Alert archive / Texas / Tornado Warnings in 2021

Tornado Warning 31, NWS Amarillo, TX

May 30, 2021Dallam County, Sherman County, Texas

NWS Amarillo, TX issued this tornado warning at May 30, 2021, 6:08 PM CDT for Dallam County, Sherman County, Texas. It was in force for 52 min. 2 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: May 30, 2021, 6:08 PM CDT (23:08 UTC)
Expired: May 30, 2021, 7:00 PM CDT
In force: 52 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Dallam County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 138 km from the middle of the area, began a volume at 23:10 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, 6:19 PM CDT	TORNADO	9 Wnw Conlen, TX	TORNADO START TIME WAS 6:13 PM AND WAS ON THE GROUND THROUGH TIME OF REPORT.
May 30, 6:46 PM CDT	TORNADO	7 N Conlen, TX	MULTIPLE CHASER PICTURES AND VIDEO OF A TORNADO, LASTED ABOUT 2 MINUTES.

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 30, 4:42 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.1 hours before the alert went out and 138 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: 64 J/kg
Mixed-layer CIN: -307 J/kg
Mixed-layer LCL: 1320 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 188 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

750 
WFUS54 KAMA 302308
TORAMA
TXC111-421-310000-
/O.NEW.KAMA.TO.W.0031.210530T2308Z-210531T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Amarillo TX
608 PM CDT Sun May 30 2021

The National Weather Service in Amarillo has issued a

* Tornado Warning for...
  Northwestern Sherman County in the Panhandle of Texas...
  Northeastern Dallam County in the Panhandle of Texas...

* Until 700 PM CDT.

* At 608 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 9 miles west of Conlen, or 16 miles northeast of
  Dalhart, moving northeast at 25 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Weather spotters reported funnel cloud.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Stratford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3650 10227 3650 10215 3634 10200 3618 10245
      3627 10253
TIME...MOT...LOC 2308Z 233DEG 23KT 3628 10240 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

DGW

4 follow-up statements

798 
WWUS54 KAMA 302320
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
620 PM CDT Sun May 30 2021

TXC111-421-310000-
/O.CON.KAMA.TO.W.0031.000000T0000Z-210531T0000Z/
Sherman TX-Dallam TX-
620 PM CDT Sun May 30 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
NORTHWESTERN SHERMAN AND NORTHEASTERN DALLAM COUNTIES...
    
At 620 PM CDT, a confirmed tornado was located 7 miles northwest of
Conlen, or 13 miles west of Stratford, moving northeast at 25 mph.

HAZARD...Damaging tornado and golf ball size hail.

SOURCE...Weather spotters confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Stratford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3650 10227 3650 10215 3634 10200 3621 10239
      3631 10246
TIME...MOT...LOC 2320Z 233DEG 23KT 3633 10232 

TORNADO...OBSERVED
HAIL...1.75IN

$$

DGW

149 
WWUS54 KAMA 302323
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
623 PM CDT Sun May 30 2021

TXC111-421-310000-
/O.CON.KAMA.TO.W.0031.000000T0000Z-210531T0000Z/
Sherman TX-Dallam TX-
623 PM CDT Sun May 30 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
NORTHWESTERN SHERMAN AND NORTHEASTERN DALLAM COUNTIES...
    
At 623 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles northwest of Conlen, or 12 miles west of
Stratford, moving northeast at 25 mph.

HAZARD...Tornado and golf ball size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Stratford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3650 10227 3650 10215 3634 10200 3621 10239
      3631 10246
TIME...MOT...LOC 2323Z 233DEG 23KT 3634 10230 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

DGW

870 
WWUS54 KAMA 302334
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
634 PM CDT Sun May 30 2021

TXC111-421-310000-
/O.CON.KAMA.TO.W.0031.000000T0000Z-210531T0000Z/
Sherman TX-Dallam TX-
634 PM CDT Sun May 30 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
NORTHWESTERN SHERMAN AND NORTHEASTERN DALLAM COUNTIES...
    
At 632 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles northwest of Conlen, or 12 miles west of
Stratford, moving northeast at 10 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Stratford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3650 10227 3650 10215 3634 10200 3625 10237
      3635 10242
TIME...MOT...LOC 2332Z 240DEG 10KT 3633 10230 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

DGW

574 
WWUS54 KAMA 302343
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
643 PM CDT Sun May 30 2021

TXC111-421-310000-
/O.CON.KAMA.TO.W.0031.000000T0000Z-210531T0000Z/
Sherman TX-Dallam TX-
643 PM CDT Sun May 30 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
NORTHWESTERN SHERMAN AND NORTHEASTERN DALLAM COUNTIES...
    
At 643 PM CDT, a confirmed tornado was located 8 miles west of
Stratford, moving northeast at 25 mph.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Weather spotters confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Stratford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3650 10227 3650 10215 3634 10200 3626 10232
      3637 10238
TIME...MOT...LOC 2343Z 233DEG 23KT 3637 10223 

TORNADO...OBSERVED
HAIL...1.00IN

$$

DGW

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, 1:08 AM CDT	Severe Thunderstorm Warning	AMA	Hartley, Oldham	64 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, 6:46 PM CDT	Areal Flood Advisory	AMA	Dallam	4 hr
May 30, 6:54 PM CDT	Tornado Warning	AMA	Dallam, Sherman	51 min

Nearby

Tornado Warnings in Texas, 2021 Every tornado warning in 2021 Tornadoes 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.