Alert archive / Texas / Tornado Warnings in 2021

Tornado Warning 34, NWS Amarillo, TX

May 30, 2021Dallam County, Sherman County, Texas; Cimarron County, Oklahoma

NWS Amarillo, TX issued this tornado warning at May 30, 2021, 6:54 PM CDT for Dallam County, Sherman County, Texas; Cimarron County, Oklahoma. It was in force for 51 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, 6:54 PM CDT (23:54 UTC)
Expired
May 30, 2021, 7:45 PM CDT
In force
51 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

Counties Cimarron County, OK, Dallam County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 141 km from the middle of the area, began a volume at 23:56 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

TimeReportWhereRemark
May 30, 7:31 PM CDTTORNADO5 Ese Stratford, TXNUMEROUS REPORTS OF A TORNADO WITH PICTURES AND LIVE STREAM. START TIME WAS 7:31 PM, LIFTED AT 7:38 PM.
May 30, 7:41 PM CDTHAIL 1.756 Ese Stratford, TX

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.

IssuedProductOfficeLasted
May 30, 4:42 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.9 hours before the alert went out and 142 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-pSkew-T log-p diagram, Amarillo Airport, TX at 12:00Z on 2021-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 64 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 2021-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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.

420 
WFUS54 KAMA 302354
TORAMA
OKC025-TXC111-421-310045-
/O.NEW.KAMA.TO.W.0034.210530T2354Z-210531T0045Z/

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

The National Weather Service in Amarillo has issued a

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

* Until 745 PM CDT.
    
* At 654 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 6 miles west of Stratford, moving east at 15 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 3661 10221 3652 10207 3650 10203 3647 10200
      3632 10187 3625 10225 3640 10237
TIME...MOT...LOC 2354Z 264DEG 19KT 3636 10218 

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

$$

DGW
3 follow-up statements
163 
WWUS54 KAMA 310000
SVSAMA

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

OKC025-TXC111-421-310045-
/O.CON.KAMA.TO.W.0034.000000T0000Z-210531T0045Z/
Cimarron OK-Sherman TX-Dallam TX-
700 PM CDT Sun May 30 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
SOUTHEASTERN CIMARRON...NORTHWESTERN SHERMAN AND NORTHEASTERN DALLAM
COUNTIES...
        
At 700 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Stratford, moving east at 20 mph.

HAZARD...Tornado and golf ball size hail.

SOURCE...Weather spotters reported a rotating wall 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 3661 10221 3652 10207 3650 10203 3647 10200
      3632 10187 3625 10225 3640 10237
TIME...MOT...LOC 0000Z 264DEG 19KT 3636 10214 

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

$$

DGW
179 
WWUS54 KAMA 310012
SVSAMA

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

OKC025-TXC111-421-310045-
/O.CON.KAMA.TO.W.0034.000000T0000Z-210531T0045Z/
Cimarron OK-Sherman TX-Dallam TX-
712 PM CDT Sun May 30 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
SOUTHEASTERN CIMARRON...NORTHWESTERN SHERMAN AND NORTHEASTERN DALLAM
COUNTIES...
    
At 710 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Stratford, moving east at 20 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 3652 10207 3650 10203 3647 10200 3632 10187
      3626 10219 3648 10231 3661 10221
TIME...MOT...LOC 0010Z 264DEG 19KT 3637 10207 

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

$$

DGW
411 
WWUS54 KAMA 310023
SVSAMA

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

OKC025-TXC111-310032-
/O.CAN.KAMA.TO.W.0034.000000T0000Z-210531T0045Z/
Cimarron OK-Dallam TX-
723 PM CDT Sun May 30 2021

...THE TORNADO WARNING FOR SOUTHEASTERN CIMARRON AND NORTHEASTERN
DALLAM COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until midnight CDT for the
Panhandle of Texas.

LAT...LON 3632 10187 3627 10216 3633 10216 3639 10214
      3646 10199
TIME...MOT...LOC 0022Z 264DEG 19KT 3638 10199 

$$

TXC421-310045-
/O.CON.KAMA.TO.W.0034.000000T0000Z-210531T0045Z/
Sherman TX-
723 PM CDT Sun May 30 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
NORTHWESTERN SHERMAN COUNTY...
    
At 722 PM CDT, a severe thunderstorm capable of producing a tornado
was located 5 miles northeast of Stratford, moving east at 20 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 3632 10187 3627 10216 3633 10216 3639 10214
      3646 10199
TIME...MOT...LOC 0022Z 264DEG 19KT 3638 10199 

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

$$

DGW

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 12:04 AM CDTSpecial Weather StatementAMADallam, Hartley56 min
May 30, 1:08 AM CDTSevere Thunderstorm WarningAMAHartley, Oldham64 min
May 30, 1:40 AM CDTTornado WarningAMAOldham16 min
May 30, 2:30 AM CDTSpecial Weather StatementAMAHartley30 min
May 30, 2:51 AM CDTSpecial Weather StatementAMAOldham24 min
May 30, 2:54 AM CDTSpecial Weather StatementAMAOldham66 min
May 30, 3:43 AM CDTSpecial Weather StatementAMAMoore, Sherman62 min
May 30, 2:27 PM CDTFlood WatchAMAArmstrong, Carson, Collingsworth, Dallam, Deaf Smith, Donley and 14 more17 hr
May 30, 3:56 PM CDTSpecial Weather StatementAMASherman34 min
May 30, 5:14 PM CDTSevere Thunderstorm WarningAMADallam61 min
May 30, 6:08 PM CDTTornado WarningAMADallam, Sherman52 min
May 30, 6:46 PM CDTAreal Flood AdvisoryAMADallam4 hr
May 29, 7:45 PM CDTTornado Warning Tornado observedConsiderable damage threatAMACimarron45 min
May 29, 8:27 PM CDTTornado WarningAMACimarron48 min
May 29, 9:05 PM CDTTornado Warning Tornado observedAMACimarron55 min
May 29, 9:51 PM CDTTornado Warning Tornado observedConsiderable damage threatAMACimarron54 min
May 29, 10:41 PM CDTSevere Thunderstorm WarningAMACimarron64 min
May 29, 11:48 PM CDTSpecial Weather StatementAMACimarron27 min
May 30, 1:03 PM CDTSpecial Weather StatementAMABeaver42 min
May 30, 1:19 PM CDTSevere Thunderstorm WarningAMABeaver26 min
May 30, 3:35 PM CDTSpecial Weather StatementAMACimarron25 min
May 30, 4:35 PM CDTTornado Warning Tornado observedAMACimarron40 min
May 30, 5:08 PM CDTTornado Warning Tornado observedAMACimarron28 min
May 30, 5:35 PM CDTSevere Thunderstorm WarningAMACimarron55 min
May 30, 5:39 PM CDTTornado Warning Tornado observedAMACimarron51 min
May 30, 5:49 PM CDTTornado WarningAMACimarron41 min
May 30, 6:14 PM CDTTornado Warning Tornado observedAMACimarron46 min
May 30, 6:26 PM CDTTornado WarningAMACimarron21 min
May 30, 6:58 PM CDTTornado WarningAMACimarron47 min

Nearby

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