Alert archive / Colorado / Heavy Snow Warnings in 2007

Heavy Snow Warning 2, NWS Pueblo, CO

December 7, 2007Chaffee County, Colorado

NWS Pueblo, CO issued this heavy snow warning at Dec 7, 2007, 6:57 AM MST for Chaffee County, Colorado. It was in force for 10 hr. 20 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
Dec 7, 2007, 6:57 AM MST (13:57 UTC)
Expired
Dec 7, 2007, 5:00 PM MST
In force
10 hr
Issued by
NWS Pueblo, CO

County Chaffee County, CO

The radar

The Pueblo radar (KPUX), 178 km from the middle of the area, began a volume at 13:56 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

TimeReportWhereRemark
Dec 7, 7:09 AM MSTSNOW 8.55 Nw Buena Vista, CO8.5 INCHES OVERNIGHT. STILL SNOWING.
Dec 7, 7:39 AM MSTSNOW 11.85 S Nathrop, COSNOWING HEAVY...1 INCH PER HOUR
Dec 7, 8:25 AM MSTSNOW 4.1Maysville, CO13.6 INCHES TOTAL. 4.1 INCHES IN THE LAST 2 HOURS.
Dec 7, 8:25 AM MSTSNOW 4.1N Maysville, CO13.6 INCHES TOTAL. 4.1 INCHES IN THE LAST 2 HOURS.
Dec 7, 8:25 AM MSTSNOW 12Buena Vista, COABOUT A FOOT OF SNOW IN DOWNTOWN BUENA VISTA.
Dec 7, 8:39 AM MSTSNOW 246 Wsw Maysville, CO24 INCHES OF SNOW IN THE LAST 24 HOURS. 44 INCHES OF SNOW ON THE GROUND. 1.4 WATER EQUIVALENT.
Dec 7, 8:49 AM MSTSNOW 141 N Buena Vista, CO14 INCHES IN NEW SNOW OVER 24 HOURS. 4 INCHES SINCE 6 AM.
Dec 7, 9:12 AM MSTSNOW 135 Ssw Nathrop, CO12 TO 13 INCHES OF NEW SNOW IN THE LAST 12 HOURS. STILL SNOWING.
Dec 7, 10:18 AM MSTSNOW 17.55 S Nathrop, CO5 INCHES OF NEW SNOW.
Dec 7, 10:21 AM MSTSNOW 161 N Buena Vista, CO2 INCHES OF NEW SNOW IN AN HOUR. 0.17 IN WATER EQUIVALENT.
Dec 7, 11:55 AM MSTSNOW 14Buena Vista, CO2 INCHES IN 3 HOURS. 14.0 INCHES IN DOWNTOWN BUENA VISTA
Dec 7, 12:06 PM MSTSNOW 20.1Maysville, CO
Dec 7, 1:21 PM MSTSNOW 215 S Nathrop, COSTORM TOTAL SO FAR. 3.5 INCHES NEW SNOW IN PAST 3 HOURS. SNOW DEPTH AT 19.5 INCHES.
Dec 7, 1:21 PM MSTSNOW 215 S Nathrop, COSTORM TOTAL SO FAR. 3.5 INCHES NEW SNOW IN PAST 3 HOURS. SNOW DEPTH AT 19.5 INCHES...WITH 1.28 INCH WATER EQUIVALENT.
Dec 7, 1:27 PM MSTSNOW 181 N Buena Vista, COSTORM TOTAL SO FAR. 2 INCHES IN PAST 3 HOURS. 15 INCHES REMAIN ON GROUND. 0.17 INCHES WATER EQUIVALENT.
Dec 7, 1:27 PM MSTSNOW 181 N Buena Vista, COSTORM TOTAL SO FAR. 2 INCHES IN PAST 3 HOURS...WITH 0.17 INCHES WATER EQUIVALENT. 15 INCHES REMAIN ON GROUND.
Dec 7, 4:07 PM MSTSNOW 23.1Maysville, CO
Dec 7, 4:17 PM MSTSNOW 21.85 S Nathrop, CO
Dec 7, 4:33 PM MSTSNOW 195 Ssw Nathrop, CO
Dec 7, 4:42 PM MSTSNOW 19.51 N Buena Vista, CO1.5 INCHES OF NEW SNOW. 15 INCHES REMAIN ON GROUND.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Grand Junction, CO (KGJT), launched 12:00Z, 2.0 hours before the alert went out and 204 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.

Skew-T log-pSkew-T log-p diagram, Grand Junction, CO at 12:00Z on 2007-12-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Grand Junction, CO at 12:00Z on 2007-12-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 270 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
564 m above ground
0-6 km bulk shear
89 kt
0-1 km storm-relative helicity
270 m²/s²
0-3 km storm-relative helicity
358 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS45 KPUB 071357
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
657 AM MST FRI DEC 7 2007

...MAJOR WINTER STORM SYSTEM CONTINUES THROUGH SATURDAY...

.VIGOROUS AND MOIST WEST TO SOUTHWEST UPPER LEVEL FLOW CONTINUES
ACROSS THE CENTRAL ROCKIES THROUGH AT LEAST SATURDAY. A VERY
MOIST ATMOSPHERE ALONG WITH UPSLOPE FLOW WILL CREATE SNOW...HEAVY
AT TIMES...ESPECIALLY IN THE VICINITY OF THE CONTINENTAL DIVIDE
TODAY THROUGH SATURDAY.

COZ062-072000-
/O.NEW.KPUB.HS.W.0002.071207T1357Z-071208T0000Z/
CENTRAL CHAFFEE COUNTY BELOW 9000 FT-
INCLUDING...SALIDA...BUENA VISTA
657 AM MST FRI DEC 7 2007

...HEAVY SNOW WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. 

THIS HEAVY SNOW WARNING IS IN EFFECT FOR CENTRAL CHAFFEE COUNTY
BELOW 9000 FEET...INCLUDING SALIDA AND BUENA VISTA.

LOOK FOR PERIODS OF SNOW...HEAVY AT TIMES. ADDITIONAL SNOW
ACCUMULATIONS OF 7 TO 10 INCHES ARE EXPECTED TODAY. 

REDUCED VISIBILITY DUE TO HEAVY SNOWFALL IS EXPECTED.

