Alert archive / Colorado / Winter Weather Advisories in 2012

Winter Weather Advisory 21, NWS Pueblo, CO

May 11, 201211 counties in Colorado

NWS Pueblo, CO issued this winter weather advisory at May 11, 2012, 3:30 PM MDT for 11 counties in Colorado. It took effect at May 11, 2012, 6:00 PM MDT. It was in force for 34 hr.

The area

The counties it named.

The facts

Issued
May 11, 2012, 3:30 PM MDT (21:30 UTC)
In effect from
May 11, 2012, 6:00 PM MDT
Expired
May 13, 2012, 4:01 AM MDT
In force
34 hr
Issued by
NWS Pueblo, CO

Counties Alamosa County, CO, Chaffee County, CO, Costilla County, CO, Custer County, CO, El Paso County, CO, Fremont County, CO, Huerfano County, CO, Lake County, CO, Las Animas County, CO, Saguache County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 111 km from the middle of the area, began a volume at 21:30 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

Denver, CO (KDNR), launched 12:00Z, 9.5 hours before the alert went out and 265 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, Denver, CO at 12:00Z on 2012-05-11Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2012-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -38 square meters per square second.1939Sfc1 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
1199 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-38 m²/s²
0-3 km storm-relative helicity
47 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.

604 
WWUS45 KPUB 112130
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
330 PM MDT FRI MAY 11 2012

COZ060-073-075-082-120330-
/O.NEW.KPUB.WW.Y.0021.120512T0000Z-120514T0000Z/
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
NORTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FEET-
SOUTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FT-
PIKES PEAK ABOVE 11000 FT-
INCLUDING...INDEPENDENCE PASS...MT ELBERT...MT MASSIVE...
BLANCA PEAK...SPANISH PEAKS...PIKES PEAK
330 PM MDT FRI MAY 11 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 6 PM MDT
SUNDAY.

* LOCATION...ELEVATIONS ABOVE 11000 FEET ACROSS PIKES PEAK...THE
  SANGRE DE CRISTOS AND THE EASTERN SAWATCH RANGE.

* CAUSE AND TIMING...A COUPLE OF PACIFIC WEATHER SYSTEMS WILL
  TRACK EAST ACROSS THE AREA THROUGH THE WEEKEND.

* SNOW ACCUMULATION...GENERALLY 5 TO 10 INCHES...BUT LOCALLY
  HIGHER AMOUNTS IN EXCESS OF A FOOT WILL BE POSSIBLE ACROSS THE
  HIGHEST PEAKS.

* WIND...GENERALLY SOUTH TO SOUTHWEST AT 15 TO 25 MPH THROUGH
  SATURDAY NIGHT...BUT BECOMING NORTHEAST 15 TO 25 MPH ON SUNDAY.

* IMPACT...ICY...SLUSHY...AND SNOW COVERED ROADS WILL RESULT IN
  HAZARDOUS TRAVEL CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINTER WEATHER CONDITIONS ARE EXPECTED DUE TO A COMBINATION OF
SNOW....SLUSH AND ICE.

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.

&&

$$
6 follow-up statements
186 
WWUS45 KPUB 120317
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
917 PM MDT FRI MAY 11 2012

COZ060-073-075-082-121030-
/O.CON.KPUB.WW.Y.0021.000000T0000Z-120514T0000Z/
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
NORTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FEET-
SOUTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FT-
PIKES PEAK ABOVE 11000 FT-
INCLUDING...INDEPENDENCE PASS...MT ELBERT...MT MASSIVE...
BLANCA PEAK...SPANISH PEAKS...PIKES PEAK
917 PM MDT FRI MAY 11 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SUNDAY. 

* LOCATION...ELEVATIONS ABOVE 11000 FEET ACROSS PIKES PEAK...THE 
  SANGRE DE CRISTOS AND THE EASTERN SAWATCH RANGE. 

* CAUSE AND TIMING...A COUPLE OF PACIFIC WEATHER SYSTEMS WILL 
  TRACK EAST ACROSS THE AREA THROUGH THE WEEKEND. 

