Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 36, NWS Lubbock, TX

April 27, 2021Briscoe County, Floyd County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Apr 27, 2021, 7:41 PM CDT for Briscoe County, Floyd County, Texas. It was in force for 42 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: Apr 27, 2021, 7:41 PM CDT (00:41 UTC)
Expired: Apr 27, 2021, 8:23 PM CDT
In force: 42 min
Issued by: NWS Lubbock, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Briscoe County, TX, Floyd County, TX

The radar

The Lubbock radar (KLBB), 107 km from the middle of the area, began a volume at 00:43 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.7 hours before the alert went out and 109 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: 1 J/kg
Mixed-layer CIN: -130 J/kg
Mixed-layer LCL: 3056 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

833 
WUUS54 KLUB 280041
SVRLUB
TXC045-153-280145-
/O.NEW.KLUB.SV.W.0036.210428T0041Z-210428T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lubbock TX
741 PM CDT Tue Apr 27 2021

The National Weather Service in Lubbock Texas has issued a

* Severe Thunderstorm Warning for...
  Northeastern Floyd County in northwestern Texas...
  Briscoe County in the Panhandle of Texas...

* Until 845 PM CDT.

* At 740 PM CDT, a severe thunderstorm was located 6 miles northeast
  of South Plains, or 12 miles south of Silverton, moving northeast
  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.

* Locations impacted include...
  Silverton, Caprock Canyon State Park, Quitaque and Valley Schools. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3434 10095 3431 10099 3431 10104 3428 10104
      3419 10119 3426 10139 3475 10119 3475 10095
TIME...MOT...LOC 0040Z 207DEG 33KT 3430 10124 

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

01

4 follow-up statements

084 
WWUS54 KLUB 280049
SVSLUB

Severe Weather Statement
National Weather Service Lubbock TX
749 PM CDT Tue Apr 27 2021

TXC153-280059-
/O.CAN.KLUB.SV.W.0036.000000T0000Z-210428T0145Z/
Floyd TX-
749 PM CDT Tue Apr 27 2021

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

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
northwestern Texas.

LAT...LON 3434 10095 3431 10099 3431 10137 3475 10119
      3475 10095
TIME...MOT...LOC 0049Z 207DEG 33KT 3438 10119 

$$

TXC045-280145-
/O.CON.KLUB.SV.W.0036.000000T0000Z-210428T0145Z/
Briscoe TX-
749 PM CDT Tue Apr 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR BRISCOE COUNTY...

At 749 PM CDT, a severe thunderstorm was located 7 miles west of
Quitaque, or 9 miles southwest of Caprock Canyon State Park, moving
northeast 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.

Locations impacted include...
Silverton, Caprock Canyon State Park, Quitaque and Valley Schools. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3434 10095 3431 10099 3431 10137 3475 10119
      3475 10095
TIME...MOT...LOC 0049Z 207DEG 33KT 3438 10119 

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

01

678 
WWUS54 KLUB 280107
SVSLUB

Severe Weather Statement
National Weather Service Lubbock TX
807 PM CDT Tue Apr 27 2021

TXC045-280145-
/O.CON.KLUB.SV.W.0036.000000T0000Z-210428T0145Z/
Briscoe TX-
807 PM CDT Tue Apr 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR EASTERN BRISCOE COUNTY...

At 807 PM CDT, a severe thunderstorm was located 6 miles northwest of
Caprock Canyon State Park, moving northeast 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.

Locations impacted include...
Silverton and Caprock Canyon State Park. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3475 10119 3475 10095 3440 10095 3441 10133
TIME...MOT...LOC 0107Z 220DEG 37KT 3452 10112 

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

01

653 
WWUS54 KLUB 280117
SVSLUB

Severe Weather Statement
National Weather Service Lubbock TX
817 PM CDT Tue Apr 27 2021

TXC045-280145-
/O.CON.KLUB.SV.W.0036.000000T0000Z-210428T0145Z/
Briscoe TX-
817 PM CDT Tue Apr 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR NORTHEASTERN BRISCOE COUNTY...

At 816 PM CDT, a severe thunderstorm was located 10 miles north of
Caprock Canyon State Park, moving northeast 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.

This severe thunderstorm will remain over mainly rural areas of
northeastern Briscoe County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3475 10119 3475 10095 3453 10095 3455 10127
TIME...MOT...LOC 0116Z 213DEG 37KT 3460 10108 

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

01

496 
WWUS54 KLUB 280123
SVSLUB

Severe Weather Statement
National Weather Service Lubbock TX
823 PM CDT Tue Apr 27 2021

TXC045-280133-
/O.CAN.KLUB.SV.W.0036.000000T0000Z-210428T0145Z/
Briscoe TX-
823 PM CDT Tue Apr 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BRISCOE COUNTY IS
CANCELLED...
                
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 has been cancelled.

LAT...LON 3475 10119 3475 10095 3453 10095 3455 10127
TIME...MOT...LOC 0120Z 207DEG 33KT 3466 10104 

$$

01

The office that day

Everything else NWS Lubbock, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 27, 7:00 PM CDT	Severe Thunderstorm Warning	LUB	King, Stonewall	60 min
Apr 28, 6:32 AM CDT	Dense Fog Advisory	LUB	Briscoe, Childress, Cottle, Crosby, Dickens, Floyd and 9 more	106 min
Apr 28, 4:53 PM CDT	Special Weather Statement	LUB	Dickens, Garza, Kent	22 min

Nearby

Severe Thunderstorm Warnings in Texas, 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.