Alert archive / Colorado / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 142, NWS Pueblo, CO

June 4, 2021Saguache County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jun 4, 2021, 6:14 PM MDT for Saguache County, Colorado. It was in force for 31 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: Jun 4, 2021, 6:14 PM MDT (00:14 UTC)
Expired: Jun 4, 2021, 6:45 PM MDT
In force: 31 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Saguache County, CO

The radar

The Pueblo radar (KPUX), 161 km from the middle of the area, began a volume at 00:16 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

Grand Junction, CO (KGJT), launched 00:00Z, 0.2 hours before the alert went out and 248 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 418 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 3790 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 73 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

090 
WUUS55 KPUB 050014
SVRPUB
COC109-050045-
/O.NEW.KPUB.SV.W.0142.210605T0014Z-210605T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
614 PM MDT Fri Jun 4 2021

The National Weather Service in Pueblo has issued a

* Severe Thunderstorm Warning for...
  South central Saguache County in central Colorado...

* Until 645 PM MDT.

* At 614 PM MDT, a severe thunderstorm was located near Moffat, or 18
  miles southwest of Hayden Pass Burn Scar, 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...
  Saguache and Moffat. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3821 10596 3807 10580 3790 10597 3808 10617
TIME...MOT...LOC 0014Z 047DEG 4KT 3809 10596 

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

KTS

2 follow-up statements

924 
WWUS55 KPUB 050030
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
630 PM MDT Fri Jun 4 2021

COC109-050045-
/O.CON.KPUB.SV.W.0142.000000T0000Z-210605T0045Z/
Saguache CO-
630 PM MDT Fri Jun 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM MDT
FOR CENTRAL SAGUACHE COUNTY...

At 630 PM MDT, a severe thunderstorm was located near Moffat, or 19
miles southwest of Hayden Pass Burn Scar, and is nearly stationary.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Saguache and Moffat. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3817 10602 3803 10584 3790 10597 3808 10617
TIME...MOT...LOC 0030Z 047DEG 4KT 3808 10598 

HAIL...0.75IN
WIND...60MPH
 
$$

KTS

274 
WWUS55 KPUB 050037
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
637 PM MDT Fri Jun 4 2021

COC109-050047-
/O.EXP.KPUB.SV.W.0142.000000T0000Z-210605T0045Z/
Saguache CO-
637 PM MDT Fri Jun 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL SAGUACHE COUNTY WILL
EXPIRE AT 645 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 gusty
winds are still possible with this thunderstorm.

LAT...LON 3817 10602 3803 10584 3790 10597 3808 10617
TIME...MOT...LOC 0037Z 047DEG 4KT 3808 10599 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 4, 6:52 PM MDT	Special Weather Statement	PUB	Alamosa	38 min
Jun 4, 7:29 PM MDT	Special Weather Statement	PUB	Alamosa	31 min
Jun 4, 7:30 PM MDT	Severe Thunderstorm Warning	PUB	Alamosa	30 min
Jun 4, 7:42 PM MDT	Special Weather Statement	PUB	Chaffee	33 min
Jun 4, 8:00 PM MDT	Special Weather Statement	PUB	Alamosa	30 min
Jun 4, 8:13 PM MDT	Special Weather Statement	PUB	Chaffee	32 min
Jun 4, 9:20 PM MDT	Special Weather Statement	PUB	Conejos	25 min
Jun 5, 1:05 PM MDT	Flash Flood Warning Considerable damage threat	PUB	Costilla, Huerfano	115 min
Jun 5, 2:44 PM MDT	Special Weather Statement	PUB	Alamosa	46 min
Jun 5, 4:18 PM MDT	Special Weather Statement	PUB	Teller	27 min
Jun 5, 4:20 PM MDT	Special Weather Statement	PUB	Conejos	25 min
Jun 5, 4:27 PM MDT	Special Weather Statement	PUB	Gunnison	18 min
Jun 5, 4:42 PM MDT	Special Weather Statement	PUB	Conejos	18 min
Jun 5, 4:48 PM MDT	Special Weather Statement	PUB	Teller	27 min
Jun 5, 5:14 PM MDT	Special Weather Statement	PUB	Fremont	31 min
Jun 5, 5:36 PM MDT	Special Weather Statement	PUB	Teller	9 min
Jun 5, 5:45 PM MDT	Special Weather Statement	PUB	Teller	30 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2021 Every 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.