Alert archive / Texas / Tornado Warnings in 2019

Tornado Warning 39, NWS Amarillo, TX

May 20, 2019Collingsworth County, Texas

NWS Amarillo, TX issued this tornado warning at May 20, 2019, 5:38 PM CDT for Collingsworth County, Texas. It was in force for 17 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 20, 2019, 5:38 PM CDT (22:38 UTC)
Expired
May 20, 2019, 5:55 PM CDT
In force
17 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Collingsworth County, TX

The radar

The Altus AFB radar (KFDR), 119 km from the middle of the area, began a volume at 22:42 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 20, 12:36 PM CDTTornado Watch PDSSPC9 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.6 hours before the alert went out and 151 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 2019-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 812 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 2019-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 404 square meters per square second.1939587897Sfc1 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
812 J/kg
Mixed-layer CIN
-146 J/kg
Mixed-layer LCL
637 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
404 m²/s²
0-3 km storm-relative helicity
461 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.5

Open this sounding in Storm Lab

The text

As transmitted.

959 
WFUS54 KAMA 202238
TORAMA
TXC087-202315-
/O.NEW.KAMA.TO.W.0039.190520T2238Z-190520T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Amarillo TX
538 PM CDT Mon May 20 2019

The National Weather Service in Amarillo has issued a

* Tornado Warning for...
  Southeastern Collingsworth County in the Panhandle of Texas...

* Until 615 PM CDT.
    
* At 538 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles northwest of Dodson, or 7 miles east of
  Wellington, moving northeast at 25 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.

* This tornadic thunderstorm will remain over mainly rural areas of
  southeastern Collingsworth County.

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 3480 10019 3516 10001 3515 10000 3479 10000
TIME...MOT...LOC 2238Z 217DEG 23KT 3486 10008 

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

$$

LFM
1 follow-up statement
387 
WWUS54 KAMA 202255
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
555 PM CDT Mon May 20 2019

TXC087-202305-
/O.CAN.KAMA.TO.W.0039.000000T0000Z-190520T2315Z/
Collingsworth TX-
555 PM CDT Mon May 20 2019

...THE TORNADO WARNING FOR SOUTHEASTERN COLLINGSWORTH COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.  However small hail is
still possible with this thunderstorm.

A Tornado Watch remains in effect until 800 PM CDT for the Panhandle
of Texas.

