUR RADIO

0700 AM     SNOW             5 N BAILEY              39.47N 105.47W
12/06/2007  M1.3 INCH        PARK               CO   AMATEUR RADIO

0700 AM     SNOW             ASPEN SPRINGS           39.83N 105.48W
12/06/2007  M5.0 INCH        GILPIN             CO   AMATEUR RADIO

0650 AM     HEAVY SNOW       BERTHOUD PASS           39.80N 105.78W
12/06/2007  M17.0 INCH       CLEAR CREEK        CO   TRAINED SPOTTER

            SNOWFALL RATE 2.0 INCHES PER HOUR

0650 AM     HEAVY SNOW       ST MARYS GLACIER        39.84N 105.65W
12/06/2007  M11.0 INCH       CLEAR CREEK        CO   TRAINED SPOTTER

0600 AM     HEAVY SNOW       15 S GEORGETOWN         39.50N 105.70W
12/06/2007  M14.0 INCH       PARK               CO   CO-OP OBSERVER

            CABIN CREEK...16 INCHES ON THE GROUND

0550 AM     SNOW             6 SW BAILEY             39.34N 105.55W
12/06/2007  M1.5 INCH        PARK               CO   TRAINED SPOTTER

0500 AM     SNOW             BRECKENRIDGE            39.51N 106.05W
12/06/2007  M4.0 INCH        SUMMIT             CO   TRAINED SPOTTER

0500 AM     HEAVY SNOW       2 SW WINTER PARK        39.87N 105.81W
12/06/2007  M10.5 INCH       GRAND              CO   TRAINED SPOTTER

0450 AM     HEAVY SNOW       11 WNW DILLON           39.69N 106.23W
12/06/2007  M9.5 INCH        SUMMIT             CO   DEPT OF HIGHWAYS

0438 AM     HEAVY SNOW       5 S BRECKENRIDGE        39.44N 106.05W
12/06/2007  M8.5 INCH        SUMMIT             CO   TRAINED SPOTTER

&&

JK
Local storm report, Dec 7, 9:32 AM MST, 28 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
932 AM MST FRI DEC 07 2007

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

0800 AM     SNOW             7 ENE VIRGINIA DALE     40.99N 105.23W
12/07/2007  M3.8 INCH        LARIMER            CO   TRAINED SPOTTER

0800 AM     SNOW             1 SW EVERGREEN          39.62N 105.36W
12/07/2007  M3.0 INCH        JEFFERSON          CO   TRAINED SPOTTER

            1.0 INCHES SNOW OVERNIGHT

0800 AM     SNOW             GUFFEY                  38.75N 105.53W
12/07/2007  M5.0 INCH        PARK               CO   PUBLIC

0750 AM     SNOW             7 S NEW RAYMER          40.51N 103.83W
12/07/2007  M3.3 INCH        MORGAN             CO   TRAINED SPOTTER

0715 AM     SNOW             2 S STERLING            40.62N 103.22W
12/07/2007  M0.5 INCH        LOGAN              CO   TRAINED SPOTTER

0715 AM     SNOW             1 SSE ESTES PARK        40.36N 105.51W
12/07/2007  M3.9 INCH        LARIMER            CO   TRAINED SPOTTER

0715 AM     HEAVY SNOW       FRISCO                  39.58N 106.10W
12/07/2007  M14.0 INCH       SUMMIT             CO   TRAINED SPOTTER

            STORM TOTAL SINCE WEDNESDAY NIGHT

0710 AM     SNOW             3 W JAMESTOWN           40.12N 105.45W
12/07/2007  M4.4 INCH        BOULDER            CO   TRAINED SPOTTER

            4.4 INCHES OVERNIGHT. STORM TOTAL 8.0 INCHES SINCE
            WEDNESDAY NIGHT.

0700 AM     SNOW             1 NW ROLLINSVILLE       39.93N 105.51W
12/07/2007  M4.7 INCH        BOULDER            CO   AMATEUR RADIO

