Alert archive / Colorado / Winter Weather Advisories in 2012

Winter Weather Advisory 9, NWS Pueblo, CO

February 11, 20125 counties in Colorado

NWS Pueblo, CO issued this winter weather advisory at Feb 11, 2012, 3:22 PM MST for 5 counties in Colorado. It took effect at Feb 12, 2012, 5:00 AM MST. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued
Feb 11, 2012, 3:22 PM MST (22:22 UTC)
In effect from
Feb 12, 2012, 5:00 AM MST
Expired
Feb 13, 2012, 11:00 AM MST
In force
30 hr
Issued by
NWS Pueblo, CO

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

The radar

The Grand Junction radar (KGJX), 179 km from the middle of the area, began a volume at 22:22 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.

The nearest sounding before it

Grand Junction, CO (KGJT), launched 12:00Z, 10.4 hours before the alert went out and 205 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 2012-02-11Temperature 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°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 2012-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 square meters per square second.1939587897Sfc1 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
1196 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
173 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.

994 
WWUS45 KPUB 112222
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
322 PM MST SAT FEB 11 2012

COZ068-120430-
/O.EXT.KPUB.WS.W.0003.120212T0700Z-120213T1800Z/
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
INCLUDING...CUMBRES PASS...WOLF CREEK PASS
322 PM MST SAT FEB 11 2012

...WINTER STORM WARNING NOW IN EFFECT FROM MIDNIGHT TONIGHT TO
11 AM MST MONDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT FROM MIDNIGHT TONIGHT
TO 11 AM MST MONDAY. 

* LOCATION...EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FEET.

* CAUSE AND TIMING...A PACIFIC STORM SYSTEM WILL MOVE INTO THE 
  GREAT BASIN TONIGHT...THEN MOVE ACROSS COLORADO ON SUNDAY... 
  BRINGING SNOW TO THE AREA. 

* SNOW ACCUMULATION...10 TO 20 INCHES POSSIBLE.

* WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 35 MPH.

* IMPACT...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO ICY 
  AND SNOW PACKED ROADS AND POOR VISIBILITY AT TIMES. 

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...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>060-066-120430-
/O.NEW.KPUB.WW.Y.0009.120212T1200Z-120213T1800Z/
WESTERN MOSQUITO RANGE/EAST LAKE COUNTY ABOVE 11000 FT-
LEADVILLE VICINITY/LAKE COUNTY BELOW 11000 FT-
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
LA GARITA MOUNTAINS ABOVE 10000 FT-
INCLUDING...CLIMAX...LEADVILLE...INDEPENDENCE PASS...MT ELBERT...
MT MASSIVE...NORTH PASS
322 PM MST SAT FEB 11 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM SUNDAY TO 11 AM
MST MONDAY...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 5 AM SUNDAY TO 11
AM MST MONDAY.


* LOCATION...LA GARITA MOUNTAINS...LAKE COUNTY...AND THE MOUNTAINS
  OF CHAFFEE COUNTY.

* CAUSE AND TIMING...A STORM SYSTEM WILL APPROACH COLORADO ON
  SUNDAY...AND MOVE EAST OF THE STATE BY MIDDAY MONDAY.

* SNOW ACCUMULATION...5 TO 10 INCHES.  

* WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 35 MPH...BECOMING
  NORTHWEST AT 10 TO 25 MPH AFTER MIDNIGHT SUNDAY NIGHT. 

* IMPACT...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO ICY AND
  SNOW PACKED ROADS AND POOR VISIBILITY AT TIMES.


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.


&&

$$
8 follow-up statements
612 
WWUS45 KPUB 120011
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
511 PM MST SAT FEB 11 2012

COZ068-120615-
/O.CON.KPUB.WS.W.0003.120212T0700Z-120213T1800Z/
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
INCLUDING...CUMBRES PASS...WOLF CREEK PASS
511 PM MST SAT FEB 11 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 11 AM MST MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
11 AM MST MONDAY. 

* LOCATION...EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FEET.

* CAUSE AND TIMING...A STORM SYSTEM WILL MOVE INTO WESTERN
  COLORADO ON SUNDAY...AND WILL MOVE EAST OF THE STATE BY MIDDAY
  MONDAY...BRINGING SNOW...HEAVY AT TIMES...TO THE AREA.

* SNOW ACCUMULATION...10 TO 20 INCHES.

* WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 35 MPH.

* IMPACT...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO ICY 
  AND SNOW PACKED ROADS AND POOR VISIBILITY AT TIMES. 

