Alert archive / Colorado / Winter Storm Warnings in 2011

Winter Storm Warning 6, NWS Pueblo, CO

February 17, 20116 counties in Colorado

NWS Pueblo, CO issued this winter storm warning at Feb 17, 2011, 4:35 AM MST for 6 counties in Colorado. It was in force for 11 hr. 1 report 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
Feb 17, 2011, 4:35 AM MST (11:35 UTC)
Expired
Feb 17, 2011, 3:41 PM MST
In force
11 hr
Issued by
NWS Pueblo, CO

Counties Chaffee County, CO, Conejos County, CO, Lake County, CO, Mineral County, CO, Rio Grande County, CO, Saguache County, CO

The radar

The Grand Junction radar (KGJX), 193 km from the middle of the area, began a volume at 11:40 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
Feb 17, 7:39 AM MSTSNOW 31 Sse Wolf Creek Pass, CO

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 00:00Z, 11.6 hours before the alert went out and 218 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 00:00Z on 2011-02-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Grand Junction, CO at 00:00Z on 2011-02-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 308 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
2944 m above ground
0-6 km bulk shear
96 kt
0-1 km storm-relative helicity
308 m²/s²
0-3 km storm-relative helicity
303 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.

498 
WWUS45 KPUB 171135
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
435 AM MST THU FEB 17 2011

COZ060-068-171745-
/O.CAN.KPUB.BZ.W.0001.000000T0000Z-110218T0400Z/
/O.NEW.KPUB.WS.W.0006.110217T1135Z-110218T0400Z/
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
INCLUDING...INDEPENDENCE PASS...MT ELBERT...MT MASSIVE...
CUMBRES PASS...WOLF CREEK PASS
435 AM MST THU FEB 17 2011

...WINTER STORM WARNING IN EFFECT UNTIL 9 PM MST THIS EVENING...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A WINTER STORM
WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 9 PM MST
THIS EVENING. THE BLIZZARD WARNING HAS BEEN CANCELLED.

* LOCATION...THE EASTERN SAN JUAN MOUNTAINS ABOVE 10000
  FEET...AND THE EASTERN SAWATCH MOUNTAINS ABOVE 11000 FEET.

* CAUSE AND TIMING...A STRONG JET STREAM WILL BRING A PERIOD OF
  WIND DRIVEN SNOW TO THE MOUNTAINS THROUGH EARLY THIS EVENING.
  VISIBILITIES WILL DROP TO AROUND A HALF MILE AT TIMES IN BLOWING
  SNOW.

* SNOW ACCUMULATION...OVER THE SAN JUANS...5 TO 10 INCHES OF SNOW
  IS EXPECTED BY LATE THURSDAY. OVER THE EASTERN SAWATCH RANGE...4
  TO 8 INCHES IS EXPECTED...WITH LOCALLY HIGHER AMOUNTS ALONG THE
  WEST FACING SLOPES.

* WIND...SOUTHWEST FROM 20 TO 40 MPH WITH GUSTS TO AROUND 65 MPH
  AT TIMES.

* IMPACT...STRONG WINDS WILL RESULT IN AREAS OF BLOWING AND
  DRIFTING SNOW OVER THE MOUNTAIN PASSES...REDUCED VISIBILITIES
  AND NEAR WHITE OUT CONDITIONS AT TIMES. ROADS WILL BE SNOW COVERED
  AND TRAVEL CONDITIONS WILL BE HAZARDOUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

COZ066-171745-
/O.CAN.KPUB.BZ.W.0001.000000T0000Z-110218T0400Z/
/O.EXA.KPUB.WW.Y.0009.000000T0000Z-110218T0400Z/
LA GARITA MOUNTAINS ABOVE 10000 FT-
INCLUDING...NORTH PASS
435 AM MST THU FEB 17 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 PM MST THIS
EVENING...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL
9 PM MST THIS EVENING. THE BLIZZARD WARNING HAS BEEN CANCELLED.

* LOCATION...THE LA GARITAS ABOVE 10000 FEET.

* CAUSE AND TIMING...A STRONG JET STREAM WILL BRING A PERIOD OF
  WIND DRIVEN SNOW TO THE MOUNTAINS THROUGH EARLY THIS EVENING.

* SNOW ACCUMULATION...3 TO 7 INCHES OF SNOW WILL FALL BY THIS
  EVENING.

* WIND...SOUTHWEST WINDS 20 TO 40 MPH WITH OCCASIONAL GUSTS UP TO
  AROUND 50 MPH AT TIMES CAN BE EXPECTED. STRONGER WIND GUSTS UP
  TO 65 MPH WILL BE POSSIBLE ACROSS THE HIGHER PEAKS.

