Alert archive / Colorado / High Wind Watches in 2021

High Wind Watch 5, NWS Pueblo, CO

December 8, 2021Costilla County, Huerfano County, Las Animas County, Colorado

NWS Pueblo, CO issued this high wind watch at Dec 8, 2021, 4:08 AM MST for Costilla County, Huerfano County, Las Animas County, Colorado. It took effect at Dec 8, 2021, 5:00 PM MST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 8, 2021, 4:08 AM MST (11:08 UTC)
In effect from
Dec 8, 2021, 5:00 PM MST
Expired
Dec 8, 2021, 10:32 AM MST
In force
Issued by
NWS Pueblo, CO

Counties Costilla County, CO, Huerfano County, CO, Las Animas County, CO

The radar

The Pueblo radar (KPUX), 127 km from the middle of the area, began a volume at 11:13 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, 11.1 hours before the alert went out and 304 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 2021-12-08Temperature 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, Denver, CO at 00:00Z on 2021-12-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 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
2671 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
106 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.

347 
WWUS75 KPUB 081108
NPWPUB

URGENT - WEATHER MESSAGE
National Weather Service Pueblo CO
408 AM MST Wed Dec 8 2021

COZ074-075-081915-
/O.NEW.KPUB.HW.A.0005.211209T0000Z-211209T1200Z/
Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet-
Southern Sangre de Cristo Mountains Above 11000 Feet-
408 AM MST Wed Dec 8 2021

...HIGH WIND WATCH IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...

* WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph 
  possible.

* WHERE...Southern Sangre de Cristo Mountains.

* WHEN...From this afternoon through late tonight.

* IMPACTS...Damaging winds could blow down trees and power lines.
  Widespread power outages are possible. Travel could be
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$
1 follow-up statement
804 
WWUS75 KPUB 081732
NPWPUB

URGENT - WEATHER MESSAGE
National Weather Service Pueblo CO
1032 AM MST Wed Dec 8 2021

COZ074-075-090145-
/O.UPG.KPUB.HW.A.0005.211209T0000Z-211209T1200Z/
/O.NEW.KPUB.HW.W.0017.211209T0000Z-211209T1200Z/
Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet-
Southern Sangre de Cristo Mountains Above 11000 Feet-
1032 AM MST Wed Dec 8 2021

...HIGH WIND WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM
MST THURSDAY...

* WHAT...Southwest winds 40 to 60 mph with gusts up to 90 mph 
  expected.

* WHERE...The east slopes of the southern Sangre De Cristo
  mountains. The strongest winds will occur generally south of the
  Spanish Peaks. 

* WHEN...From 5 PM this afternoon to 5 AM MST Thursday. The
  strongest winds will occur generally during the 9 pm through 3
  AM time period. 

* IMPACTS...Damaging winds will have the potential to blow down 
  trees and power lines. Power outages may occur. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

Hodanish

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 8, 10:32 AM MSTHigh Wind WarningPUBCostilla, Huerfano, Las Animas18 hr
Dec 8, 12:54 PM MSTWinter Storm WarningPUBChaffee, Conejos, Lake, Mineral, Rio Grande, Saguache52 hr
Dec 8, 12:54 PM MSTWinter Weather AdvisoryPUBChaffee, Lake, Mineral, Rio Grande, Saguache52 hr

Nearby

High Wind Watches in Colorado, 2021Every high wind 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.