Alert archive / Colorado / Wind Chill Advisories in 2012

Wind Chill Advisory 1, NWS Pueblo, CO

December 9, 201214 counties in Colorado

NWS Pueblo, CO issued this wind chill advisory at Dec 9, 2012, 7:03 PM MST for 14 counties in Colorado. It took effect at Dec 9, 2012, 10:00 PM MST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Dec 9, 2012, 7:03 PM MST (02:03 UTC)
In effect from
Dec 9, 2012, 10:00 PM MST
Expired
Dec 10, 2012, 8:00 AM MST
In force
10 hr
Issued by
NWS Pueblo, CO

Counties Alamosa County, CO, Chaffee County, CO, Conejos 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, Mineral County, CO, Rio Grande County, CO, Saguache County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 136 km from the middle of the area, began a volume at 02:01 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 00:00Z, 2.1 hours before the alert went out and 276 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 2012-12-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 joules per kilogram.LCLEL10008507005003002001001 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 2012-12-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 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
25 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1841 m above ground
0-6 km bulk shear
96 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
105 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.

198 
WWUS45 KPUB 100203
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
703 PM MST SUN DEC 9 2012

COZ073-075-100815-
/O.CAN.KPUB.WW.Y.0026.000000T0000Z-121210T0300Z/
/O.NEW.KPUB.WC.Y.0001.121210T0500Z-121210T1500Z/
NORTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FEET-
SOUTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FT-
INCLUDING...BLANCA PEAK...SPANISH PEAKS
703 PM MST SUN DEC 9 2012

...WIND CHILL ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 8 AM
MST MONDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 8 AM MST
MONDAY. THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. 

* LOCATION...THE SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FEET.

* CAUSE AND TIMING...SNOW HAS ENDED ACROSS THE REGION AND VERY
  COLD AIR HAS SETTLED IN. WINDS WILL INCREASE ACROSS THE PEAKS
  OVERNIGHT LEADING TO BITTER COLD WIND CHILLS.   

* WIND CHILL VALUE...WIND CHILLS WILL RANGE FROM 20 BELOW TO 34
  BELOW ZERO.

* IMPACT...TAKE PRECAUTIONS TO PREVENT FROST BITE BY COVERING ALL
  EXPOSED SKIN IF YOU MUST BE OUTSIDE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WIND CHILL VALUES FROM MINUS 25 TO MINUS 34 DEGREES FAHRENHEIT ARE
EXPECTED.

THESE CONDITIONS CAN FREEZE EXPOSED SKIN WITHIN 30 MINUTES AND
COULD LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN.
WEAR LAYERS OF LOOSE-FITTING LIGHTWEIGHT CLOTHING. COVER AS MUCH
OF YOUR SKIN AS POSSIBLE USING MITTENS...EAR MUFFS...SCARF...HAT
AND FACE PROTECTION.

&&

$$

COZ072-074-078>080-087-088-100315-
/O.CAN.KPUB.WW.Y.0026.000000T0000Z-121210T0300Z/
NORTHERN SANGRE DE CRISTO MOUNTAINS BETWEEN 8500 AND 11000 FT-
SOUTHERN SANGRE DE CRISTO MOUNTAINS BETWEEN 7500 AND 11000 FT-
WET MOUNTAIN VALLEY BELOW 8500 FEET-
WET MOUNTAINS BETWEEN 6300 AND 10000 FT-
WET MOUNTAINS ABOVE 10000 FT-
WALSENBURG VICINITY/UPPER HUERFANO RIVER BASIN BELOW 7500 FT-
TRINIDAD VICINITY/WESTERN LAS ANIMAS COUNTY BELOW 7500 FT-
703 PM MST SUN DEC 9 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

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

SNOW HAS ENDED ACROSS THE SANGRE DE CRISTO MOUNTAINS...WET
MOUNTAINS AND WET MOUNTAIN VALLEY...AND THE SOUTHERN I-25 CORRIDOR
OF WALSENBURG TO TRINIDAD. THUS THE WINTER WEATHER ADVISORY HAS
BEEN CANCELLED.

$$

COZ058-060-066-068-082-100815-
/O.NEW.KPUB.WC.Y.0001.121210T0500Z-121210T1500Z/
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-
PIKES PEAK ABOVE 11000 FT-
INCLUDING...CLIMAX...INDEPENDENCE PASS...MT ELBERT...MT MASSIVE...
NORTH PASS...CUMBRES PASS...WOLF CREEK PASS...PIKES PEAK
703 PM MST SUN DEC 9 2012

...WIND CHILL ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 8 AM
MST MONDAY...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 8 AM MST
MONDAY. 

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

* CAUSE AND TIMING...WINDS WILL INCREASE ACROSS THE PEAKS
  OVERNIGHT LEADING TO BITTER COLD WIND CHILLS THROUGH EARLY
  MONDAY MORNING.

* WIND CHILL VALUE...WIND CHILLS WILL DROP TO BETWEEN 20 BELOW AND
  34 BELOW ZERO.  

* IMPACT...FROST BITE CAN OCCUR QUICKLY IF SKIN IS EXPOSED TO
  THESE CONDITION. TAKE PRECAUTIONS TO COVER ALL EXPOSED SKIN.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

WIND CHILL VALUES FROM MINUS 20 TO MINUS 34 DEGREES FAHRENHEIT ARE
EXPECTED.

THESE CONDITIONS CAN FREEZE EXPOSED SKIN WITHIN 30 MINUTES AND
COULD LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN.
WEAR LAYERS OF LOOSE-FITTING LIGHTWEIGHT CLOTHING. COVER AS MUCH
OF YOUR SKIN AS POSSIBLE USING MITTENS...EAR MUFFS...SCARF...HAT
AND FACE PROTECTION.