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...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>060-066-120615-
/O.CON.KPUB.WW.Y.0009.120212T1200Z-120213T1800Z/
WESTERN MOSQUITO RANGE/EAST LAKE COUNTY ABOVE 11000 FT-
LEADVILLE VICINITY/LAKE COUNTY BELOW 11000 FT-
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
LA GARITA MOUNTAINS ABOVE 10000 FT-
INCLUDING...CLIMAX...LEADVILLE...INDEPENDENCE PASS...MT ELBERT...
MT MASSIVE...NORTH PASS
511 PM MST SAT FEB 11 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM SUNDAY TO
11 AM MST MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM SUNDAY TO
11 AM MST MONDAY. 

* LOCATION...THE LA GARITA MOUNTAINS ABOVE 10000 FEET...LAKE
  COUNTY...AND THE MOUNTAINS OF WESTERN CHAFFEE COUNTY ABOVE 11000 FEET.

* CAUSE AND TIMING...A STORM SYSTEM WILL MOVE INTO WESTERN
  COLORADO ON SUNDAY...AND WILL MOVE EAST OF THE STATE BY MIDDAY
  MONDAY...BRINGING SNOW TO THE AREA.

* SNOW ACCUMULATION...5 TO 10 INCHES.

* WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 35 MPH...BECOMING 
  NORTHWEST AT 10 TO 25 MPH AFTER MIDNIGHT SUNDAY NIGHT. 

* IMPACT...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO ICY 
  AND SNOW PACKED ROADS AND POOR VISIBILITY AT TIMES. 

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.

&&

$$
172 
WWUS45 KPUB 120522
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
1022 PM MST SAT FEB 11 2012

COZ068-121200-
/O.CON.KPUB.WS.W.0003.120212T0700Z-120213T1800Z/
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
INCLUDING...CUMBRES PASS...WOLF CREEK PASS
1022 PM MST SAT FEB 11 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST
MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. 

* LOCATION...EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FEET.

* CAUSE AND TIMING...A STORM SYSTEM WILL MOVE INTO WESTERN 
  COLORADO ON SUNDAY...AND WILL MOVE EAST OF THE STATE BY MIDDAY 
  MONDAY...BRINGING SNOW...HEAVY AT TIMES...TO THE AREA. 

* SNOW ACCUMULATION...10 TO 20 INCHES.

* WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 35 MPH.

* IMPACT...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO ICY 
  AND SNOW PACKED ROADS AND POOR VISIBILITY AT TIMES. 

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...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>060-066-121200-
/O.CON.KPUB.WW.Y.0009.120212T1200Z-120213T1800Z/
WESTERN MOSQUITO RANGE/EAST LAKE COUNTY ABOVE 11000 FT-
LEADVILLE VICINITY/LAKE COUNTY BELOW 11000 FT-
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
LA GARITA MOUNTAINS ABOVE 10000 FT-
INCLUDING...CLIMAX...LEADVILLE...INDEPENDENCE PASS...MT ELBERT...
MT MASSIVE...NORTH PASS
1022 PM MST SAT FEB 11 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM SUNDAY TO
11 AM MST MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM SUNDAY TO
11 AM MST MONDAY. 

* LOCATION...THE LA GARITA MOUNTAINS ABOVE 10000 FEET...LAKE 
  COUNTY...AND THE MOUNTAINS OF WESTERN CHAFFEE COUNTY ABOVE 
  11000 FEET. 

* CAUSE AND TIMING...A STORM SYSTEM WILL MOVE INTO WESTERN 
  COLORADO ON SUNDAY...AND WILL MOVE EAST OF THE STATE BY MIDDAY 
  MONDAY...BRINGING SNOW TO THE AREA. 

* SNOW ACCUMULATION...5 TO 10 INCHES.

* WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 35 MPH...BECOMING 
  NORTHWEST AT 10 TO 25 MPH AFTER MIDNIGHT SUNDAY NIGHT. 

* IMPACT...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO ICY 
  AND SNOW PACKED ROADS AND POOR VISIBILITY AT TIMES. 

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.

&&

$$
418 
WWUS45 KPUB 121117
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
417 AM MST SUN FEB 12 2012

COZ068-121730-
/O.CON.KPUB.WS.W.0003.000000T0000Z-120213T1800Z/
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
INCLUDING...CUMBRES PASS...WOLF CREEK PASS
417 AM MST SUN FEB 12 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST
MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. 

* LOCATION...EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FEET.

* CAUSE AND TIMING...A STORM SYSTEM WILL TRACK ACROSS COLORADO THROUGH
  MIDDAY MONDAY BRINGING SNOW...HEAVY AT TIMES...TO THE AREA.

