Alert archive / Colorado / Winter Storm Warnings in 2021

Winter Storm Warning 10, NWS Pueblo, CO

December 8, 20216 counties in Colorado

NWS Pueblo, CO issued this winter storm warning at Dec 8, 2021, 12:54 PM MST for 6 counties in Colorado. It took effect at Dec 9, 2021, 5:00 AM MST. It was in force for 36 hr. 4 reports 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
Dec 8, 2021, 12:54 PM MST (19:54 UTC)
In effect from
Dec 9, 2021, 5:00 AM MST
Expired
Dec 10, 2021, 5:00 PM MST
In force
36 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 19:53 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
Dec 10, 7:50 AM MSTSNOW 1.72 Ssw Creede, COCOCORAHS STATION CO-MN-6 CREEDE 2.2 SSW.
Dec 10, 8:00 AM MSTSNOW 61 Wnw Climax, COCO-OP OBSERVER STATION CLXC2 CLIMAX.
Dec 10, 9:07 AM MSTSNOW 1.5Creede, CO
Dec 10, 1:06 PM MSTHEAVY SNOW 91 Nnw Monarch Pass, COSTORM TOTAL OVER PAST 48 HOURS.

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 12:00Z, 7.9 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 2021-12-08Temperature 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 2021-12-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
998 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

955 
WWUS45 KPUB 081954
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
1254 PM MST Wed Dec 8 2021

COZ060-068-090400-
/O.UPG.KPUB.WS.A.0010.211209T0600Z-211211T0000Z/
/O.NEW.KPUB.WS.W.0010.211209T1200Z-211211T0000Z/
Eastern Sawatch Mountains Above 11000 Feet-
Eastern San Juan Mountains Above 10000 Feet-
1254 PM MST Wed Dec 8 2021

...WINTER STORM WARNING IN EFFECT FROM 5 AM THURSDAY TO 5 PM MST
FRIDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 10 to 
  20 inches. Winds gusting as high as 55 mph.

* WHERE...Eastern Sawatch Mountains Above 11000 Feet and Eastern
  San Juan Mountains Above 10000 Feet Counties. The heaviest snow
  will fall across the San Juan mountains. 

* WHEN...From 5 AM Thursday to 5 PM MST Friday.

* IMPACTS...Travel could be very difficult to impossible.
  Widespread blowing snow could significantly reduce visibility.  
  The cold wind chills as low as 25 below zero could cause 
  frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ058-090400-
/O.UPG.KPUB.WS.A.0010.211209T0600Z-211211T0000Z/
/O.NEW.KPUB.WW.Y.0031.211209T1200Z-211211T0000Z/
Western Mosquito Range/East Lake County Above 11000 Feet-
1254 PM MST Wed Dec 8 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM THURSDAY TO 5 PM
MST FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 4 to 6 
  inches. Winds gusting as high as 45 mph.

* WHERE...Western Mosquito Range/East Lake County Above 11000 
  Feet County.

* WHEN...From 5 AM Thursday to 5 PM MST Friday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing snow
  could significantly reduce visibility.  The cold wind chills as
  low as 25 below zero could cause frostbite on exposed skin in 
  as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ066-090400-
/O.UPG.KPUB.WS.A.0010.211209T0600Z-211211T0000Z/
/O.NEW.KPUB.WW.Y.0031.211209T1200Z-211211T0000Z/
La Garita Mountains Above 10000 Feet-
1254 PM MST Wed Dec 8 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM THURSDAY TO 5 PM
MST FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 6 
  inches. Winds gusting as high as 50 mph.

* WHERE...La Garita Mountains Above 10000 Feet County.

* WHEN...From 5 AM Thursday to 5 PM MST Friday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing snow
  could significantly reduce visibility. The cold wind chills as 
  low as 20 below zero could cause frostbite on exposed skin in as
  little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ061-090400-
/O.NEW.KPUB.WW.Y.0031.211209T1200Z-211211T0000Z/
Western Chaffee County Between 9000 and 11000 Feet-
1254 PM MST Wed Dec 8 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM THURSDAY TO 5 PM
MST FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 6 to 12 
  inches. Winds gusting as high as 50 mph.

