Alert archive / Colorado / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 240, NWS Pueblo, CO

July 6, 2021Custer County, Fremont County, Saguache County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 6, 2021, 3:50 PM MDT for Custer County, Fremont County, Saguache County, Colorado. It was in force for 25 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 6, 2021, 3:50 PM MDT (21:50 UTC)
Expired
Jul 6, 2021, 4:15 PM MDT
In force
25 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Custer County, CO, Fremont County, CO, Saguache County, CO

The radar

The Pueblo radar (KPUX), 121 km from the middle of the area, began a volume at 21:51 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.

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 9.8 hours before the alert went out and 269 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 2021-07-06Temperature 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 2021-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -41 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1241 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-41 m²/s²
0-3 km storm-relative helicity
11 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

379 
WUUS55 KPUB 062150
SVRPUB
COC027-043-109-062215-
/O.NEW.KPUB.SV.W.0240.210706T2150Z-210706T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
350 PM MDT Tue Jul 6 2021

The National Weather Service in Pueblo has issued a

* Severe Thunderstorm Warning for...
  South central Fremont County in central Colorado...
  Northwestern Custer County in southeastern Colorado...
  Eastern Saguache County in central Colorado...

* Until 415 PM MDT.

* At 350 PM MDT, a severe thunderstorm was located 9 miles south of
  Texas Creek, or 12 miles east of Hayden Pass Burn Scar, moving
  south at 15 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...
  Silver Cliff, Westcliffe and Hillside. 

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 3835 10558 3830 10541 3809 10544 3819 10572
TIME...MOT...LOC 2150Z 017DEG 12KT 3826 10555 

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

kam
2 follow-up statements
224 
WWUS55 KPUB 062203
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
403 PM MDT Tue Jul 6 2021

COC109-062213-
/O.CAN.KPUB.SV.W.0240.000000T0000Z-210706T2215Z/
Saguache CO-
403 PM MDT Tue Jul 6 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN SAGUACHE COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3812 10544 3826 10566 3835 10558 3830 10541
TIME...MOT...LOC 2203Z 209DEG 6KT 3831 10552 

$$

COC027-043-062215-
/O.CON.KPUB.SV.W.0240.000000T0000Z-210706T2215Z/
Fremont CO-Custer CO-
403 PM MDT Tue Jul 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM MDT
FOR SOUTH CENTRAL FREMONT AND NORTH CENTRAL CUSTER COUNTIES...

At 403 PM MDT, a severe thunderstorm was located 7 miles southeast of
Texas Creek, or 13 miles east of Hayden Pass Burn Scar, moving
northeast at 5 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...
Silver Cliff, Westcliffe and Hillside. 

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 3812 10544 3826 10566 3835 10558 3830 10541
TIME...MOT...LOC 2203Z 209DEG 6KT 3831 10552 

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

kam
965 
WWUS55 KPUB 062209
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
409 PM MDT Tue Jul 6 2021

COC027-043-062218-
/O.EXP.KPUB.SV.W.0240.000000T0000Z-210706T2215Z/
Fremont CO-Custer CO-
409 PM MDT Tue Jul 6 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL FREMONT AND
NORTH CENTRAL CUSTER COUNTIES WILL EXPIRE AT 415 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 small hail
and heavy rain are still possible with this thunderstorm.