* SNOW ACCUMULATION...10 TO 20 INCHES.

* WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 35 MPH.

* IMPACT...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO ICY 
  AND SNOW PACKED ROADS AND POOR VISIBILITY AT TIMES. 

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...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>060-066-121730-
/O.CON.KPUB.WW.Y.0009.120212T1200Z-120213T1800Z/
WESTERN MOSQUITO RANGE/EAST LAKE COUNTY ABOVE 11000 FT-
LEADVILLE VICINITY/LAKE COUNTY BELOW 11000 FT-
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
LA GARITA MOUNTAINS ABOVE 10000 FT-
INCLUDING...CLIMAX...LEADVILLE...INDEPENDENCE PASS...MT ELBERT...
MT MASSIVE...NORTH PASS
417 AM MST SUN FEB 12 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
MONDAY. 

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

* CAUSE AND TIMING...A STORM SYSTEM WILL TRACK ACROSS COLORADO
  THROUGH MIDDAY MONDAY BRINGING SNOW TO THE AREA.

* SNOW ACCUMULATION...5 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS.

* WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 35 MPH...BECOMING
  NORTHWEST AT 10 TO 25 MPH AFTER MIDNIGHT SUNDAY.

* IMPACT...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO ICY 
  AND SNOW PACKED ROADS AND POOR VISIBILITY AT TIMES. 

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.

&&

$$
157 
WWUS45 KPUB 121659
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
959 AM MST SUN FEB 12 2012

COZ068-122300-
/O.CON.KPUB.WS.W.0003.000000T0000Z-120213T1800Z/
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
INCLUDING...CUMBRES PASS...WOLF CREEK PASS
959 AM MST SUN FEB 12 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST
MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. 

* LOCATION...EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FEET.

* CAUSE AND TIMING...A STORM SYSTEM WILL TRACK ACROSS COLORADO 
  THROUGH MIDDAY MONDAY BRINGING SNOW...HEAVY AT TIMES...TO THE 
  AREA. 

* SNOW ACCUMULATION...10 TO 20 INCHES.

* WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 35 MPH.

* IMPACT...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO ICY 
  AND SNOW PACKED ROADS AND POOR VISIBILITY AT TIMES. 

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...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>060-066-122300-
/O.CON.KPUB.WW.Y.0009.000000T0000Z-120213T1800Z/
WESTERN MOSQUITO RANGE/EAST LAKE COUNTY ABOVE 11000 FT-
LEADVILLE VICINITY/LAKE COUNTY BELOW 11000 FT-
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
LA GARITA MOUNTAINS ABOVE 10000 FT-
INCLUDING...CLIMAX...LEADVILLE...INDEPENDENCE PASS...MT ELBERT...
MT MASSIVE...NORTH PASS
959 AM MST SUN FEB 12 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
MONDAY. 

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

* CAUSE AND TIMING...A STORM SYSTEM WILL TRACK ACROSS COLORADO 
  THROUGH MIDDAY MONDAY BRINGING SNOW TO THE AREA. 

* SNOW ACCUMULATION...5 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS.

* WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 35 MPH...BECOMING 
  NORTHWEST AT 10 TO 25 MPH AFTER MIDNIGHT SUNDAY. 

* IMPACT...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO ICY 
  AND SNOW PACKED ROADS AND POOR VISIBILITY AT TIMES. 

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.

&&

$$
735 
WWUS45 KPUB 122214
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
314 PM MST SUN FEB 12 2012

COZ068-130415-
/O.CON.KPUB.WS.W.0003.000000T0000Z-120213T1800Z/
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
INCLUDING...CUMBRES PASS...WOLF CREEK PASS
314 PM MST SUN FEB 12 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST
MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. 

* LOCATION...EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FEET.

* CAUSE AND TIMING...A STORM SYSTEM WILL TRACK ACROSS COLORADO 
  THROUGH MIDDAY MONDAY BRINGING SNOW...HEAVY AT TIMES...TO THE 
  AREA. 

* SNOW ACCUMULATION...TOTAL ACCUMULATIONS OF 10 TO 20 INCHES.

* WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 35 MPH.

* IMPACT...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO ICY 
  AND SNOW PACKED ROADS AND POOR VISIBILITY AT TIMES. 

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...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>060-066-130415-
/O.CON.KPUB.WW.Y.0009.000000T0000Z-120213T1800Z/
WESTERN MOSQUITO RANGE/EAST LAKE COUNTY ABOVE 11000 FT-
LEADVILLE VICINITY/LAKE COUNTY BELOW 11000 FT-
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
LA GARITA MOUNTAINS ABOVE 10000 FT-
INCLUDING...CLIMAX...LEADVILLE...INDEPENDENCE PASS...MT ELBERT...
MT MASSIVE...NORTH PASS
314 PM MST SUN FEB 12 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
MONDAY. 