* WHERE...Western Chaffee County Between 9000 and 11000 Feet 
  County.

* WHEN...From 5 AM Thursday to 5 PM MST Friday.

* IMPACTS...Travel could be very difficult. Patchy blowing snow
  could significantly reduce visibility. The cold wind chills as 
  low as 15 below zero could result in hypothermia if precautions 
  are not taken.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

Hodanish
10 follow-up statements
397 
WWUS45 KPUB 082149
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
249 PM MST Wed Dec 8 2021

COZ060-068-090700-
/O.CON.KPUB.WS.W.0010.211209T1200Z-211211T0000Z/
Eastern Sawatch Mountains Above 11000 Feet-
Eastern San Juan Mountains Above 10000 Feet-
249 PM MST Wed Dec 8 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM THURSDAY TO
5 PM MST FRIDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 10 to 
  20 inches. Winds gusting as high as 55 mph.

* WHERE...Eastern Sawatch Mountains Above 11000 Feet and eastern 
  San Juan Mountains Above 10000 Feet. The heaviest snow will fall
  across the San Juan mountains.

* WHEN...From 5 AM Thursday to 5 PM MST Friday.

* IMPACTS...Travel could be very difficult to impossible. 
  Widespread blowing snow could significantly reduce visibility. 
  The cold wind chills as low as 25 below zero could cause 
  frostbite on exposed skin in as little as 30 minutes.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ058-061-090700-
/O.CON.KPUB.WW.Y.0031.211209T1200Z-211211T0000Z/
Western Mosquito Range/East Lake County Above 11000 Feet-
Western Chaffee County Between 9000 and 11000 Feet-
249 PM MST Wed Dec 8 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM THURSDAY
TO 5 PM MST FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 4 to 6 
  inches. Winds gusting as high as 45 mph.

* WHERE...Western Mosquito Range and east Lake County Above 11000
  Feet.

* WHEN...From 5 AM Thursday to 5 PM MST Friday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing 
  snow could significantly reduce visibility. The cold wind 
  chills as low as 25 below zero could cause frostbite on 
  exposed skin in as little as 30 minutes. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ066-090700-
/O.CON.KPUB.WW.Y.0031.211209T1200Z-211211T0000Z/
La Garita Mountains Above 10000 Feet-
249 PM MST Wed Dec 8 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM THURSDAY
TO 5 PM MST FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 6 
  inches. Winds gusting as high as 50 mph.

* WHERE...La Garita Mountains Above 10000 Feet.

* WHEN...From 5 AM Thursday to 5 PM MST Friday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing 
  snow could significantly reduce visibility. The cold wind 
  chills as low as 20 below zero could cause frostbite on 
  exposed skin in as little as 30 minutes.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$
215 
WWUS45 KPUB 090531
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
1031 PM MST Wed Dec 8 2021

COZ060-068-091345-
/O.CON.KPUB.WS.W.0010.211209T1200Z-211211T0000Z/
Eastern Sawatch Mountains Above 11000 Feet-
Eastern San Juan Mountains Above 10000 Feet-
1031 PM MST Wed Dec 8 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM THURSDAY TO
5 PM MST FRIDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 10 to 20 
  inches. Winds gusting as high as 55 mph.

* WHERE...Eastern Sawatch Mountains Above 11000 Feet and Eastern
  San Juan Mountains Above 10000 Feet Counties. The heaviest snow
  will fall across the eastern San Juan mountains.

* WHEN...From 5 AM Thursday to 5 PM MST Friday.

