Alert archive / Texas / Tornado Warnings in 2021

Tornado Warning 1, NWS Amarillo, TX

March 13, 2021Dallam County, Hartley County, Moore County, Texas

NWS Amarillo, TX issued this tornado warning at Mar 13, 2021, 2:42 PM CST for Dallam County, Hartley County, Moore County, Texas. It was in force for 33 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: Mar 13, 2021, 2:42 PM CST (20:42 UTC)
Expired: Mar 13, 2021, 3:15 PM CST
In force: 33 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Dallam County, TX, Hartley County, TX, Moore County, TX

The radar

The Amarillo radar (KAMA), 96 km from the middle of the area, began a volume at 20:42 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.

Issued	Product	Office	Lasted
Mar 13, 12:36 PM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 8.7 hours before the alert went out and 97 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: 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.

639 
WFUS54 KAMA 132042
TORAMA
TXC111-205-341-132115-
/O.NEW.KAMA.TO.W.0001.210313T2042Z-210313T2115Z/

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

The National Weather Service in Amarillo has issued a

* Tornado Warning for...
  Southeastern Dallam County in the Panhandle of Texas...
  Northwestern Moore County in the Panhandle of Texas...
  Eastern Hartley County in the Panhandle of Texas...

* Until 315 PM CST.
    
* At 241 PM CST, a severe thunderstorm capable of producing a tornado
  was located over Hartley, or 16 miles southeast of Dalhart, moving
  northeast at 55 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...
  Hartley.

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 3614 10221 3608 10216 3606 10216 3605 10214
      3585 10205 3563 10245 3585 10271
TIME...MOT...LOC 2041Z 234DEG 49KT 3585 10240 

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

$$

LFM

2 follow-up statements

547 
WWUS54 KAMA 132053
SVSAMA

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

TXC111-205-341-132115-
/O.CON.KAMA.TO.W.0001.000000T0000Z-210313T2115Z/
Dallam TX-Moore TX-Hartley TX-
253 PM CST Sat Mar 13 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CST FOR
SOUTHEASTERN DALLAM...NORTHWESTERN MOORE AND EASTERN HARTLEY
COUNTIES...
    
At 253 PM CST, a severe thunderstorm capable of producing a tornado
was located 5 miles east of Hartley, or 15 miles southeast of
Dalhart, moving northeast at 50 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...
Hartley.

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 3614 10221 3608 10216 3606 10216 3605 10214
      3585 10205 3568 10236 3594 10256
TIME...MOT...LOC 2053Z 233DEG 43KT 3591 10230 

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

$$

LFM

468 
WWUS54 KAMA 132104
SVSAMA

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

TXC111-205-341-132115-
/O.CON.KAMA.TO.W.0001.000000T0000Z-210313T2115Z/
Dallam TX-Moore TX-Hartley TX-
304 PM CST Sat Mar 13 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CST FOR
SOUTHEASTERN DALLAM...NORTHWESTERN MOORE AND NORTHEASTERN HARTLEY
COUNTIES...
    
At 304 PM CST, a severe thunderstorm capable of producing a tornado
was located 11 miles northeast of Hartley, or 15 miles northwest of
Dumas, moving northeast at 50 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 Dallam, northwestern Moore and northeastern 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 3614 10221 3608 10216 3606 10216 3605 10214
      3585 10205 3573 10227 3601 10243
TIME...MOT...LOC 2104Z 232DEG 43KT 3597 10222 

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

$$

LFM

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 12, 6:11 PM CST	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham	36 min
Mar 12, 6:24 PM CST	Special Weather Statement	AMA	Deaf Smith	51 min
Mar 12, 7:02 PM CST	Dense Fog Advisory	AMA	Carson, Dallam, Gray, Hansford, Hartley, Hemphill and 9 more	16 hr
Mar 12, 7:11 PM CST	Special Weather Statement	AMA	Moore	34 min
Mar 12, 7:12 PM CST	Special Weather Statement	AMA	Oldham	48 min
Mar 12, 7:39 PM CST	Severe Thunderstorm Warning	AMA	Carson, Hutchinson, Moore, Potter	66 min
Mar 12, 7:57 PM CST	Special Weather Statement	AMA	Oldham	48 min
Mar 12, 7:58 PM CST	Special Weather Statement	AMA	Potter	47 min
Mar 12, 8:20 PM CST	Severe Thunderstorm Warning	AMA	Carson, Gray, Hutchinson, Roberts	55 min
Mar 12, 8:39 PM CST	Special Weather Statement	AMA	Potter	36 min
Mar 12, 9:11 PM CST	Severe Thunderstorm Warning	AMA	Carson, Gray, Hutchinson, Potter, Roberts	79 min
Mar 12, 9:14 PM CST	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb, Roberts	19 min
Mar 12, 10:09 PM CST	Severe Thunderstorm Warning	AMA	Gray, Hemphill, Roberts, Wheeler	29 min
Mar 13, 7:41 AM CST	Special Weather Statement	AMA	Oldham	34 min
Mar 13, 7:50 AM CST	Special Weather Statement	AMA	Moore	25 min
Mar 13, 7:54 AM CST	Severe Thunderstorm Warning	AMA	Hartley, Moore, Sherman	31 min
Mar 13, 8:26 AM CST	Special Weather Statement	AMA	Sherman	34 min
Mar 13, 8:31 AM CST	Severe Thunderstorm Warning	AMA	Moore	33 min
Mar 13, 1:18 PM CST	Special Weather Statement	AMA	Oldham	27 min
Mar 13, 1:45 PM CST	Special Weather Statement	AMA	Hartley	30 min
Mar 13, 1:54 PM CST	Severe Thunderstorm Warning	AMA	Deaf Smith, Hartley, Oldham	51 min
Mar 13, 2:24 PM CST	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham	66 min
Mar 13, 3:12 PM CST	Severe Thunderstorm Warning	AMA	Armstrong, Randall	63 min
Mar 13, 3:14 PM CST	Special Weather Statement	AMA	Sherman	31 min
Mar 13, 3:21 PM CST	Tornado Warning	AMA	Randall	39 min
Mar 13, 3:30 PM CST	Severe Thunderstorm Warning	AMA	Hartley, Moore, Oldham, Potter	60 min
Mar 13, 3:34 PM CST	Tornado Warning	AMA	Sherman	26 min
Mar 13, 3:34 PM CST	Tornado Warning	AMA	Moore	26 min
Mar 13, 3:50 PM CST	Tornado Warning Tornado observedConsiderable damage threat	AMA	Armstrong, Randall	40 min
Mar 13, 4:00 PM CST	Tornado Warning	AMA	Armstrong, Randall	45 min
Mar 13, 4:21 PM CST	Tornado Warning Tornado observedConsiderable damage threat	AMA	Armstrong, Carson	39 min
Mar 13, 4:30 PM CST	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson, Moore, Sherman	60 min
Mar 13, 4:42 PM CST	Tornado Warning Tornado observed	AMA	Armstrong, Carson, Donley, Gray	48 min
Mar 13, 4:52 PM CST	Tornado Warning	AMA	Carson, Gray	38 min
Mar 13, 5:14 PM CST	Tornado Warning	AMA	Armstrong, Donley	46 min
Mar 13, 5:29 PM CST	Special Weather Statement	AMA	Gray	31 min
Mar 13, 5:30 PM CST	Special Weather Statement	AMA	Carson	30 min
Mar 13, 5:43 PM CST	Tornado Warning Tornado observed	AMA	Donley	47 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.