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA DURING THE TIME OF THE WARNING...LISTEN TO
THE LATEST WEATHER FORECAST AND CONSIDER TRAVELING AT ANOTHER
TIME OR BY ANOTHER ROUTE. IF YOU MUST TRAVEL IN THE WARNING AREA
DURING THE TIME OF THE WARNING...TAKE ALONG A WINTER SURVIVAL
KIT. IF YOU BECOME STRANDED IN A RURAL AREA...STAY WITH YOUR
VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR VEHICLE...RUN
YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE THE EXHAUST PIPE
IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE POISONING.

$$

COZ058>061-066-068-072000-
/O.CON.KPUB.WS.W.0011.000000T0000Z-071209T0100Z/
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-
LA GARITA MOUNTAINS ABOVE 10000 FT-
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
INCLUDING...CLIMAX...MOSQUITO PASS...LEADVILLE...
INDEPENDENCE PASS...MT ELBERT...MT MASSIVE...GRANITE...
NORTH PASS...CUMBRES PASS...WOLF CREEK PASS
657 AM MST FRI DEC 7 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST SATURDAY.

THE WARNING IS IN EFFECT FOR THE EASTERN SAWATCH MOUNTAINS ABOVE
9000 FEET...LA GARITA MOUNTAINS AND EASTERN SAN JUAN MOUNTAINS
ABOVE 10000 FEET...WESTERN MOSQUITO RANGE ABOVE 11000 FEET...AND
THE LEADVILLE VICINITY. THIS INCLUDES LEADVILLE...CLIMAX...
GRANITE... INDEPENDENCE PASS...MONARCH PASS...NORTH PASS...
CUMBRES PASS...AND WOLF CREEK PASS.

TODAY AND TONIGHT...SNOW...HEAVY AT TIMES WILL CONTINUE ACROSS
THE HIGHER CONTINENTAL DIVIDE TERRAIN...GENERALLY ABOVE
9000 FEET. STORM TOTAL SNOW ACCUMULATIONS OF 1 TO 4 FEET ARE
EXPECTED ACROSS THE WARNED AREA THROUGH SATURDAY. LOCALLY HIGHER
SNOW AMOUNTS WILL ALSO BE POSSIBLE. WEST TO SOUTHWEST WINDS OF
15 TO 25 MPH WITH GUSTS TO AROUND 40 MPH AT TIMES WILL CREATE
BLOWING SNOW AND REDUCED VISIBILITY DURING THE WARNING. THE
SNOWFALL COVERAGE AND INTENSITY MAY DECREASE LATE TONIGHT INTO
SATURDAY ACROSS THE LA GARITA...SAWATCH...AND MOSQUITO MOUNTAIN
RANGES ON SATURDAY...BUT SCATTERED SNOW SHOWERS WILL STILL BE
LIKELY.

STRONG WINDS AND REDUCED VISIBILITY ARE EXPECTED DUE TO HEAVY
SNOWFALL AND BLOWING SNOW.

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA DURING THE TIME OF THE WARNING...LISTEN TO
THE LATEST WEATHER FORECAST AND CONSIDER TRAVELING AT ANOTHER
TIME OR BY ANOTHER ROUTE. IF YOU MUST TRAVEL IN THE WARNING AREA
DURING THE TIME OF THE WARNING...TAKE ALONG A WINTER SURVIVAL
KIT. IF YOU BECOME STRANDED IN A RURAL AREA...STAY WITH YOUR
VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR VEHICLE...RUN
YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE THE EXHAUST PIPE
IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE POISONING.

$$

COZ063-072000-
/O.NEW.KPUB.SN.Y.0014.071207T1357Z-071208T0000Z/
WESTERN MOSQUITO RANGE/EAST CHAFFEE COUNTY ABOVE 9000 FT-
657 AM MST FRI DEC 7 2007

...SNOW ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. 

THIS ADVISORY IS IN EFFECT FOR WESTERN MOSQUITO MOUNTAIN RANGE OF
EAST CHAFFEE COUNTY ABOVE 9000 FEET. 

LOOK FOR PERIODS OF SNOW...HEAVY AT TIMES. ADDITIONAL SNOW
ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED. 

WINTER WEATHER CONDITIONS ARE EXPECTED TO OCCUR DUE TO SNOWFALL.

IF YOU ARE PLANNING TO TRAVEL IN THE ADVISORY AREA DURING THE
TIME OF THE ADVISORY...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE.

$$

METZE
3 follow-up statements
000 
WWUS45 KPUB 071948
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
1248 PM MST FRI DEC 7 2007

...MAJOR WINTER STORM SYSTEM CONTINUES THROUGH SATURDAY...

.MOIST SOUTHWEST FLOW WILL CONTINUE ACROSS COLORADO THROUGH
AT LEAST SATURDAY. SNOW...HEAVY AT TIMES...WILL CONTINUE ACROSS
THE CENTRAL AND SOUTHWEST MOUNTAINS OF COLORADO...WITH THE
HEAVIEST SNOW IN THE VICINITY OF THE CONTINENTAL DIVIDE. 

COZ062-080000-
/O.CON.KPUB.HS.W.0002.000000T0000Z-071208T0000Z/
CENTRAL CHAFFEE COUNTY BELOW 9000 FT-
INCLUDING...SALIDA...BUENA VISTA
1248 PM MST FRI DEC 7 2007

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. 

THIS HEAVY SNOW WARNING IS IN EFFECT FOR CENTRAL CHAFFEE COUNTY
BELOW 9000 FEET...INCLUDING SALIDA AND BUENA VISTA.

SNOW WILL CONTINUE THROUGH THE AFTERNOON...WITH ADDITIONAL
ACCUMULATIONS OF 2 TO 5 INCHES. LATEST SATELLITE IMAGES INDICATE
THAT THE BEST ATMOSPHERIC LIFT IS SLOWLY MOVING NORTH OF THE REGION.

REDUCED VISIBILITY DUE TO HEAVY SNOWFALL IS EXPECTED.

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA DURING THE TIME OF THE WARNING...LISTEN TO
THE LATEST WEATHER FORECAST AND CONSIDER TRAVELING AT ANOTHER
TIME OR BY ANOTHER ROUTE. IF YOU MUST TRAVEL IN THE WARNING AREA
DURING THE TIME OF THE WARNING...TAKE ALONG A WINTER SURVIVAL
KIT. IF YOU BECOME STRANDED IN A RURAL AREA...STAY WITH YOUR
VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR VEHICLE...RUN
YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE THE EXHAUST PIPE
IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE POISONING.

$$

COZ058>061-066-068-080200-
/O.CON.KPUB.WS.W.0011.000000T0000Z-071209T0100Z/
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-
LA GARITA MOUNTAINS ABOVE 10000 FT-
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
INCLUDING...CLIMAX...MOSQUITO PASS...LEADVILLE...
INDEPENDENCE PASS...MT ELBERT...MT MASSIVE...GRANITE...
NORTH PASS...CUMBRES PASS...WOLF CREEK PASS
1248 PM MST FRI DEC 7 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST SATURDAY.

