Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 25, NWS Amarillo, TX

March 16, 20214 counties in Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Mar 16, 2021, 11:53 PM CDT for 4 counties in Texas. It was in force for 52 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: Mar 16, 2021, 11:53 PM CDT (04:53 UTC)
Expired: Mar 17, 2021, 12:45 AM CDT
In force: 52 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 70.0 mph

Counties Hemphill County, TX, Lipscomb County, TX, Ochiltree County, TX, Roberts County, TX

The radar

The Amarillo radar (KAMA), 144 km from the middle of the area, began a volume at 04:53 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 17, 12:00 AM CDT	TSTM WND DMG	5 Nw Canadian, TX	SIX POWER POLES AND LINES REPORTED DOWN. ESTIMATED THUNDERSTORM WIND GUST 80 MPH.
Mar 17, 12:08 AM CDT	HAIL 1	2 Nne Canadian, TX

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 16, 7:49 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 4.9 hours before the alert went out and 144 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: 127 J/kg
Mixed-layer CIN: -82 J/kg
Mixed-layer LCL: 3287 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 235 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

308 
WUUS54 KAMA 170453
SVRAMA
TXC211-295-357-393-170600-
/O.NEW.KAMA.SV.W.0025.210317T0453Z-210317T0600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
1153 PM CDT Tue Mar 16 2021

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  Lipscomb County in the Panhandle of Texas...
  Northeastern Roberts County in the Panhandle of Texas...
  Hemphill County in the Panhandle of Texas...
  Southeastern Ochiltree County in the Panhandle of Texas...

* Until 100 AM CDT.

* At 1153 PM CDT, a severe thunderstorm was located 6 miles southwest
  of Canadian, moving northeast at 45 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Lipscomb, Canadian, Follett, Higgins, Lora, Glazier and Lake
  Marvin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3562 10038 3562 10054 3563 10054 3603 10078
      3650 10025 3650 10000 3584 10000
TIME...MOT...LOC 0453Z 237DEG 38KT 3585 10047 

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

Ferguson

3 follow-up statements

136 
WWUS54 KAMA 170511
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1211 AM CDT Wed Mar 17 2021

TXC357-393-170520-
/O.CAN.KAMA.SV.W.0025.000000T0000Z-210317T0600Z/
Roberts TX-Ochiltree TX-
1211 AM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ROBERTS AND
SOUTHEASTERN OCHILTREE COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
the Panhandle of Texas.

LAT...LON 3562 10038 3573 10047 3595 10054 3623 10055
      3650 10025 3650 10000 3584 10000
TIME...MOT...LOC 0510Z 237DEG 32KT 3592 10032 

$$

TXC211-295-170600-
/O.CON.KAMA.SV.W.0025.000000T0000Z-210317T0600Z/
Lipscomb TX-Hemphill TX-
1211 AM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT
FOR LIPSCOMB AND HEMPHILL COUNTIES...

At 1210 AM CDT, a severe thunderstorm was located near Canadian,
moving northeast at 35 mph.

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

SOURCE...Law enforcement. At 1209 AM CDT, law enforcement reported 
         quarter size hail in Canadian.

IMPACT...Expect some tree damage. Damage is likely to mobile homes, 
         roofs, and outbuildings. Hail damage to vehicles is 
         expected. Hail may accumulate on roadways causing hazardous 
         travel.

Locations impacted include...
Lipscomb, Canadian, Follett, Higgins, Glazier and Lake Marvin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3562 10038 3573 10047 3595 10054 3623 10055
      3650 10025 3650 10000 3584 10000
TIME...MOT...LOC 0510Z 237DEG 32KT 3592 10032 

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

Ferguson

277 
WWUS54 KAMA 170527
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1227 AM CDT Wed Mar 17 2021

TXC211-295-170600-
/O.CON.KAMA.SV.W.0025.000000T0000Z-210317T0600Z/
Lipscomb TX-Hemphill TX-
1227 AM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT
FOR EASTERN LIPSCOMB AND EASTERN HEMPHILL COUNTIES...

At 1227 AM CDT, a severe thunderstorm was located 5 miles north of
Lake Marvin, or 13 miles east of Canadian, moving northeast at 35
mph.

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

SOURCE...Radar indicated.

IMPACT...Expect some tree damage. Damage is likely to mobile homes, 
         roofs, and outbuildings. Hail damage to vehicles is 
         expected. Hail may accumulate on roadways causing hazardous 
         travel.

Locations impacted include...
Lipscomb, Higgins, Glazier and Lake Marvin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3571 10023 3596 10034 3624 10034 3650 10000
      3584 10000
TIME...MOT...LOC 0527Z 244DEG 32KT 3597 10016 

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

Ferguson

936 
WWUS54 KAMA 170545
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1245 AM CDT Wed Mar 17 2021

TXC211-295-170554-
/O.CAN.KAMA.SV.W.0025.000000T0000Z-210317T0600Z/
Lipscomb TX-Hemphill TX-
1245 AM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN LIPSCOMB AND EASTERN
HEMPHILL COUNTIES IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
the Panhandle of Texas.

LAT...LON 3571 10023 3596 10034 3624 10034 3650 10000
      3584 10000
TIME...MOT...LOC 0543Z 237DEG 38KT 3607 9997 

$$

Ferguson

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 16, 8:01 PM CDT	Special Weather Statement	AMA	Collingsworth	44 min
Mar 16, 8:02 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth	33 min
Mar 16, 8:17 PM CDT	Special Weather Statement	AMA	Roberts	43 min
Mar 16, 8:26 PM CDT	Special Weather Statement	AMA	Roberts	34 min
Mar 16, 8:33 PM CDT	Special Weather Statement	AMA	Wheeler	27 min
Mar 16, 8:49 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Roberts	41 min
Mar 16, 9:12 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb	48 min
Mar 16, 9:27 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb	63 min
Mar 16, 9:32 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb	58 min
Mar 16, 9:35 PM CDT	Special Weather Statement	AMA	Hutchinson, Roberts	40 min
Mar 16, 9:43 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Hutchinson, Moore, Ochiltree, Potter, Roberts	62 min
Mar 16, 10:43 PM CDT	Areal Flood Advisory	AMA	Hemphill, Hutchinson, Lipscomb, Ochiltree, Roberts	4 hr
Mar 16, 10:47 PM CDT	Special Weather Statement	AMA	Hutchinson	43 min
Mar 16, 10:54 PM CDT	Special Weather Statement	AMA	Gray, Roberts	36 min
Mar 16, 11:01 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Gray, Hemphill, Hutchinson, Ochiltree, Roberts and 1 more	59 min
Mar 16, 11:03 PM CDT	Special Weather Statement	AMA	Lipscomb	27 min
Mar 16, 11:08 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb, Ochiltree, Roberts	67 min
Mar 16, 11:20 PM CDT	Areal Flood Advisory	AMA	Gray, Hemphill, Lipscomb, Roberts, Wheeler	5 hr
Mar 17, 3:16 AM CDT	High Wind Warning	AMA	Collingsworth, Donley, Wheeler	15 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.