            STORM TOTAL 11.0 INCHES SINCE WEDNESDAY NIGHT

0700 AM     SNOW             NEDERLAND               39.96N 105.50W
12/07/2007  M5.3 INCH        BOULDER            CO   AMATEUR RADIO

            STORM TOTAL 11.8 INCHES SINCE WEDNESDAY NIGHT

0700 AM     HEAVY SNOW       1 E DILLON              39.62N 106.02W
12/07/2007  M6.0 INCH        SUMMIT             CO   TRAINED SPOTTER

            STORM TOTAL 15.0 INCHES SINCE WEDNESDAY NIGHT

0700 AM     SNOW             STERLING                40.65N 103.21W
12/07/2007  M1.0 INCH        LOGAN              CO   TRAINED SPOTTER

0600 AM     SNOW             2 N LOVELAND            40.45N 105.07W
12/07/2007  M1.6 INCH        LARIMER            CO   TRAINED SPOTTER

0600 AM     SNOW             3 W GREELEY             40.42N 104.80W
12/07/2007  M0.3 INCH        WELD               CO   NWS EMPLOYEE

0600 AM     SNOW             NIWOT                   40.10N 105.16W
12/07/2007  M0.7 INCH        BOULDER            CO   TRAINED SPOTTER

0600 AM     SNOW             FAIRPLAY                39.22N 106.00W
12/07/2007  M5.0 INCH        PARK               CO   TRAINED SPOTTER

            STORM TOTAL 8.0 INCHES SINCE WEDNESDAY NIGHT

0600 AM     SNOW             5 S GEORGETOWN          39.64N 105.70W
12/07/2007  E2.0 INCH        CLEAR CREEK        CO   CO-OP OBSERVER

            STORM TOTAL 16.0 INCHES SINCE WEDNESDAY NIGHT

0909 PM     HEAVY SNOW       ST MARYS GLACIER        39.84N 105.65W
12/06/2007  M18.0 INCH       CLEAR CREEK        CO   TRAINED SPOTTER

            6 INCHES NEW SINCE 8AM.

0730 PM     SNOW             6 SSW GRAND LAKE        40.17N 105.86W
12/06/2007  M5.0 INCH        GRAND              CO   CO-OP OBSERVER

            4-5 INCHES AVERAGE SNOW ON THE GROUND SINCE MIDNIGHT

0730 PM     HEAVY SNOW       1 NW FRASER             39.95N 105.81W
12/06/2007  M9.1 INCH        GRAND              CO   TRAINED SPOTTER

            6.1 INCHES AT 8AM. 3.0 INCHES BETWEEN 8AM AND 7PM

0322 PM     HEAVY SNOW       WINTER PARK             39.89N 105.78W
12/06/2007  M10.0 INCH       GRAND              CO   TRAINED SPOTTER

1247 PM     SNOW             HOT SULPHUR SPRINGS     40.07N 106.10W
12/06/2007  M5.5 INCH        GRAND              CO   TRAINED SPOTTER

1100 AM     HEAVY SNOW       2 NW FRASER             39.96N 105.82W
12/06/2007  M6.0 INCH        GRAND              CO   TRAINED SPOTTER

0840 AM     HEAVY SNOW       GEORGETOWN              39.72N 105.70W
12/06/2007  M6.1 INCH        CLEAR CREEK        CO   TRAINED SPOTTER

0800 AM     HEAVY SNOW       WILLIAMS FORK RESERVOIR 40.03N 106.20W
12/06/2007  M6.0 INCH        GRAND              CO   CO-OP OBSERVER

0800 AM     HEAVY SNOW       GEORGETOWN              39.72N 105.70W
12/06/2007  M6.1 INCH        CLEAR CREEK        CO   TRAINED SPOTTER

            1 INCH BETWEEN 8AM AT 7PM.

0800 AM     SNOW             KREMMLING               40.06N 106.38W
12/06/2007  M3.0 INCH        GRAND              CO   CO-OP OBSERVER

0730 AM     SNOW             GRANT                   39.45N 105.67W
12/06/2007  M3.0 INCH        PARK               CO   TRAINED SPOTTER

