Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 150, NWS Amarillo, TX

June 13, 202110 counties in Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 13, 2021, 12:42 AM CDT for 10 counties in Texas. It was in force for 63 min. 4 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: Jun 13, 2021, 12:42 AM CDT (05:42 UTC)
Expired: Jun 13, 2021, 1:45 AM CDT
In force: 63 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Carson County, TX, Hansford County, TX, Hartley County, TX, Hutchinson County, TX, Moore County, TX, Ochiltree County, TX, Oldham County, TX, Potter County, TX, Roberts County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 57 km from the middle of the area, began a volume at 05:44 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

Time	Report	Where	Remark
Jun 13, 1:08 AM CDT	TSTM WND GST 67	3 N Borger, TX	ASOS STATION KBGD BORGER (ASOS).
Jun 13, 1:13 AM CDT	TSTM WND DMG	9 Se Masterson, TX	POWER POLES BLOWN DOWN.
Jun 13, 1:16 AM CDT	TSTM WND GST 74	11 Ssw Fritch, TX
Jun 13, 1:17 AM CDT	TSTM WND GST 61	11 Ssw Fritch, TX	MEASURED USING HANDHELD WIND METER.

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.

Issued	Product	Office	Lasted
Jun 12, 9:39 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 5.7 hours before the alert went out and 58 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: 3697 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 1361 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 190 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 18.7

Open this sounding in Storm Lab

The text

As transmitted.

420 
WUUS54 KAMA 130542
SVRAMA
TXC065-195-205-233-341-357-359-375-393-421-130645-
/O.NEW.KAMA.SV.W.0150.210613T0542Z-210613T0645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
1242 AM CDT Sun Jun 13 2021

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  Northwestern Carson County in the Panhandle of Texas...
  Eastern Oldham County in the Panhandle of Texas...
  Hutchinson County in the Panhandle of Texas...
  Potter County in the Panhandle of Texas...
  Hansford County in the Panhandle of Texas...
  Southeastern Sherman County in the Panhandle of Texas...
  Northwestern Roberts County in the Panhandle of Texas...
  Southwestern Ochiltree County in the Panhandle of Texas...
  Moore County in the Panhandle of Texas...
  Southeastern Hartley County in the Panhandle of Texas...

* Until 145 AM CDT.

* At 1241 AM CDT, severe thunderstorms were located along a line
  extending from 8 miles west of Gruver to 3 miles north of Boys
  Ranch, moving southeast at 40 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Minor damage to roofs, siding, and trees is possible. 
           Hail damage to vehicles is expected.

* Locations impacted include...
  Dumas, Borger, Spearman, Cactus, Fritch, Sunray, Stinnett, Gruver,
  Channing, Sanford, Valley De Oro, Boys Ranch, Wildorado, Pringle,
  Morse, Four Way, Masterson and Lake Meredith.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3572 10250 3649 10147 3596 10081 3518 10216
      3518 10224
TIME...MOT...LOC 0541Z 329DEG 33KT 3628 10155 3556 10227 

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

TLH

3 follow-up statements

314 
WWUS54 KAMA 130549
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1249 AM CDT Sun Jun 13 2021

TXC065-195-205-233-341-357-359-375-393-421-130645-
/O.CON.KAMA.SV.W.0150.000000T0000Z-210613T0645Z/
Carson TX-Oldham TX-Hutchinson TX-Potter TX-Hansford TX-Sherman TX-
Roberts TX-Ochiltree TX-Moore TX-Hartley TX-
1249 AM CDT Sun Jun 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CDT
FOR NORTHWESTERN CARSON...EASTERN OLDHAM...HUTCHINSON...POTTER...
HANSFORD...SOUTHEASTERN SHERMAN...NORTHWESTERN ROBERTS...SOUTHWESTERN
OCHILTREE...MOORE AND SOUTHEASTERN HARTLEY COUNTIES...

At 1248 AM CDT, automated weather equipment reported severe
thunderstorms were located along a line extending from 6 miles west
of Gruver to Boys Ranch, moving southeast at 40 mph.

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

SOURCE...Automated weather equipment measured a 61 mile per hour 
         wind gust at the Dumas airport with these storms.

IMPACT...Minor damage to roofs, siding, and trees is possible. Hail 
         damage to vehicles is expected.