* IMPACTS...Travel could be very difficult to impossible.
  Widespread blowing snow could significantly reduce visibility.
  The cold wind chills as low as 25 below zero could cause 
  frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ058-061-091345-
/O.CON.KPUB.WW.Y.0031.211209T1200Z-211211T0000Z/
Western Mosquito Range/East Lake County Above 11000 Feet-
Western Chaffee County Between 9000 and 11000 Feet-
1031 PM MST Wed Dec 8 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM THURSDAY
TO 5 PM MST FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 4 to 10
  inches. Winds gusting as high as 45 mph.

* WHERE...Western Mosquito Range and East Lake County Above 11000
  Feet and Western Chaffee County Between 9000 and 11000 Feet 
  Counties.

* WHEN...From 5 AM Thursday to 5 PM MST Friday.

* IMPACTS...Travel could be very difficult. Patchy blowing snow
  could significantly reduce visibility. The cold wind chills as
  low as 25 below zero could cause frostbite on exposed skin in 
  as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ066-091345-
/O.CON.KPUB.WW.Y.0031.211209T1200Z-211211T0000Z/
La Garita Mountains Above 10000 Feet-
1031 PM MST Wed Dec 8 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM THURSDAY
TO 5 PM MST FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 7 
  inches. Winds gusting as high as 50 mph.

* WHERE...La Garita Mountains Above 10000 Feet County.

* WHEN...From 5 AM Thursday to 5 PM MST Friday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing snow
  could significantly reduce visibility. The cold wind chills as
  low as 20 below zero could cause frostbite on exposed skin in 
  as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$
149 
WWUS45 KPUB 091111
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
411 AM MST Thu Dec 9 2021

COZ060-068-091915-
/O.CON.KPUB.WS.W.0010.211209T1200Z-211211T0000Z/
Eastern Sawatch Mountains Above 11000 Feet-
Eastern San Juan Mountains Above 10000 Feet-
411 AM MST Thu Dec 9 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST FRIDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 12 to 24
  inches. Winds gusting as high as 55 mph.

* WHERE...Eastern Sawatch Mountains Above 11000 Feet and Eastern
  San Juan Mountains Above 10000 Feet. The heaviest snow will 
  fall across the eastern San Juan mountains.

* WHEN...From 5 AM Today to 5 PM MST Friday.

* IMPACTS...Travel could be very difficult to impossible.
  Widespread blowing snow could significantly reduce visibility.
  Highways over Wolf Creek, Cumbres and Monarch Passes will be 
  snowpacked and icy from mid morning today through Friday. The 
  cold wind chills as low as 30 below zero could cause frostbite 
  on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ058-061-091915-
/O.CON.KPUB.WW.Y.0031.211209T1200Z-211211T0000Z/
Western Mosquito Range/East Lake County Above 11000 Feet-
Western Chaffee County Between 9000 and 11000 Feet-
411 AM MST Thu Dec 9 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 4 to 10 
  inches. Winds gusting as high as 45 mph.

* WHERE...Western Mosquito Range and East Lake County Above 11000
  Feet and Western Chaffee County Between 9000 and 11000 Feet.

* WHEN...From 5 AM Thursday to 5 PM MST Friday.

* IMPACTS...Travel could be very difficult. Patchy blowing snow
  could significantly reduce visibility. Highways over Tennessee
  and Fremont Passes will be snow packed and icy from later this
  morning through Friday. The cold wind chills as low as 30 below
  zero could cause frostbite on exposed skin in as little as 30 
  minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ066-091915-
/O.CON.KPUB.WW.Y.0031.211209T1200Z-211211T0000Z/
La Garita Mountains Above 10000 Feet-
411 AM MST Thu Dec 9 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 7 
  inches. Winds gusting as high as 50 mph.

* WHERE...La Garita Mountains Above 10000 Feet.

* WHEN...From 5 AM Thursday to 5 PM MST Friday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing snow
  could significantly reduce visibility. The cold wind chills as 
  low as 25 below zero could cause frostbite on exposed skin in as
  little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$
890 
WWUS45 KPUB 091806
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
1106 AM MST Thu Dec 9 2021

COZ060-068-100215-
/O.CON.KPUB.WS.W.0010.000000T0000Z-211211T0000Z/
Eastern Sawatch Mountains Above 11000 Feet-
Eastern San Juan Mountains Above 10000 Feet-
1106 AM MST Thu Dec 9 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST FRIDAY...