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

* CAUSE AND TIMING...A STORM SYSTEM WILL TRACK ACROSS COLORADO 
  THROUGH MIDDAY MONDAY BRINGING SNOW TO THE AREA. 

* SNOW ACCUMULATION...TOTAL ACCUMULATIONS OF 5 TO 10 INCHES WITH
  LOCALLY HIGHER AMOUNTS.

* WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 35 MPH...BECOMING 
  NORTHWEST AT 10 TO 25 MPH AFTER MIDNIGHT SUNDAY. 

* IMPACT...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO ICY 
  AND SNOW PACKED ROADS AND POOR VISIBILITY AT TIMES. 

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.

&&

$$
780 
WWUS45 KPUB 130356
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
856 PM MST SUN FEB 12 2012

COZ068-131200-
/O.CON.KPUB.WS.W.0003.000000T0000Z-120213T1800Z/
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
INCLUDING...CUMBRES PASS...WOLF CREEK PASS
856 PM MST SUN FEB 12 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST
MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. 

* LOCATION...EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FEET.

* CAUSE AND TIMING...A STORM SYSTEM WILL CONTINUE TO MOVE ACROSS
  THE STATE THROUGH EARLY TOMORROW AFTERNOON BRINGING
  SNOW...HEAVY AT TIMES...TO THE AREA.

* SNOW ACCUMULATION...ADDITIONAL SNOWFALL OF 4 TO 8 INCHES
  THROUGH LATE TOMORROW MORNING...BRINGING STORM TOTAL
  ACCUMULATIONS TO BETWEEN 10 AND 20 INCHES.

* WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 35 MPH.

* IMPACT...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO ICY AND
  SNOW PACKED ROADS...ALONG WITH POOR VISIBILITY AT TIMES. 

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...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>060-066-131200-
/O.CON.KPUB.WW.Y.0009.000000T0000Z-120213T1800Z/
WESTERN MOSQUITO RANGE/EAST LAKE COUNTY ABOVE 11000 FT-
LEADVILLE VICINITY/LAKE COUNTY BELOW 11000 FT-
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
LA GARITA MOUNTAINS ABOVE 10000 FT-
INCLUDING...CLIMAX...LEADVILLE...INDEPENDENCE PASS...MT ELBERT...
MT MASSIVE...NORTH PASS
856 PM MST SUN FEB 12 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
MONDAY. 

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

* CAUSE AND TIMING...A STORM SYSTEM WILL CONTINUE TO MOVE ACROSS
  THE STATE THROUGH EARLY TOMORROW AFTERNOON...BRINGING SNOW TO
  THE AREA.

* SNOW ACCUMULATION...TOTAL ACCUMULATIONS OF 5 TO 10 INCHES WITH
  LOCALLY HIGHER AMOUNTS...ESPECIALLY ON THE HIGHER WEST FACING
  SLOPES.  

* WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 35 MPH...BECOMING
  NORTHWEST AT 10 TO 25 MPH AFTER MIDNIGHT TONIGHT.

* IMPACT...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO ICY 
  AND SNOW PACKED ROADS AND POOR VISIBILITY AT TIMES. 

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.

&&

$$
128 
WWUS45 KPUB 131109
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
409 AM MST MON FEB 13 2012

COZ068-131800-
/O.CON.KPUB.WS.W.0003.000000T0000Z-120213T1800Z/
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
INCLUDING...CUMBRES PASS...WOLF CREEK PASS
409 AM MST MON FEB 13 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING. 

* LOCATION...EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FEET.

* CAUSE AND TIMING...A STORM SYSTEM WILL CONTINUE TO MOVE ACROSS
  THE STATE THROUGH EARLY THIS AFTERNOON BRINGING SNOW TO THE
  AREA.

* SNOW ACCUMULATION...ADDITIONAL SNOWFALL OF 1 TO 3 INCHES THROUGH
  LATE MORNING...BRINGING STORM TOTAL ACCUMULATIONS TO BETWEEN 10
  AND 20 INCHES.

* WIND...SOUTHWEST 10 TO 20 MPH.

* IMPACT...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO ICY 
  AND SNOW PACKED ROADS...ALONG WITH POOR VISIBILITY AT TIMES. 

