Alert archive / Colorado / Winter Storm Watches in 2011

Winter Storm Watch 13, NWS Pueblo, CO

November 3, 20116 counties in Colorado

NWS Pueblo, CO issued this winter storm watch at Nov 3, 2011, 2:38 PM MDT for 6 counties in Colorado. It took effect at Nov 4, 2011, 9:00 PM MDT. It was in force for .

The area

The counties it named.

The facts

Issued
Nov 3, 2011, 2:38 PM MDT (20:38 UTC)
In effect from
Nov 4, 2011, 9:00 PM MDT
Expired
Nov 3, 2011, 8:40 PM MDT
In force
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 20:43 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, 8.6 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 12:00Z on 2011-11-03Temperature 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 12:00Z on 2011-11-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 square meters per square second.193958Sfc1 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
1120 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
176 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.

616 
WWUS45 KPUB 032038
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
238 PM MDT THU NOV 3 2011

COZ058-060-066-068-040245-
/O.NEW.KPUB.WS.A.0013.111105T0300Z-111106T0300Z/
WESTERN MOSQUITO RANGE/EAST LAKE COUNTY ABOVE 11000 FT-
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
LA GARITA MOUNTAINS ABOVE 10000 FT-
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
INCLUDING...CLIMAX...INDEPENDENCE PASS...MT ELBERT...MT MASSIVE...
NORTH PASS...CUMBRES PASS...WOLF CREEK PASS
238 PM MDT THU NOV 3 2011

...WINTER STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH
SATURDAY EVENING...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A WINTER STORM
WATCH...WHICH IS IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY
EVENING. 

* LOCATION...THE LA GARITA AND EASTERN SAN JUAN MOUNTAINS ABOVE
  10000 FEET AND THE EASTERN SAWATCH AND MOSQUITO RANGES ABOVE
  11000 FEET.

* CAUSE AND TIMING...A STORM SYSTEM IS PROJECTED TO MOVE ACROSS
  THE REGION FROM FRIDAY EVENING INTO SATURDAY EVENING BRINGING A
  PERIOD OF SNOW AND GUSTY SOUTHWEST TO WEST WINDS TO THE AREA.

* SNOW ACCUMULATION...IN EXCESS OF 8 INCHES IS ANTICIPATED.  

* WIND...SOUTHWEST TO WEST WINDS 15 TO 30 MPH...WITH GUSTS TO 45
  MPH AT TIMES...ESPECIALLY OVER HIGHER TERRAIN AREAS.

* IMPACT...MODERATE TO HEAVY SNOWFALL IN COMBINATION WITH AREAS OF
  BLOWING SNOW WILL RESULT IN POTENTIAL TREACHEROUS TRAVEL
  CONDITIONS ACROSS THE WINTER STORM WATCH AREA.

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
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.

&&

$$
1 follow-up statement
069 
WWUS45 KPUB 040240
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
840 PM MDT THU NOV 3 2011

COZ068-040845-
/O.UPG.KPUB.WS.A.0013.111105T0300Z-111106T0300Z/
/O.NEW.KPUB.WS.W.0017.111105T0600Z-111106T0300Z/
EASTERN SAN JUAN MOUNTAINS ABOVE 10000 FT-
INCLUDING...CUMBRES PASS...WOLF CREEK PASS
840 PM MDT THU NOV 3 2011

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT FRIDAY NIGHT TO
9 PM MDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
MIDNIGHT FRIDAY NIGHT TO 9 PM MDT SATURDAY. THE WINTER STORM WATCH
IS NO LONGER IN EFFECT.


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

* CAUSE AND TIMING...A STORM SYSTEM IS EXPECTED TO MOVE ACROSS THE
  REGION FROM FRIDAY NIGHT INTO SATURDAY EVENING...BRINGING A PERIOD
  OF SNOW AND GUSTY SOUTHWEST WINDS TO THE AREA.

* SNOW ACCUMULATION...8 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS.

* WIND...SOUTHWEST TO WEST WINDS 15 TO 30 MPH...WITH GUSTS TO 45 
  MPH AT TIMES...ESPECIALLY OVER HIGHER TERRAIN AREAS. 

* IMPACT...HEAVY SNOWFALL IN COMBINATION WITH AREAS OF BLOWING
  SNOW WILL RESULT IN POTENTIAL TREACHEROUS TRAVEL CONDITIONS
  ACROSS THE WARNED AREA.

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.

&&

$$

COZ058-060-066-040845-
/O.UPG.KPUB.WS.A.0013.111105T0300Z-111106T0300Z/
/O.NEW.KPUB.WW.Y.0035.111105T0600Z-111106T0300Z/
WESTERN MOSQUITO RANGE/EAST LAKE COUNTY ABOVE 11000 FT-
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
LA GARITA MOUNTAINS ABOVE 10000 FT-
INCLUDING...CLIMAX...INDEPENDENCE PASS...MT ELBERT...MT MASSIVE...
NORTH PASS
840 PM MDT THU NOV 3 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT FRIDAY NIGHT
TO 9 PM MDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM MIDNIGHT FRIDAY
NIGHT TO 9 PM MDT SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN
EFFECT.


* LOCATION...THE LA GARITA MOUNTAINS ABOVE 10000 FEET AND THE
  EASTERN SAWATCH AND MOSQUITO RANGES ABOVE 11000 FEET.

* CAUSE AND TIMING...A STORM SYSTEM IS EXPECTED TO MOVE ACROSS THE
  REGION FROM FRIDAY NIGHT INTO SATURDAY EVENING...BRINGING A PERIOD
  OF SNOW AND GUSTY SOUTHWEST TO WEST WINDS TO THE AREA.

* SNOW ACCUMULATION...4 TO 8 INCHES.

* WIND...SOUTHWEST TO WEST WINDS 10 TO 20 MPH...WITH GUSTS TO 35
  MPH AT TIMES...ESPECIALLY OVER HIGHER TERRAIN AREAS.

* IMPACT...MODERATE TO HEAVY SNOWFALL IN COMBINATION WITH AREAS OF
  BLOWING SNOW WILL RESULT IN POTENTIAL TREACHEROUS TRAVEL
  CONDITIONS ACROSS THE AREA.


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.

&&

$$
ROSE

Nearby

Winter Storm Watches in Colorado, 2011Every winter storm watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.