* WHAT...Heavy snow and blowing snow expected. Total snow 
  accumulations of 20 to 30 inches. Winds gusting as high as 55 
  mph.

* WHERE...Eastern Sawatch Mountains Above 11000 Feet and Eastern 
  San Juan Mountains Above 10000 Feet. The heaviest snow will 
  fall across the eastern San Juan mountains.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Travel could be very difficult to impossible. 
  Widespread blowing snow could significantly reduce visibility. 
  Highways over Wolf Creek, Cumbres and Monarch Passes will be 
  snowpacked and icy from mid morning today through Friday. The 
  cold wind chills as low as 30 below zero could cause frostbite 
  on exposed skin in as little as 30 minutes.

* Additional information...Heavy snow with wind gusts to over 40
  mph were occurring at Wolf Creek Pass at 11 AM Thursday morning.
  CDOT web cams showed Wolf Creek Pass was snow packed. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ058-061-100215-
/O.CON.KPUB.WW.Y.0031.000000T0000Z-211211T0000Z/
Western Mosquito Range/East Lake County Above 11000 Feet-
Western Chaffee County Between 9000 and 11000 Feet-
1106 AM MST Thu Dec 9 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 5 to 10 
  inches. Winds gusting as high as 45 mph.

* WHERE...Western Mosquito Range and East Lake County Above 
  11000 Feet and Western Chaffee County Between 9000 and 11000 
  Feet.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Travel could be very difficult. Patchy blowing snow 
  could significantly reduce visibility. Highways over Tennessee 
  and Fremont Passes will be snow packed and icy from later this 
  morning through Friday. The cold wind chills as low as 30 
  below zero could cause frostbite on exposed skin in as little 
  as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ066-100215-
/O.CON.KPUB.WW.Y.0031.000000T0000Z-211211T0000Z/
La Garita Mountains Above 10000 Feet-
1106 AM MST Thu Dec 9 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 4 to 8 
  inches. Winds gusting as high as 50 mph.

* WHERE...La Garita Mountains Above 10000 Feet.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing 
  snow could significantly reduce visibility. The cold wind 
  chills as low as 25 below zero could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

Hodanish
688 
WWUS45 KPUB 092154
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
254 PM MST Thu Dec 9 2021

COZ060-068-100600-
/O.CON.KPUB.WS.W.0010.000000T0000Z-211211T0000Z/
Eastern Sawatch Mountains Above 11000 Feet-
Eastern San Juan Mountains Above 10000 Feet-
254 PM MST Thu Dec 9 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST FRIDAY...

* WHAT...Heavy snow and blowing snow expected. Total snow 
  accumulations of 20 to 30 inches. Winds gusting as high as 55 
  mph.

* WHERE...Eastern Sawatch Mountains Above 11000 Feet and Eastern 
  San Juan Mountains Above 10000 Feet. The heaviest snow will 
  fall across the eastern San Juan mountains.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Travel could be very difficult. Widespread blowing 
  snow could significantly reduce visibility. Highways over Wolf 
  Creek, Cumbres and Monarch Passes will be snowpacked and icy 
  through Friday. The cold wind chills as low as 30 below zero 
  could cause frostbite on exposed skin in as little as 30 
  minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ058-061-100600-
/O.CON.KPUB.WW.Y.0031.000000T0000Z-211211T0000Z/
Western Mosquito Range/East Lake County Above 11000 Feet-
Western Chaffee County Between 9000 and 11000 Feet-
254 PM MST Thu Dec 9 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 5 to 10 
  inches. Winds gusting as high as 45 mph.