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...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>060-066-131800-
/O.CON.KPUB.WW.Y.0009.000000T0000Z-120213T1800Z/
WESTERN MOSQUITO RANGE/EAST LAKE COUNTY ABOVE 11000 FT-
LEADVILLE VICINITY/LAKE COUNTY BELOW 11000 FT-
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
LA GARITA MOUNTAINS ABOVE 10000 FT-
INCLUDING...CLIMAX...LEADVILLE...INDEPENDENCE PASS...MT ELBERT...
MT MASSIVE...NORTH PASS
409 AM MST MON FEB 13 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING. 

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

* CAUSE AND TIMING...A STORM SYSTEM WILL CONTINUE TO MOVE ACROSS
  THE STATE THROUGH EARLY THIS AFTERNOON BRINGING SNOW TO THE
  AREA.

* SNOW ACCUMULATION...AN ADDITIONAL 1 TO 3 INCHES OF SNOWFALL IS
  EXPECTED WITH TOTAL STORM ACCUMULATIONS OF 5 TO 10 INCHES.

* WIND...NORTHWEST 10 TO 20 MPH.

* IMPACT...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO ICY 
  AND SNOW PACKED ROADS AND POOR VISIBILITY AT TIMES. 

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.

&&

$$
078 
WWUS45 KPUB 131738
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
1038 AM MST MON FEB 13 2012

COZ068-131845-
/O.EXP.KPUB.WS.W.0003.000000T0000Z-120213T1800Z/
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
INCLUDING...CUMBRES PASS...WOLF CREEK PASS
1038 AM MST MON FEB 13 2012

...WINTER STORM WARNING WILL EXPIRE AT 11 AM MST THIS MORNING...

THE WINTER STORM WARNING WILL EXPIRE AT 11 AM MST THIS MORNING. 

HEAVY SNOW IS NO LONGER EXPECTED OVER THE EASTERN SAN JUAN MOUNTAINS
THEREFORE THE WINTER STORM WARNING WILL BE ALLOWED TO EXPIRE.

$$

COZ058>060-066-131845-
/O.EXP.KPUB.WW.Y.0009.000000T0000Z-120213T1800Z/
WESTERN MOSQUITO RANGE/EAST LAKE COUNTY ABOVE 11000 FT-
LEADVILLE VICINITY/LAKE COUNTY BELOW 11000 FT-
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
LA GARITA MOUNTAINS ABOVE 10000 FT-
INCLUDING...CLIMAX...LEADVILLE...INDEPENDENCE PASS...MT ELBERT...
MT MASSIVE...NORTH PASS
1038 AM MST MON FEB 13 2012

...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS
MORNING...

THE WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS
MORNING. 

HEAVY SNOW IS NO LONGER EXPECTED OVER THE HIGHER ELEVATIONS OF THE
WESTERN MOSQUITO RANGE...LA GARITA MOUNTAINS...AND THE EASTERN
SAWATCH MOUNTAINS THEREFORE THE WINTER WEATHER ADVISORY WILL BE
ALLOWED TO EXPIRE.

$$

What forecasters said that day

The local office's own words before this winter weather advisory 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 winter weather advisory went out at Feb 11, 10:34 AM MST, 4 hours 48 minutes earlier.

Area forecast discussion, Feb 11, 10:34 AM MST, 4 hours 48 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE PUEBLO CO
1034 AM MST SAT FEB 11 2012

.UPDATE...
UPDATED SHORT TERM FORECAST TO BRING IN LINE WITH CURRENT
OBSERVATIONAL DATA. GENERAL FORECAST REMAINS ON TRACK.

&&

.AVIATION...

AT KCOS AND KPUB...IFR TO LIFR CIGS/VSBYS WILL CONTINUE THROUGH
ABOUT 20Z...WITH OCCASIONAL PERIODS OF --SN. LITTLE ADDITIONAL
ACCUMULATION IS EXPECTED AT KCOS AND KPUB...WITH ADDITIONAL
AMOUNTS OF JUST A FEW TENTHS OF AN INCH OR LESS. BOTH TERMINALS
MAY SEE A BRIEF IMPROVEMENT TO MVFR CONDITIONS FOR A FEW HOURS
20Z-01Z...BEFORE IFR/LIFR CIGS/VI'S RETURN FOR MOST OF TONIGHT. AT
KALS...VFR CONDITIONS ARE EXPECTED TO CONTINUE TODAY AND TONIGHT.
OVER THE MOUNTAINS...VFR CONDITIONS MOST AREAS TODAY....WITH CIGS
LOWERING AND OBSCURING MOST OF THE HIGHER TERRAIN BY 06Z AS SNOW
DEVELOPS ALONG THE CONTINENTAL DIVIDE. LW

&&

.PREV DISCUSSION... /ISSUED 449 AM MST SAT FEB 11 2012/

SHORT TERM...