LAT...LON 3480 10019 3516 10001 3515 10000 3479 10000
TIME...MOT...LOC 2253Z 217DEG 23KT 3495 10000 

$$

LFM

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 2:32 AM CDTSpecial Weather StatementAMAPotter58 min
May 20, 2:49 AM CDTSpecial Weather StatementAMAHartley, Oldham56 min
May 20, 3:20 AM CDTSpecial Weather StatementAMAHartley, Sherman55 min
May 20, 4:14 AM CDTSevere Thunderstorm WarningAMADeaf Smith, Oldham61 min
May 20, 4:18 AM CDTSpecial Weather StatementAMASherman57 min
May 20, 5:01 AM CDTSpecial Weather StatementAMAHansford59 min
May 20, 5:13 AM CDTSpecial Weather StatementAMASherman62 min
May 20, 5:27 AM CDTAreal Flood AdvisoryAMAHansford, Hartley, Hutchinson, Moore, Sherman6 hr
May 20, 5:40 AM CDTSevere Thunderstorm WarningAMAHansford, Ochiltree53 min
May 20, 5:53 AM CDTSevere Thunderstorm WarningAMAHansford, Hutchinson, Ochiltree, Roberts67 min
May 20, 6:29 AM CDTSpecial Weather StatementAMAOldham61 min
May 20, 6:41 AM CDTSevere Thunderstorm WarningAMAHemphill, Lipscomb, Ochiltree, Roberts64 min
May 20, 7:04 AM CDTSpecial Weather StatementAMASherman56 min
May 20, 7:30 AM CDTSevere Thunderstorm WarningAMAArmstrong, Carson, Deaf Smith, Oldham, Potter, Randall45 min
May 20, 7:45 AM CDTSpecial Weather StatementAMAMoore, Sherman45 min
May 20, 7:45 AM CDTSevere Thunderstorm WarningAMALipscomb15 min
May 20, 8:10 AM CDTSevere Thunderstorm WarningAMAArmstrong, Carson, Hutchinson, Moore, Potter, Randall and 1 more65 min
May 20, 8:23 AM CDTAreal Flood AdvisoryAMAArmstrong, Carson, Hutchinson, Moore, Potter, Randall3 hr
May 20, 8:56 AM CDTSevere Thunderstorm WarningAMACarson, Hansford, Hutchinson, Moore, Ochiltree, Potter and 1 more27 min
May 20, 9:28 AM CDTFlash Flood WarningAMAHansford, Hutchinson, Ochiltree, Roberts3 hr
May 20, 9:45 AM CDTAreal Flood AdvisoryAMALipscomb, Ochiltree, Roberts3 hr
May 20, 9:52 AM CDTFlash Flood WatchAMAArmstrong, Carson, Collingsworth, Donley, Gray, Hansford and 6 more21 hr
May 20, 10:32 AM CDTSpecial Weather StatementAMALipscomb28 min
May 20, 11:21 AM CDTSpecial Weather StatementAMADeaf Smith, Oldham24 min
May 20, 11:29 AM CDTAreal Flood AdvisoryAMACarson, Moore, Potter3 hr
May 20, 11:44 AM CDTSpecial Weather StatementAMAPotter46 min
May 20, 11:50 AM CDTSevere Thunderstorm WarningAMADeaf Smith, Oldham11 min
May 20, 11:59 AM CDTSevere Thunderstorm WarningAMADeaf Smith, Oldham46 min
May 20, 12:14 PM CDTSevere Thunderstorm WarningAMAHutchinson, Moore, Potter30 min
May 20, 12:27 PM CDTSevere Thunderstorm WarningAMAOldham, Potter32 min
May 20, 12:58 PM CDTSevere Thunderstorm WarningAMAMoore, Potter47 min
May 20, 1:45 PM CDTSpecial Weather StatementAMAHutchinson30 min
May 20, 1:51 PM CDTSevere Thunderstorm WarningAMAHansford, Hutchinson, Ochiltree, Roberts54 min
May 20, 1:53 PM CDTSpecial Weather StatementAMAWheeler37 min
May 20, 2:03 PM CDTAreal Flood AdvisoryAMAHansford, Hutchinson, Moore, Sherman3 hr
May 20, 2:53 PM CDTSevere Thunderstorm WarningAMADonley, Gray52 min
May 20, 3:02 PM CDTSevere Thunderstorm WarningAMAGray, Hemphill, Lipscomb, Ochiltree, Roberts, Wheeler48 min
May 20, 3:10 PM CDTSevere Thunderstorm WarningAMACollingsworth, Donley65 min
May 20, 3:26 PM CDTTornado WarningAMACollingsworth49 min
May 20, 3:28 PM CDTSevere Thunderstorm WarningAMAArmstrong, Donley62 min
May 20, 3:33 PM CDTTornado WarningAMACollingsworth, Donley27 min
May 20, 3:35 PM CDTSevere Thunderstorm WarningAMAGray, Hemphill, Roberts, Wheeler55 min
May 20, 3:52 PM CDTAreal Flood AdvisoryAMACollingsworth, Wheeler4 hr
May 20, 3:57 PM CDTSevere Thunderstorm WarningAMACollingsworth, Wheeler24 min
May 20, 4:22 PM CDTHigh Wind WatchAMADeaf Smith, Oldham, Potter, Randall15 hr
May 20, 4:39 PM CDTSpecial Weather StatementAMADonley36 min
May 20, 5:03 PM CDTSevere Thunderstorm WarningAMAWheeler38 min
May 20, 5:03 PM CDTSevere Thunderstorm WarningAMACollingsworth57 min
May 20, 5:47 PM CDTDense Fog AdvisoryAMADallam, Hansford, Hartley, Hemphill, Hutchinson, Lipscomb and 4 more12 hr

Nearby

Tornado Warnings in Texas, 2019Every tornado warning in 2019Tornadoes in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.