Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 15, NWS Amarillo, TX

March 13, 20215 counties in Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Mar 13, 2021, 7:52 PM CST for 5 counties in Texas. It was in force for 83 min. 5 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: Mar 13, 2021, 7:52 PM CST (01:52 UTC)
Expired: Mar 13, 2021, 9:15 PM CST
In force: 83 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Tornado: Possible
Hail: 1.75 in
Wind: 70.0 mph

Counties Gray County, TX, Hemphill County, TX, Lipscomb County, TX, Roberts County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 106 km from the middle of the area, began a volume at 01:53 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

Time	Report	Where	Remark
Mar 13, 7:56 PM CST	HAIL 1.25	7 Sse Codman, TX	CHASERS SAID THERE WAS LOTS OF QUARTER SIZE TO HALF DOLLAR SIZE HAIL STONES. HAIL ACCUMULATING ON THE GROUND UP TO 2 INCHES. REALLY STRONG WINDS ESTIMATING WITHOUT DESCRIPTORS ABOUT 70 TO 80 MPH.
Mar 13, 7:59 PM CST	TSTM WND GST 80	Miami, TX	MEASURED FROM WEATHER INSTRUMENT ON VEHICLE.
Mar 13, 8:44 PM CST	HAIL 1	Canadian, TX	PICTURE ON TWITTER.
Mar 13, 8:53 PM CST	TSTM WND GST 70	Canadian, TX
Mar 13, 8:55 PM CST	TSTM WND GST 62	1 Sw Canadian, TX	AWOS STATION KHHF CANADIAN (AWOS).

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.

Issued	Product	Office	Lasted
Mar 13, 2:26 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 1.9 hours before the alert went out and 252 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: 199 J/kg
Mixed-layer CIN: -95 J/kg
Mixed-layer LCL: 473 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 469 m²/s²
0-3 km storm-relative helicity: 534 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.4

Open this sounding in Storm Lab

The text

As transmitted.

133 
WUUS54 KAMA 140152
SVRAMA
TXC179-211-295-393-483-140315-
/O.NEW.KAMA.SV.W.0015.210314T0152Z-210314T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
752 PM CST Sat Mar 13 2021

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  Wheeler County in the Panhandle of Texas...
  Southeastern Lipscomb County in the Panhandle of Texas...
  Eastern Gray County in the Panhandle of Texas...
  Southern Roberts County in the Panhandle of Texas...
  Hemphill County in the Panhandle of Texas...

* Until 915 PM CST.

* At 751 PM CST, severe thunderstorms were located along a line
  extending from 11 miles northwest of Miami to 3 miles east of
  Codman to 5 miles south of Lefors, moving northeast at 45 mph.

  HAZARD...Golf ball size hail and 70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect some tree damage. Damage is likely to mobile 
           homes, roofs, and outbuildings. People and animals 
           outdoors will be injured. Expect hail damage to roofs, 
           siding, windows, and vehicles.

* Locations impacted include...
  Canadian, Miami, Briscoe, Wheeler, Lefors, Higgins, New Mobeetie,
  Allison, Glazier, Lake Marvin, Kellerville, Lora, Codman and
  Mobeetie.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 900 PM CST for the Panhandle
of Texas.

For your protection move to an interior room on the lowest floor of a
building.

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

&&

LAT...LON 3522 10091 3552 10090 3573 10100 3638 10000
      3538 10000
TIME...MOT...LOC 0151Z 220DEG 37KT 3582 10078 3563 10070 3536 10077 

TORNADO...POSSIBLE
HAIL...1.75IN
WIND...70MPH
 
$$

Ferguson

2 follow-up statements

729 
WWUS54 KAMA 140250
SVSAMA

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

TXC179-211-295-393-483-140315-
/O.CON.KAMA.SV.W.0015.000000T0000Z-210314T0315Z/
Wheeler TX-Lipscomb TX-Gray TX-Roberts TX-Hemphill TX-
850 PM CST Sat Mar 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CST
FOR WHEELER...SOUTHEASTERN LIPSCOMB...EASTERN GRAY...SOUTHEASTERN
ROBERTS AND HEMPHILL COUNTIES...