(TODAY AND TONIGHT)

COLD ARCTIC AIR MASS WAS BANKED UP AGAINST THE EASTERN MOUNTAINS
THIS MORNING...WITH WEAK EAST WIND AT LA VETA PASS SUGGESTING COLD
AIR DEPTH IS APPROACHING 10K MSL. SALIDA OB STILL SHOWING A WEST
WIND...SO COLD AIR HAS YET TO MAKE IT ALL THE WAY UP THE ARKANSAS
VALLEY AS OF 11Z. LOW LEVEL WINDS HAVE TAKEN ON ENOUGH OF AN
SOUTHERLY COMPONENT TO GENERATE LIGHT PRECIP ALONG AND NORTH OF THE
ARKANSAS RIVER...AS WEAK UPSLOPE SOUTH OF THE PALMER DIVIDE AIDES IN
PRECIP DEVELOPMENT. SOUNDINGS SUGGEST TOP OF THE SATURATED COLUMN
OVER THE PLAINS IS AROUND MINUS 10C...WHICH IS USUALLY THE DIVIDING
LINE BETWEEN FREEZING DRIZZLE AND SNOW IN THESE SHALLOW UPSLOPE
SITUATIONS. OBS SEEM TO SUPPORT THAT IDEA...AS LOCATIONS FROM LA
JUNTA WEST TO PUEBLO AND NORTH TO COLORADO SPRINGS HAVE VACILLATED
BACK AND FORTH FROM -FZDZ TO -SN OVER THE PAST FEW HOURS. DON'T SEE
MUCH CHANGE OVER THE PLAINS THROUGH THE MORNING...WITH A CONTINUED
MIX OF FZFG/-FZDZ/-SN THROUGH MIDDAY ALONG AND EAST OF I-25. WILL
LIKELY SEE A BREAK IN PRECIP THIS AFTERNOON AS SURFACE LAYER WARMS
SLIGHTLY AND BRIEFLY LOSES SATURATION...THOUGH LOW CLOUDS AND AT
LEAST PATCHY FOG WILL PERSIST. THOUGHT ABOUT AN ADVISORY FOR FZDZ
FOR THIS MORNING...BUT GIVEN PATCHY NATURE OF ICING SO FAR WILL HOLD
OFF FOR NOW. WESTERN MOUNTAINS AND VALLEYS WILL STAY MAINLY
UNAFFECTED BY THE COLD AIR...WITH SEASONABLE TEMPS AND DRY
CONDITIONS EXCEPT FOR A FEW -SHSN OVER THE CENTRAL MOUNTAINS.

OVERNIGHT...COLD AIR ON THE PLAINS BECOMES FAIRLY SHALLOW...WHICH
MAY REDUCE FZDZ/--SN AND LEAD TO MORE OF A FZFG SET-UP. WILL STILL
KEEP A MENTION OF FZDZ/--SN/FZFG IN THE FORECAST FOR NOW AND SEE HOW
BOUNDARY LAYER EVOLVES THIS AFTERNOON. FARTHER WEST...SNOW BEGINS TO
INCREASE ALONG THE CONTINENTAL DIVIDE AFTER 06Z...WITH SAN JUANS
LOOKING FAVORABLE FOR HEAVY SNOW INITIALLY WITH SOUTHWEST FLOW AHEAD
OF WESTERN U.S. UPPER TROUGH. CONVERTED THE WATCH TO A WARNING FOR
THE HIGHER ELEVATIONS OF THE SAN JUANS...MAY NEED SOME ADVISORIES
OVER LOWER ZONES AND ACROSS THE CENTRAL MOUNTAINS BY EARLY SUNDAY
MORNING AS LOW APPROACHES AND SNOW BECOMES MORE WIDESPREAD.

LONG TERM...

