Alert archive / Colorado / Winter Weather Advisories in 2021

Winter Weather Advisory 21, NWS Pueblo, CO

April 16, 202112 counties in Colorado

NWS Pueblo, CO issued this winter weather advisory at Apr 16, 2021, 3:50 AM MDT for 12 counties in Colorado. It took effect at Apr 16, 2021, 12:00 PM MDT. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued
Apr 16, 2021, 3:50 AM MDT (09:50 UTC)
In effect from
Apr 16, 2021, 12:00 PM MDT
Expired
Apr 17, 2021, 8:53 PM MDT
In force
33 hr
Issued by
NWS Pueblo, CO

Counties Alamosa County, CO, Chaffee County, CO, Conejos County, CO, Costilla County, CO, Custer County, CO, Fremont County, CO, Huerfano County, CO, Las Animas County, CO, Mineral County, CO, Pueblo County, CO, Rio Grande County, CO, Saguache County, CO

The radar

The Pueblo radar (KPUX), 145 km from the middle of the area, began a volume at 09:52 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, 9.8 hours before the alert went out and 289 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 2021-04-16Temperature 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 00:00Z on 2021-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -52 square meters per square second.19395878Sfc1 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
870 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-52 m²/s²
0-3 km storm-relative helicity
-41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

390 
WWUS45 KPUB 160950
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
350 AM MDT Fri Apr 16 2021

COZ085-161100-
/O.CAN.KPUB.WW.Y.0020.000000T0000Z-210416T1500Z/
Colorado Springs Vicinity/Southern El Paso County/Rampart Range
Below 7400 Feet-
350 AM MDT Fri Apr 16 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Snow has mostly come to an end over southern El Paso County, but
there are still some spotty light showers being reported. Roads
are mainly wet as well, but some patchy snow covered roads and 
icy spots remain throughout the area, mainly outside of Colorado 
Springs.

$$

COZ065-066-075-161800-
/O.NEW.KPUB.WW.Y.0021.210416T1800Z-210417T1200Z/
Saguache County East of Continental Divide Below 10000 Feet-
La Garita Mountains Above 10000 Feet-
Southern Sangre de Cristo Mountains Above 11000 Feet-
350 AM MDT Fri Apr 16 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 6 AM MDT
SATURDAY...

* WHAT...Snow expected. Total snow accumulations of 4 to 9 
  inches.

* WHERE...Southern Sangre de Cristo Mountains above 11000 feet and
  the La Garita Mountains.

* WHEN...From noon today to 6 AM MDT Saturday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the evening commute.


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.

&&

$$

COZ081-084-161500-
/O.CON.KPUB.WW.Y.0020.000000T0000Z-210416T1500Z/
Teller County/Rampart Range Above 7500 Feet/Pikes Peak Between
7500 And 11000 Feet-
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Feet-
350 AM MDT Fri Apr 16 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING...

* WHAT...Snow. Additional snow accumulations of up to one inch.

* WHERE...Northern El Paso and Teller Counties.

* WHEN...Until 9 AM MDT this morning.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning commute.

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.

&&

$$
8 follow-up statements
373 
WWUS45 KPUB 161504
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
904 AM MDT Fri Apr 16 2021

COZ081-084-161615-
/O.EXP.KPUB.WW.Y.0020.000000T0000Z-210416T1500Z/
Teller County/Rampart Range Above 7500 Feet/Pikes Peak Between
7500 And 11000 Feet-
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Feet-
904 AM MDT Fri Apr 16 2021

...WINTER WEATHER ADVISORY HAS EXPIRED...

There may be some lingering light snowfall over Teller and
northern El Paso County, but it does not warrant the continuation
of the Winter Weather Advisory, therefore it has been allowed to
expire.

$$

COZ065-066-075-162315-
/O.CON.KPUB.WW.Y.0021.210416T1800Z-210417T1200Z/
Saguache County East of Continental Divide Below 10000 Feet-
La Garita Mountains Above 10000 Feet-
Southern Sangre de Cristo Mountains Above 11000 Feet-
904 AM MDT Fri Apr 16 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
SATURDAY...