* SNOW ACCUMULATION...GENERALLY 5 TO 10 INCHES...BUT LOCALLY 
  HIGHER AMOUNTS IN EXCESS OF A FOOT WILL BE POSSIBLE ACROSS THE 
  HIGHEST PEAKS. 

* WIND...SOUTH TO SOUTHWEST AT 15 TO 25 MPH THROUGH SATURDAY
  NIGHT...BUT BECOMING NORTHEAST 15 TO 25 MPH ON SUNDAY.

* IMPACT...ICY...SLUSHY...AND SNOW COVERED ROADS WILL RESULT IN 
  HAZARDOUS TRAVEL CONDITIONS AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINTER WEATHER CONDITIONS ARE EXPECTED DUE TO A COMBINATION OF
SNOW....SLUSH AND ICE.

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.

&&

$$
507 
WWUS45 KPUB 120849
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
249 AM MDT SAT MAY 12 2012

COZ060-073-075-082-121700-
/O.CON.KPUB.WW.Y.0021.000000T0000Z-120514T0000Z/
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
NORTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FEET-
SOUTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FT-
PIKES PEAK ABOVE 11000 FT-
INCLUDING...INDEPENDENCE PASS...MT ELBERT...MT MASSIVE...
BLANCA PEAK...SPANISH PEAKS...PIKES PEAK
249 AM MDT SAT MAY 12 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SUNDAY. 

* LOCATION...ELEVATIONS ABOVE 11000 FEET ACROSS PIKES PEAK...THE 
  SANGRE DE CRISTOS AND THE EASTERN SAWATCH RANGE. 

* CAUSE AND TIMING...A COUPLE OF PACIFIC WEATHER SYSTEMS WILL 
  TRACK EAST ACROSS THE AREA THROUGH THE WEEKEND. 

* SNOW ACCUMULATION...GENERALLY 5 TO 10 INCHES...BUT LOCALLY
  HIGHER SNOW MOUNTS IN EXCESS OF A FOOT WILL BE POSSIBLE ACROSS
  THE HIGHEST PEAKS.

* WIND...SOUTH TO SOUTHWEST AT 15 TO 25 MPH THROUGH SATURDAY 
  NIGHT...BUT BECOMING NORTHEAST 15 TO 25 MPH ON SUNDAY. 

* IMPACT...ICY...SLUSHY...AND SNOW COVERED ROADS WILL RESULT IN 
  HAZARDOUS TRAVEL CONDITIONS AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINTER WEATHER CONDITIONS ARE EXPECTED DUE TO A COMBINATION OF
SNOW....SLUSH AND ICE.

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.

&&

$$
296 
WWUS45 KPUB 121620
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
1020 AM MDT SAT MAY 12 2012

COZ060-073-075-082-122230-
/O.CON.KPUB.WW.Y.0021.000000T0000Z-120514T0000Z/
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
NORTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FEET-
SOUTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FT-
PIKES PEAK ABOVE 11000 FT-
INCLUDING...INDEPENDENCE PASS...MT ELBERT...MT MASSIVE...
BLANCA PEAK...SPANISH PEAKS...PIKES PEAK
1020 AM MDT SAT MAY 12 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SUNDAY. 

* LOCATION...ELEVATIONS ABOVE 11000 FEET ACROSS PIKES PEAK...THE 
  SANGRE DE CRISTOS AND THE EASTERN SAWATCH RANGE. 

* CAUSE AND TIMING...A COUPLE OF PACIFIC WEATHER SYSTEMS WILL 
  TRACK EAST ACROSS THE AREA THROUGH THE WEEKEND. 

* SNOW ACCUMULATION...GENERALLY 5 TO 10 INCHES...BUT LOCALLY
  HIGHER AMOUNTS IN EXCESS OF A FOOT WILL BE POSSIBLE ACROSS THE
  HIGHEST PEAKS.

* IMPACT...ICY...SLUSHY...AND SNOW COVERED ROADS WILL RESULT IN 
  HAZARDOUS TRAVEL CONDITIONS AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINTER WEATHER CONDITIONS ARE EXPECTED DUE TO A COMBINATION OF
SNOW....SLUSH AND ICE.