THE WARNING IS IN EFFECT FOR THE EASTERN SAWATCH MOUNTAINS ABOVE
9000 FEET...LA GARITA MOUNTAINS AND EASTERN SAN JUAN MOUNTAINS
ABOVE 10000 FEET...WESTERN MOSQUITO RANGE ABOVE 11000 FEET...AND
THE LEADVILLE VICINITY. THIS INCLUDES LEADVILLE...CLIMAX...
GRANITE... INDEPENDENCE PASS...MONARCH PASS...NORTH PASS...
CUMBRES PASS...AND WOLF CREEK PASS.

SNOW...HEAVY AT TIMES WILL CONTINUE ACROSS THE HIGHER CONTINENTAL
DIVIDE TERRAIN...GENERALLY ABOVE 9000 FEET...THROUGH TONIGHT.
STORM TOTAL SNOW ACCUMULATIONS OF 1 TO 4 FEET ARE EXPECTED ACROSS
THE WARNED AREA THROUGH SATURDAY. LOCALLY HIGHER SNOW AMOUNTS WILL
ALSO BE POSSIBLE. WEST TO SOUTHWEST WINDS OF 15 TO 25 MPH WITH
GUSTS TO AROUND 40 MPH AT TIMES WILL CREATE BLOWING SNOW AND
REDUCED VISIBILITY DURING THE WARNING. THE SNOWFALL COVERAGE AND
INTENSITY MAY DECREASE LATE TONIGHT INTO SATURDAY ACROSS THE LA
GARITA...SAWATCH...AND MOSQUITO MOUNTAIN RANGES ON SATURDAY...BUT
SCATTERED SNOW SHOWERS WILL STILL BE LIKELY.

STRONG WINDS AND REDUCED VISIBILITY ARE EXPECTED DUE TO HEAVY
SNOWFALL AND BLOWING SNOW.

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA DURING THE TIME OF THE WARNING...LISTEN TO
THE LATEST WEATHER FORECAST AND CONSIDER TRAVELING AT ANOTHER
TIME OR BY ANOTHER ROUTE. IF YOU MUST TRAVEL IN THE WARNING AREA
DURING THE TIME OF THE WARNING...TAKE ALONG A WINTER SURVIVAL
KIT. IF YOU BECOME STRANDED IN A RURAL AREA...STAY WITH YOUR
VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR VEHICLE...RUN
YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE THE EXHAUST PIPE
IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE POISONING.

$$

COZ063-080000-
/O.CON.KPUB.SN.Y.0014.000000T0000Z-071208T0000Z/
WESTERN MOSQUITO RANGE/EAST CHAFFEE COUNTY ABOVE 9000 FT-
1248 PM MST FRI DEC 7 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. 

THIS ADVISORY IS IN EFFECT FOR WESTERN MOSQUITO MOUNTAIN RANGE OF
EAST CHAFFEE COUNTY ABOVE 9000 FEET.

LOOK FOR PERIODS OF SNOW...HEAVY AT TIMES. ADDITIONAL SNOW
ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED.

WINTER WEATHER CONDITIONS ARE EXPECTED TO OCCUR DUE TO SNOWFALL.

IF YOU ARE PLANNING TO TRAVEL IN THE ADVISORY AREA DURING THE
TIME OF THE ADVISORY...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE.

$$
000 
WWUS45 KPUB 072238
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
338 PM MST FRI DEC 7 2007

...MAJOR WINTER STORM SYSTEM CONTINUES THROUGH SATURDAY...

.MOIST SOUTHWEST FLOW WILL CONTINUE ACROSS COLORADO THROUGH AT
LEAST SATURDAY. SNOW...HEAVY AT TIMES...WILL CONTINUE ACROSS THE
CENTRAL AND SOUTHWEST MOUNTAINS OF COLORADO...WITH THE HEAVIEST
SNOW IN THE VICINITY OF THE CONTINENTAL DIVIDE. ON THE
PLAINS...SHALLOW COLD AIR WILL PRODUCE SOME FREEZING
DRIZZLE...ESPECIALLY ON THE SOUTH SLOPES OF THE PALMER DIVIDE. 

COZ062-080000-
/O.CON.KPUB.HS.W.0002.000000T0000Z-071208T0000Z/
CENTRAL CHAFFEE COUNTY BELOW 9000 FT-
INCLUDING...SALIDA...BUENA VISTA
338 PM MST FRI DEC 7 2007

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. 

THIS HEAVY SNOW WARNING IS IN EFFECT FOR CENTRAL CHAFFEE COUNTY
BELOW 9000 FEET...INCLUDING SALIDA AND BUENA VISTA.

SNOW WILL CONTINUE THROUGH THE AFTERNOON...WITH ADDITIONAL
ACCUMULATIONS OF 1 TO 3 INCHES. SATELLITE IMAGERY CONTINUES TO
SHOW THE BEST ATMOSPHERIC LIFT IS MOVING AWAY FROM THE REGION.
SOME SPOTTERS STILL REPORT MODERATE SNOW NEAR NATHROP AND BUENA
VISTA...AND SNOW IN THESE REGIONS SHOULD BECOME LIGHTER BY LATE IN
THE AFTERNOON.

REDUCED VISIBILITY DUE TO HEAVY SNOWFALL IS EXPECTED.

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA DURING THE TIME OF THE WARNING...LISTEN TO
THE LATEST WEATHER FORECAST AND CONSIDER TRAVELING AT ANOTHER
TIME OR BY ANOTHER ROUTE. IF YOU MUST TRAVEL IN THE WARNING AREA
DURING THE TIME OF THE WARNING...TAKE ALONG A WINTER SURVIVAL
KIT. IF YOU BECOME STRANDED IN A RURAL AREA...STAY WITH YOUR
VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR VEHICLE...RUN
YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE THE EXHAUST PIPE
IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE POISONING.

$$

COZ058>061-066-068-080445-
/O.CON.KPUB.WS.W.0011.000000T0000Z-071209T0100Z/
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-
LA GARITA MOUNTAINS ABOVE 10000 FT-
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
INCLUDING...CLIMAX...MOSQUITO PASS...LEADVILLE...
INDEPENDENCE PASS...MT ELBERT...MT MASSIVE...GRANITE...
NORTH PASS...CUMBRES PASS...WOLF CREEK PASS
338 PM MST FRI DEC 7 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST SATURDAY.

THE WARNING IS IN EFFECT FOR THE EASTERN SAWATCH MOUNTAINS ABOVE
9000 FEET...LA GARITA MOUNTAINS AND EASTERN SAN JUAN MOUNTAINS
ABOVE 10000 FEET...WESTERN MOSQUITO RANGE ABOVE 11000 FEET...AND
THE LEADVILLE VICINITY. THIS INCLUDES LEADVILLE...CLIMAX...
GRANITE... INDEPENDENCE PASS...MONARCH PASS...NORTH PASS...
CUMBRES PASS...AND WOLF CREEK PASS.