* WHAT...Snow expected. Total snow accumulations of 4 to 9 
  inches.

* WHERE...Southern Sangre de Cristo Mountains above 11000 feet and
  the La Garita Mountains.

* WHEN...Until 6 AM MDT Saturday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the evening commute.

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.

&&

$$
746 
WWUS45 KPUB 162117
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
317 PM MDT Fri Apr 16 2021

COZ072>074-170530-
/O.EXB.KPUB.WW.Y.0021.000000T0000Z-210418T0600Z/
Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-
Northern Sangre de Cristo Mountains Above 11000 Feet-
Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet-
317 PM MDT Fri Apr 16 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT MDT SATURDAY
NIGHT...

* WHAT...Snow. Additional snow accumulations of 4 to 10 inches.

* WHERE...Sangre de Cristo Mountains

* WHEN...Until midnight MDT Saturday night.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the evening commute.


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.

&&

$$

COZ067-068-170530-
/O.EXB.KPUB.WW.Y.0021.210417T1200Z-210418T0600Z/
Upper Rio Grande Valley/Eastern San Juan Mountains Below
10000 Feet-Eastern San Juan Mountains Above 10000 Feet-
317 PM MDT Fri Apr 16 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM SATURDAY TO
MIDNIGHT MDT SATURDAY NIGHT...

* WHAT...Snow expected. Total snow accumulations of 4 to 10 
  inches.

* WHERE...Upper Rio Grande River Valley and the eastern San Juan
  Mountains.

* WHEN...From 6 AM Saturday to midnight MDT Saturday night.

* IMPACTS...Travel could be very difficult.

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.

&&

$$

COZ065-066-075-170530-
/O.EXT.KPUB.WW.Y.0021.000000T0000Z-210418T0600Z/
Saguache County East of Continental Divide Below 10000 Feet-
La Garita Mountains Above 10000 Feet-
Southern Sangre de Cristo Mountains Above 11000 Feet-
317 PM MDT Fri Apr 16 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT MDT
SATURDAY NIGHT...

* WHAT...Snow. Additional snow accumulations of 6 to 12 inches.

* WHERE...Sangre de Cristo Mountains below 1000 feet and the La 
  Garita Mountains.

* WHEN...Until midnight MDT Saturday night.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the evening commute.

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.

&&

$$
405 
WWUS45 KPUB 170224
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
824 PM MDT Fri Apr 16 2021

COZ078-087-171030-
/O.EXB.KPUB.WW.Y.0021.000000T0000Z-210417T2100Z/
Wet Mountain Valley Below 8500 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet-
824 PM MDT Fri Apr 16 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 PM MDT SATURDAY...

* WHAT...Snow. Total snow accumulations of 3 to 6 inches.

* WHERE...Wet Mountain Valley Below 8500 Feet and Upper Huerfano
  River Basin Below 7500 Feet.

* WHEN...Until 3 PM MDT Saturday.

* IMPACTS...Plan on slippery road conditions.

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.

&&

$$

COZ069-171030-
/O.EXB.KPUB.WW.Y.0021.000000T0000Z-210417T2100Z/
Del Norte Vicinity/Northern San Luis Valley Below 8500 Feet-
824 PM MDT Fri Apr 16 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 PM MDT SATURDAY...

* WHAT...Snow. Total snow accumulations of 3 to 7 inches.

* WHERE...Northern San Luis Valley Below 8500 Feet.

* WHEN...Until 3 PM MDT Saturday.

* IMPACTS...Plan on slippery road conditions.

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.

&&

$$

COZ079-080-171030-
/O.EXA.KPUB.WW.Y.0021.000000T0000Z-210418T0600Z/
Wet Mountains between 6300 and 10000 Feet-
Wet Mountains Above 10000 Feet-
824 PM MDT Fri Apr 16 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT MDT SATURDAY
NIGHT...

* WHAT...Snow. Total snow accumulations of 4 to 11 inches.

* WHERE...Wet Mountains.

* WHEN...Until midnight MDT Saturday night.

* IMPACTS...Travel could be very difficult.

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.