&&

$$
3 follow-up statements
177 
WWUS45 KPUB 100458
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
958 PM MST SUN DEC 9 2012

COZ058-060-066-068-073-075-082-101200-
/O.CON.KPUB.WC.Y.0001.121210T0500Z-121210T1500Z/
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-
NORTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FEET-
SOUTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FT-
PIKES PEAK ABOVE 11000 FT-
INCLUDING...CLIMAX...INDEPENDENCE PASS...MT ELBERT...MT MASSIVE...
NORTH PASS...CUMBRES PASS...WOLF CREEK PASS...BLANCA PEAK...
SPANISH PEAKS...PIKES PEAK
958 PM MST SUN DEC 9 2012

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST MONDAY. 

* LOCATION...THE EASTERN SAWATCH AND WESTERN MOSQUITO RANGES ABOVE
  11000 FEET...AND THE EASTERN SAN JUAN AND LA GARITA MOUNTAINS
  ABOVE 10000 FEET...PIKES PEAK AND THE SANGRE DE CRISTO MOUNTAINS ABOVE
  11000 FEET.

* CAUSE AND TIMING...WINDS WILL INCREASE ACROSS THE PEAKS 
  OVERNIGHT LEADING TO BITTER COLD WIND CHILLS THROUGH EARLY 
  MONDAY MORNING. 

* WIND CHILL VALUE...WIND CHILLS WILL DROP TO BETWEEN 20 BELOW 
  AND 34 BELOW ZERO. 

* IMPACT...IF YOU MUST BE OUTSIDE...TAKE PRECAUTIONS TO PREVENT FROST BITE
  BY COVERING ALL EXPOSED SKIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WIND CHILL VALUES FROM MINUS 20 TO MINUS 34 DEGREES FAHRENHEIT
ARE EXPECTED.

THESE CONDITIONS CAN FREEZE EXPOSED SKIN WITHIN 30 MINUTES AND
COULD LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN.
WEAR LAYERS OF LOOSE-FITTING LIGHTWEIGHT CLOTHING. COVER AS MUCH
OF YOUR SKIN AS POSSIBLE USING MITTENS...EAR MUFFS...SCARF...HAT
AND FACE PROTECTION.

&&

$$
087 
WWUS45 KPUB 101031
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
331 AM MST MON DEC 10 2012

COZ058-060-066-068-073-075-082-101500-
/O.CON.KPUB.WC.Y.0001.000000T0000Z-121210T1500Z/
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-
NORTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FEET-
SOUTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FT-
PIKES PEAK ABOVE 11000 FT-
INCLUDING...CLIMAX...INDEPENDENCE PASS...MT ELBERT...MT MASSIVE...
NORTH PASS...CUMBRES PASS...WOLF CREEK PASS...BLANCA PEAK...
SPANISH PEAKS...PIKES PEAK
331 AM MST MON DEC 10 2012

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THIS
MORNING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THIS
MORNING. 

* LOCATION...THE EASTERN SAWATCH AND WESTERN MOSQUITO RANGES 
  ABOVE 11000 FEET...AND THE EASTERN SAN JUAN AND LA GARITA 
  MOUNTAINS ABOVE 10000 FEET...PIKES PEAK AND THE SANGRE DE 
  CRISTO MOUNTAINS ABOVE 11000 FEET. 

* CAUSE AND TIMING...OCCASIONALLY GUSTY WINDS WILL CONTINUE OVER
  THE PEAKS EARLY THIS MORNING...LEADING TO BITTER COLD WIND
  CHILLS THROUGH SUNRISE. 

* WIND CHILL VALUE...WIND CHILLS BETWEEN 20 BELOW AND 34 BELOW
  ZERO.

* IMPACT...IF YOU MUST BE OUTSIDE...TAKE PRECAUTIONS TO PREVENT 
  FROST BITE BY COVERING ALL EXPOSED SKIN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WIND CHILL VALUES FROM MINUS 20 TO MINUS 34 DEGREES FAHRENHEIT
ARE EXPECTED.

THESE CONDITIONS CAN FREEZE EXPOSED SKIN WITHIN 30 MINUTES AND
COULD LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN.
WEAR LAYERS OF LOOSE-FITTING LIGHTWEIGHT CLOTHING. COVER AS MUCH
OF YOUR SKIN AS POSSIBLE USING MITTENS...EAR MUFFS...SCARF...HAT
AND FACE PROTECTION.

&&

$$
918 
WWUS45 KPUB 101448
WSWPUB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
748 AM MST MON DEC 10 2012

COZ058-060-066-068-073-075-082-101600-
/O.EXP.KPUB.WC.Y.0001.000000T0000Z-121210T1500Z/
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-
NORTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FEET-
SOUTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 11000 FT-
PIKES PEAK ABOVE 11000 FT-
INCLUDING...CLIMAX...INDEPENDENCE PASS...MT ELBERT...MT MASSIVE...
NORTH PASS...CUMBRES PASS...WOLF CREEK PASS...BLANCA PEAK...
SPANISH PEAKS...PIKES PEAK
748 AM MST MON DEC 10 2012

...WIND CHILL ADVISORY WILL EXPIRE AT 8 AM MST THIS MORNING...

THE WIND CHILL ADVISORY WILL EXPIRE AT 8 AM MST THIS MORNING. 

TEMPERATURES WILL CONTINUE TO INCREASE THROUGH THE MORNING...AND
WIND CHILLS WILL WARM TO ABOVE ZERO VALUES BY MID-MORNING. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 10:29 AM MSTWinter Weather AdvisoryPUBChaffee, Lake, Saguache19 hr

Nearby

Wind Chill Advisories in Colorado, 2012Every wind chill 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.