SNOW...HEAVY AT TIMES WILL CONTINUE ACROSS THE HIGHER CONTINENTAL
DIVIDE TERRAIN...GENERALLY ABOVE 9000 FEET...THROUGH TONIGHT.
STORM TOTAL SNOW ACCUMULATIONS OF 1 TO 4 FEET ARE EXPECTED ACROSS
THE WARNED AREA THROUGH SATURDAY. LOCALLY HIGHER SNOW AMOUNTS
WILL ALSO BE POSSIBLE. WEST TO SOUTHWEST WINDS OF 15 TO 25 MPH
WITH GUSTS TO AROUND 40 MPH AT TIMES WILL CREATE BLOWING SNOW AND
REDUCED VISIBILITY DURING THE WARNING. THE SNOWFALL COVERAGE AND
INTENSITY MAY DECREASE LATE TONIGHT INTO SATURDAY ACROSS THE LA
GARITA...SAWATCH...AND MOSQUITO MOUNTAIN RANGES ON SATURDAY...BUT
SCATTERED SNOW SHOWERS WILL STILL BE LIKELY.

STRONG WINDS AND REDUCED VISIBILITY ARE EXPECTED DUE TO HEAVY
SNOWFALL AND BLOWING SNOW.

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA DURING THE TIME OF THE WARNING...LISTEN TO
THE LATEST WEATHER FORECAST AND CONSIDER TRAVELING AT ANOTHER
TIME OR BY ANOTHER ROUTE. IF YOU MUST TRAVEL IN THE WARNING AREA
DURING THE TIME OF THE WARNING...TAKE ALONG A WINTER SURVIVAL
KIT. IF YOU BECOME STRANDED IN A RURAL AREA...STAY WITH YOUR
VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR VEHICLE...RUN
YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE THE EXHAUST PIPE
IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE POISONING.

$$

COZ081-082-084-085-080445-
/O.NEW.KPUB.WW.Y.0004.071208T0000Z-071208T1600Z/
TELLER COUNTY/RAMPART RANGE ABOVE 7500 FT/PIKES PEAK BETWEEN
7500 AND 11000 FT-PIKES PEAK ABOVE 11000 FT-
NORTHERN EL PASO COUNTY/MONUMENT RIDGE/RAMPART RANGE BELOW
7500 FT-
COLORADO SPRINGS VICINITY/SOUTHERN EL PASO COUNTY/RAMPART RANGE
BELOW 7400 FT-
INCLUDING...WOODLAND PARK...PIKES PEAK...BLACK FOREST...
AIR FORCE ACADEMY...COLORADO SPRINGS
338 PM MST FRI DEC 7 2007

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MST SATURDAY...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM MST SATURDAY. 

THIS WINTER WEATHER ADVISORY IS FOR EL PASO COUNTY AND THE EAST
SLOPES OF PIKES PEAKS AND THE RAMPART RANGE.

SOME FREEZING DRIZZLE HAS BEEN REPORTED OVER EL PASO COUNTY...AND
IT WILL BECOME MORE WIDESPREAD DURING THE EVENING. THE FREEZING
DRIZZLE WILL BECOME HEAVY ENOUGH TO RESULT IN SLICK
ROADWAYS...SIDEWALKS AND OTHER PAVED SURFACES.

IF YOU ARE PLANNING TO TRAVEL IN THE ADVISORY AREA DURING THE
TIME OF THE ADVISORY...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE.


$$

COZ063-080000-
/O.CON.KPUB.SN.Y.0014.000000T0000Z-071208T0000Z/
WESTERN MOSQUITO RANGE/EAST CHAFFEE COUNTY ABOVE 9000 FT-
338 PM MST FRI DEC 7 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. 

THIS ADVISORY IS IN EFFECT FOR WESTERN MOSQUITO MOUNTAIN RANGE OF
EAST CHAFFEE COUNTY ABOVE 9000 FEET.

LOOK FOR PERIODS OF SNOW...HEAVY AT TIMES. ADDITIONAL SNOW
ACCUMULATIONS OF 1 TO 2 INCHES ARE EXPECTED.

WINTER WEATHER CONDITIONS ARE EXPECTED TO OCCUR DUE TO SNOWFALL.

IF YOU ARE PLANNING TO TRAVEL IN THE ADVISORY AREA DURING THE
TIME OF THE ADVISORY...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE.

$$
000 
WWUS45 KPUB 072359
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
459 PM MST FRI DEC 7 2007

...MAJOR WINTER STORM SYSTEM CONTINUES THROUGH SATURDAY...

.MOIST SOUTHWEST FLOW WILL CONTINUE ACROSS COLORADO THROUGH AT
LEAST SATURDAY. SNOW...HEAVY AT TIMES...WILL CONTINUE ACROSS THE
CENTRAL AND SOUTHWEST MOUNTAINS OF COLORADO...WITH THE HEAVIEST
SNOW IN THE VICINITY OF THE CONTINENTAL DIVIDE. ON THE PLAINS...
SHALLOW COLD AIR WILL PRODUCE SOME FREEZING DRIZZLE...ESPECIALLY
ON THE SOUTH SLOPES OF THE PALMER DIVIDE.

COZ062-080100-
/O.EXP.KPUB.HS.W.0002.000000T0000Z-071208T0000Z/
CENTRAL CHAFFEE COUNTY BELOW 9000 FT-
INCLUDING...SALIDA...BUENA VISTA
459 PM MST FRI DEC 7 2007

...HEAVY SNOW WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON...

THE HEAVY SNOW WARNING THAT WAS IN EFFECT FOR CENTRAL CHAFFEE
COUNTY...INCLUDING SALIDA AND BUENA VISTA...WILL EXPIRE AT 5 PM MST
THIS AFTERNOON.

HEAVY SNOW IS NO LONGER EXPECTED. HOWEVER...SNOW SHOWERS WILL
CONTINUE THROUGH THE NIGHT. ADDITIONAL ACCUMULATIONS OF 1 TO
2 INCHES ARE POSSIBLE.

$$

COZ063-080100-
/O.EXP.KPUB.SN.Y.0014.000000T0000Z-071208T0000Z/
WESTERN MOSQUITO RANGE/EAST CHAFFEE COUNTY ABOVE 9000 FT-
459 PM MST FRI DEC 7 2007

...SNOW ADVISORY WILL EXPIRE AT 5 PM MST THIS AFTERNOON...

THE SNOW ADVISORY THAT WAS IN EFFECT FOR THE WESTERN MOSQUITO
RANGE AND EASTERN CHAFFEE COUNTY ABOVE 9000 FEET WILL EXPIRE AT 5
PM MST THIS AFTERNOON.

