Alert archive / Colorado / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 268, NWS Pueblo, CO

July 25, 2021Prowers County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 25, 2021, 5:48 PM MDT for Prowers County, Colorado. It was in force for 55 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
Jul 25, 2021, 5:48 PM MDT (23:48 UTC)
Expired
Jul 25, 2021, 6:43 PM MDT
In force
55 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Prowers County, CO

The radar

The Pueblo radar (KPUX), 158 km from the middle of the area, began a volume at 23:51 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

TimeReportWhereRemark
Jul 25, 6:00 PM MDTHAIL 13 N Bristol, COCORRECTS TIME OF PREVIOUS HAIL REPORT FROM 3 N BRISTOL. PUBLIC REPORTED QUARTER-SIZE HAIL JUST NORTH OF THE BRISTOL AREA.
Jul 25, 6:02 PM MDTHAIL 1.252 Nne Bristol, COTRAINED SPOTTER REPORTED HALF DOLLAR SIZE HAIL WITH STORM THAT MOVED THROUGH THE BRISTOL AREA EARLIER.
Jul 25, 6:18 PM MDTHAIL 13 N Bristol, COPUBLIC REPORTED QUARTER-SIZE HAIL JUST NORTH OF THE BRISTOL AREA.

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, 11.8 hours before the alert went out and 215 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 2021-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 2021-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.1939Sfc1 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
1 J/kg
Mixed-layer CIN
-359 J/kg
Mixed-layer LCL
2126 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
19 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

140 
WUUS55 KPUB 252348
SVRPUB
COC099-260100-
/O.NEW.KPUB.SV.W.0268.210725T2348Z-210726T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
548 PM MDT Sun Jul 25 2021

The National Weather Service in Pueblo has issued a

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

* Until 700 PM MDT.

* At 548 PM MDT, severe thunderstorms were located along a line
  extending from near Lamar to 8 miles north of Bristol, moving east
  at 25 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, Granada, Hartman and Bristol. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3784 10266 3792 10218 3826 10215 3826 10240
      3806 10272
TIME...MOT...LOC 2348Z 273DEG 21KT 3804 10264 3824 10231 

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

Cohen
4 follow-up statements
303 
WWUS55 KPUB 260011
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
611 PM MDT Sun Jul 25 2021

COC099-260100-
/O.CON.KPUB.SV.W.0268.000000T0000Z-210726T0100Z/
Prowers CO-
611 PM MDT Sun Jul 25 2021

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

At 611 PM MDT, severe thunderstorms were located along a line
extending from 13 miles southwest of Granada to Bristol, moving
southeast at 25 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...
Granada, Hartman and Bristol. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3786 10252 3799 10253 3820 10230 3819 10216
      3792 10218
TIME...MOT...LOC 0011Z 297DEG 20KT 3791 10246 3813 10230 

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

Cohen
806 
WWUS55 KPUB 260023
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
623 PM MDT Sun Jul 25 2021

COC099-260100-
/O.CON.KPUB.SV.W.0268.000000T0000Z-210726T0100Z/
Prowers CO-
623 PM MDT Sun Jul 25 2021

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

At 622 PM MDT, severe thunderstorms were located along a line
extending from 11 miles southwest of Granada to Hartman, moving east
at 25 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Trained weather spotters reported half dollar size hail as 
         this storm passed through the Bristol area.

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

Locations impacted include...
Granada, Hartman and Bristol. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3786 10252 3799 10253 3820 10230 3819 10216
      3792 10218
TIME...MOT...LOC 0022Z 273DEG 21KT 3791 10241 3813 10225 

HAIL...1.25IN
WIND...60MPH
 
$$

Cohen
765 
WWUS55 KPUB 260033
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
633 PM MDT Sun Jul 25 2021

COC099-260100-
/O.CON.KPUB.SV.W.0268.000000T0000Z-210726T0100Z/
Prowers CO-
633 PM MDT Sun Jul 25 2021

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

At 633 PM MDT, severe thunderstorms were located along a line
extending from 10 miles south of Granada to near Hartman, moving east
at 25 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...
Granada.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3788 10239 3805 10235 3810 10224 3812 10217
      3792 10218
TIME...MOT...LOC 0033Z 273DEG 21KT 3791 10234 3813 10218 

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

Cohen
000 
WWUS55 KPUB 260043
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
643 PM MDT Sun Jul 25 2021

COC099-260053-
/O.CAN.KPUB.SV.W.0268.000000T0000Z-210726T0100Z/
Prowers CO-
643 PM MDT Sun Jul 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL PROWERS COUNTY 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 3788 10239 3805 10235 3810 10224 3812 10217
      3792 10218
TIME...MOT...LOC 0041Z 273DEG 21KT 3791 10228 3813 10212 

$$

Cohen

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 6:39 PM MDTSpecial Weather StatementPUBAlamosa51 min
Jul 24, 8:49 PM MDTFlash Flood WarningPUBCuster, Saguache92 min
Jul 25, 12:24 PM MDTSpecial Weather StatementPUBHuerfano21 min
Jul 25, 12:31 PM MDTFlash Flood Warning Considerable damage threatPUBCostilla, Huerfano3 hr
Jul 25, 1:09 PM MDTFlash Flood Warning Considerable damage threatPUBHuerfano3 hr
Jul 25, 2:29 PM MDTSpecial Weather StatementPUBKiowa46 min
Jul 25, 2:58 PM MDTSevere Thunderstorm WarningPUBKiowa62 min
Jul 25, 3:21 PM MDTSpecial Weather StatementPUBKiowa39 min
Jul 25, 3:37 PM MDTSevere Thunderstorm WarningPUBKiowa68 min
Jul 25, 4:38 PM MDTSpecial Weather StatementPUBEl Paso52 min
Jul 25, 4:45 PM MDTSpecial Weather StatementPUBChaffee60 min
Jul 25, 4:48 PM MDTSpecial Weather StatementPUBBent, Kiowa57 min
Jul 25, 4:49 PM MDTSpecial Weather StatementPUBFremont56 min
Jul 25, 4:51 PM MDTSpecial Weather StatementPUBTeller39 min
Jul 25, 4:53 PM MDTSpecial Weather StatementPUBDouglas37 min
Jul 25, 5:05 PM MDTSpecial Weather StatementPUBCrowley, Otero, Pueblo40 min
Jul 25, 5:07 PM MDTSpecial Weather StatementPUBEl Paso53 min
Jul 25, 5:09 PM MDTSpecial Weather StatementPUBFremont51 min
Jul 25, 5:15 PM MDTSpecial Weather StatementPUBBaca30 min
Jul 25, 5:55 PM MDTFlash Flood Warning Considerable damage threatPUBFremont, Saguache3 hr
Jul 25, 5:58 PM MDTSpecial Weather StatementPUBBent, Otero, Pueblo47 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2021Every 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.