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.

&&

$$
599 
WWUS45 KPUB 122058
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
258 PM MDT SAT MAY 12 2012

COZ060-073-075-082-130330-
/O.CON.KPUB.WW.Y.0021.000000T0000Z-120514T0000Z/
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
NORTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FEET-
SOUTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FT-
PIKES PEAK ABOVE 11000 FT-
INCLUDING...INDEPENDENCE PASS...MT ELBERT...MT MASSIVE...
BLANCA PEAK...SPANISH PEAKS...PIKES PEAK
258 PM MDT SAT MAY 12 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SUNDAY. 

* LOCATION...ELEVATIONS ABOVE 11000 FEET ACROSS PIKES PEAK...THE 
  SANGRE DE CRISTOS AND THE EASTERN SAWATCH RANGE. 

* CAUSE AND TIMING...A COUPLE OF PACIFIC WEATHER SYSTEMS WILL 
  TRACK EAST ACROSS THE AREA THROUGH THE WEEKEND. 

* SNOW ACCUMULATION...ADDITIONAL AMOUNTS OF 2 TO 8 INCHES WITH
  LOCALLY HIGHER AMOUNTS POSSIBLE.

* IMPACT...ICY...SLUSHY...AND SNOW COVERED ROADS WILL RESULT IN 
  HAZARDOUS TRAVEL CONDITIONS AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINTER WEATHER CONDITIONS ARE EXPECTED DUE TO A COMBINATION OF
SNOW....SLUSH AND ICE.

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.

&&

$$
382 
WWUS45 KPUB 130240
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
840 PM MDT SAT MAY 12 2012

COZ060-073-075-082-131000-
/O.CON.KPUB.WW.Y.0021.000000T0000Z-120514T0000Z/
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
NORTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FEET-
SOUTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FT-
PIKES PEAK ABOVE 11000 FT-
INCLUDING...INDEPENDENCE PASS...MT ELBERT...MT MASSIVE...
BLANCA PEAK...SPANISH PEAKS...PIKES PEAK
840 PM MDT SAT MAY 12 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
SUNDAY. 

* LOCATION...ELEVATIONS ABOVE 11000 FEET ACROSS PIKES PEAK...THE 
  SANGRE DE CRISTOS AND THE EASTERN SAWATCH RANGE. 

* CAUSE AND TIMING...A COUPLE OF PACIFIC WEATHER SYSTEMS WILL 
  TRACK EAST ACROSS THE AREA THROUGH THE WEEKEND. 

* SNOW ACCUMULATION...ADDITIONAL AMOUNTS OF 2 TO 8 INCHES WITH 
  LOCALLY HIGHER AMOUNTS POSSIBLE. 

* IMPACT...ICY...SLUSHY...AND SNOW COVERED ROADS WILL RESULT IN 
  HAZARDOUS TRAVEL CONDITIONS AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINTER WEATHER CONDITIONS ARE EXPECTED DUE TO A COMBINATION OF
SNOW....SLUSH AND ICE.

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.

&&

$$
192 
WWUS45 KPUB 131001
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
401 AM MDT SUN MAY 13 2012

COZ060-073-075-082-131115-
/O.CAN.KPUB.WW.Y.0021.000000T0000Z-120514T0000Z/
EASTERN SAWATCH MOUNTAINS ABOVE 11000 FT-
NORTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FEET-
SOUTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FT-
PIKES PEAK ABOVE 11000 FT-
401 AM MDT SUN MAY 13 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

WIDESPREAD SNOWFALL IS NO LONGER EXPECTED OVER THE AREA...ALTHOUGH
BRIEF LOCAL ACCUMULATIONS OF 1 TO 3 INCHES WILL BE POSSIBLE OVER
THE HIGHER PEAKS OF THE SANGRE DE CRISTO AND SAWATCH RANGES AND
THE SUMMIT OF PIKES PEAK WITH THUNDERSTORMS LATER THIS AFTERNOON. 

$$

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.