Alert archive / Colorado / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 63, NWS Pueblo, CO

May 21, 20214 counties in Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at May 21, 2021, 5:04 PM MDT for 4 counties in Colorado. It was in force for 26 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
May 21, 2021, 5:04 PM MDT (23:04 UTC)
Expired
May 21, 2021, 5:30 PM MDT
In force
26 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Baca County, CO, Bent County, CO, Las Animas County, CO, Prowers County, CO

The radar

The Pueblo radar (KPUX), 134 km from the middle of the area, began a volume at 23:05 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, 11.1 hours before the alert went out and 241 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 2021-05-21Temperature 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 2021-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.193958Sfc1 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
3153 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

779 
WUUS55 KPUB 212304
SVRPUB
COC009-011-071-099-212330-
/O.NEW.KPUB.SV.W.0063.210521T2304Z-210521T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
504 PM MDT Fri May 21 2021

The National Weather Service in Pueblo has issued a

* Severe Thunderstorm Warning for...
  West central Prowers County in southeastern Colorado...
  Northwestern Baca County in southeastern Colorado...
  East central Las Animas County in southeastern Colorado...
  Southeastern Bent County in southeastern Colorado...

* Until 530 PM MDT.

* At 504 PM MDT, a severe thunderstorm was located 19 miles northwest
  of Pritchett, or 28 miles northwest of Springfield, moving
  northeast at 45 mph.

  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.

* Locations impacted include...
  John Martin Reservoir and Caddoa. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3749 10305 3755 10321 3809 10299 3796 10257
TIME...MOT...LOC 2304Z 205DEG 37KT 3760 10307 

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

MG/EP
1 follow-up statement
437 
WWUS55 KPUB 212319
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
519 PM MDT Fri May 21 2021

COC009-011-071-099-212330-
/O.CON.KPUB.SV.W.0063.000000T0000Z-210521T2330Z/
Prowers CO-Baca CO-Las Animas CO-Bent CO-
519 PM MDT Fri May 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM MDT
FOR WEST CENTRAL PROWERS...NORTHWESTERN BACA...EASTERN LAS ANIMAS AND
SOUTHEASTERN BENT COUNTIES...

At 519 PM MDT, a severe thunderstorm was located 22 miles west of Two
Buttes Reservoir, or 30 miles northwest of Springfield, moving
northeast at 45 mph.

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.

Locations impacted include...
John Martin Reservoir.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3759 10302 3763 10317 3809 10299 3795 10260
TIME...MOT...LOC 2319Z 205DEG 37KT 3774 10299 

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

MG/EP

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 11:18 AM MDTWinter Weather AdvisoryPUBConejos, Mineral, Rio Grande12 hr
May 21, 3:50 PM MDTSpecial Weather StatementPUBLas Animas40 min
May 21, 4:29 PM MDTSpecial Weather StatementPUBBaca31 min
May 21, 4:38 PM MDTSpecial Weather StatementPUBCrowley52 min
May 21, 4:49 PM MDTSpecial Weather StatementPUBBent41 min
May 21, 4:59 PM MDTSpecial Weather StatementPUBBent31 min
May 21, 5:16 PM MDTSevere Thunderstorm WarningPUBCrowley, Kiowa18 min
May 21, 5:29 PM MDTSpecial Weather StatementPUBBent46 min
May 21, 5:30 PM MDTSevere Thunderstorm WarningPUBBent, Prowers14 min
May 21, 5:53 PM MDTSpecial Weather StatementPUBCrowley52 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.