At 849 PM CST, severe thunderstorms were located along a line
extending from 6 miles southeast of Lipscomb to 10 miles northwest of
Briscoe to 5 miles southwest of Kellerville, moving east at 45 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Public. At 844 PM CST, quarter size hail was reported in 
         Canadian.

IMPACT...Minor damage to roofs, siding, and trees is possible. Hail 
         damage to vehicles is expected.

Locations impacted include...
Canadian, Briscoe, Wheeler, Lefors, Higgins, New Mobeetie, Lora,
Allison, Glazier, Lake Marvin, Kellerville and Mobeetie.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A Tornado Watch remains in effect until 900 PM CST for the Panhandle
of Texas.

LAT...LON 3522 10091 3546 10084 3562 10064 3601 10057
      3638 10000 3538 10000
TIME...MOT...LOC 0249Z 249DEG 41KT 3615 10022 3573 10037 3533 10058 

HAIL...1.00IN
WIND...60MPH
 
$$

Ferguson

061 
WWUS54 KAMA 140255
SVSAMA

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

TXC179-211-295-393-483-140315-
/O.CON.KAMA.SV.W.0015.000000T0000Z-210314T0315Z/
Wheeler TX-Lipscomb TX-Gray TX-Roberts TX-Hemphill TX-
855 PM CST Sat Mar 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CST
FOR WHEELER...SOUTHEASTERN LIPSCOMB...EASTERN GRAY...SOUTHEASTERN
ROBERTS AND HEMPHILL COUNTIES...

At 854 PM CST, severe thunderstorms were located along a line
extending from 6 miles southeast of Lipscomb to 11 miles east of Lora
to 4 miles southwest of Kellerville, moving northeast at 45 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Trained weather spotters. At 853 PM CDT, trained spotters 
         reported power outages and estimated 65 to 70 mph wind 
         gusts in Canadian.

IMPACT...Expect some tree damage. Damage is likely to mobile homes, 
         roofs, and outbuildings. Hail damage to vehicles is 
         expected.

Locations impacted include...
Canadian, Briscoe, Wheeler, Lefors, Higgins, New Mobeetie, Lora,
Allison, Glazier, Lake Marvin, Kellerville and Mobeetie.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

A Tornado Watch remains in effect until 900 PM CST for the Panhandle
of Texas.

LAT...LON 3522 10091 3546 10084 3562 10064 3601 10057
      3638 10000 3538 10000
TIME...MOT...LOC 0254Z 220DEG 37KT 3616 10021 3574 10036 3534 10057 

HAIL...1.00IN
WIND...70MPH
 
$$

Ferguson

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 13, 6:11 PM CST	Special Weather Statement	AMA	Armstrong	34 min
Mar 13, 6:23 PM CST	Tornado Warning	AMA	Collingsworth, Donley, Gray, Wheeler	37 min
Mar 13, 6:43 PM CST	Special Weather Statement	AMA	Armstrong, Carson	32 min
Mar 13, 6:52 PM CST	Tornado Warning	AMA	Gray, Hemphill, Roberts, Wheeler	38 min
Mar 13, 7:01 PM CST	Areal Flood Advisory	AMA	Armstrong, Carson	3 hr
Mar 13, 7:03 PM CST	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Donley, Gray, Roberts	57 min
Mar 13, 8:23 PM CST	Special Weather Statement	AMA	Collingsworth, Donley	67 min
Mar 13, 8:39 PM CST	Special Weather Statement	AMA	Lipscomb	96 min
Mar 13, 8:58 PM CST	Areal Flood Advisory	AMA	Hemphill, Lipscomb	3 hr
Mar 13, 9:18 PM CST	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb	42 min
Mar 13, 9:21 PM CST	Special Weather Statement	AMA	Collingsworth, Hemphill, Wheeler	84 min
Mar 13, 9:53 PM CST	Special Weather Statement	AMA	Lipscomb	52 min
Mar 14, 6:18 AM CDT	Wind Advisory	AMA	Deaf Smith, Oldham, Potter, Randall	14 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2021 Every severe thunderstorm warning 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.