Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 129, NWS Amarillo, TX

May 30, 2021Hartley County, Oldham County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at May 30, 2021, 1:08 AM CDT for Hartley County, Oldham County, Texas. It was in force for 64 min. 1 report 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: May 30, 2021, 1:08 AM CDT (06:08 UTC)
Expired: May 30, 2021, 2:12 AM CDT
In force: 64 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Hartley County, TX, Oldham County, TX

The radar

The Amarillo radar (KAMA), 102 km from the middle of the area, began a volume at 06:10 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.

What was reported inside it

Time	Report	Where	Remark
May 30, 1:22 AM CDT	TSTM WND GST 86	11 Ssw Romero, TX	WEST TEXAS MESONET RECORDED 86 MPH WIND GUST.

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
May 29, 7:28 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 6.1 hours before the alert went out and 103 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: 70 J/kg
Mixed-layer CIN: -344 J/kg
Mixed-layer LCL: 758 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 194 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

As transmitted.

518 
WUUS54 KAMA 300608
SVRAMA
TXC205-359-300730-
/O.NEW.KAMA.SV.W.0129.210530T0608Z-210530T0730Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
108 AM CDT Sun May 30 2021

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  Oldham County in the Panhandle of Texas...
  Southwestern Hartley County in the Panhandle of Texas...

* Until 230 AM CDT.

* At 107 AM CDT, a severe thunderstorm was located over Nara Visa,
  moving east at 25 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...
  Hartley, Adrian and Romero. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3589 10304 3592 10238 3519 10248 3519 10256
      3528 10304
TIME...MOT...LOC 0607Z 284DEG 21KT 3560 10305 

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

TLH

6 follow-up statements

005 
WWUS54 KAMA 300622
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
122 AM CDT Sun May 30 2021

TXC205-359-300730-
/O.CON.KAMA.SV.W.0129.000000T0000Z-210530T0730Z/
Oldham TX-Hartley TX-
122 AM CDT Sun May 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR OLDHAM AND SOUTHWESTERN HARTLEY COUNTIES...

At 121 AM CDT, a severe thunderstorm was located 8 miles east of Nara
Visa, moving east at 25 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Expect some tree damage. Damage is likely to mobile homes, 
         roofs, and outbuildings. Hail damage to vehicles is 
         expected.

Locations impacted include...
Hartley, Adrian and Romero. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3589 10304 3592 10238 3519 10248 3519 10256
      3528 10304
TIME...MOT...LOC 0621Z 284DEG 21KT 3558 10295 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

TLH

288 
WWUS54 KAMA 300631
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
131 AM CDT Sun May 30 2021

TXC205-359-300730-
/O.CON.KAMA.SV.W.0129.000000T0000Z-210530T0730Z/
Oldham TX-Hartley TX-
131 AM CDT Sun May 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR OLDHAM AND SOUTHWESTERN HARTLEY COUNTIES...

At 131 AM CDT, automated weather equipment reported a severe
thunderstorm was located 10 miles south of Romero, or 11 miles east
of Nara Visa, moving east at 25 mph.

This is a very dangerous storm.

HAZARD...90 mph wind gusts and quarter size hail.

SOURCE...Automated weather equipment measured a wind gust up to 86 
         MPH at 1:22 AM CDT.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be heavily damaged or destroyed. Homes and businesses 
         will have substantial roof and window damage. Expect 
         extensive tree damage and power outages.

Locations impacted include...
Hartley, Adrian and Romero. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3589 10304 3592 10238 3519 10248 3519 10256
      3528 10304
TIME...MOT...LOC 0631Z 280DEG 20KT 3558 10289 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...90MPH
 
$$

TLH

063 
WWUS54 KAMA 300648
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
148 AM CDT Sun May 30 2021

TXC205-359-300730-
/O.CON.KAMA.SV.W.0129.000000T0000Z-210530T0730Z/
Oldham TX-Hartley TX-
148 AM CDT Sun May 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR OLDHAM AND SOUTHWESTERN HARTLEY COUNTIES...

At 148 AM CDT, automated weather equipment reported a severe
thunderstorm was located 15 miles southeast of Romero, or 18 miles
east of Nara Visa, moving east at 25 mph.