0700 AM     SNOW             ASPEN SPRINGS           39.83N 105.48W
12/06/2007  M5.0 INCH        GILPIN             CO   AMATEUR RADIO

0700 AM     SNOW             5 N BAILEY              39.47N 105.47W
12/06/2007  M1.3 INCH        PARK               CO   AMATEUR RADIO

0700 AM     SNOW             CONIFER                 39.52N 105.30W
12/06/2007  M2.2 INCH        JEFFERSON          CO   AMATEUR RADIO

0650 AM     HEAVY SNOW       BERTHOUD PASS           39.80N 105.78W
12/06/2007  M17.0 INCH       CLEAR CREEK        CO   TRAINED SPOTTER

            SNOWFALL RATE 2.0 INCHES PER HOUR

0650 AM     HEAVY SNOW       ST MARYS GLACIER        39.84N 105.65W
12/06/2007  M11.0 INCH       CLEAR CREEK        CO   TRAINED SPOTTER

0550 AM     SNOW             6 SW BAILEY             39.34N 105.55W
12/06/2007  M1.5 INCH        PARK               CO   TRAINED SPOTTER

0500 AM     SNOW             BRECKENRIDGE            39.51N 106.05W
12/06/2007  M4.0 INCH        SUMMIT             CO   TRAINED SPOTTER

0500 AM     HEAVY SNOW       2 SW WINTER PARK        39.87N 105.81W
12/06/2007  M10.5 INCH       GRAND              CO   TRAINED SPOTTER

0450 AM     HEAVY SNOW       11 WNW DILLON           39.69N 106.23W
12/06/2007  M9.5 INCH        SUMMIT             CO   DEPT OF HIGHWAYS

0438 AM     HEAVY SNOW       5 S BRECKENRIDGE        39.44N 106.05W
12/06/2007  M8.5 INCH        SUMMIT             CO   TRAINED SPOTTER

&&

JK
Local storm report, Dec 7, 9:49 AM MST, 11 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DENVER CO
949 AM MST FRI DEC 07 2007

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

0944 AM     HEAVY SNOW       2 N ALMA                39.31N 106.07W
12/07/2007  M8.0 INCH        PARK               CO   TRAINED SPOTTER

            14.0 INCHES SINCE WEDNESDAY MORNING

0800 AM     SNOW             7 ENE VIRGINIA DALE     40.99N 105.23W
12/07/2007  M3.8 INCH        LARIMER            CO   TRAINED SPOTTER

0800 AM     SNOW             1 SW EVERGREEN          39.62N 105.36W
12/07/2007  M3.0 INCH        JEFFERSON          CO   TRAINED SPOTTER

            1.0 INCHES SNOW OVERNIGHT

0800 AM     SNOW             GUFFEY                  38.75N 105.53W
12/07/2007  M5.0 INCH        PARK               CO   PUBLIC

0750 AM     SNOW             7 S NEW RAYMER          40.51N 103.83W
12/07/2007  M3.3 INCH        MORGAN             CO   TRAINED SPOTTER

0715 AM     SNOW             2 S STERLING            40.62N 103.22W
12/07/2007  M0.5 INCH        LOGAN              CO   TRAINED SPOTTER

0715 AM     SNOW             1 SSE ESTES PARK        40.36N 105.51W
12/07/2007  M3.9 INCH        LARIMER            CO   TRAINED SPOTTER

0715 AM     HEAVY SNOW       FRISCO                  39.58N 106.10W
12/07/2007  M14.0 INCH       SUMMIT             CO   TRAINED SPOTTER

            STORM TOTAL SINCE WEDNESDAY NIGHT

0710 AM     SNOW             3 W JAMESTOWN           40.12N 105.45W
12/07/2007  M4.4 INCH        BOULDER            CO   TRAINED SPOTTER

            8.0 INCHES SINCE WEDNESDAY NIGHT.

0700 AM     SNOW             1 NW ROLLINSVILLE       39.93N 105.51W
12/07/2007  M4.7 INCH        BOULDER            CO   AMATEUR RADIO