&&

$$

COZ065-066-072>075-171030-
/O.CON.KPUB.WW.Y.0021.000000T0000Z-210418T0600Z/
Saguache County East of Continental Divide Below 10000 Feet-
La Garita Mountains Above 10000 Feet-
Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-
Northern Sangre de Cristo Mountains Above 11000 Feet-
Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet-
Southern Sangre de Cristo Mountains Above 11000 Feet-
824 PM MDT Fri Apr 16 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
SATURDAY NIGHT...

* WHAT...Snow. Additional snow accumulations of 4 to 12 inches.

* WHERE...Sangre de Cristo and the La Garita Mountains.

* WHEN...Until midnight MDT Saturday night.

* IMPACTS...Travel could be very difficult.

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.

&&

$$

COZ067-068-171030-
/O.CON.KPUB.WW.Y.0021.210417T1200Z-210418T0600Z/
Upper Rio Grande Valley/Eastern San Juan Mountains Below
10000 Feet-Eastern San Juan Mountains Above 10000 Feet-
824 PM MDT Fri Apr 16 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM SATURDAY
TO MIDNIGHT MDT SATURDAY NIGHT...

* WHAT...Snow expected. Total snow accumulations of 4 to 10 
  inches.

* WHERE...Upper Rio Grande River Valley and the eastern San Juan 
  Mountains.

* WHEN...From 6 AM Saturday to midnight MDT Saturday night.

* IMPACTS...Travel could be very difficult.

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.

&&

$$
943 
WWUS45 KPUB 170949
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
349 AM MDT Sat Apr 17 2021

COZ065-066-072>075-079-080-171800-
/O.CON.KPUB.WW.Y.0021.000000T0000Z-210418T0600Z/
Saguache County East of Continental Divide Below 10000 Feet-
La Garita Mountains Above 10000 Feet-
Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-
Northern Sangre de Cristo Mountains Above 11000 Feet-
Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet-
Southern Sangre de Cristo Mountains Above 11000 Feet-
Wet Mountains between 6300 and 10000 Feet-
Wet Mountains Above 10000 Feet-
349 AM MDT Sat Apr 17 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Snow. Additional snow accumulations of 3 to 5 inches for
  the lower elevations and 4 to 8 inches for the higher elevations.

* WHERE...La Garita, Sangre de Cristo, and Wet Mountains.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Plan on slippery road conditions.

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.

&&

$$

COZ067-068-171800-
/O.CON.KPUB.WW.Y.0021.210417T1200Z-210418T0600Z/
Upper Rio Grande Valley/Eastern San Juan Mountains Below
10000 Feet-Eastern San Juan Mountains Above 10000 Feet-
349 AM MDT Sat Apr 17 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Snow expected. Total snow accumulations of 4 to 9 
  inches.

* WHERE...Upper Rio Grande River Valley and the eastern San Juan 
  Mountains.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Travel could be very difficult.

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.

&&

$$

COZ078-087-171800-
/O.CON.KPUB.WW.Y.0021.000000T0000Z-210417T2100Z/
Wet Mountain Valley Below 8500 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet-
349 AM MDT Sat Apr 17 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MDT THIS
AFTERNOON...

* WHAT...Snow. Additional snow accumulations of up to two inches.

* WHERE...Wet Mountain Valley Below 8500 Feet and Upper Huerfano 
  River Basin Below 7500 Feet.

* WHEN...Until 3 PM MDT this afternoon.

* IMPACTS...Plan on slippery road conditions.

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.

&&

$$

COZ069-171800-
/O.CON.KPUB.WW.Y.0021.000000T0000Z-210417T2100Z/
Del Norte Vicinity/Northern San Luis Valley Below 8500 Feet-
349 AM MDT Sat Apr 17 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MDT THIS
AFTERNOON...

* WHAT...Snow. Additional snow accumulations of up to two inches.

* WHERE...Northern San Luis Valley Below 8500 Feet.

* WHEN...Until 3 PM MDT this afternoon.

* IMPACTS...Plan on slippery road conditions.

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.

