Alert archive / Colorado / Winter Storm Watches in 2021

Winter Storm Watch 3, NWS Pueblo, CO

February 23, 20218 counties in Colorado

NWS Pueblo, CO issued this winter storm watch at Feb 23, 2021, 4:15 AM MST for 8 counties in Colorado. It took effect at Feb 24, 2021, 3:00 PM MST. It was in force for .

The area

The counties it named.

The facts

Issued
Feb 23, 2021, 4:15 AM MST (11:15 UTC)
In effect from
Feb 24, 2021, 3:00 PM MST
Expired
Feb 23, 2021, 3:08 PM MST
In force
Issued by
NWS Pueblo, CO

Counties Costilla County, CO, Custer County, CO, El Paso County, CO, Fremont County, CO, Huerfano County, CO, Las Animas County, CO, Pueblo County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 77 km from the middle of the area, began a volume at 11:19 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 00:00Z, 11.3 hours before the alert went out and 246 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 00:00Z on 2021-02-23Temperature 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 00:00Z on 2021-02-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
2962 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

869 
WWUS45 KPUB 231115
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
415 AM MST Tue Feb 23 2021

COZ084-085-087-231915-
/O.NEW.KPUB.WW.Y.0011.210224T0600Z-210224T1800Z/
/O.NEW.KPUB.WS.A.0003.210224T2200Z-210225T1800Z/
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Feet-
Colorado Springs Vicinity/Southern El Paso County/Rampart Range
Below 7400 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet-
415 AM MST Tue Feb 23 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
11 AM MST WEDNESDAY...
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
THURSDAY MORNING...

* WHAT...For the Winter Weather Advisory, freezing drizzle is
  expected. For the Winter Storm Watch, heavy snow possible. Total
  snow accumulations of over 6 inches is possible.

* WHERE...El Paso and Huerfano Counties.

* WHEN...For the Winter Weather Advisory, from 11 PM this 
  evening to 11 AM MST Wednesday. For the Winter Storm Watch, 
  from Wednesday afternoon through Thursday morning.

* IMPACTS...Freezing drizzle is expected to create icy roads and
  hazardous travel conditions during the Wednesday morning
  commute. Heavy snow accumulations will impact the tail end of
  the Wednesday evening commute and the Thursday morning commute. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

Monitor the latest forecasts for updates on this situation. 

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

&&

$$

COZ083-086-231915-
/O.NEW.KPUB.WW.Y.0011.210224T0600Z-210224T1800Z/
Canon City Vicinity/Eastern Fremont County-
Pueblo Vicinity/Pueblo County Below 6300 Feet-
415 AM MST Tue Feb 23 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
11 AM MST WEDNESDAY...

* WHAT...Freezing drizzle expected.

* WHERE...Eastern Fremont and Pueblo Counties. 

* WHEN...From 11 PM this evening to 11 AM MST Wednesday.

* IMPACTS...Freezing drizzle is expected to create icy roads and
  hazardous travel conditions during the Wednesday morning
  commute.

* ADDITIONAL DETAILS...For Pueblo County, only the western portion
  of the county is expected to be impacted by freezing drizzle.
  Pueblo city is not expected to see impacts. 

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.

&&

$$

COZ074-075-079>082-231915-
/O.NEW.KPUB.WS.A.0003.210224T2200Z-210225T1800Z/
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-
Teller County/Rampart Range Above 7500 Feet/Pikes Peak Between
7500 And 11000 Feet-Pikes Peak Above 11000 Feet-
415 AM MST Tue Feb 23 2021

...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
THURSDAY MORNING...

* WHAT...Heavy snow possible. Total snow accumulations of greater
  than 8 inches possible.

* WHERE...Southern Sangre de Cristo and Wet Mountains.

* WHEN...From Wednesday afternoon through Thursday morning.

* IMPACTS...Travel could be very difficult over high elevation
  roads. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$
2 follow-up statements
487 
WWUS45 KPUB 231651
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
951 AM MST Tue Feb 23 2021

COZ084-085-087-240100-
/O.CON.KPUB.WW.Y.0011.210224T0600Z-210224T1800Z/
/O.CON.KPUB.WS.A.0003.210224T2200Z-210225T1800Z/
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Feet-
Colorado Springs Vicinity/Southern El Paso County/Rampart Range
Below 7400 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet-
951 AM MST Tue Feb 23 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 11 AM MST WEDNESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH THURSDAY MORNING...

* WHAT...For the Winter Weather Advisory, freezing drizzle is
  expected. For the Winter Storm Watch, heavy snow possible. Total
  snow accumulations of over 6 inches possible.

* WHERE...El Paso and Huerfano Counties.

* WHEN...For the Winter Weather Advisory, from 11 PM this 
  evening to 11 AM MST Wednesday. For the Winter Storm Watch, 
  from Wednesday afternoon through Thursday morning.

* IMPACTS...Freezing drizzle is expected to create icy roads and
  hazardous travel conditions during the Wednesday morning
  commute. Heavy snow accumulations will impact the tail end of
  the Wednesday evening commute and the Thursday morning commute. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

Monitor the latest forecasts for updates on this situation. 

&&

$$

COZ083-086-240100-
/O.CON.KPUB.WW.Y.0011.210224T0600Z-210224T1800Z/
Canon City Vicinity/Eastern Fremont County-
Pueblo Vicinity/Pueblo County Below 6300 Feet-
951 AM MST Tue Feb 23 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 11 AM MST WEDNESDAY...

* WHAT...Freezing drizzle expected.

* WHERE...Eastern Fremont and Pueblo Counties.

* WHEN...From 11 PM this evening to 11 AM MST Wednesday.