(SUNDAY THROUGH FRIDAY)

MODELS ARE IN MUCH BETTER AGREEMENT TONIGHT THROUGH THE MIDDLE OF
THE WORK WEEK THAN THEY WERE 24 HOURS AGO. SUNDAY MORNING LOOKS TO
BE MESSY WITH CONTINUED FREEZING DRIZZLE...FOG AND LIGHT SNOW FOR
MUCH OF THE EASTERN PLAINS. THINGS WILL CHANGE BY SUNDAY AFTERNOON
THOUGH AS ANOTHER STORM SYSTEM MOVES INTO THE DESERT SOUTHWEST.
SNOW WILL BE ON THE INCREASE SUNDAY MORNING ALONG THE CONTINENTAL
DIVIDE AS A LEAD VORT MAX EJECTS FROM THE TROUGH OVER COLORADO.
THIS WILL ALSO HELP TO MIX SOUTHWESTERLY WINDS TO THE SURFACE
WHICH SHOULD BRING DRIER AIR TO THE REGION HELPING TO BRING AN END
TO THE FREEZING DRIZZLE AND FOG FOR THE PLAINS. EXPECT AREAS SOUTH
OF HIGHWAY 50 TO SEE AN END TO THE FREEZING DRIZZLE AND FOG BY MID
MORNING...THEN ENDING TO THE NORTH BY MID DAY.

SNOW WILL CONTINUE ACROSS THE CONTINENTAL DIVIDE THROUGH SUNDAY
NIGHT AS THE UPPER TROUGH PASSES TO THE SOUTH. SNOW WILL LIKELY BE
MODERATE AT TIMES...ESPECIALLY DURING THE DAY ON SUNDAY. MODELS IN
GOOD AGREEMENT WITH THE HEAVIEST SNOW FALLING OVER THE SAN JUAN
RANGE. ACCUMULATIONS OVER THE CENTRAL MOUNTAINS WILL GENERALLY BE
4 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS. OVER THE SAN JUAN
RANGE...SNOW FALL WILL LIKELY EXCEED A FOOT. LIGHT SNOW WILL ALSO
BE LIKELY OVER THE EASTERN MOUNTAINS WITH MINOR ACCUMULATIONS
POSSIBLE. EXPECT THE PLAINS TO REMAIN DRY ONCE THE FOG AND
FREEZING DRIZZLE DISSIPATE.

THE REGION WILL BE IN BETWEEN SYSTEMS ON MONDAY. BOTH THE ECMWF
AND GFS ARE COMING MORE INTO LINE WITH THE NEXT STORM SYSTEM WHICH
IS FORECAST TO MOVE INTO THE REGION BY TUESDAY AND SLOWLY TRACK
ACROSS THE DESERT SOUTHWEST THROUGH WEDNESDAY NIGHT. LIGHT SNOW
WILL PERSIST ON THE WEST SLOPES OF THE CONTINENTAL DIVIDE ON
MONDAY. SNOW WILL INCREASE BY TUESDAY MORNING ALONG THE
CONTINENTAL DIVIDE AS THE UPPER LEVEL STORM SYSTEM MOVES INTO THE
4 CORNERS REGION. THE PROJECTED STORM TRACK CURRENTLY LOOKS TO BE
ACROSS NORTHERN NEW MEXICO INTO WESTERN KANSAS. THERE HAS BEEN
LITTLE RUN TO RUN CONSISTENCY AT THIS POINT...BUT BOTH THE GFS AND
ECMWF ARE INDICATING A SIMILAR STORM TRACK. SNOW WILL LIKELY
SPREAD EAST ACROSS THE PLAINS BY WEDNESDAY. HOW MUCH AND WHERE THE
HEAVIEST SNOW FALLS WILL BE HIGHLY DEPENDENT ON STORM TRACK AND
THE AMOUNT OF LOW LEVEL UPSLOPE. RIGHT NOW THE MOST LIKELY TIME
FRAME FOR SNOW OVER THE PLAINS LOOKS TO BE WEDNESDAY MORNING WITH
THE FAVORED AREA BEING OVER THE PALMER DIVIDE. IT IS STILL WAY TO
EARLY TO PUT STORM TOTALS TOGETHER FOR THIS STORM AND THINGS WILL
LIKELY CHANGE WITH FUTURE MODEL RUNS.  STAY TUNED FOR THIS ONE.

THE UPPER STORM SYSTEM EJECTS INTO THE CENTRAL PLAINS BY WEDNESDAY
NIGHT WITH QUIET WEATHER CONDITIONS FORECAST FOR THURSDAY AND
FRIDAY.  88

AVIATION...

AT KCOS AND KPUB...IFR TO LIFR CIGS/VSBYS WILL CONTINUE
THROUGH AT LEAST 16Z...WITH OCCASIONAL PERIODS OF -FZDZ/--SN THROUGH
MID-MORNING. BOTH TERMINALS MAY SEE A BRIEF IMPROVEMENT TO MVFR
CONDITIONS FOR A FEW HOURS BETWEEN 20Z-01Z...BEFORE IFR/LIFR
CIGS/VI'S RETURN FOR MOST OF TONIGHT. AT KALS...VFR CONDITIONS
CONTINUING TODAY AND TONIGHT. OVER THE MOUNTAINS...VFR CONDITIONS
MOST AREAS TODAY....WITH CIGS LOWERING AND OBSCURING MOST OF THE
HIGHER TERRAIN BY 06Z AS SNOW DEVELOPS ALONG THE CONTINENTAL DIVIDE.

