Alert archive / Colorado / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 287, NWS Pueblo, CO

September 14, 2021Otero County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Sep 14, 2021, 5:45 PM MDT for Otero County, Colorado. It was in force for 75 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Sep 14, 2021, 5:45 PM MDT (23:45 UTC)
Expired: Sep 14, 2021, 7:00 PM MDT
In force: 75 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Damage threat: Considerable
Hail: 2.0 in
Wind: 60.0 mph

County Otero County, CO

What was reported inside it

Time	Report	Where	Remark
Sep 14, 6:14 PM MDT	TSTM WND GST 70	4 S Cheraw, CO
Sep 14, 6:15 PM MDT	TSTM WND DMG	Cheraw, CO	SMALL LIMBS BROKEN OFF OF HEALTHY ELM TREES.
Sep 14, 6:25 PM MDT	TSTM WND DMG	La Junta, CO	DOWNED TREE BRANCHES REPORTED ACROSS LA JUNTA ACCORDING TO LAW ENFORCEMENT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Sep 14, 1:55 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.8 hours before the alert went out and 199 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 17 J/kg
Mixed-layer CIN: -309 J/kg
Mixed-layer LCL: 1437 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 265 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

245 
WUUS55 KPUB 142345
SVRPUB
COC089-150100-
/O.NEW.KPUB.SV.W.0287.210914T2345Z-210915T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
545 PM MDT Tue Sep 14 2021

The National Weather Service in Pueblo has issued a

* Severe Thunderstorm Warning for...
  Northeastern Otero County in southeastern Colorado...

* Until 700 PM MDT.

* At 544 PM MDT, a severe thunderstorm was located over Sugar City,
  or 18 miles northwest of La Junta, moving southeast at 20 mph.

  HAZARD...Two inch hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  Rocky Ford, Cheraw, Swink, La Junta and North La Junta.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3811 10375 3811 10362 3817 10362 3817 10351
      3823 10351 3815 10340 3796 10340 3788 10368
TIME...MOT...LOC 2344Z 320DEG 17KT 3822 10370 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Cohen

4 follow-up statements

403 
WWUS55 KPUB 150003
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
603 PM MDT Tue Sep 14 2021

COC089-150100-
/O.CON.KPUB.SV.W.0287.000000T0000Z-210915T0100Z/
Otero CO-
603 PM MDT Tue Sep 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM MDT
FOR NORTHEASTERN OTERO COUNTY...

At 603 PM MDT, a severe thunderstorm was located near Cheraw, or 9
miles north of La Junta, moving southeast at 30 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Public reported wind damage in the Ordway area.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
La Junta, North La Junta, Rocky Ford, Swink and Cheraw. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3811 10375 3811 10362 3817 10362 3817 10351
      3823 10351 3815 10340 3796 10340 3788 10368
TIME...MOT...LOC 0003Z 317DEG 27KT 3811 10358 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Cohen

737 
WWUS55 KPUB 150020
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
620 PM MDT Tue Sep 14 2021

COC089-150100-
/O.CON.KPUB.SV.W.0287.000000T0000Z-210915T0100Z/
Otero CO-
620 PM MDT Tue Sep 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM MDT
FOR NORTHEASTERN OTERO COUNTY...

At 620 PM MDT, a severe thunderstorm was located near Cheraw, or near
North La Junta, moving southeast at 20 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...La Junta automated weather sensor measured 70 mph winds.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
La Junta, North La Junta, Rocky Ford, Swink and Cheraw. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3811 10375 3811 10362 3817 10362 3817 10351
      3823 10351 3815 10340 3796 10340 3788 10368
TIME...MOT...LOC 0020Z 320DEG 17KT 3805 10351 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Cohen

039 
WWUS55 KPUB 150041
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
641 PM MDT Tue Sep 14 2021

COC089-150100-
/O.CON.KPUB.SV.W.0287.000000T0000Z-210915T0100Z/
Otero CO-
641 PM MDT Tue Sep 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM MDT
FOR EAST CENTRAL OTERO COUNTY...

At 641 PM MDT, a severe thunderstorm was located near North La Junta,
moving southeast at 10 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
La Junta and North La Junta. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3791 10357 3801 10359 3814 10340 3796 10340
TIME...MOT...LOC 0041Z 298DEG 10KT 3801 10342 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Cohen

972 
WWUS55 KPUB 150050
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
650 PM MDT Tue Sep 14 2021

COC089-150100-
/O.EXP.KPUB.SV.W.0287.000000T0000Z-210915T0100Z/
Otero CO-
650 PM MDT Tue Sep 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL OTERO COUNTY WILL
EXPIRE AT 700 PM MDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 900 PM MDT for
southeastern Colorado.

LAT...LON 3791 10357 3801 10359 3814 10340 3796 10340
TIME...MOT...LOC 0050Z 320DEG 17KT 3798 10339 

$$

Cohen

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 14, 12:23 PM MDT	Special Weather Statement	PUB	Fremont	22 min
Sep 14, 1:56 PM MDT	Special Weather Statement	PUB	El Paso	34 min
Sep 14, 2:05 PM MDT	Special Weather Statement	PUB	Teller	25 min
Sep 14, 2:19 PM MDT	Special Weather Statement	PUB	Teller	26 min
Sep 14, 2:33 PM MDT	Severe Thunderstorm Warning	PUB	El Paso	27 min
Sep 14, 2:59 PM MDT	Severe Thunderstorm Warning	PUB	El Paso	46 min
Sep 14, 3:19 PM MDT	Special Weather Statement	PUB	Fremont	26 min
Sep 14, 3:32 PM MDT	Severe Thunderstorm Warning	PUB	El Paso	58 min
Sep 14, 4:16 PM MDT	Special Weather Statement	PUB	Huerfano	44 min
Sep 14, 4:17 PM MDT	Severe Thunderstorm Warning	PUB	Crowley, El Paso, Pueblo	58 min
Sep 14, 4:20 PM MDT	Special Weather Statement	PUB	Pueblo	25 min
Sep 14, 4:34 PM MDT	Special Weather Statement	PUB	Teller	26 min
Sep 14, 4:46 PM MDT	Severe Thunderstorm Warning	PUB	Las Animas	59 min
Sep 14, 4:49 PM MDT	Special Weather Statement	PUB	Costilla	41 min
Sep 14, 4:58 PM MDT	Severe Thunderstorm Warning Considerable damage threat	PUB	Crowley	77 min
Sep 14, 5:12 PM MDT	Special Weather Statement	PUB	Custer	33 min
Sep 14, 5:16 PM MDT	Special Weather Statement	PUB		29 min
Sep 14, 5:37 PM MDT	Special Weather Statement	PUB	Pueblo	38 min
Sep 14, 5:41 PM MDT	Special Weather Statement	PUB	Las Animas	64 min
Sep 14, 5:59 PM MDT	Special Weather Statement	PUB	Bent	46 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2021 Every severe thunderstorm 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.