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

*ADDITIONAL DETAILS...For Pueblo County, only the western portion
  of the county is expected to be impacted by freezing drizzle.
  Pueblo city is not expected to see impacts. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

COZ074-075-079>082-240100-
/O.CON.KPUB.WS.A.0003.210224T2200Z-210225T1800Z/
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-
Teller County/Rampart Range Above 7500 Feet/Pikes Peak Between
7500 And 11000 Feet-Pikes Peak Above 11000 Feet-
951 AM MST Tue Feb 23 2021

...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH THURSDAY MORNING...

* WHAT...Heavy snow possible. Total snow accumulations of 
  greater than 8 inches possible.

* WHERE...Southern Sangre de Cristo and Wet Mountains.

* WHEN...From Wednesday afternoon through Thursday morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$
817 
WWUS45 KPUB 232208
WSWPUB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
308 PM MST Tue Feb 23 2021

COZ084-085-087-240615-
/O.UPG.KPUB.WS.A.0003.210224T2200Z-210225T1800Z/
/O.NEW.KPUB.WW.Y.0012.210225T0000Z-210225T1800Z/
/O.CON.KPUB.WW.Y.0011.210224T0600Z-210224T1800Z/
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Feet-
Colorado Springs Vicinity/Southern El Paso County/Rampart Range
Below 7400 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet-
308 PM MST Tue Feb 23 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM TODAY TO 
11 AM MST WEDNESDAY... 
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM WEDNESDAY TO 11 AM
MST THURSDAY...

* WHAT...For the first Winter Weather Advisory that is in effect
  from 11 PM tonight until 11 AM Wednesday, freezing drizzle is
  expected. For the second Winter Weather Advisory in effect from
  5 PM Wednesday until 11 AM Thursday, snow expected. Total snow
  accumulations of 3 to 5 inches, with locally higher amounts
  possible.

* WHERE...El Paso County, and Huerfano County.

* WHEN...For the first Winter Weather Advisory, from 11 PM tonight
  until 11 AM MST Wednesday. For the second Winter Weather
  Advisory, from 5 PM Wednesday until 11 AM MST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

COZ083-086-240615-
/O.NEW.KPUB.WW.Y.0012.210225T0000Z-210225T1800Z/
/O.CON.KPUB.WW.Y.0011.210224T0600Z-210224T1800Z/
Canon City Vicinity/Eastern Fremont County-
Pueblo Vicinity/Pueblo County Below 6300 Feet-
308 PM MST Tue Feb 23 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM TONIGHT 
TO 11 AM MST WEDNESDAY... 
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM WEDNESDAY TO 11 AM
MST THURSDAY...

* WHAT...For the first Winter Weather Advisory from 11 PM tonight
  until 11 AM Wednesday, freezing drizzle is expected. For the
  second Winter Weather Advisory from 5 PM Wednesday until 11 AM
  Thursday, snow is expected. Total snow accumulations of 3 to 5 
  inches, with locally higher amounts possible.

* WHERE...Eastern Fremont County and Pueblo County.

* WHEN...For the first Winter Weather Advisory, from 11 PM this 
  evening to 11 AM MST Wednesday. For the second Winter Weather 
  Advisory, from 5 PM Wednesday to 11 AM MST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

COZ074-075-079>082-240615-
/O.UPG.KPUB.WS.A.0003.210224T2200Z-210225T1800Z/
/O.NEW.KPUB.WW.Y.0012.210225T0000Z-210225T1800Z/
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-
Teller County/Rampart Range Above 7500 Feet/Pikes Peak Between
7500 And 11000 Feet-Pikes Peak Above 11000 Feet-
308 PM MST Tue Feb 23 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM WEDNESDAY TO 11 AM
MST THURSDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 8 
  inches, with locally higher amounts possible.

* WHERE...The southern Sangre de Cristo and Wet Mountains, Pikes 
  Peak, Teller County and the Rampart Range.

* WHEN...From 5 PM Wednesday to 11 AM MST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

COZ076>078-088-240615-
/O.NEW.KPUB.WW.Y.0012.210225T0000Z-210225T1800Z/
Northwestern Fremont County Above 8500 Feet-
Western/Central Fremont County Below 8500 Feet-
Wet Mountain Valley Below 8500 Feet-
Trinidad Vicinity/Western Las Animas County Below 7500 Feet-
308 PM MST Tue Feb 23 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM WEDNESDAY TO 11 AM
MST THURSDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 5 inches,
  with locally higher amounts possible.

* WHERE...Western and central Fremont County, the Wet Mountain
  Valley, and western Las Animas County.

* WHEN...From 5 PM Wednesday to 11 AM MST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

COZ072-073-240615-
/O.NEW.KPUB.WW.Y.0012.210225T0000Z-210225T1800Z/
Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-
Northern Sangre de Cristo Mountains Above 11000 Feet-
308 PM MST Tue Feb 23 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM WEDNESDAY TO 11 AM
MST THURSDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 5 
  inches.

* WHERE...Northern Sangre de Cristo Mountains.

* WHEN...From 5 PM Wednesday to 11 AM MST Thursday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing 
  snow could significantly reduce visibility. The hazardous 
  conditions could impact the morning or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 23, 4:15 AM MSTWinter Weather AdvisoryPUBCuster, El Paso, Fremont, Huerfano, Pueblo, Teller24 hr
Feb 23, 11:13 AM MSTRed Flag WarningPUBEl Paso, Fremont, Huerfano, Pueblo7 hr
Feb 23, 3:08 PM MSTWinter Weather AdvisoryPUBAlamosa, Chaffee, Costilla, Crowley, Custer, El Paso and 6 more44 hr

Nearby

Winter Storm Watches in Colorado, 2021Every winter storm watch 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.