LAT...LON 3812 10544 3826 10566 3835 10558 3830 10541
TIME...MOT...LOC 2208Z 017DEG 12KT 3829 10553 

$$

kam

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 2:46 AM MDTFlash Flood WatchPUBAlamosa, Chaffee, Costilla, Custer, Fremont, Huerfano and 5 more22 hr
Jul 6, 12:23 PM MDTSpecial Weather StatementPUBOtero52 min
Jul 6, 12:39 PM MDTSpecial Weather StatementPUBKiowa36 min
Jul 6, 12:40 PM MDTSpecial Weather StatementPUBPueblo35 min
Jul 6, 1:11 PM MDTSpecial Weather StatementPUBKiowa34 min
Jul 6, 1:20 PM MDTSpecial Weather StatementPUBBent25 min
Jul 6, 1:21 PM MDTSpecial Weather StatementPUBBaca24 min
Jul 6, 1:34 PM MDTSpecial Weather StatementPUBTeller26 min
Jul 6, 1:43 PM MDTSevere Thunderstorm WarningPUBBent, Prowers32 min
Jul 6, 1:44 PM MDTSpecial Weather StatementPUBBent31 min
Jul 6, 1:49 PM MDTSevere Thunderstorm WarningPUBBent, Kiowa26 min
Jul 6, 1:50 PM MDTFlash Flood Warning Considerable damage threatPUBFremont, Saguache112 min
Jul 6, 1:54 PM MDTSpecial Weather StatementPUBLas Animas51 min
Jul 6, 1:57 PM MDTSpecial Weather StatementPUBBent48 min
Jul 6, 2:09 PM MDTSevere Thunderstorm WarningPUBBaca, Bent, Las Animas36 min
Jul 6, 2:11 PM MDTSevere Thunderstorm WarningPUBBent, Prowers34 min
Jul 6, 2:15 PM MDTSpecial Weather StatementPUBBent30 min
Jul 6, 2:17 PM MDTSpecial Weather StatementPUBProwers28 min
Jul 6, 2:28 PM MDTSpecial Weather StatementPUBOtero32 min
Jul 6, 2:29 PM MDTAreal Flood AdvisoryPUBTeller3 hr
Jul 6, 2:32 PM MDTSevere Thunderstorm WarningPUBProwers14 min
Jul 6, 2:42 PM MDTSevere Thunderstorm WarningPUBBaca, Bent, Prowers33 min
Jul 6, 2:48 PM MDTSpecial Weather StatementPUBLas Animas42 min
Jul 6, 2:49 PM MDTSpecial Weather StatementPUBBent26 min
Jul 6, 2:51 PM MDTSpecial Weather StatementPUBProwers24 min
Jul 6, 3:02 PM MDTSpecial Weather StatementPUBFremont28 min
Jul 6, 3:08 PM MDTSpecial Weather StatementPUBOtero37 min
Jul 6, 3:15 PM MDTSpecial Weather StatementPUBBaca45 min
Jul 6, 3:16 PM MDTSpecial Weather StatementPUBKiowa29 min
Jul 6, 3:29 PM MDTSpecial Weather StatementPUBFremont46 min
Jul 6, 3:30 PM MDTSpecial Weather StatementPUBLas Animas30 min
Jul 6, 3:38 PM MDTSpecial Weather StatementPUBOtero37 min
Jul 6, 3:58 PM MDTSpecial Weather StatementPUBKiowa32 min
Jul 6, 4:05 PM MDTSpecial Weather StatementPUBBaca40 min
Jul 6, 4:09 PM MDTSpecial Weather StatementPUBFremont51 min
Jul 6, 4:11 PM MDTSpecial Weather StatementPUBLas Animas34 min
Jul 6, 4:20 PM MDTFlash Flood Warning Considerable damage threatPUBHuerfano3 hr
Jul 6, 4:28 PM MDTSpecial Weather StatementPUBKiowa47 min
Jul 6, 4:44 PM MDTSpecial Weather StatementPUBLas Animas46 min
Jul 6, 4:47 PM MDTFlash Flood Warning Considerable damage threatPUBHuerfano118 min
Jul 6, 4:51 PM MDTFlash Flood Warning Considerable damage threatPUBCuster, Pueblo3 hr
Jul 6, 4:52 PM MDTSevere Thunderstorm WarningPUBCostilla, Las Animas12 min
Jul 6, 4:54 PM MDTSpecial Weather StatementPUBCuster36 min
Jul 6, 5:27 PM MDTSevere Thunderstorm WarningPUBPueblo17 min
Jul 6, 5:35 PM MDTSpecial Weather StatementPUBHuerfano40 min
Jul 6, 5:37 PM MDTSpecial Weather StatementPUBBent38 min
Jul 6, 5:40 PM MDTSpecial Weather StatementPUBEl Paso35 min
Jul 6, 5:58 PM MDTFlash Flood WarningPUBEl Paso, Pueblo7 hr
Jul 6, 5:58 PM MDTSpecial Weather StatementPUBProwers32 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.