Alert archive / Colorado / Freeze Warnings in 2021

Freeze Warning 3, NWS Pueblo, CO

October 13, 20214 counties in Colorado

NWS Pueblo, CO issued this freeze warning at Oct 13, 2021, 3:01 PM MDT for 4 counties in Colorado. It took effect at Oct 14, 2021, 2:00 AM MDT. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 13, 2021, 3:01 PM MDT (21:01 UTC)
In effect from
Oct 14, 2021, 2:00 AM MDT
Expired
Oct 14, 2021, 7:45 AM MDT
In force
6 hr
Issued by
NWS Pueblo, CO

Counties El Paso County, CO, Huerfano County, CO, Las Animas County, CO, Pueblo County, CO

The radar

The Pueblo radar (KPUX), 58 km from the middle of the area, began a volume at 21:00 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 12:00Z, 9.0 hours before the alert went out and 235 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 12:00Z on 2021-10-13Temperature 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 12:00Z on 2021-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.1939587897117Sfc1 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
1982 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

659 
WWUS75 KPUB 132101
NPWPUB

URGENT - WEATHER MESSAGE
National Weather Service Pueblo CO
301 PM MDT Wed Oct 13 2021

COZ084>088-140515-
/O.NEW.KPUB.FZ.W.0003.211014T0800Z-211014T1500Z/
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Feet-
Colorado Springs Vicinity/Southern El Paso County/Rampart Range
Below 7400 Feet-Pueblo Vicinity/Pueblo County Below 6300 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet-
Trinidad Vicinity/Western Las Animas County Below 7500 Feet-
301 PM MDT Wed Oct 13 2021

...FREEZE WARNING HAS BEEN ISSUED FROM 2 AM TO 9 AM MDT THURSDAY...

* WHAT...Sub-freezing temperatures as low as 27 expected.

* WHERE...Lower Elevations of El Paso, Pueblo, Huerfano, and 
  Eastern Las Animas Counties below 7500 Feet.

* WHEN...From 2 AM to 9 AM MDT Thursday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

* ADDITIONAL DETAILS...Below freezing temperatures will be
  possible for several hours, mainly in lower elevation and low
  lying areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$
3 follow-up statements
106 
WWUS75 KPUB 140306
NPWPUB

URGENT - WEATHER MESSAGE
National Weather Service Pueblo CO
906 PM MDT Wed Oct 13 2021

COZ084>088-141115-
/O.CON.KPUB.FZ.W.0003.211014T0800Z-211014T1500Z/
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Feet-
Colorado Springs Vicinity/Southern El Paso County/Rampart Range
Below 7400 Feet-Pueblo Vicinity/Pueblo County Below 6300 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet-
Trinidad Vicinity/Western Las Animas County Below 7500 Feet-
906 PM MDT Wed Oct 13 2021

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM MDT
THURSDAY...

* WHAT...Low temperatures ranging mostly from 30 to 32 degrees, 
  but a few upper 20 readings possible.

* WHERE...Lower Elevations of El Paso, Pueblo, Huerfano, and 
  Eastern Las Animas Counties below 7500 Feet.

* WHEN...From 2 AM to 9 AM MDT Thursday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. 

&&

$$

Hodanish
454 
WWUS75 KPUB 141036
NPWPUB

URGENT - WEATHER MESSAGE
National Weather Service Pueblo CO
436 AM MDT Thu Oct 14 2021

COZ084>088-141500-
/O.CON.KPUB.FZ.W.0003.000000T0000Z-211014T1500Z/
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Feet-
Colorado Springs Vicinity/Southern El Paso County/Rampart Range
Below 7400 Feet-Pueblo Vicinity/Pueblo County Below 6300 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet-
Trinidad Vicinity/Western Las Animas County Below 7500 Feet-
436 AM MDT Thu Oct 14 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING...

* WHAT...Low temperatures ranging mostly from 30 to 32 degrees, 
  but a few upper 20 readings possible.

* WHERE...Lower Elevations of El Paso, Pueblo, Huerfano, and 
  Eastern Las Animas Counties below 7500 Feet.

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

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$
875 
WWUS75 KPUB 141345
NPWPUB

URGENT - WEATHER MESSAGE
National Weather Service Pueblo CO
745 AM MDT Thu Oct 14 2021

COZ084>088-141445-
/O.CAN.KPUB.FZ.W.0003.000000T0000Z-211014T1500Z/
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Feet-
Colorado Springs Vicinity/Southern El Paso County/Rampart Range
Below 7400 Feet-Pueblo Vicinity/Pueblo County Below 6300 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet-
Trinidad Vicinity/Western Las Animas County Below 7500 Feet-
745 AM MDT Thu Oct 14 2021

...FREEZE WARNING IS CANCELLED...

The threat of any widespread freezing temperatures has lowered at
this time, with temperatures expected to continue rising this
morning.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 12, 6:10 PM MDTSevere Thunderstorm WarningPUBProwers44 min
Oct 12, 6:16 PM MDTSpecial Weather StatementPUBBaca29 min

Nearby

Freeze Warnings in Colorado, 2021Every freeze 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.