Alert archive / Colorado / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 245, NWS Pueblo, CO

July 9, 2021Prowers County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 9, 2021, 10:07 PM MDT for Prowers County, Colorado. It was in force for 23 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 9, 2021, 10:07 PM MDT (04:07 UTC)
Expired
Jul 9, 2021, 10:30 PM MDT
In force
23 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Hail
0.75 in
Wind
80.0 mph

County Prowers County, CO

The radar

The Pueblo radar (KPUX), 173 km from the middle of the area, began a volume at 04:10 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 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

Dodge City, (KDDC), launched 00:00Z, 4.1 hours before the alert went out and 217 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, Dodge City, at 00:00Z on 2021-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2169 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, Dodge City, at 00:00Z on 2021-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
2169 J/kg
Mixed-layer CIN
-247 J/kg
Mixed-layer LCL
2362 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

599 
WUUS55 KPUB 100407
SVRPUB
COC099-100430-
/O.NEW.KPUB.SV.W.0245.210710T0407Z-210710T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
1007 PM MDT Fri Jul 9 2021

The National Weather Service in Pueblo has issued a

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

* Until 1030 PM MDT.

* At 1006 PM MDT, a severe thunderstorm was located over Granada, or
  15 miles east of Lamar, moving south at 50 mph.

  This is a very dangerous storm.

  HAZARD...80 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be heavily damaged. Expect 
           considerable damage to roofs, windows, and vehicles. 
           Extensive tree damage and power outages are likely. 
           Blowing dust may reduce visibility to near zero at times. 

* Locations impacted include...
  Holly, Granada and Hartman. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Wind damage with this storm 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 3766 10252 3802 10274 3816 10205 3767 10204
TIME...MOT...LOC 0406Z 350DEG 43KT 3803 10233 

HAIL...<.75IN
WIND...80MPH
 
$$

EP
2 follow-up statements
021 
WWUS55 KPUB 100423
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
1023 PM MDT Fri Jul 9 2021

COC099-100430-
/O.CON.KPUB.SV.W.0245.000000T0000Z-210710T0430Z/
Prowers CO-
1023 PM MDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM MDT
FOR SOUTHERN PROWERS COUNTY...

At 1022 PM MDT, a severe thunderstorm was located 15 miles south of
Granada, or 20 miles southwest of Coolidge, moving south at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees. Blowing dust may 
         reduce visibility to near zero at times. 

This severe thunderstorm will remain over mainly rural areas of
southern Prowers County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Wind damage with this storm 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 3766 10252 3791 10267 3797 10205 3767 10204
TIME...MOT...LOC 0422Z 350DEG 43KT 3784 10229 

HAIL...<.75IN
WIND...60MPH
 
$$

EP
672 
WWUS55 KPUB 100434
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
1034 PM MDT Fri Jul 9 2021

COC099-100443-
/O.EXP.KPUB.SV.W.0245.000000T0000Z-210710T0430Z/
Prowers CO-
1034 PM MDT Fri Jul 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN PROWERS COUNTY HAS
EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.  However gusty
winds are still possible.

A Severe Thunderstorm Watch remains in effect until 100 AM MDT for
southeastern Colorado.

LAT...LON 3766 10252 3791 10267 3797 10205 3767 10204
TIME...MOT...LOC 0433Z 350DEG 43KT 3771 10226 

$$

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, 9:40 PM MDTSevere Thunderstorm WarningPUBKiowa, Prowers35 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.