Alert archive / Colorado / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 261, NWS Pueblo, CO

July 18, 2021Bent County, Kiowa County, Prowers County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 18, 2021, 3:23 PM MDT for Bent County, Kiowa County, Prowers County, Colorado. It was in force for 46 min. 1 report 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: Jul 18, 2021, 3:23 PM MDT (21:23 UTC)
Expired: Jul 18, 2021, 4:09 PM MDT
In force: 46 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Bent County, CO, Kiowa County, CO, Prowers County, CO

The radar

The Pueblo radar (KPUX), 134 km from the middle of the area, began a volume at 21:23 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.

What was reported inside it

Time	Report	Where	Remark
Jul 18, 3:29 PM MDT	TSTM WND DMG	Holly, CO	REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN; SHINGLES BLOWN OFF.

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

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 9.4 hours before the alert went out and 206 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: 2 J/kg
Mixed-layer CIN: -396 J/kg
Mixed-layer LCL: 2164 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 31 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

272 
WUUS55 KPUB 182123
SVRPUB
COC011-061-099-182245-
/O.NEW.KPUB.SV.W.0261.210718T2123Z-210718T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
323 PM MDT Sun Jul 18 2021

The National Weather Service in Pueblo has issued a

* Severe Thunderstorm Warning for...
  Prowers County in southeastern Colorado...
  Central Kiowa County in southeastern Colorado...
  Eastern Bent County in southeastern Colorado...

* Until 445 PM MDT.

* At 322 PM MDT, severe thunderstorms were located along a line
  extending from 15 miles northwest of Manter to 16 miles southeast
  of Lamar to 10 miles east of Blue Lake, moving south 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...
  Lamar, Holly, Eads, Granada, Wiley, Haswell, Neeoshe Reservoir,
  McClave, Sweetwater Reservoir, Hasty, Neegronda Reservoir, Queens
  Reservoir, John Martin Reservoir, Caddoa and Fort Lyon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

&&

LAT...LON 3764 10291 3790 10312 3833 10321 3861 10314
      3862 10281 3810 10242 3807 10204 3765 10204
TIME...MOT...LOC 2122Z 007DEG 8KT 3772 10203 3787 10249 3824 10306 

HAIL...1.00IN
WIND...60MPH
 
$$

Cohen

4 follow-up statements

106 
WWUS55 KPUB 182154
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
354 PM MDT Sun Jul 18 2021

COC011-061-099-182245-
/O.CON.KPUB.SV.W.0261.000000T0000Z-210718T2245Z/
Prowers CO-Kiowa CO-Bent CO-
354 PM MDT Sun Jul 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM MDT
FOR SOUTHERN PROWERS...WESTERN KIOWA AND EASTERN BENT COUNTIES...

At 354 PM MDT, severe thunderstorms were located along a line
extending from 12 miles northwest of Manter to 11 miles northeast of
Two Buttes Reservoir to near John Martin Reservoir, moving south 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...
Haswell, Hasty, McClave, John Martin Reservoir, Fort Lyon and Caddoa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

&&

LAT...LON 3764 10291 3790 10312 3833 10321 3861 10314
      3862 10285 3813 10280 3792 10242 3780 10204
      3765 10204
TIME...MOT...LOC 2154Z 007DEG 8KT 3765 10204 3780 10250 3817 10307 

HAIL...1.00IN
WIND...60MPH
 
$$

Cohen

611 
WWUS55 KPUB 182157
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
357 PM MDT Sun Jul 18 2021

COC061-182206-
/O.CAN.KPUB.SV.W.0261.000000T0000Z-210718T2245Z/
Kiowa CO-
357 PM MDT Sun Jul 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN KIOWA COUNTY IS
CANCELLED...

The storms which prompted the warning over Kiowa County have 
weakened. Therefore, the warning has been cancelled for Kiowa County.

LAT...LON 3764 10291 3790 10312 3826 10320 3827 10282
      3813 10280 3792 10242 3780 10204 3765 10204
TIME...MOT...LOC 2156Z 007DEG 8KT 3765 10204 3780 10250 3817 10307 

$$

COC011-099-182245-
/O.CON.KPUB.SV.W.0261.000000T0000Z-210718T2245Z/
Prowers CO-Bent CO-
357 PM MDT Sun Jul 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM MDT
FOR SOUTHERN PROWERS AND EASTERN BENT COUNTIES...

At 356 PM MDT, severe thunderstorms were located along a line
extending from 12 miles northwest of Manter to 12 miles northeast of
Two Buttes Reservoir to 6 miles north of John Martin Reservoir,
moving south 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...
Hasty, McClave, John Martin Reservoir, Fort Lyon and Caddoa. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

&&

LAT...LON 3764 10291 3790 10312 3826 10320 3827 10282
      3813 10280 3792 10242 3780 10204 3765 10204
TIME...MOT...LOC 2156Z 007DEG 8KT 3765 10204 3780 10250 3817 10307 

HAIL...1.00IN
WIND...60MPH
 
$$

Cohen

863 
WWUS55 KPUB 182203
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
403 PM MDT Sun Jul 18 2021

COC011-099-182245-
/O.CON.KPUB.SV.W.0261.000000T0000Z-210718T2245Z/
Prowers CO-Bent CO-
403 PM MDT Sun Jul 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM MDT
FOR SOUTHERN PROWERS AND EASTERN BENT COUNTIES...