* IMPACT...STRONG WINDS WILL RESULT IN AREAS OF BLOWING AND
  DRIFTING SNOW...AND REDUCED VISIBILITIES TO AROUND A HALF A
  MILE AT TIMES ACROSS THE MOUNTAIN PASSES. TRAVEL CONDITIONS WILL
  BE HAZARDOUS THROUGH THE DAY.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.


&&

$$

COZ058-171745-
/O.CON.KPUB.WW.Y.0009.000000T0000Z-110218T0400Z/
WESTERN MOSQUITO RANGE/EAST LAKE COUNTY ABOVE 11000 FT-
INCLUDING...CLIMAX
435 AM MST THU FEB 17 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING. 

* LOCATION...THE WESTERN MOSQUITO RANGE AND EASTERN LAKE COUNTY 
  ABOVE 11000 FEET. 

* CAUSE AND TIMING...A STRONG JET STREAM WILL BRING A PERIOD OF
  WIND DRIVEN SNOW TO THE MOUNTAINS THROUGH EARLY THIS EVENING.

* SNOW ACCUMULATION...TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7 INCHES
  WILL FALL BY THIS EVENING.

* WIND...SOUTHWEST WINDS 20 TO 40 MPH WITH OCCASIONAL GUSTS UP 
  TO AROUND 50 MPH AT TIMES CAN BE EXPECTED. STRONGER WIND GUSTS 
  UP TO 60 MPH WILL BE POSSIBLE ACROSS THE HIGHER PEAKS. 

* IMPACT...STRONG WINDS WILL RESULT IN AREAS OF BLOWING AND
  DRIFTING SNOW...AND REDUCED VISIBILITIES TO AROUND A HALF A MILE
  AT TIMES ACROSS THE MOUNTAIN PASSES. TRAVEL CONDITIONS WILL BE HAZARDOUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
2 follow-up statements
839 
WWUS45 KPUB 171647
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
947 AM MST THU FEB 17 2011

COZ060-068-172300-
/O.CON.KPUB.WS.W.0006.000000T0000Z-110218T0400Z/
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
INCLUDING...INDEPENDENCE PASS...MT ELBERT...MT MASSIVE...
CUMBRES PASS...WOLF CREEK PASS
947 AM MST THU FEB 17 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING. 

* LOCATION...THE EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FEET... 
  AND THE EASTERN SAWATCH MOUNTAINS ABOVE 11000 FEET. 

* CAUSE AND TIMING...A STRONG JET STREAM WILL BRING A PERIOD OF 
  WIND DRIVEN SNOW TO THE MOUNTAINS THROUGH EARLY THIS EVENING. 
  VISIBILITIES WILL DROP TO AROUND A HALF MILE AT TIMES IN 
  BLOWING SNOW. 

* SNOW ACCUMULATION...OVER THE SAN JUANS...5 TO 10 INCHES OF 
  SNOW IS EXPECTED BY LATE THURSDAY. OVER THE EASTERN SAWATCH 
  RANGE... 4 TO 8 INCHES IS EXPECTED...WITH LOCALLY HIGHER 
  AMOUNTS ALONG THE WEST FACING SLOPES. 

* WIND...SOUTHWEST FROM 20 TO 40 MPH WITH GUSTS TO AROUND 65 MPH 
  AT TIMES. 

* IMPACT...STRONG WINDS WILL RESULT IN AREAS OF BLOWING AND 
  DRIFTING SNOW OVER THE MOUNTAIN PASSES...REDUCED VISIBILITIES 
  AND NEAR WHITE OUT CONDITIONS AT TIMES. ROADS WILL BE SNOW 
  COVERED AND TRAVEL CONDITIONS WILL BE HAZARDOUS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

COZ058-066-172300-
/O.CON.KPUB.WW.Y.0009.000000T0000Z-110218T0400Z/
WESTERN MOSQUITO RANGE/EAST LAKE COUNTY ABOVE 11000 FT-
LA GARITA MOUNTAINS ABOVE 10000 FT-
INCLUDING...CLIMAX...NORTH PASS
947 AM MST THU FEB 17 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING. 

* LOCATION...THE WESTERN MOSQUITO RANGE AND EASTERN LAKE COUNTY 
  ABOVE 11000 FEET. 

* CAUSE AND TIMING...A STRONG JET STREAM WILL BRING A PERIOD OF 
  WIND DRIVEN SNOW TO THE MOUNTAINS THROUGH EARLY THIS EVENING. 

* SNOW ACCUMULATION...TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7 
  INCHES WILL FALL BY THIS EVENING. 

* WIND...SOUTHWEST WINDS 20 TO 40 MPH WITH OCCASIONAL GUSTS UP 
  TO AROUND 50 MPH AT TIMES CAN BE EXPECTED. STRONGER WIND GUSTS 
  UP TO 60 MPH WILL BE POSSIBLE ACROSS THE HIGHER PEAKS. 