HEAVY SNOW IS NO LONGER EXPECTED. HOWEVER...SNOW SHOWERS WILL
CONTINUE THROUGH THE NIGHT. ADDITIONAL ACCUMULATIONS OF 1 TO
3 INCHES ARE POSSIBLE.

$$

COZ058>061-066-068-080600-
/O.CON.KPUB.WS.W.0011.000000T0000Z-071209T0100Z/
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-
LA GARITA MOUNTAINS ABOVE 10000 FT-
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
INCLUDING...CLIMAX...MOSQUITO PASS...LEADVILLE...
INDEPENDENCE PASS...MT ELBERT...MT MASSIVE...GRANITE...
NORTH PASS...CUMBRES PASS...WOLF CREEK PASS
459 PM MST FRI DEC 7 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST SATURDAY.

THE WARNING IS IN EFFECT FOR THE EASTERN SAWATCH MOUNTAINS ABOVE
9000 FEET...LA GARITA MOUNTAINS AND EASTERN SAN JUAN MOUNTAINS
ABOVE 10000 FEET...WESTERN MOSQUITO RANGE ABOVE 11000 FEET...AND
THE LEADVILLE VICINITY. THIS INCLUDES LEADVILLE...CLIMAX...
GRANITE... INDEPENDENCE PASS...MONARCH PASS...NORTH PASS...
CUMBRES PASS...AND WOLF CREEK PASS.

SNOW...HEAVY AT TIMES WILL CONTINUE ACROSS THE HIGHER CONTINENTAL
DIVIDE TERRAIN...GENERALLY ABOVE 9000 FEET...THROUGH TONIGHT.
STORM TOTAL SNOW ACCUMULATIONS OF 1 TO 4 FEET ARE EXPECTED ACROSS
THE WARNED AREA THROUGH SATURDAY. LOCALLY HIGHER SNOW AMOUNTS
WILL ALSO BE POSSIBLE. WEST TO SOUTHWEST WINDS OF 15 TO 25 MPH
WITH GUSTS TO AROUND 40 MPH AT TIMES WILL CREATE BLOWING SNOW AND
REDUCED VISIBILITY. THE SNOWFALL COVERAGE AND INTENSITY MAY
DECREASE LATE TONIGHT INTO SATURDAY BUT SCATTERED SNOW SHOWERS
WILL STILL BE LIKELY.

STRONG WINDS AND REDUCED VISIBILITY ARE EXPECTED DUE TO HEAVY
SNOW AND BLOWING SNOW.

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA DURING THE TIME OF THE WARNING...LISTEN TO
THE LATEST WEATHER FORECAST AND CONSIDER TRAVELING AT ANOTHER
TIME OR BY ANOTHER ROUTE. IF YOU MUST TRAVEL IN THE WARNING AREA
DURING THE TIME OF THE WARNING...TAKE ALONG A WINTER SURVIVAL
KIT. IF YOU BECOME STRANDED IN A RURAL AREA...STAY WITH YOUR
VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR VEHICLE...RUN
YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE THE EXHAUST PIPE
IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE POISONING.

$$

COZ081-082-084-085-080600-
/O.CON.KPUB.WW.Y.0004.071208T0000Z-071208T1600Z/
TELLER COUNTY/RAMPART RANGE ABOVE 7500 FT/PIKES PEAK BETWEEN
7500 AND 11000 FT-PIKES PEAK ABOVE 11000 FT-
NORTHERN EL PASO COUNTY/MONUMENT RIDGE/RAMPART RANGE BELOW
7500 FT-
COLORADO SPRINGS VICINITY/SOUTHERN EL PASO COUNTY/RAMPART RANGE
BELOW 7400 FT-
INCLUDING...WOODLAND PARK...PIKES PEAK...BLACK FOREST...
AIR FORCE ACADEMY...COLORADO SPRINGS
459 PM MST FRI DEC 7 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST
SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST
SATURDAY. 

THIS WINTER WEATHER ADVISORY IS FOR EL PASO COUNTY AND THE EAST
SLOPES OF PIKES PEAKS AND THE RAMPART RANGE.

SOME FREEZING DRIZZLE HAS BEEN REPORTED OVER EL PASO COUNTY...AND
IT WILL BECOME MORE WIDESPREAD DURING THE EVENING. THE FREEZING
DRIZZLE WILL BECOME HEAVY ENOUGH TO RESULT IN SLICK ROADWAYS...
SIDEWALKS AND OTHER PAVED SURFACES.

IF YOU ARE PLANNING TO TRAVEL IN THE ADVISORY AREA DURING THE
TIME OF THE ADVISORY...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE.

$$

LW

What forecasters said that day

The local office's own words before this heavy snow warning went out, 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 this heavy snow warning went out at Dec 7, 6:52 AM MST, 5 minutes earlier.

Area forecast discussion, Dec 7, 6:52 AM MST, 5 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE PUEBLO CO
652 AM MST FRI DEC 7 2007

.UPDATE...

QUICK UPDATED FOR SOME CHANGES. WATER VAPOR/IR SATELLITE IMAGERY
ANIMATION SHOWING A HEALTHY /SLUG/ OF MOISTURE AND COOLING TOPS
ACROSS SOUTHERN UT/NORTHERN AZ INTO WESTERN CO. RAPIDLY COOLING
TOPS NOW OVER SOUTHWEST CO. SNOWFALL HAS PICKED UP CONSIDERABLY
ACROSS THE SOUTHWEST AND CENTRAL CO MOUNTAINS BASED ON SPOTTER
REPORTS AND LIVE WEB CAMS. PUB RADAR SHOWING A PERSISTENT 20-25
DBZ BAND OVER THE CENTRAL MOUNTAINS AND SPILLING INTO THE UPPER AR
RIVER VALLEY. ALREADY HAVE REPORTS OF 3-5 INCHES ACROSS THE UPPER
AR RIVER VALLEY FLOOR...AND IT NOW LOOKS LIKE THE SNOW WILL
CONTINUE TO /SPILL/ OFF THE SWAWATCH MOUNTAIN RANGE INTO THE
VALLEY FLOOR BELOW. I HAVE GONE WITH A HEAVY SNOW WARNING FOR ZONE
COZ062(UPPER AR RIVER VALLEY) DUE TO JUST HEAVY SNOW...NOT MUCH
WIND. I HAVE...ALSO...ISSUED A SNOW ADVISORY FOR COZ063 FOR 4-8
INCHES WITH THE SNOW BAND OVER THAT ZONES AND LITTLE OR NO
SIGNIFICANT WIND. OTHERWISE...CURRENT FORECAST LOOKS ON
TARGET...SO FAR. METZE

&&

.PREV DISCUSSION... /ISSUED 442 AM MST FRI DEC 7 2007/

SHORT TERM...