Locations impacted include...
Dumas, Borger, Spearman, Cactus, Fritch, Sunray, Stinnett, Gruver,
Channing, Sanford, Valley De Oro, Boys Ranch, Wildorado, Pringle,
Morse, Four Way, Masterson and Lake Meredith.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3572 10250 3649 10147 3596 10081 3518 10216
      3518 10224
TIME...MOT...LOC 0548Z 329DEG 33KT 3625 10153 3553 10225 

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

TLH

535 
WWUS54 KAMA 130630
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
130 AM CDT Sun Jun 13 2021

TXC205-359-421-130639-
/O.CAN.KAMA.SV.W.0150.000000T0000Z-210613T0645Z/
Oldham TX-Sherman TX-Hartley TX-
130 AM CDT Sun Jun 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN OLDHAM...SOUTHEASTERN
SHERMAN AND SOUTHEASTERN HARTLEY COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
the Panhandle of Texas.

LAT...LON 3558 10209 3587 10171 3644 10141 3596 10081
      3520 10213 3525 10212
TIME...MOT...LOC 0629Z 301DEG 35KT 3595 10131 3543 10170 

$$

TXC065-195-233-341-357-375-393-130645-
/O.CON.KAMA.SV.W.0150.000000T0000Z-210613T0645Z/
Carson TX-Hutchinson TX-Potter TX-Hansford TX-Roberts TX-
Ochiltree TX-Moore TX-
130 AM CDT Sun Jun 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CDT
FOR NORTHWESTERN CARSON...HUTCHINSON...NORTHWESTERN POTTER...
HANSFORD...NORTHWESTERN ROBERTS...SOUTHWESTERN OCHILTREE AND
SOUTHEASTERN MOORE COUNTIES...

At 129 AM CDT, automated weather equipment reported severe
thunderstorms were located along a line extending from 8 miles east
of Pringle to 15 miles south of Lake Meredith, moving southeast at 40
mph.

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

SOURCE...Automated weather equipment.

IMPACT...Minor damage to roofs, siding, and trees is possible.

Locations impacted include...
Borger, Spearman, Fritch, Stinnett, Gruver, Sanford, Morse,
Masterson, Lake Meredith and Pringle.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3558 10209 3587 10171 3644 10141 3596 10081
      3520 10213 3525 10212
TIME...MOT...LOC 0629Z 301DEG 35KT 3595 10131 3543 10170 

HAIL...0.88IN
WIND...60MPH
 
$$

Beat

626 
WWUS54 KAMA 130638
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
138 AM CDT Sun Jun 13 2021

TXC065-195-233-341-357-375-393-130648-
/O.EXP.KAMA.SV.W.0150.000000T0000Z-210613T0645Z/
Carson TX-Hutchinson TX-Potter TX-Hansford TX-Roberts TX-
Ochiltree TX-Moore TX-
138 AM CDT Sun Jun 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CARSON...
HUTCHINSON...NORTHWESTERN POTTER...HANSFORD...NORTHWESTERN ROBERTS...
SOUTHWESTERN OCHILTREE AND SOUTHEASTERN MOORE COUNTIES WILL EXPIRE AT
145 AM CDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
the Panhandle of Texas.

LAT...LON 3558 10209 3587 10171 3644 10141 3596 10081
      3520 10213 3525 10212
TIME...MOT...LOC 0638Z 329DEG 33KT 3590 10127 3538 10166 

$$

Beat

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 10:02 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham	73 min
Jun 12, 10:28 PM CDT	Special Weather Statement	AMA	Dallam	32 min
Jun 12, 10:32 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Sherman	58 min
Jun 12, 11:01 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hansford, Hartley, Moore, Sherman	74 min
Jun 12, 11:07 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Hartley, Oldham	83 min
Jun 12, 11:46 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hansford, Hartley, Hutchinson, Moore, Oldham and 2 more	59 min
Jun 12, 11:51 PM CDT	Special Weather Statement	AMA	Deaf Smith	24 min
Jun 13, 12:15 AM CDT	Areal Flood Warning	AMA	Dallam, Hartley, Moore, Oldham, Potter, Sherman	2 hr
Jun 13, 12:22 AM CDT	Special Weather Statement	AMA	Randall	23 min
Jun 13, 12:28 AM CDT	Special Weather Statement	AMA	Deaf Smith	32 min
Jun 13, 1:15 AM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Gray, Hutchinson, Potter, Randall and 1 more	45 min
Jun 13, 1:28 AM CDT	Areal Flood Advisory	AMA	Armstrong, Carson, Hutchinson	2 hr
Jun 13, 1:56 AM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Donley, Gray, Hemphill, Hutchinson and 3 more	64 min
Jun 13, 2:37 AM CDT	Special Weather Statement	AMA	Sherman	23 min
Jun 13, 2:56 AM CDT	Special Weather Statement	AMA	Donley	34 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.