&&

$$
252 
WWUS45 KPUB 171911
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
111 PM MDT Sat Apr 17 2021

COZ065-066-072>075-079-080-180315-
/O.CON.KPUB.WW.Y.0021.000000T0000Z-210418T0600Z/
Saguache County East of Continental Divide Below 10000 Feet-
La Garita Mountains Above 10000 Feet-
Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-
Northern Sangre de Cristo Mountains Above 11000 Feet-
Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet-
Southern Sangre de Cristo Mountains Above 11000 Feet-
Wet Mountains between 6300 and 10000 Feet-
Wet Mountains Above 10000 Feet-
111 PM MDT Sat Apr 17 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Snow. Additional snow accumulations of 2 to 4 inches.

* WHERE...La Garita, Sangre de Cristo, and Wet Mountains.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Plan on slippery road conditions.

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.

&&

$$

COZ067-068-180315-
/O.CON.KPUB.WW.Y.0021.000000T0000Z-210418T0600Z/
Upper Rio Grande Valley/Eastern San Juan Mountains Below
10000 Feet-Eastern San Juan Mountains Above 10000 Feet-
111 PM MDT Sat Apr 17 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Snow. Additional snow accumulations of 2 to 4 inches.

* WHERE...Upper Rio Grande River Valley and the eastern San Juan
  Mountains.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Plan on slippery road conditions.

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.

&&

$$

COZ078-087-172100-
/O.CON.KPUB.WW.Y.0021.000000T0000Z-210417T2100Z/
Wet Mountain Valley Below 8500 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet-
111 PM MDT Sat Apr 17 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MDT THIS
AFTERNOON...

* WHAT...Snow. Additional snow accumulations of up to one inch.

* WHERE...Wet Mountain Valley Below 8500 Feet and Upper Huerfano 
  River Basin Below 7500 Feet.

* WHEN...Until 3 PM MDT this afternoon.

* IMPACTS...Plan on slippery road conditions.

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.

&&

$$

COZ069-172100-
/O.CON.KPUB.WW.Y.0021.000000T0000Z-210417T2100Z/
Del Norte Vicinity/Northern San Luis Valley Below 8500 Feet-
111 PM MDT Sat Apr 17 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MDT THIS
AFTERNOON...

* WHAT...Snow. Additional snow accumulations of up to one inch.

* WHERE...Northern San Luis Valley Below 8500 Feet.

* WHEN...Until 3 PM MDT this afternoon.

* IMPACTS...Plan on slippery road conditions.

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.

&&

$$
833 
WWUS45 KPUB 172048
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
248 PM MDT Sat Apr 17 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 3PM OVER THE NORTHERN
SAN LUIS VALLEY, THE WET MOUNTAIN VALLEY, AND HUERFANO COUNTY
BELOW 7500 FEET...

Though snow may continue to fall, impacts are expected to be
minimal over the northern San Luis Valley, the Wet Mountain
Valley, and Huerfano County below 7,500 feet, therefore the Winter
Weather Advisory has been allowed to expire. 

COZ078-087-172200-
/O.EXP.KPUB.WW.Y.0021.000000T0000Z-210417T2100Z/
Wet Mountain Valley Below 8500 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet-
Including the cities of Silver Cliff, Westcliffe, and Walsenburg
248 PM MDT Sat Apr 17 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 3 PM MDT THIS
AFTERNOON...

Though snow may continue to fall, impacts are expected to be
minimal overthe Wet Mountain Valley and Huerfano County below 
7,500 feet, therefore the Winter Weather Advisory has been allowed
to expire. 

$$

COZ069-172200-
/O.EXP.KPUB.WW.Y.0021.000000T0000Z-210417T2100Z/
Del Norte Vicinity/Northern San Luis Valley Below 8500 Feet-
Including the cities of Center and Del Norte
248 PM MDT Sat Apr 17 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 3 PM MDT THIS
AFTERNOON...