            11.0 INCHES SINCE WEDNESDAY NIGHT

0700 AM     SNOW             NEDERLAND               39.96N 105.50W
12/07/2007  M5.3 INCH        BOULDER            CO   AMATEUR RADIO

            11.8 INCHES SINCE WEDNESDAY NIGHT

0700 AM     HEAVY SNOW       1 E DILLON              39.62N 106.02W
12/07/2007  M6.0 INCH        SUMMIT             CO   TRAINED SPOTTER

            15.0 INCHES SINCE WEDNESDAY NIGHT

0700 AM     SNOW             STERLING                40.65N 103.21W
12/07/2007  M1.0 INCH        LOGAN              CO   TRAINED SPOTTER

0600 AM     SNOW             2 N LOVELAND            40.45N 105.07W
12/07/2007  M1.6 INCH        LARIMER            CO   TRAINED SPOTTER

0600 AM     SNOW             3 W GREELEY             40.42N 104.80W
12/07/2007  M0.3 INCH        WELD               CO   NWS EMPLOYEE

0600 AM     SNOW             NIWOT                   40.10N 105.16W
12/07/2007  M0.7 INCH        BOULDER            CO   TRAINED SPOTTER

0600 AM     SNOW             FAIRPLAY                39.22N 106.00W
12/07/2007  M5.0 INCH        PARK               CO   TRAINED SPOTTER

            8.0 INCHES SINCE WEDNESDAY NIGHT

0600 AM     SNOW             5 S GEORGETOWN          39.64N 105.70W
12/07/2007  E2.0 INCH        CLEAR CREEK        CO   CO-OP OBSERVER

            16.0 INCHES SINCE WEDNESDAY NIGHT

0909 PM     HEAVY SNOW       ST MARYS GLACIER        39.84N 105.65W
12/06/2007  M18.0 INCH       CLEAR CREEK        CO   TRAINED SPOTTER

            6 INCHES NEW SINCE 8AM.

0730 PM     HEAVY SNOW       1 NW FRASER             39.95N 105.81W
12/06/2007  M9.1 INCH        GRAND              CO   TRAINED SPOTTER

            6.1 INCHES AT 8AM. 3.0 INCHES BETWEEN 8AM AND 7PM

0730 PM     SNOW             6 SSW GRAND LAKE        40.17N 105.86W
12/06/2007  M5.0 INCH        GRAND              CO   CO-OP OBSERVER

            4-5 INCHES AVERAGE SNOW ON THE GROUND SINCE MIDNIGHT

0322 PM     HEAVY SNOW       WINTER PARK             39.89N 105.78W
12/06/2007  M10.0 INCH       GRAND              CO   TRAINED SPOTTER

1247 PM     SNOW             HOT SULPHUR SPRINGS     40.07N 106.10W
12/06/2007  M5.5 INCH        GRAND              CO   TRAINED SPOTTER

1100 AM     HEAVY SNOW       2 NW FRASER             39.96N 105.82W
12/06/2007  M6.0 INCH        GRAND              CO   TRAINED SPOTTER

0840 AM     HEAVY SNOW       GEORGETOWN              39.72N 105.70W
12/06/2007  M6.1 INCH        CLEAR CREEK        CO   TRAINED SPOTTER

0800 AM     HEAVY SNOW       WILLIAMS FORK RESERVOIR 40.03N 106.20W
12/06/2007  M6.0 INCH        GRAND              CO   CO-OP OBSERVER

0800 AM     HEAVY SNOW       GEORGETOWN              39.72N 105.70W
12/06/2007  M6.1 INCH        CLEAR CREEK        CO   TRAINED SPOTTER

            1 INCH BETWEEN 8AM AT 7PM.

0800 AM     SNOW             KREMMLING               40.06N 106.38W
12/06/2007  M3.0 INCH        GRAND              CO   CO-OP OBSERVER

0730 AM     SNOW             GRANT                   39.45N 105.67W
12/06/2007  M3.0 INCH        PARK               CO   TRAINED SPOTTER