..VERY COMPLEX WEATHER PATTERN UNDERWAY...
..SIGNIFICANT SNOWFALL CONTINUES AROUND CONTINENTAL DIVIDE...
..FREEZING DRIZZLE POSSIBLE PARTS OF SOUTHEAST CO LATE TONIGHT...

CURRENTLY...WATER VAPOR/IR SATELLITE IMAGERY AND RUC MODEL UPPER AIR
ANALYSES HAD THE NEXT /SLUG/ OF MOISTURE MOVING THROUGH THE GREAT
BASIN AND INTO THE CENTRAL ROCKY MOUNTAINS. 00Z/07 OBS SOUNDING DATA
SUGGEST MOISTURE CONTENT IN THIS AREA IS BETWEEN 150 TO 200 PERCENT
ABOVE NORMAL. REGIONAL RADAR DATA HAS SIGNIFICANT ECHO RETURNS...
25-35 DBZ...ACROSS WESTERN CO AND MOVING EASTWARD WITH THE MEAN
UPPER LEVEL FLOW. THIS MOISTURE CONTINUES TO SLAM INTO THE
CONTINENTAL DIVIDE. PUB RADAR SHOWING JUST SOME WEAK...LESS THAN 20
DBZ AND PROBABLY JUST CLOUD RETURNS. WEAK ECHOES HAVE BEEN OVER
TELLER COUNTY AND LIVE WEB CAMS NOT SHOWING MUCH AT WOODLAND
PARK/CRIPPLE CREEK...PERHAPS MAYBE SOME VERY BRIEF LIGHT
SNOW/FLURRIES. LIVE WEB CAMS SHOWING SNOW AT MONARCH AND WOLF CREEK
PASS. AN EYEBALL ESTIMATE INDICATES MAYBE AROUND 8 INCHES ON THE
PICNIC TABLES AT THE MONARCH SKI AREA PER LIVE WEB CAM. THERE HAS
BEEN A 22 DBZ RADAR ECHO /BLOB/ OVER MONARCH INTO SALIDA AND NOT
SURE IF THERE HAS BEEN ANY SNOW ACCUMULATION IN SALIDA...
TEMPERATURES CERTAINLY COLD ENOUGH 31F/31F. THERE HAVE BEEN REPORTS
OF MINOR ACCUMULATIONS AROUND BUENA VISTA. MEANWHILE...SOUTHEAST CO
HAS BEEN RELATIVELY MILD WITH TEMPERATURE IN THE 30S THANKS TO THE
BLANKET OF MIDDLE TO HIGH LEVEL CLOUDS. VERY TOUGH TO DISCERN ANY
SIGNIFICANT FRONTAL BOUNDARY ACROSS EASTERN CO. THERE MIGHT BE A
VERY WEAK STATIONARY FRONT STRETCHING ACROSS THE ROCKY MOUNTAIN
ADJACENT HIGH PLAINS.

TODAY...NEEDLESS TO SAY...THE CONTINENTAL DIVIDE HIGHER TERRAIN WILL
CONTINUE TO GET HAMMERED WITH SNOW...HEAVY AT TIMES. ADDITIONAL SNOW
ACCUMULATIONS WILL BE 6 TO 20 INCHES/12 HOURS ACROSS THE EASTERN SAN
JUAN...LA GARITA...SAWATCH...AND MOSQUITO MOUNTAIN RANGES...MAINLY
ABOVE 9K FT MSL. THE LOWER VALLEYS WILL PROBABLY SEE MINOR
ACCUMULATIONS. MIDDLE AND UPPER LEVEL WINDS WILL BE VEERING TO THE
SOUTHWEST BY THIS AFTERNOON...SO THE OROGRAPHIC QPF/SNOW AMOUNT
BULLSEYES WILL TRANSITION TO THE SOUTHWEST ASPECT MOUNTAIN FEATURES
ACROSS THE CONTINENTAL DIVIDE...ESPECIALLY THE WOLF CREEK-CUMBRES PASS
AREAS. EAST OF THE CONTINENTAL DIVIDE...BIG C51ENGES. GFS QPF/SNOW
AMOUNTS ARE ALREADY OVERDONE EARLY THIS MORNING. THERE MIGHT BE SOME
ACCUMULATING SNOWS ACROSS THE SANGRE DE CRISTO MOUNTAINS HIGHER
TERRAIN THIS MORNING...HOWEVER...GIVEN THE VERTICAL PATTERN I FAVOR
THE 12KM NAM-WRF DRIER SOLUTION OVER THE GFS FOR LATER TODAY. HIGH
TEMPERATURES WILL BE A BIG C51ENGE ACROSS THE SOUTHEAST CO PLAINS.
LIKELY WILL GET A RELATIVELY WARMER START AND NO SIGNIFICANT FRONTAL
BOUNDARY SURGES/LOW LEVEL COLD AIR ADVECTION. WITH ANY FILTERED
SUNSHINE...LIKE YESTERDAY...COULD SEE TEMPERATURES CLIMB A LITTLE
FROM PUEBLO-LA JUNTA-SPRINGFIELD AND SOUTHWARD WHERE HIGHS COULD BE
IN THE 50S...ESPECIALLY IF SOUTHWEST WINDS PICKUP.

