Alert archive / Texas / Tornado Warnings in 2021

Tornado Warning 14, NWS Amarillo, TX

May 17, 2021Hartley County, Oldham County, Texas

NWS Amarillo, TX issued this tornado warning at May 17, 2021, 6:33 PM CDT for Hartley County, Oldham County, Texas. It was in force for 19 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 17, 2021, 6:33 PM CDT (23:33 UTC)
Expired
May 17, 2021, 6:52 PM CDT
In force
19 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

Counties Hartley County, TX, Oldham County, TX

The radar

The Amarillo radar (KAMA), 88 km from the middle of the area, began a volume at 23:34 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 17, 6:35 PM CDTTORNADO18 Sw Channing, TXCORRECTED REPORT TO ADD DURATION INFO. TRAINED SPOTTER REPORTS TORNADO TOUCHDOWN OVER OPEN LAND CONFIRMED BY HIS TWEETED PICTURE. TORNADO LIFTED AT 6:39 PM.
May 17, 6:35 PM CDTTORNADO18 Sw Channing, TXTRAINED SPOTTER REPORTS TORNADO TOUCHDOWN OVER OPEN LAND CONFIRMED BY HIS TWEETED PICTURE.

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 17, 2:39 PM CDTSevere Thunderstorm WatchSPC8 hr
May 17, 3:04 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.6 hours before the alert went out and 89 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 2021-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 2021-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -81 square meters per square second.193958Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1522 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-81 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

886 
WFUS54 KAMA 172333
TORAMA
TXC205-359-180015-
/O.NEW.KAMA.TO.W.0014.210517T2333Z-210518T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Amarillo TX
633 PM CDT Mon May 17 2021

The National Weather Service in Amarillo has issued a

* Tornado Warning for...
  North central Oldham County in the Panhandle of Texas...
  South central Hartley County in the Panhandle of Texas...

* Until 715 PM CDT.
    
* At 633 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 17 miles southwest of Channing, or 22 miles northwest
  of Vega, moving north 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.

* This tornadic thunderstorm will remain over mainly rural areas of
  north central Oldham and south central Hartley Counties.

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 3551 10247 3548 10264 3573 10280 3578 10248
TIME...MOT...LOC 2333Z 169DEG 19KT 3554 10258 

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

$$

Guerrero
2 follow-up statements
036 
WWUS54 KAMA 172336
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
636 PM CDT Mon May 17 2021

TXC205-359-180015-
/O.CON.KAMA.TO.W.0014.000000T0000Z-210518T0015Z/
Oldham TX-Hartley TX-
636 PM CDT Mon May 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR NORTH
CENTRAL OLDHAM AND SOUTH CENTRAL HARTLEY COUNTIES...
    
At 636 PM CDT, a confirmed tornado was located 16 miles southwest of
Channing, or 23 miles northwest of Vega, moving north at 20 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.

This tornadic thunderstorm will remain over mainly rural areas of
north central Oldham and south central Hartley Counties.

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 3551 10247 3548 10264 3573 10280 3578 10248
TIME...MOT...LOC 2336Z 169DEG 19KT 3556 10258 

TORNADO...OBSERVED
HAIL...1.75IN

$$

Guerrero
360 
WWUS54 KAMA 172352
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
652 PM CDT Mon May 17 2021

TXC205-359-180001-
/O.CAN.KAMA.TO.W.0014.000000T0000Z-210518T0015Z/
Oldham TX-Hartley TX-
652 PM CDT Mon May 17 2021

...THE TORNADO WARNING FOR NORTH CENTRAL OLDHAM AND SOUTH CENTRAL
HARTLEY COUNTIES IS CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

A Tornado Watch remains in effect until 1100 PM CDT for the Panhandle
of Texas.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
the Panhandle of Texas.

Remember, a Severe Thunderstorm Warning still remains in effect for
portions of Oldham and Hartley Counties. 

LAT...LON 3551 10247 3548 10264 3573 10280 3578 10248
TIME...MOT...LOC 2348Z 169DEG 19KT 3564 10260 

$$

Guerrero

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 7:01 PM CDTSevere Thunderstorm WarningAMADeaf Smith, Oldham14 min
May 16, 7:06 PM CDTSevere Thunderstorm WarningAMACarson, Potter54 min
May 16, 7:15 PM CDTFlash Flood WarningAMARandall5 hr
May 16, 7:20 PM CDTSevere Thunderstorm WarningAMADonley55 min
May 16, 7:35 PM CDTSevere Thunderstorm WarningAMAArmstrong, Randall55 min
May 16, 7:44 PM CDTSevere Thunderstorm WarningAMARandall61 min
May 16, 7:46 PM CDTSevere Thunderstorm WarningAMACarson, Potter59 min
May 16, 7:58 PM CDTSevere Thunderstorm WarningAMADallam, Hartley, Sherman62 min
May 16, 8:13 PM CDTSevere Thunderstorm WarningAMADonley62 min
May 16, 8:47 PM CDTSevere Thunderstorm WarningAMACarson, Oldham, Potter43 min
May 16, 9:08 PM CDTAreal Flood AdvisoryAMADonley3 hr
May 16, 9:19 PM CDTSevere Thunderstorm WarningAMASherman41 min
May 16, 11:37 PM CDTSpecial Weather StatementAMAOldham23 min
May 16, 11:40 PM CDTAreal Flood AdvisoryAMAPotter, Randall3 hr
May 17, 12:06 AM CDTSpecial Weather StatementAMAPotter24 min
May 17, 12:12 AM CDTSpecial Weather StatementAMAOldham33 min
May 17, 12:16 AM CDTAreal Flood AdvisoryAMARandall3 hr
May 17, 12:35 AM CDTSpecial Weather StatementAMARandall25 min
May 17, 12:45 AM CDTSpecial Weather StatementAMAPotter30 min
May 17, 12:46 AM CDTSpecial Weather StatementAMAPotter29 min
May 17, 1:02 AM CDTSpecial Weather StatementAMARandall28 min
May 17, 2:58 PM CDTFlash Flood WatchAMAArmstrong, Carson, Collingsworth, Deaf Smith, Donley, Gray and 4 more7 hr
May 17, 4:47 PM CDTSpecial Weather StatementAMAOldham43 min
May 17, 5:16 PM CDTSevere Thunderstorm WarningAMAOchiltree, Roberts59 min
May 17, 5:48 PM CDTSpecial Weather StatementAMAHartley, Oldham57 min
May 17, 5:50 PM CDTSevere Thunderstorm WarningAMAHartley, Oldham55 min
May 17, 6:14 PM CDTSevere Thunderstorm WarningAMARoberts41 min
May 17, 6:28 PM CDTSevere Thunderstorm WarningAMADeaf Smith, Randall62 min
May 17, 6:42 PM CDTSevere Thunderstorm WarningAMAHartley, Oldham93 min
May 17, 6:54 PM CDTSevere Thunderstorm WarningAMAArmstrong, Randall66 min

Nearby

Tornado Warnings in Texas, 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.