Alert archive / Colorado / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 269, NWS Pueblo, CO

July 31, 2021Baca County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 31, 2021, 5:55 PM MDT for Baca County, Colorado. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 31, 2021, 5:55 PM MDT (23:55 UTC)
Expired
Jul 31, 2021, 6:30 PM MDT
In force
35 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Baca County, CO

The radar

The Pueblo radar (KPUX), 194 km from the middle of the area, began a volume at 23:55 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.9 hours before the alert went out and 234 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, Amarillo Airport, TX at 12:00Z on 2021-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 387 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 2021-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
387 J/kg
Mixed-layer CIN
-124 J/kg
Mixed-layer LCL
1831 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
38 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

842 
WUUS55 KPUB 312355
SVRPUB
COC009-010030-
/O.NEW.KPUB.SV.W.0269.210731T2355Z-210801T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
555 PM MDT Sat Jul 31 2021

The National Weather Service in Pueblo has issued a

* Severe Thunderstorm Warning for...
  Southwestern Baca County in southeastern Colorado...

* Until 630 PM MDT.

* At 554 PM MDT, a severe thunderstorm was located 8 miles northwest
  of Campo, or 16 miles south of Springfield, and is nearly
  stationary.

  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...
  Campo.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3725 10252 3711 10255 3704 10289 3726 10289
TIME...MOT...LOC 2354Z 092DEG 4KT 3718 10270 

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

MG/KM
3 follow-up statements
895 
WWUS55 KPUB 010007
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
607 PM MDT Sat Jul 31 2021

COC009-010030-
/O.CON.KPUB.SV.W.0269.000000T0000Z-210801T0030Z/
Baca CO-
607 PM MDT Sat Jul 31 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM MDT
FOR SOUTHWESTERN BACA COUNTY...

At 606 PM MDT, a severe thunderstorm was located 9 miles northwest of
Campo, or 16 miles south of Springfield, and is nearly stationary.

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

SOURCE...Radar indicated.

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

This severe thunderstorm will remain over mainly rural areas of
southwestern Baca County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3724 10263 3710 10263 3704 10289 3724 10287
TIME...MOT...LOC 0006Z 092DEG 4KT 3718 10272 

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

MG/KM
507 
WWUS55 KPUB 010015
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
615 PM MDT Sat Jul 31 2021

COC009-010030-
/O.CON.KPUB.SV.W.0269.000000T0000Z-210801T0030Z/
Baca CO-
615 PM MDT Sat Jul 31 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM MDT
FOR SOUTHWESTERN BACA COUNTY...

At 615 PM MDT, a severe thunderstorm was located 10 miles northwest
of Campo, or 16 miles south of Springfield, and is nearly stationary.

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.

This severe thunderstorm will remain over mainly rural areas of
southwestern Baca County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3723 10265 3710 10266 3708 10289 3724 10287
TIME...MOT...LOC 0015Z 092DEG 4KT 3718 10273 

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

MG
877 
WWUS55 KPUB 010021
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
621 PM MDT Sat Jul 31 2021

COC009-010031-
/O.EXP.KPUB.SV.W.0269.000000T0000Z-210801T0030Z/
Baca CO-
621 PM MDT Sat Jul 31 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN BACA COUNTY WILL
EXPIRE AT 630 PM MDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However heavy rain
is still possible with this thunderstorm.

LAT...LON 3723 10265 3710 10266 3708 10289 3724 10287
TIME...MOT...LOC 0021Z 092DEG 4KT 3718 10274 

$$

MG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 6:13 PM MDTSpecial Weather StatementPUBDouglas17 min
Jul 31, 12:57 PM MDTSpecial Weather StatementPUBCostilla63 min
Jul 31, 1:12 PM MDTSpecial Weather StatementPUBCuster33 min
Jul 31, 1:39 PM MDTFlash Flood WarningPUBFremont3 hr
Jul 31, 1:56 PM MDTSpecial Weather StatementPUBCuster49 min
Jul 31, 1:59 PM MDTSpecial Weather StatementPUBChaffee46 min
Jul 31, 2:01 PM MDTSpecial Weather StatementPUBChaffee44 min
Jul 31, 2:12 PM MDTRiver Flood WatchPUBPueblo18 hr
Jul 31, 2:12 PM MDTRiver Flood WatchPUBPueblo15 hr
Jul 31, 2:12 PM MDTRiver Flood WatchPUBPueblo13 hr
Jul 31, 2:13 PM MDTSpecial Weather StatementPUBConejos32 min
Jul 31, 2:36 PM MDTFlash Flood Warning Considerable damage threatPUBChaffee3 hr
Jul 31, 2:38 PM MDTFlash Flood WarningPUBCuster118 min
Jul 31, 2:48 PM MDTFlash Flood WarningPUBChaffee3 hr
Jul 31, 3:11 PM MDTSpecial Weather StatementPUBConejos34 min
Jul 31, 3:22 PM MDTSpecial Weather StatementPUBSaguache38 min
Jul 31, 3:25 PM MDTSpecial Weather StatementPUBAlamosa35 min
Jul 31, 3:30 PM MDTSpecial Weather StatementPUBRio Grande45 min
Jul 31, 3:39 PM MDTSpecial Weather StatementPUBLas Animas36 min
Jul 31, 3:43 PM MDTSpecial Weather StatementPUBBaca32 min
Jul 31, 3:56 PM MDTSpecial Weather StatementPUBHuerfano49 min
Jul 31, 4:05 PM MDTSpecial Weather StatementPUBEl Paso25 min
Jul 31, 4:31 PM MDTFlash Flood WarningPUBEl Paso3 hr
Jul 31, 4:46 PM MDTFlash Flood Warning Considerable damage threatPUBHuerfano4 hr
Jul 31, 4:50 PM MDTFlash Flood Warning Considerable damage threatPUBCuster, Pueblo3 hr
Jul 31, 4:59 PM MDTSpecial Weather StatementPUBBaca31 min
Jul 31, 5:03 PM MDTFlash Flood WarningPUBCuster, Huerfano, Pueblo3 hr
Jul 31, 5:13 PM MDTFlash Flood Warning Considerable damage threatPUBCostilla, Huerfano4 hr
Jul 31, 5:28 PM MDTSpecial Weather StatementPUBBaca32 min
Jul 31, 5:29 PM MDTSpecial Weather StatementPUBBaca46 min
Jul 31, 5:35 PM MDTFlash Flood WarningPUBEl Paso3 hr
Jul 31, 5:43 PM MDTFlash Flood Warning Considerable damage threatPUBCostilla, Huerfano3 hr
Jul 31, 5:45 PM MDTSpecial Weather StatementPUBBaca30 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.