* WHERE...Western Mosquito Range and East Lake County Above 
  11000 Feet and Western Chaffee County Between 9000 and 11000 
  Feet.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Travel could be very difficult. Patchy blowing snow 
  could significantly reduce visibility. Highways over Tennessee 
  and Fremont Passes will be snow packed and icy from later this 
  morning through Friday. The cold wind chills as low as 30 
  below zero could cause frostbite on exposed skin in as little 
  as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ066-100600-
/O.CON.KPUB.WW.Y.0031.000000T0000Z-211211T0000Z/
La Garita Mountains Above 10000 Feet-
254 PM MST Thu Dec 9 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 4 to 8 
  inches. Winds gusting as high as 50 mph.

* WHERE...La Garita Mountains Above 10000 Feet.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing 
  snow could significantly reduce visibility. The cold wind 
  chills as low as 25 below zero could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

Hodanish
355 
WWUS45 KPUB 100548
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
1048 PM MST Thu Dec 9 2021

COZ060-068-101400-
/O.CON.KPUB.WS.W.0010.000000T0000Z-211211T0000Z/
Eastern Sawatch Mountains Above 11000 Feet-
Eastern San Juan Mountains Above 10000 Feet-
1048 PM MST Thu Dec 9 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST FRIDAY...

* WHAT...Heavy snow and blowing snow expected. Total snow 
  accumulations of 20 to 30 inches. Winds gusting as high as 55 
  mph.

* WHERE...Eastern Sawatch Mountains Above 11000 Feet and eastern 
  San Juan Mountains Above 10000 Feet. The heaviest snow will fall
  across the eastern San Juan mountains.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Travel could be very difficult. Widespread blowing 
  snow could significantly reduce visibility. Highways over Wolf 
  Creek, Cumbres and Monarch Passes will be snowpacked and icy 
  through Friday. The cold wind chills as low as 30 below zero 
  could cause frostbite on exposed skin in as little as 30 
  minutes.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ058-061-101400-
/O.CON.KPUB.WW.Y.0031.000000T0000Z-211211T0000Z/
Western Mosquito Range/East Lake County Above 11000 Feet-
Western Chaffee County Between 9000 and 11000 Feet-
1048 PM MST Thu Dec 9 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 5 to 10 
  inches. Winds gusting as high as 45 mph.

* WHERE...Western Mosquito Range and east Lake County Above 11000
  Feet, and Western Chaffee County Between 9000 and 11000 Feet.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Travel could be very difficult. Patchy blowing snow 
  could significantly reduce visibility. Highways over Tennessee 
  and Fremont Passes will be snow packed and icy from later this 
  morning through Friday. The cold wind chills as low as 30 
  below zero could cause frostbite on exposed skin in as little 
  as 30 minutes.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ066-101400-
/O.CON.KPUB.WW.Y.0031.000000T0000Z-211211T0000Z/
La Garita Mountains Above 10000 Feet-
1048 PM MST Thu Dec 9 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 4 to 8 
  inches. Winds gusting as high as 50 mph.

* WHERE...La Garita Mountains Above 10000 Feet.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing 
  snow could significantly reduce visibility. The cold wind 
  chills as low as 25 below zero could cause frostbite on 
  exposed skin in as little as 30 minutes.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$
664 
WWUS45 KPUB 101042
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
342 AM MST Fri Dec 10 2021

COZ060-068-101845-
/O.CON.KPUB.WS.W.0010.000000T0000Z-211211T0000Z/
Eastern Sawatch Mountains Above 11000 Feet-
Eastern San Juan Mountains Above 10000 Feet-
342 AM MST Fri Dec 10 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Heavy snow and blowing snow expected. An additional 2 to
  4 inches of snowfall today, bringing storm total snow
  accumulations to 12 to 24 inches. Winds gusting as high as 55 
  mph.