TONIGHT...VERY COMPLEX WEATHER PATTERN CONTINUES. MIDDLE AND UPPER
LEVEL FLOW BECOMES MORE SOUTHWESTERLY ALONG WITH SOME MIDLEVEL
DRYING LATE TONIGHT. THIS SHOULD FOCUS THE OROGRAPHIC INFLUENCE
QPF/SNOW AMOUNT BULLSEYE ON THE EASTERN SAN JUAN MOUNTAINS AROUND
THE WOLF CREEK-CUMBRES PASS AREAS. WITH THE UPPER LEVEL DRYING AND
LOSS OF OROGRAPHIC INFLUENCE ASCENT ACROSS THE CENTRAL
MOUNTAINS...THE SNOW MACHINE MAY SHUTDOWN/TURN OFF FOR THE LA
GARITA...SAWATCH...AND MOSQUITO MOUNTAIN RANGES. IT STILL COULD BE
SNOWING...JUST NOT THAT HEAVY. LOOKS LIKE AN ADDITIONAL 1-1.5 FEET
FOR THE EASTERN SAN JUAN MOUNTAINS AND 1-8 INCHES FOR THE LA
GARITA...SAWATCH...AND MOSQUITO MOUNTAIN RANGES HIGHER TERRAIN
TONIGHT. JUST EAST OF THE CONTINENTAL DIVIDE...A MIDDLE TO UPPER
LEVEL /DRY/ SLOT DEVELOPS WITH THE SOUTHWEST FLOW. THIS WILL BE
DEATH TO ANY PRECIPITATION SEEDER-FEEDERS ALOFT FROM REACHING THE
GROUND. THE NEXT C51ENGE WILL BE THE PERSISTENT POTENTIAL OF
ANOTHER S51OW CP AIR MASS/FRONTAL SURGE INTO THE AR RIVER VALLEY
UP THE SOUTHERN PALMER DIVIDE LATER TONIGHT. THE GFS IS MORE AGGRESSIVE
AND DEEPER THAN THE 12KM NAM-WRF. BOTH HINT OF THIS POSSIBILITY
AFTER 06Z/08 TONIGHT. THERE IS THE POTENTIAL FOR LIFR/IFR STRATUS TO
MOVE UP THE LOWER AR RIVER VALLEY TOWARDS THE SOUTHERN PALMER
DIVIDE/COLORADO SPRINGS. IF THERE WAS ANY PRECIPITATION IT WOULD BE
EXTREMELY LIGHT. GIVEN THE LOW LEVEL MOIST CP AIR MASS WITH
TEMPERATURES AROUND 30F JUXTAPOSED WITH MUCH DRIER AIR ALOFT PER
MODEL SOUNDINGS...THE THERMAL STRUCTURE WOULD SUPPORT MAINLY
DRIZZLE/FREEZING DRIZZLE/LIGHT SNOW-FLURRIES/FOG. THIS WOULD BE FOR
LA JUNTA-LAMAR-HOLLY AND NORTHWARD AFTER MIDNIGHT TONIGHT. VERY
TOUGH CALL FOR PUEBLO AND COLORADO SPRINGS. THE GFS SUPPORTS
FREEZING DRIZZLE/FOG TOWARD SUNRISE SATURDAY. ALSO...A FREEZING
DRIZZLE/LIGHT SNOW-FLURRIES/FOG EVENT FOR COLORADO SPRINGS...
ESPECIALLY WITH A RELATIVELY LIGHT SOUTH-SOUTHEAST SURFACE WIND. THE
WINDS JUST OFF THE SURFACE WILL BE A LITTLE GREATER IN SPEED AND OUT
OF THE SOUTHWEST...WHICH COULD KEEP THINGS MIXED. WILL GO AHEAD AND
BRING THIS WEATHER INTO COLORADO SPRINGS TOWARDS SATURDAY MORNING. 17

LONG TERM...

..COLD AND SNOWY WEATHER TO CONTINUE...

SNOW WILL BECOME MORE CONVECTIVE IN NATURE ON SAT...AS CORE OF
UPPER LOW BEGINS TO SWING OVR WRN CO. H5 TEMPS COOL TO AROUND
-25 DEG BY SAT AFTERNOON. WITH UPPER FLOW SHIFTING MORE TO THE
SW...SHOULD SEE THE HEAVIER SHWRS OVR THE SAN JUANS AND LA
GARITAS...WHERE THE WSW CONTINUES TO LOOK GOOD THRU SAT AFTERNOON.
THINGS MAY WIND DOWN OVR THE NRN RANGES...BUT COULD STILL SEE SOME
LOCAL ACCUMS THRU THE DAY.

TEMP CONTINUE TO BE QUITE TRICKY SAT OVR THE PLAINS...AS THERE IS A
GOOD 6+ HOUR TIMING DISCREPANCY BETWN THE NAM AND GFS FOR THE
ARRIVAL OF THE ARCTIC AIR OVER NERN CO. COULD BE RELATIVELY WARM
FOR THE I-25 CORRIDOR IF THE FRONT HOLDS OFF TIL LATE
AFTERNOON OR EVE...ESPECIALLY WITH THE MODERATE WRLY FLOW AT H7.
HAVE STAYED THE COURSE AND GONE WITH THE COLDEST AIR TO THE
N...AND RELATIVELY MILD OVR THE SRN ZONES. AS MENTIONED IN SHORT
TERM DISC...FZG PRECIP REMAINS A POSSIBILITY THRU THE MORNING
HRS...PARTICULARLY OVR THE FAR ERN PLAINS AS A S51OW COLD LAYER
PERSISTS WITH WAA ABOVE. LAYER IS TOO S51OW FOR SNOW SAT MORN
OVR THE ERN PLAINS...SO WILL MAINTAIN MENTION OF FZG DZ THRU THE
MORNING HOURS.

SNOW EVENT FOR THE ERN PLAINS LOOKING A LITTLE MORE LIKELY WITH
LATEST MODEL GUIDANCE...AS BULK OF THE REAL COLD AIR ARRIVES LATE
ST-EARLY SUN. TIMING REMAINS SOMEWHAT UNCERTAIN...BUT SUSPECT THE
FASTER GFS SOLUTION MAY BE A BETTER BET WITH SUPPORT FROM THE ENSEMBLES.
SO...BEST BET FOR LIGHT SNOW OVR THE PLAINS WILL COME SAT EVE THRU
EARLY SUN MORN...WHEN SOME BANDING SNOW SHOWERS WILL MOVE OVER THE
REGION TO ACCOMPANY THE MUCH COLDER AIR. WITH H7 TEMPS IN THE
PRIME DENDRITIC GROWTH ZONE...COULD SEE SEVERAL INCHES OF LIGHT
SNOW ACCUMULATE BY MID DAY SUN. MAY APPROACH WARNING CRITERIA FOR
THE SANGRES AND WETS...POSSIBLY RAMPART RANGE. WITH THE FRESH
SNOW...TEMPS WILL BE UNLIKELY TO CRAWL OUT OF THE 20S AT BEST ON SUN.

UNSETTLED WEATHER CONTINUES MON AND TUE...WITH THE LATEST GLOBAL
RUNS SUGGESTING ANOTHER SNOW EVENT POSSIBLE FOR SERN CO. LOOKS
LIKE THE SLOW START TO WINTER IS OFFICIALLY OVER. 44

AVIATION...

VFR CONDITIONS WILL CONTINUE FOR ALS...COS...AND PUB TAFS TODAY.
THERE IS THE POTENTIAL FOR VFR VIS SHOWERS IN THE VICINITY OF
ALS...COS...AND PUB THIS MORNING. FOR TONIGHT...COS-LHX-LAA AND
NORTHWARD WILL HAVE A CHANCE FOR LIFR/IFR DRIZZLE/FREEZING
DRIZZLE/LIGHT SNOW-FLURRIES/FOG AFTER 06Z/08. 17

&&

.PUB WATCHES/WARNINGS/ADVISORIES...

WINTER STORM WARNING UNTIL 6 PM MST SATURDAY FOR COZ058>061-066-
068.

HEAVY SNOW WARNING UNTIL 5 PM MST THIS AFTERNOON FOR COZ062.

SNOW ADVISORY UNTIL 5 PM MST THIS AFTERNOON FOR COZ063.

