Alert archive / Colorado / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 244, NWS Pueblo, CO

July 9, 2021Kiowa County, Prowers County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 9, 2021, 9:40 PM MDT for Kiowa County, Prowers County, Colorado. It was in force for 35 min. 5 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 9, 2021, 9:40 PM MDT (03:40 UTC)
Expired
Jul 9, 2021, 10:15 PM MDT
In force
35 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Kiowa County, CO, Prowers County, CO

The radar

The Goodland radar (KGLD), 136 km from the middle of the area, began a volume at 03:41 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 9, 9:41 PM MDTTSTM WND DMG9 N Brandon, CODELAYED REPORT. MULTIPLE GRAIN AUGERS BLOWN OVER. SEVERE CROP DAMAGE. TWO GRAIN BINS WERE DESTROYED WITH DAMAGE TO 3 OTHERS. THIS WAS ASSOCIATED WITH A CLUSTER OF SEVERE THUNDERSTORMS THAT MOVED ACROSS PORTIONS OF KIOWA COUNTY FRIDAY EVENING.
Jul 9, 9:59 PM MDTTSTM WND GST 62Ene Bristol, CO
Jul 9, 9:59 PM MDTTSTM WND GST 866 Wnw Granada, COCORRECTS PREVIOUS TSTM WND GST REPORT FROM 6 WNW GRANADA -- CORRECTED TO CHANGE 959AM TO 959PM MDT. MEASURED WIND GUST OF 86 MPH IN ASSOCIATION WITH A CLUSTER OF STORMS FRIDAY EVENING.
Jul 9, 10:05 PM MDTTSTM WND DMGTowner, COPICTURES OF A DEMOLISHED GARAGE WAS SENT TO THE OFFICE EMAIL. THE COOP OBSERVER ALSO REPORTED 33 BROKEN TELEPHONE POLES ON HIGHWAY 96 AROUND THE TOWN OF TOWNER.
Jul 9, 10:10 PM MDTTSTM WND DMG4 E Sheridan Lake, COWELL BUILT OUTBUILDING BLOWN DOWN, MULTIPLE POWER POLES DOWN, MULTIPLE TREES UPROOTED AND SNAPPED, AN RV ROLLED OVER.

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.

IssuedProductOfficeLasted
Jul 9, 8:37 PM MDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 3.7 hours before the alert went out and 194 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 00:00Z on 2021-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 807 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 00:00Z on 2021-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.19395878Sfc1 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
807 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
3619 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted.

530 
WUUS55 KPUB 100340
SVRPUB
COC061-099-100415-
/O.NEW.KPUB.SV.W.0244.210710T0340Z-210710T0415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
940 PM MDT Fri Jul 9 2021

The National Weather Service in Pueblo has issued a

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

* Until 1015 PM MDT.

* At 939 PM MDT, a severe thunderstorm was located near Chivington,
  or 24 miles southwest of Cheyenne Wells, moving southeast at 40
  mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings. Near zero visibility in blowing 
           dust will be possible as well. 

* Locations impacted include...
  Granada, Sheridan Lake, Hartman, Towner, Bristol, Chivington and
  Brandon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3799 10250 3861 10269 3861 10205 3810 10204
TIME...MOT...LOC 0339Z 334DEG 34KT 3850 10254 

HAIL...1.00IN
WIND...70MPH
 
$$

EP
1 follow-up statement
985 
WWUS55 KPUB 100353
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
953 PM MDT Fri Jul 9 2021

COC061-099-100415-
/O.CON.KPUB.SV.W.0244.000000T0000Z-210710T0415Z/
Prowers CO-Kiowa CO-
953 PM MDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM MDT
FOR NORTHEASTERN PROWERS AND EASTERN KIOWA COUNTIES...

At 952 PM MDT, a severe thunderstorm was located near Brandon, or 22
miles north of Lamar, moving southeast at 40 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. Blowing dust may reduce 
         visibility to near zero at times. 

Locations impacted include...
Granada, Sheridan Lake, Hartman, Towner, Bristol, Chivington and
Brandon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3799 10250 3861 10269 3861 10205 3810 10204
TIME...MOT...LOC 0352Z 334DEG 34KT 3838 10247 

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

EP

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 6:22 PM MDTSpecial Weather StatementPUBPueblo38 min
Jul 9, 9:13 PM MDTSevere Thunderstorm WarningPUBKiowa32 min
Jul 9, 10:07 PM MDTSevere Thunderstorm WarningPUBProwers23 min
Jul 9, 10:31 PM MDTSpecial Weather StatementPUBBaca44 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.