* WHERE...Eastern Sawatch Mountains Above 11000 Feet and eastern 
  San Juan Mountains Above 10000 Feet. The heaviest snow will 
  fall across the eastern San Juan mountains.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Travel could be very difficult. Patchy blowing snow
  could significantly reduce visibility. The dangerously cold 
  wind chills as low as 30 below zero could cause frostbite on 
  exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ058-061-101845-
/O.CON.KPUB.WW.Y.0031.000000T0000Z-211211T0000Z/
Western Mosquito Range/East Lake County Above 11000 Feet-
Western Chaffee County Between 9000 and 11000 Feet-
342 AM MST Fri Dec 10 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Snow expected. An additional 1 to 3 inches of snowfall
  today, bringing storm total snow accumulations to 5 to 10 
  inches. Winds gusting as high as 45 mph.

* WHERE...Western Mosquito Range and east Lake County Above 
  11000 Feet, and Western Chaffee County Between 9000 and 11000 
  Feet.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing snow
  could significantly reduce visibility. The dangerously cold 
  wind chills as low as 30 below zero could cause frostbite on 
  exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ066-101845-
/O.CON.KPUB.WW.Y.0031.000000T0000Z-211211T0000Z/
La Garita Mountains Above 10000 Feet-
342 AM MST Fri Dec 10 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Snow expected. An additional 1 to 3 inches of snowfall
  today, bringing storm total snow accumulations to 4 to 8 
  inches. Winds gusting as high as 50 mph.

* WHERE...La Garita Mountains Above 10000 Feet.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing snow
  could significantly reduce visibility. The cold wind chills as 
  low as 30 below zero could cause frostbite on exposed skin in as
  little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$
121 
WWUS45 KPUB 101755
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
1055 AM MST Fri Dec 10 2021

COZ060-068-110000-
/O.CON.KPUB.WS.W.0010.000000T0000Z-211211T0000Z/
Eastern Sawatch Mountains Above 11000 Feet-
Eastern San Juan Mountains Above 10000 Feet-
1055 AM MST Fri Dec 10 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Heavy snow and blowing snow expected. An additional 2 to
  4 inches of snowfall today, bringing storm total snow
  accumulations to 12 to 28 inches. Winds gusting as high as 55 
  mph.

* WHERE...Eastern Sawatch Mountains Above 11000 Feet and eastern 
  San Juan Mountains Above 10000 Feet. The heaviest snow will 
  fall across the eastern San Juan mountains.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Travel could be very difficult. Patchy blowing snow 
  could significantly reduce visibility. The dangerously cold 
  wind chills as low as 30 below zero could cause frostbite on 
  exposed skin in as little as 10 minutes.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ058-061-110000-
/O.CON.KPUB.WW.Y.0031.000000T0000Z-211211T0000Z/
Western Mosquito Range/East Lake County Above 11000 Feet-
Western Chaffee County Between 9000 and 11000 Feet-
1055 AM MST Fri Dec 10 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Snow expected. An additional 1 to 3 inches of snowfall 
  today, bringing storm total snow accumulations to 5 to 10 
  inches. Winds gusting as high as 45 mph.

* WHERE...Western Mosquito Range and east Lake County Above 
  11000 Feet, and Western Chaffee County Between 9000 and 11000 
  Feet.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing snow
  could significantly reduce visibility. The dangerously cold wind
  chills as low as 30 below zero could cause frostbite on exposed
  skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ066-110000-
/O.CON.KPUB.WW.Y.0031.000000T0000Z-211211T0000Z/
La Garita Mountains Above 10000 Feet-
1055 AM MST Fri Dec 10 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Snow expected. An additional 1 to 3 inches of snowfall 
  today, bringing storm total snow accumulations to 4 to 8 
  inches. Winds gusting as high as 50 mph.

* WHERE...La Garita Mountains Above 10000 Feet.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing snow
  could significantly reduce visibility. The cold wind chills as
  low as 30 below zero could cause frostbite on exposed skin in as
  little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$
520 
WWUS45 KPUB 102145
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
245 PM MST Fri Dec 10 2021

COZ060-068-110000-
/O.CON.KPUB.WS.W.0010.000000T0000Z-211211T0000Z/
Eastern Sawatch Mountains Above 11000 Feet-
Eastern San Juan Mountains Above 10000 Feet-
245 PM MST Fri Dec 10 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Heavy snow and blowing snow expected. An additional 2 
  to 4 inches of snowfall today, bringing storm total snow 
  accumulations to 12 to 28 inches. Winds gusting as high as 55 
  mph.