&&

17/17
Hazardous weather outlook, Dec 7, 6:34 AM MST, 23 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PUEBLO CO
634 AM MST FRI DEC 7 2007

COZ058>089-093>099-081345-
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-
634 AM MST FRI DEC 7 2007

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

.DAY ONE...TODAY AND TONIGHT

PERIODS OF SNOW...HEAVY AT TIMES...WILL CONTINUE ACROSS THE HIGHER
TERRAIN OF THE EASTERN SAN JUAN...LA GARITA...SAWATCH...AND MOSQUITO
MOUNTAIN RANGES. THE HEAVIEST SNOW WILL BE ABOVE 9000 FEET. BRISK TO
WINDY CONDITIONS WILL CREATE BLOWING AND DRIFTING SNOW. SNOWFALL
RATES OF 1 TO 2 INCHES PER HOUR WILL BE LIKELY. SNOW ACCUMULATIONS
OF 1 TO 3 FEET ARE EXPECTED ABOVE 9000 FEET ACROSS THE SOUTHWEST AND
CENTRAL MOUNTAINS TODAY AND TONIGHT. SNOW ACCUMULATIONS UP TO 6
INCHES WILL BE POSSIBLE ACROSS THE LOWER ELEVATIONS OF THE RIO
GRANDE AND UPPER ARKANSAS RIVER VALLEYS TODAY AND TONIGHT. SNOW
ACCUMULATIONS OF 1 TO 3 INCHES WILL BE POSSIBLE ACROSS TELLER COUNTY
AND THE SANGRE DE CRISTO MOUNTAINS THIS MORNING.

A MIXTURE OF LIGHT FREEZING DRIZZLE...FREEZING FOG...AND FLURRIES
WILL BE POSSIBLE FROM COLORADO SPRINGS TO LA JUNTA TO LAMAR AND
NORTHWARD LATE TONIGHT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

MODERATE TO HEAVY SNOW SHOWERS WILL CONTINUE OVER THE CONTINENTAL
DIVIDE ON SATURDAY...AS A MAJOR WINTER STORM MOVES THROUGH THE
ROCKIES. UP TO A FOOT OF ADDITIONAL SNOW ACCUMULATION WILL BE
POSSIBLE IN THE HIGH PASSES. OVER THE EASTERN PLAINS...SPOTTY
LIGHT FREEZING DRIZZLE OR SNOW SHOWERS WILL BE POSSIBLE EARLY IN
THE MORNING. BY SATURDAY EVENING...A COLD FRONT WILL MOVE THROUGH
EASTERN COLORADO AND BRING THE CHANCE FOR PERIODS OF LIGHT TO
MODERATE SNOW OVER THE EASTERN MOUNTAINS AND PLAINS. SEVERAL
INCHES OF SNOW ARE POSSIBLE OVER THE PLAINS...WITH GREATER
ACCUMULATIONS IN THE MOUNTAINS.

ANOTHER STORM MAY AFFECT THE REGION ON MONDAY INTO EARLY TUESDAY.
THIS STORM SYSTEM WILL LIKELY BRING MORE SIGNIFICANT ACCUMULATIONS
TO THE MOUNTAINS...AND POSSIBLY SOME LIGHT ACCUMULATIONS OVER THE PLAINS.

.SPOTTER INFORMATION STATEMENT...

WEATHER CONDITIONS THAT MEET REPORTING CRITERIA FOR SPOTTERS WILL BE
LIKELY ACROSS ALL MOUNTAINS AND HIGH VALLEYS TODAY AND TONIGHT.
ALSO...WEATHER CONDITIONS THAT MEET REPORTING CRITERIA FOR SPOTTERS
WILL BE LIKELY FOR EL PASO...OTERO...CROWLEY...BENT...PROWERS... AND
KIOWA COUNTIES LATE TONIGHT.

In the hours before

Local storm report, Dec 7, 4:00 AM MST, 2 hours 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PUEBLO CO
400 AM MST FRI DEC 07 2007

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

0300 AM     SNOW             1 N BUENA VISTA         38.83N 106.14W
12/07/2007  M5.0 INCH        CHAFFEE            CO   TRAINED SPOTTER

            4 INCHES SINCE 9 PM. .22 INCHES LIQUID. STILL SNOWING.

&&

ROSE
Local storm report, Dec 7, 5:50 AM MST, 1 hour 7 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE PUEBLO CO
550 AM MST FRI DEC 07 2007

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

0300 AM     SNOW             1 N BUENA VISTA         38.83N 106.14W
12/07/2007  M5.0 INCH        CHAFFEE            CO   TRAINED SPOTTER

            4 INCHES SINCE 9 PM. .22 INCHES LIQUID. STILL SNOWING.

0545 AM     SNOW             WOLF CREEK PASS         37.48N 106.80W
12/07/2007  M8.0 INCH        MINERAL            CO   PUBLIC

            8.0 INCHES IN LAST 12 HOURS. 1.5 WATER EQUIVALENT. STILL
            SNOWING.

&&

JCERU
Local storm report, Dec 7, 6:13 AM MST, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PUEBLO CO
613 AM MST FRI DEC 07 2007

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

0613 AM     SNOW             11 S GUFFEY             38.59N 105.53W
12/07/2007  M3.0 INCH        FREMONT            CO   TRAINED SPOTTER

            3 INCHES AND STIL SNOWING.

&&

JCERU
Local storm report, Dec 7, 6:19 AM MST, 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PUEBLO CO
619 AM MST FRI DEC 07 2007

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

0617 AM     SNOW             N MAYSVILLE             38.54N 106.22W
12/07/2007  M9.5 INCH        CHAFFEE            CO   TRAINED SPOTTER

            9.5 INCHES OF NEW SNOW. STILL SNOWING.

0619 AM     SNOW             CLIMAX                  39.37N 106.18W
12/07/2007  M9.0 INCH        LAKE               CO   CO-OP OBSERVER

            9 INCHES OF NEW SNOW. 0.57 WATER EQUIVALENT. STILL
            SNOWING.

&&

JCERU
Local storm report, Dec 7, 6:34 AM MST, 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PUEBLO CO
634 AM MST FRI DEC 07 2007

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

0632 AM     SNOW             1 N BUENA VISTA         38.83N 106.14W
12/07/2007  M3.0 INCH        CHAFFEE            CO   TRAINED SPOTTER

            3.0 INCHES IN THE LAST 3 HOURS. 0.17 WATER EQUIVALENT.
            STILL SNOWING.

&&

JCERU

The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 7, 6:57 AM MSTSnow AdvisoryPUBChaffee10 hr
Dec 7, 3:38 PM MSTWinter Weather AdvisoryPUBBaca, Bent, Crowley, Custer, El Paso, Fremont and 7 more36 hr

Nearby

Heavy Snow Warnings in Colorado, 2007Every heavy snow warning in 2007

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.