Though snow may continue to fall, impacts are expected to be
minimal over the northern San Luis Valley, therefore the Winter 
Weather Advisory has been allowed to expire. 

$$

COZ065-066-072>075-079-080-180500-
/O.CON.KPUB.WW.Y.0021.000000T0000Z-210418T0600Z/
Saguache County East of Continental Divide Below 10000 Feet-
La Garita Mountains Above 10000 Feet-
Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-
Northern Sangre de Cristo Mountains Above 11000 Feet-
Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet-
Southern Sangre de Cristo Mountains Above 11000 Feet-
Wet Mountains between 6300 and 10000 Feet-
Wet Mountains Above 10000 Feet-
Including the cities of North Pass, La Veta Pass, Poncha Pass, 
Blanca Peak, Cuchara, Stonewall, Weston, Spanish Peaks, and Rye
248 PM MDT Sat Apr 17 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Snow. Additional snow accumulations of 2 to 4 inches.

* WHERE...La Garita, Sangre de Cristo, and Wet Mountains.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Plan on slippery road conditions.

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.

&&

$$

COZ067-068-180500-
/O.CON.KPUB.WW.Y.0021.000000T0000Z-210418T0600Z/
Upper Rio Grande Valley/Eastern San Juan Mountains Below
10000 Feet-Eastern San Juan Mountains Above 10000 Feet-
Including the cities of South Fork, Creede, Cumbres Pass, 
and Wolf Creek Pass
248 PM MDT Sat Apr 17 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Snow. Additional snow accumulations of 2 to 4 inches.

* WHERE...Upper Rio Grande River Valley and the eastern San Juan 
  Mountains. 

* WHEN...Until midnight MDT tonight.

* IMPACTS...Plan on slippery road conditions.

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.

&&

$$
015 
WWUS45 KPUB 172107
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
307 PM MDT Sat Apr 17 2021

COZ065-066-072>075-079-080-180515-
/O.CON.KPUB.WW.Y.0021.000000T0000Z-210418T0600Z/
Saguache County East of Continental Divide Below 10000 Feet-
La Garita Mountains Above 10000 Feet-
Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-
Northern Sangre de Cristo Mountains Above 11000 Feet-
Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet-
Southern Sangre de Cristo Mountains Above 11000 Feet-
Wet Mountains between 6300 and 10000 Feet-
Wet Mountains Above 10000 Feet-
307 PM MDT Sat Apr 17 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Snow. Additional snow accumulations of up to 3 inches.

* WHERE...La Garita, Sangre de Cristo, and Wet Mountains.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Plan on slippery road conditions.

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.

&&

$$

COZ067-068-180515-
/O.CON.KPUB.WW.Y.0021.000000T0000Z-210418T0600Z/
Upper Rio Grande Valley/Eastern San Juan Mountains Below
10000 Feet-Eastern San Juan Mountains Above 10000 Feet-
307 PM MDT Sat Apr 17 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Snow. Additional snow accumulations of 1 to 3 inches.

* WHERE...Eastern San Juan Mountains.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Plan on slippery road conditions.

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.

&&

$$
509 
WWUS45 KPUB 180253
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
853 PM MDT Sat Apr 17 2021

COZ065>068-072>075-079-080-180400-
/O.CAN.KPUB.WW.Y.0021.000000T0000Z-210418T0600Z/
Saguache County East of Continental Divide Below 10000 Feet-
La Garita Mountains Above 10000 Feet-
Upper Rio Grande Valley/Eastern San Juan Mountains Below
10000 Feet-Eastern San Juan Mountains Above 10000 Feet-
Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-
Northern Sangre de Cristo Mountains Above 11000 Feet-
Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet-
Southern Sangre de Cristo Mountains Above 11000 Feet-
Wet Mountains between 6300 and 10000 Feet-
Wet Mountains Above 10000 Feet-
853 PM MDT Sat Apr 17 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

The moderate to heavy snow has ended, however, light snow showers
may continue through late this evening. Any additional snow 
accumulations are expected to be light.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 6:25 PM MDTSpecial Weather StatementPUBEl Paso50 min
Apr 15, 6:28 PM MDTWinter Weather AdvisoryPUBEl Paso, Fremont, Teller15 hr
Apr 15, 7:05 PM MDTSpecial Weather StatementPUBEl Paso40 min
Apr 15, 7:32 PM MDTSpecial Weather StatementPUBCrowley43 min

Nearby

Winter Weather Advisories in Colorado, 2021Every winter weather advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.