&&

.PUB WATCHES/WARNINGS/ADVISORIES...
WINTER STORM WARNING FROM MIDNIGHT TONIGHT TO 11 PM MST SUNDAY
FOR COZ068.

&&

50/06
Hazardous weather outlook, Feb 11, 10:26 AM MST, 4 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PUEBLO CO
1026 AM MST SAT FEB 11 2012

COZ058>089-093>099-121730-
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-
1026 AM MST SAT FEB 11 2012

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

.DAY ONE...TODAY AND TONIGHT

OCCASIONAL LIGHT SNOW AND FLURRIES...ALONG WITH PATCHY FREEZING
DRIZZLE AND FOG ARE EXPECTED TODAY AND TONIGHT OVER MOST OF THE
EASTERN PLAINS. THE LIGHT SNOW...FOG AND DRIZZLE COMBINED WITH
TEMPERATURES IN THE LOWER TO MID 20S WILL PRODUCE A LIGHT GLAZE OF
ICE AND HAZARDOUS DRIVING CONDITIONS...ESPECIALLY ACROSS
BRIDGES...OVERPASSES AND ELEVATED ROADWAYS.  EXTREME CAUTION SHOULD
BE USED ON AREA HIGHWAYS AND EVEN WHILE OUT WALKING...AS MANY
SURFACES WILL HAVE A THIN GLAZE OF ICE.

A WEATHER SYSTEM MOVING ACROSS THE GREAT BASIN TODAY WILL BRING
LIGHT SNOWFALL TO THE HIGHER ELEVATIONS ALONG AND WEST OF THE
CONTINENTAL DIVIDE THIS EVENING. SNOW...MODERATE TO HEAVY AT
TIMES...WILL THEN DEVELOP OVER THE SAN JUAN MOUNTAINS AFTER
MIDNIGHT...WITH SEVERAL INCHES OF ACCUMULATION POSSIBLE BY EARLY
SUNDAY MORNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

PATCHY AREAS OF FREEZING DRIZZLE AND FOG WILL BE POSSIBLE SUNDAY
MORNING ACROSS MOST OF THE EASTERN PLAINS. EXPECT THIS AREA OF
FREEZING DRIZZLE AND FOG TO DISSIPATE BY SUNDAY AFTERNOON. A LIGHT
GLAZING OF ICE WILL LEAD TO SLIPPERY ROADWAYS AND HAZARDOUS
DRIVING CONDITIONS.

SNOW WILL INCREASE ACROSS THE CONTINENTAL DIVIDE SUNDAY BEFORE
DECREASING TO LIGHT SNOW BY MONDAY MORNING. THE HEAVIEST SNOW IS
EXPECTED TO FALL OVER THE SAN JUAN MOUNTAINS WHERE OVER A FOOT OF
SNOW IS POSSIBLE. ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED OVER
THE CENTRAL MOUNTAINS WHILE ONLY MINOR ACCUMULATIONS ARE EXPECTED
OVER THE EASTERN MOUNTAINS.

ANOTHER STORM SYSTEM WILL MOVE INTO THE ROCKIES BY TUESDAY.
ANOTHER ROUND OF SNOW WILL DEVELOP ALONG THE CONTINENTAL DIVIDE
AND SPREAD EAST ACROSS ALL OF SOUTHERN COLORADO TUESDAY NIGHT INTO
WEDNESDAY. THERE IS A HIGH DEGREE OF UNCERTAINTY AT THIS POINT AS
TO WHERE THE STORM SYSTEM WILL TRACK...BUT ACCUMULATING SNOW WILL
BE POSSIBLE FOR MOST OF THE REGION TUESDAY NIGHT THROUGH WEDNESDAY
NIGHT.

.SPOTTER INFORMATION STATEMENT...

WEATHER CONDITIONS THAT MEET REPORTING CRITERIA FOR SPOTTERS WILL BE
POSSIBLE TODAY AND TONIGHT OVER THE EASTERN MOUNTAINS AND SOUTHEAST
PLAINS...AND LATE TONIGHT OVER THE SOUTHWEST MOUNTAINS.

50/06

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 11, 3:53 AM MSTWinter Storm WarningPUBConejos, Mineral, Rio Grande55 hr

Nearby

Winter Weather Advisories in Colorado, 2012Every winter weather advisory in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.