HAZARD...70 mph wind gusts and penny size hail.

SOURCE...Automated weather equipment.

IMPACT...Expect some tree damage. Damage is likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Adrian and Romero. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3589 10304 3584 10239 3519 10248 3519 10256
      3528 10304
TIME...MOT...LOC 0648Z 284DEG 21KT 3556 10277 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...70MPH
 
$$

TLH

507 
WWUS54 KAMA 300700
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
200 AM CDT Sun May 30 2021

TXC205-359-300730-
/O.CON.KAMA.SV.W.0129.000000T0000Z-210530T0730Z/
Oldham TX-Hartley TX-
200 AM CDT Sun May 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR OLDHAM AND SOUTHWESTERN HARTLEY COUNTIES...

At 200 AM CDT, automated weather equipment reported a severe
thunderstorm was located 18 miles north of Adrian, or 23 miles east
of Nara Visa, moving east at 25 mph.

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

SOURCE...Automated weather equipment.

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

Locations impacted include...
Adrian and Romero. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3589 10304 3584 10239 3519 10248 3519 10256
      3528 10304
TIME...MOT...LOC 0700Z 284DEG 21KT 3554 10269 

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

TLH

976 
WWUS54 KAMA 300705
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
205 AM CDT Sun May 30 2021

TXC205-359-300730-
/O.CON.KAMA.SV.W.0129.000000T0000Z-210530T0730Z/
Oldham TX-Hartley TX-
205 AM CDT Sun May 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR OLDHAM AND SOUTH CENTRAL HARTLEY COUNTIES...

At 204 AM CDT, automated weather equipment reported severe
thunderstorms were located along a line extending from 8 miles west
of Channing to 12 miles northwest of Adrian, moving east at 40 mph.

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

SOURCE...Automated weather equipment.

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

Locations impacted include...
Adrian.

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 3561 10304 3584 10239 3519 10248 3519 10256
      3528 10304
TIME...MOT...LOC 0704Z 268DEG 34KT 3571 10247 3536 10286 

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

TLH

183 
WWUS54 KAMA 300712
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
212 AM CDT Sun May 30 2021

TXC205-359-300722-
/O.CAN.KAMA.SV.W.0129.000000T0000Z-210530T0730Z/
Oldham TX-Hartley TX-
212 AM CDT Sun May 30 2021

...THE SEVERE THUNDERSTORM WARNING FOR OLDHAM AND SOUTH CENTRAL
HARTLEY COUNTIES IS CANCELLED...
            
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 has been cancelled.  However heavy rain is
still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
the Panhandle of Texas.

LAT...LON 3561 10304 3584 10239 3519 10248 3519 10256
      3528 10304
TIME...MOT...LOC 0707Z 284DEG 21KT 3570 10244 3535 10283 

$$

TLH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 12:04 AM CDT	Special Weather Statement	AMA	Dallam, Hartley	56 min
May 30, 1:40 AM CDT	Tornado Warning	AMA	Oldham	16 min
May 30, 2:30 AM CDT	Special Weather Statement	AMA	Hartley	30 min
May 30, 2:51 AM CDT	Special Weather Statement	AMA	Oldham	24 min
May 30, 2:54 AM CDT	Special Weather Statement	AMA	Oldham	66 min
May 30, 3:43 AM CDT	Special Weather Statement	AMA	Moore, Sherman	62 min
May 30, 2:27 PM CDT	Flood Watch	AMA	Armstrong, Carson, Collingsworth, Dallam, Deaf Smith, Donley and 14 more	17 hr
May 30, 3:56 PM CDT	Special Weather Statement	AMA	Sherman	34 min
May 30, 5:14 PM CDT	Severe Thunderstorm Warning	AMA	Dallam	61 min
May 30, 6:08 PM CDT	Tornado Warning	AMA	Dallam, Sherman	52 min
May 30, 6:46 PM CDT	Areal Flood Advisory	AMA	Dallam	4 hr
May 30, 6:54 PM CDT	Tornado Warning	AMA	Dallam, Sherman	51 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.