* WHERE...Eastern Sawatch Mountains Above 11000 Feet and eastern 
  San Juan Mountains Above 10000 Feet. The heaviest snow will 
  fall across the eastern San Juan mountains.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Travel could be very difficult. Patchy blowing snow 
  could significantly reduce visibility. The dangerously cold 
  wind chills as low as 30 below zero could cause frostbite on 
  exposed skin in as little as 10 minutes.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ058-061-110000-
/O.CON.KPUB.WW.Y.0031.000000T0000Z-211211T0000Z/
Western Mosquito Range/East Lake County Above 11000 Feet-
Western Chaffee County Between 9000 and 11000 Feet-
245 PM MST Fri Dec 10 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Snow expected. An additional 1 to 3 inches of snowfall 
  today, bringing storm total snow accumulations to 5 to 10 
  inches. Winds gusting as high as 45 mph.

* WHERE...Western Mosquito Range and east Lake County Above 
  11000 Feet, and Western Chaffee County Between 9000 and 11000 
  Feet.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing 
  snow could significantly reduce visibility. The dangerously 
  cold wind chills as low as 30 below zero could cause frostbite 
  on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

COZ066-110000-
/O.CON.KPUB.WW.Y.0031.000000T0000Z-211211T0000Z/
La Garita Mountains Above 10000 Feet-
245 PM MST Fri Dec 10 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Snow expected. An additional 1 to 3 inches of snowfall 
  today, bringing storm total snow accumulations to 4 to 8 
  inches. Winds gusting as high as 50 mph.

* WHERE...La Garita Mountains Above 10000 Feet.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing 
  snow could significantly reduce visibility. The cold wind 
  chills as low as 30 below zero could cause frostbite on 
  exposed skin in as little as 30 minutes.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$
963 
WWUS45 KPUB 102348
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
448 PM MST Fri Dec 10 2021

COZ060-068-110100-
/O.EXP.KPUB.WS.W.0010.000000T0000Z-211211T0000Z/
Eastern Sawatch Mountains Above 11000 Feet-
Eastern San Juan Mountains Above 10000 Feet-
448 PM MST Fri Dec 10 2021

...WINTER STORM WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON...

Snow has decreased across the across the area, therefore the
Winter Storm Warnings will be allowed to expire. 

$$

COZ058-061-110100-
/O.EXP.KPUB.WW.Y.0031.000000T0000Z-211211T0000Z/
Western Mosquito Range/East Lake County Above 11000 Feet-
Western Chaffee County Between 9000 and 11000 Feet-
448 PM MST Fri Dec 10 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 5 PM MST THIS
AFTERNOON...

Snow has decreased across the region, therefore the Winter 
Weather Advisories will be allowed to expire.

$$

COZ066-110100-
/O.EXP.KPUB.WW.Y.0031.000000T0000Z-211211T0000Z/
La Garita Mountains Above 10000 Feet-
448 PM MST Fri Dec 10 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 5 PM MST THIS
AFTERNOON...

Snow has diminished across the area therefore the Winter Weather
Advisory will be allowed to expire.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 8, 4:08 AM MSTHigh Wind WatchPUBCostilla, Huerfano, Las Animas6 hr
Dec 8, 10:32 AM MSTHigh Wind WarningPUBCostilla, Huerfano, Las Animas18 hr
Dec 8, 12:54 PM MSTWinter Weather AdvisoryPUBChaffee, Lake, Mineral, Rio Grande, Saguache52 hr

Nearby

Winter Storm Warnings in Colorado, 2021Every winter storm warning in 2021

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.