0700 AM     SNOW             CONIFER                 39.52N 105.30W
12/06/2007  M2.2 INCH        JEFFERSON          CO   AMATEUR RADIO

0700 AM     SNOW             5 N BAILEY              39.47N 105.47W
12/06/2007  M1.3 INCH        PARK               CO   AMATEUR RADIO

0700 AM     SNOW             ASPEN SPRINGS           39.83N 105.48W
12/06/2007  M5.0 INCH        GILPIN             CO   AMATEUR RADIO

0700 AM     SNOW             JEFFERSON               39.38N 105.80W
12/06/2007  M1.0 INCH        PARK               CO   AMATEUR RADIO

0650 AM     HEAVY SNOW       BERTHOUD PASS           39.80N 105.78W
12/06/2007  M17.0 INCH       CLEAR CREEK        CO   TRAINED SPOTTER

            SNOWFALL RATE 2.0 INCHES PER HOUR

0650 AM     HEAVY SNOW       ST MARYS GLACIER        39.84N 105.65W
12/06/2007  M11.0 INCH       CLEAR CREEK        CO   TRAINED SPOTTER

0550 AM     SNOW             6 SW BAILEY             39.34N 105.55W
12/06/2007  M1.5 INCH        PARK               CO   TRAINED SPOTTER

0500 AM     SNOW             BRECKENRIDGE            39.51N 106.05W
12/06/2007  M4.0 INCH        SUMMIT             CO   TRAINED SPOTTER

0500 AM     HEAVY SNOW       2 SW WINTER PARK        39.87N 105.81W
12/06/2007  M10.5 INCH       GRAND              CO   TRAINED SPOTTER

0450 AM     HEAVY SNOW       11 WNW DILLON           39.69N 106.23W
12/06/2007  M9.5 INCH        SUMMIT             CO   DEPT OF HIGHWAYS

0438 AM     HEAVY SNOW       5 S BRECKENRIDGE        39.44N 106.05W
12/06/2007  M8.5 INCH        SUMMIT             CO   TRAINED SPOTTER

&&

JK

The radar

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

Open the radar archive at this moment

Event by event

3 winter weather, 1 winter storm. Local standard time, as filed.

Winter Storm, S & Se Grand / W Central & Sw Boulder / Gilpin / Clear Creek / Summit / N & W Park Counties Above 9000 Feet

When
December 7, 10:00 AM MST to December 8, 3:30 AM MST
Where
S & Se Grand / W Central & Sw Boulder / Gilpin / Clear Creek / Summit / N & W Park Counties Above 9000 Feet forecast zone
Reported by
Trained Spotter
Coordinates
39.726, -105.675 (the zone’s center; the record gives no point)

Winter Weather, S & E Jackson / Larimer / N & Ne Grand / Nw Boulder Counties Above 9000 Feet

When
December 7, 10:00 AM MST to December 8, 3:30 AM MST
Where
S & E Jackson / Larimer / N & Ne Grand / Nw Boulder Counties Above 9000 Feet forecast zone
Reported by
Trained Spotter
Coordinates
40.382, -105.820 (the zone’s center; the record gives no point)

Winter Weather, C & Se Park County

When
December 7, 10:00 AM MST to December 8, 3:30 AM MST
Where
C & Se Park County forecast zone
Reported by
Trained Spotter
Coordinates
39.119, -105.717 (the zone’s center; the record gives no point)

Winter Weather, Grand & Summit Counties Below 9000 Feet

When
December 7, 10:00 AM MST to December 8, 3:30 AM MST
Where
Grand & Summit Counties Below 9000 Feet forecast zone
Reported by
Trained Spotter
Coordinates
39.869, -106.117 (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.
Winter Weather
Snow, sleet or freezing rain below warning levels that still caused disruption, damage or casualties.

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

The same day elsewhere

More

Every storm in Colorado in 2007Every state in 2007This day in weather historyWarnings in Colorado, December 2007

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: 63751, 63752, 63753, 63754.