* IMPACT...STRONG WINDS WILL RESULT IN AREAS OF BLOWING AND 
  DRIFTING SNOW...AND REDUCED VISIBILITIES TO AROUND A HALF A 
  MILE AT TIMES ACROSS THE MOUNTAIN PASSES. TRAVEL CONDITIONS 
  WILL BE HAZARDOUS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
250 
WWUS45 KPUB 172241
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
341 PM MST THU FEB 17 2011

COZ060-068-180445-
/O.CAN.KPUB.WS.W.0006.000000T0000Z-110218T0400Z/
/O.NEW.KPUB.WS.A.0003.110219T1300Z-110221T0000Z/
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
INCLUDING...INDEPENDENCE PASS...MT ELBERT...MT MASSIVE...
CUMBRES PASS...WOLF CREEK PASS
341 PM MST THU FEB 17 2011

...WINTER STORM WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SUNDAY AFTERNOON...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A WINTER STORM
WATCH...WHICH IS IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY
AFTERNOON. THE WINTER STORM WARNING HAS BEEN CANCELLED. 

* LOCATION...THE EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FEET...AND
  THE EASTERN SAWATCH MOUNTAINS ABOVE 11000 FEET.

* CAUSE AND TIMING...INCREASING MOISTURE AHEAD OF STRONG UPPER
  LEVEL WEATHER SYSTEM MOVING ACROSS THE ROCKIES SATURDAY AND
  SUNDAY...IS EXPECTED TO BRING PERIODS OF MODERATE TO HEAVY
  SNOWFALL TO THE AREA THROUGH THE WEEKEND. 

* SNOW ACCUMULATION...ONE TO TWO FEET OF SNOW WILL BE POSSIBLE
  WITH THIS SYSTEM SATURDAY THROUGH SUNDAY NIGHT...WITH THE HIGHEST
  AMOUNTS EXPECTED ALONG THE WEST FACING SLOPES OF THE EASTERN SAN
  JUAN MOUNTAINS.

* IMPACT...HAZARDOUS TRAVEL OVER THE MOUNTAIN PASSES MAY BE
  POSSIBLE THIS WEEKEND DUE TO SNOW AND BLOWING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH IS ISSUED WHEN THERE IS THE POTENTIAL FOR
SEVERE WINTER WEATHER CONDITIONS TO DEVELOP.

WINTER STORMS MAY HAVE STRONG WINDS AND REDUCED VISIBILITY DUE TO
HEAVY SNOWFALL AND BLOWING SNOW. SNOW ACCUMULATIONS OF OVER
6 INCHES ACROSS THE PLAINS AND HIGH VALLEYS OR OVER 8 INCHES IN
THE MOUNTAINS MAY OCCUR. IF YOU ARE PLANNING TO TRAVEL IN THE
WATCH AREA DURING THE TIME OF THE WATCH...LISTEN TO THE LATEST
WEATHER FORECAST AND CONSIDER TRAVELING AT ANOTHER TIME OR BY
ANOTHER ROUTE. IF YOU MUST TRAVEL IN OR THROUGH THE WATCH AREA
DURING THE TIME OF THE WATCH...TAKE ALONG A WINTER SURVIVAL KIT.

&&

$$

COZ058-066-180445-
/O.CAN.KPUB.WW.Y.0009.000000T0000Z-110218T0400Z/
/O.NEW.KPUB.WS.A.0003.110219T1300Z-110221T0000Z/
WESTERN MOSQUITO RANGE/EAST LAKE COUNTY ABOVE 11000 FT-
LA GARITA MOUNTAINS ABOVE 10000 FT-
INCLUDING...CLIMAX...NORTH PASS
341 PM MST THU FEB 17 2011

...WINTER STORM WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SUNDAY AFTERNOON...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A WINTER STORM
WATCH...WHICH IS IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY
AFTERNOON. THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. 


* LOCATION...THE WESTERN MOSQUITO RANGE AND EASTERN LAKE COUNTY
  ABOVE 11000 FEET AND THE LA GARITA MOUNTAINS ABOVE 10000 FEET. 

* CAUSE AND TIMING...INCREASING MOISTURE AHEAD OF STRONG UPPER
  LEVEL WEATHER SYSTEM MOVING ACROSS THE ROCKIES SATURDAY AND
  SUNDAY...IS EXPECTED TO BRING PERIODS OF MODERATE TO HEAVY
  SNOWFALL TO THE AREA THROUGH THE WEEKEND. 

* SNOW ACCUMULATION...SNOWFALL OF 8 TO 18 INCHES WILL BE POSSIBLE
  WITH THIS SYSTEM SATURDAY THROUGH SUNDAY.