At 403 PM MDT, severe thunderstorms were located along a line
extending from 14 miles north of The Saunders Elevator to near Two
Buttes Reservoir to 6 miles south of John Martin Reservoir, moving
south at 20 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...
John Martin Reservoir.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

&&

LAT...LON 3764 10291 3790 10312 3811 10315 3814 10304
      3785 10273 3774 10215 3774 10204 3765 10204
TIME...MOT...LOC 2203Z 008DEG 16KT 3768 10206 3770 10252 3799 10309 

HAIL...1.00IN
WIND...60MPH
 
$$

Cohen

854 
WWUS55 KPUB 182209
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
409 PM MDT Sun Jul 18 2021

COC011-099-182218-
/O.CAN.KPUB.SV.W.0261.000000T0000Z-210718T2245Z/
Prowers CO-Bent CO-
409 PM MDT Sun Jul 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN PROWERS AND EASTERN
BENT COUNTIES IS CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.  However small hail and
gusty winds are still possible with these thunderstorms.

LAT...LON 3764 10291 3790 10312 3811 10315 3814 10304
      3785 10273 3774 10215 3774 10204 3765 10204
TIME...MOT...LOC 2205Z 007DEG 8KT 3768 10206 3770 10252 3799 10309 

$$

Cohen

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 6:03 PM MDT	Special Weather Statement	PUB	Las Animas	27 min
Jul 17, 6:03 PM MDT	Special Weather Statement	PUB	Bent	27 min
Jul 17, 6:16 PM MDT	Special Weather Statement	PUB	El Paso	14 min
Jul 17, 6:25 PM MDT	Special Weather Statement	PUB	Bent	20 min
Jul 17, 6:30 PM MDT	Special Weather Statement	PUB	Pueblo	30 min
Jul 17, 6:47 PM MDT	Special Weather Statement	PUB	Bent	28 min
Jul 17, 6:50 PM MDT	Special Weather Statement	PUB	Pueblo	40 min
Jul 17, 6:59 PM MDT	Special Weather Statement	PUB	Pueblo	31 min
Jul 17, 7:01 PM MDT	Flash Flood Warning Considerable damage threat	PUB	El Paso	3 hr
Jul 17, 7:28 PM MDT	Flash Flood Warning	PUB	Las Animas	3 hr
Jul 17, 7:30 PM MDT	Special Weather Statement	PUB	Pueblo	30 min
Jul 17, 7:42 PM MDT	Special Weather Statement	PUB	Otero	18 min
Jul 17, 7:58 PM MDT	Special Weather Statement	PUB	Otero	32 min
Jul 17, 8:08 PM MDT	Special Weather Statement	PUB	Crowley	22 min
Jul 17, 8:30 PM MDT	Special Weather Statement	PUB	Otero	45 min
Jul 18, 1:42 PM MDT	Special Weather Statement	PUB	Teller	18 min
Jul 18, 1:51 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa	69 min
Jul 18, 2:06 PM MDT	Special Weather Statement	PUB	Prowers	24 min
Jul 18, 2:15 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa, Prowers	75 min
Jul 18, 2:28 PM MDT	Special Weather Statement	PUB	Prowers	32 min
Jul 18, 2:39 PM MDT	Special Weather Statement	PUB	Prowers	21 min
Jul 18, 2:44 PM MDT	Special Weather Statement	PUB	Kiowa	16 min
Jul 18, 3:05 PM MDT	Special Weather Statement	PUB	Kiowa	10 min
Jul 18, 3:06 PM MDT	Special Weather Statement	PUB		24 min
Jul 18, 3:15 PM MDT	Special Weather Statement	PUB	Prowers	45 min
Jul 18, 3:30 PM MDT	Special Weather Statement	PUB	Baca	15 min
Jul 18, 3:45 PM MDT	Special Weather Statement	PUB	Baca	15 min
Jul 18, 3:53 PM MDT	Special Weather Statement	PUB	Baca	52 min
Jul 18, 4:10 PM MDT	Special Weather Statement	PUB	Baca, Bent	35 min
Jul 18, 4:24 PM MDT	Severe Thunderstorm Warning	PUB	Baca	60 min
Jul 18, 4:30 PM MDT	Special Weather Statement	PUB	Crowley	30 min
Jul 18, 4:35 PM MDT	Special Weather Statement	PUB	Otero	25 min
Jul 18, 4:53 PM MDT	Special Weather Statement	PUB	Alamosa	37 min
Jul 18, 5:02 PM MDT	Special Weather Statement	PUB	El Paso, Las Animas, Pueblo	43 min
Jul 18, 5:13 PM MDT	Special Weather Statement	PUB		32 min
Jul 18, 5:26 PM MDT	Special Weather Statement	PUB	Baca	19 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; radar from the NEXRAD Level II archive.