Alert archive / Texas / Tornado Warnings in 2021

Tornado Warning 4, NWS Amarillo, TX

March 13, 2021Moore County, Texas

NWS Amarillo, TX issued this tornado warning at Mar 13, 2021, 3:34 PM CST for Moore County, Texas. It was in force for 26 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
Mar 13, 2021, 3:34 PM CST (21:34 UTC)
Expired
Mar 13, 2021, 4:00 PM CST
In force
26 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Moore County, TX

The radar

The Amarillo radar (KAMA), 63 km from the middle of the area, began a volume at 21:35 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
Mar 13, 3:58 PM CSTHAIL 1Dumas, TXHAIL LASTED FROM ABOUT 358 PM TO 401 PM CST.

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
Mar 13, 12:36 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.6 hours before the alert went out and 64 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 2021-03-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 188 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 2021-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 square meters per square second.1939587897117Sfc1 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
188 J/kg
Mixed-layer CIN
-140 J/kg
Mixed-layer LCL
540 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
162 m²/s²
0-3 km storm-relative helicity
216 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.9

Open this sounding in Storm Lab

The text

As transmitted.

812 
WFUS54 KAMA 132134 RRA
TORAMA
TXC341-132200-
/O.NEW.KAMA.TO.W.0004.210313T2134Z-210313T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Amarillo TX
334 PM CST Sat Mar 13 2021

The National Weather Service in Amarillo has issued a

* Tornado Warning for...
  Southern Moore County in the Panhandle of Texas...

* Until 400 PM CST.
    
* At 334 PM CST, a severe thunderstorm capable of producing a tornado
  was located 8 miles west of Four Way, or 15 miles southwest of
  Dumas, moving northeast at 35 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...
  Dumas and Four Way. 

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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3573 10216 3593 10196 3575 10172 3562 10209
      3562 10216
TIME...MOT...LOC 2134Z 232DEG 28KT 3567 10211 

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

$$

Ferguson
1 follow-up statement
160 
WWUS54 KAMA 132151
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
351 PM CST Sat Mar 13 2021

TXC341-132201-
/O.EXP.KAMA.TO.W.0004.000000T0000Z-210313T2200Z/
Moore TX-
351 PM CST Sat Mar 13 2021

...THE TORNADO WARNING FOR SOUTHERN MOORE COUNTY WILL EXPIRE AT 400
PM CST...
    
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 Moore County 
until 430 PM CST.

A Tornado Watch remains in effect until 600 PM CST for the Panhandle
of Texas.

LAT...LON 3573 10216 3593 10196 3575 10172 3562 10209
      3562 10216
TIME...MOT...LOC 2151Z 232DEG 28KT 3574 10200 

$$

Ferguson

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 6:11 PM CSTSevere Thunderstorm WarningAMADeaf Smith, Oldham36 min
Mar 12, 6:24 PM CSTSpecial Weather StatementAMADeaf Smith51 min
Mar 12, 7:02 PM CSTDense Fog AdvisoryAMACarson, Dallam, Gray, Hansford, Hartley, Hemphill and 9 more16 hr
Mar 12, 7:11 PM CSTSpecial Weather StatementAMAMoore34 min
Mar 12, 7:12 PM CSTSpecial Weather StatementAMAOldham48 min
Mar 12, 7:39 PM CSTSevere Thunderstorm WarningAMACarson, Hutchinson, Moore, Potter66 min
Mar 12, 7:57 PM CSTSpecial Weather StatementAMAOldham48 min
Mar 12, 7:58 PM CSTSpecial Weather StatementAMAPotter47 min
Mar 12, 8:20 PM CSTSevere Thunderstorm WarningAMACarson, Gray, Hutchinson, Roberts55 min
Mar 12, 8:39 PM CSTSpecial Weather StatementAMAPotter36 min
Mar 12, 9:11 PM CSTSevere Thunderstorm WarningAMACarson, Gray, Hutchinson, Potter, Roberts79 min
Mar 12, 9:14 PM CSTSevere Thunderstorm WarningAMAHemphill, Lipscomb, Roberts19 min
Mar 12, 10:09 PM CSTSevere Thunderstorm WarningAMAGray, Hemphill, Roberts, Wheeler29 min
Mar 13, 7:41 AM CSTSpecial Weather StatementAMAOldham34 min
Mar 13, 7:50 AM CSTSpecial Weather StatementAMAMoore25 min
Mar 13, 7:54 AM CSTSevere Thunderstorm WarningAMAHartley, Moore, Sherman31 min
Mar 13, 8:26 AM CSTSpecial Weather StatementAMASherman34 min
Mar 13, 8:31 AM CSTSevere Thunderstorm WarningAMAMoore33 min
Mar 13, 1:18 PM CSTSpecial Weather StatementAMAOldham27 min
Mar 13, 1:45 PM CSTSpecial Weather StatementAMAHartley30 min
Mar 13, 1:54 PM CSTSevere Thunderstorm WarningAMADeaf Smith, Hartley, Oldham51 min
Mar 13, 2:24 PM CSTSevere Thunderstorm WarningAMADeaf Smith, Oldham66 min
Mar 13, 2:42 PM CSTTornado WarningAMADallam, Hartley, Moore33 min
Mar 13, 3:12 PM CSTSevere Thunderstorm WarningAMAArmstrong, Randall63 min
Mar 13, 3:14 PM CSTSpecial Weather StatementAMASherman31 min
Mar 13, 3:21 PM CSTTornado WarningAMARandall39 min
Mar 13, 3:30 PM CSTSevere Thunderstorm WarningAMAHartley, Moore, Oldham, Potter60 min
Mar 13, 3:34 PM CSTTornado WarningAMASherman26 min
Mar 13, 3:50 PM CSTTornado Warning Tornado observedConsiderable damage threatAMAArmstrong, Randall40 min
Mar 13, 4:00 PM CSTTornado WarningAMAArmstrong, Randall45 min
Mar 13, 4:21 PM CSTTornado Warning Tornado observedConsiderable damage threatAMAArmstrong, Carson39 min
Mar 13, 4:30 PM CSTSevere Thunderstorm WarningAMAHansford, Hutchinson, Moore, Sherman60 min
Mar 13, 4:42 PM CSTTornado Warning Tornado observedAMAArmstrong, Carson, Donley, Gray48 min
Mar 13, 4:52 PM CSTTornado WarningAMACarson, Gray38 min
Mar 13, 5:14 PM CSTTornado WarningAMAArmstrong, Donley46 min
Mar 13, 5:29 PM CSTSpecial Weather StatementAMAGray31 min
Mar 13, 5:30 PM CSTSpecial Weather StatementAMACarson30 min
Mar 13, 5:43 PM CSTTornado Warning Tornado observedAMADonley47 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.