* IMPACT...HAZARDOUS TRAVEL...ESPECIALLY OVER THE MOUNTAIN PASSES MAY
  BE POSSIBLE THIS WEEKEND DUE TO SNOW AND BLOWING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH IS ISSUED WHEN THERE IS THE POTENTIAL FOR
SEVERE WINTER WEATHER CONDITIONS TO DEVELOP.

WINTER STORMS MAY HAVE STRONG WINDS AND REDUCED VISIBILITY DUE TO
HEAVY SNOWFALL AND BLOWING SNOW. SNOW ACCUMULATIONS OF OVER
6 INCHES ACROSS THE PLAINS AND HIGH VALLEYS OR OVER 8 INCHES IN
THE MOUNTAINS MAY OCCUR. IF YOU ARE PLANNING TO TRAVEL IN THE
WATCH AREA DURING THE TIME OF THE WATCH...LISTEN TO THE LATEST
WEATHER FORECAST AND CONSIDER TRAVELING AT ANOTHER TIME OR BY
ANOTHER ROUTE. IF YOU MUST TRAVEL IN OR THROUGH THE WATCH AREA
DURING THE TIME OF THE WATCH...TAKE ALONG A WINTER SURVIVAL KIT.

&&

$$

COZ059-061-064-065-067-180445-
/O.NEW.KPUB.WS.A.0003.110219T1300Z-110221T0000Z/
LEADVILLE VICINITY/LAKE COUNTY BELOW 11000 FT-
WESTERN CHAFFEE COUNTY BETWEEN 9000 AND 11000 FT-
SAGUACHE COUNTY WEST OF CONTINENTAL DIVIDE BELOW 10000 FT-
SAGUACHE COUNTY EAST OF CONTINENTAL DIVIDE BELOW 10000 FT-
UPPER RIO GRANDE VALLEY/EASTERN SAN JUAN MOUNTAINS BELOW 10000 FT-
INCLUDING...LEADVILLE...SARGENTS...BONANZA...SOUTH FORK...CREEDE
341 PM MST THU FEB 17 2011

...WINTER STORM WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SUNDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A WINTER STORM
WATCH...WHICH IS IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY
AFTERNOON. 

* LOCATION...THE UPPER RIO GRANDE VALLEY AND THE EASTERN SAN JUAN
  MOUNTAINS BELOW 10000 FEET...SAGUACHE AND LAKE COUNTIES...AND
  WESTERN CHAFFEE COUNTY BETWEEN 9000 AND 11000 FEET.

* CAUSE AND TIMING...INCREASING MOISTURE AHEAD OF STRONG UPPER
  LEVEL WEATHER SYSTEM MOVING ACROSS THE ROCKIES SATURDAY AND
  SUNDAY...IS EXPECTED TO BRING PERIODS OF MODERATE TO HEAVY
  SNOWFALL TO THE AREA THROUGH THE WEEKEND. 

* SNOW ACCUMULATION...SNOWFALL OF 8 TO 18 INCHES WILL BE POSSIBLE
  WITH THIS SYSTEM SATURDAY THROUGH SUNDAY.

* IMPACT...HAZARDOUS TRAVEL...ESPECIALLY OVER THE MOUNTAIN PASSES
  MAY BE POSSIBLE THIS WEEKEND DUE TO SNOW AND BLOWING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH IS ISSUED WHEN THERE IS THE POTENTIAL FOR
SEVERE WINTER WEATHER CONDITIONS TO DEVELOP.

WINTER STORMS MAY HAVE STRONG WINDS AND REDUCED VISIBILITY DUE TO
HEAVY SNOWFALL AND BLOWING SNOW. SNOW ACCUMULATIONS OF OVER
6 INCHES ACROSS THE PLAINS AND HIGH VALLEYS OR OVER 8 INCHES IN
THE MOUNTAINS MAY OCCUR. IF YOU ARE PLANNING TO TRAVEL IN THE
WATCH AREA DURING THE TIME OF THE WATCH...LISTEN TO THE LATEST
WEATHER FORECAST AND CONSIDER TRAVELING AT ANOTHER TIME OR BY
ANOTHER ROUTE. IF YOU MUST TRAVEL IN OR THROUGH THE WATCH AREA
DURING THE TIME OF THE WATCH...TAKE ALONG A WINTER SURVIVAL KIT.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 16, 11:11 PM MSTHigh Wind WarningPUBAlamosa, Chaffee, Costilla, Custer, Fremont, Huerfano and 3 more14 hr
Feb 17, 3:41 PM MSTWinter Storm WatchPUBChaffee, Conejos, Lake, Mineral, Rio Grande, Saguache24 hr

Nearby

Winter Storm Warnings in Colorado, 2011Every winter storm warning in 2011

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.