Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 70, NWS Amarillo, TX

May 16, 2021Carson County, Potter County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at May 16, 2021, 7:06 PM CDT for Carson County, Potter County, Texas. It was in force for 54 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 16, 2021, 7:06 PM CDT (00:06 UTC)
Expired: May 16, 2021, 8:00 PM CDT
In force: 54 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Carson County, TX, Potter County, TX

The radar

The Amarillo radar (KAMA), 30 km from the middle of the area, began a volume at 00:08 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
May 16, 3:43 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.1 hours before the alert went out and 30 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: 449 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 2191 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 98 m²/s²
0-3 km storm-relative helicity: 250 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.5

Open this sounding in Storm Lab

The text

As transmitted.

074 
WUUS54 KAMA 170006
SVRAMA
TXC065-375-170100-
/O.NEW.KAMA.SV.W.0070.210517T0006Z-210517T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
706 PM CDT Sun May 16 2021

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  Northwestern Carson County in the Panhandle of Texas...
  Northeastern Potter County in the Panhandle of Texas...

* Until 800 PM CDT.

* At 706 PM CDT, a severe thunderstorm was located 12 miles southeast
  of Masterson, or 20 miles north of Amarillo, moving east at 10 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Minor damage to roofs, siding, and trees is possible. 
           Hail damage to vehicles is expected. Hail may accumulate 
           on roadways causing hazardous travel.

* This severe thunderstorm will remain over mainly rural areas of
  northwestern Carson and northeastern Potter Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3548 10195 3560 10188 3558 10155 3531 10166
TIME...MOT...LOC 0006Z 286DEG 9KT 3550 10181 

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

Rutt

2 follow-up statements

029 
WWUS54 KAMA 170013
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
713 PM CDT Sun May 16 2021

TXC065-375-170100-
/O.CON.KAMA.SV.W.0070.000000T0000Z-210517T0100Z/
Carson TX-Potter TX-
713 PM CDT Sun May 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR NORTHWESTERN CARSON AND NORTHEASTERN POTTER COUNTIES...

At 713 PM CDT, a severe thunderstorm was located 12 miles southwest
of Lake Meredith, or 20 miles north of Amarillo, moving east at 10
mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Minor damage to roofs, siding, and trees is possible. 
         People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Hail may 
         accumulate on roadways causing hazardous travel.

This severe thunderstorm will remain over mainly rural areas of
northwestern Carson and northeastern Potter Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3548 10195 3560 10188 3558 10155 3531 10166
TIME...MOT...LOC 0013Z 286DEG 9KT 3550 10179 

HAIL...1.50IN
WIND...60MPH
 
$$

Rutt

828 
WWUS54 KAMA 170053
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
753 PM CDT Sun May 16 2021

TXC065-375-170102-
/O.EXP.KAMA.SV.W.0070.000000T0000Z-210517T0100Z/
Carson TX-Potter TX-
753 PM CDT Sun May 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CARSON AND
NORTHEASTERN POTTER COUNTIES WILL EXPIRE AT 800 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
the Panhandle of Texas.

Remember, a Severe Thunderstorm Warning still remains in effect 
for Carson County.

LAT...LON 3548 10195 3560 10188 3558 10155 3531 10166
TIME...MOT...LOC 0052Z 286DEG 9KT 3547 10168 

$$

Rutt

The office that day

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

Issued	Product	Office	Counties	Lasted
May 16, 7:01 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham	14 min
May 16, 7:15 PM CDT	Flash Flood Warning	AMA	Randall	5 hr
May 16, 7:20 PM CDT	Severe Thunderstorm Warning	AMA	Donley	55 min
May 16, 7:35 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Randall	55 min
May 16, 7:44 PM CDT	Severe Thunderstorm Warning	AMA	Randall	61 min
May 16, 7:46 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Potter	59 min
May 16, 7:58 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley, Sherman	62 min
May 16, 8:13 PM CDT	Severe Thunderstorm Warning	AMA	Donley	62 min
May 16, 8:47 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Oldham, Potter	43 min
May 16, 9:08 PM CDT	Areal Flood Advisory	AMA	Donley	3 hr
May 16, 9:19 PM CDT	Severe Thunderstorm Warning	AMA	Sherman	41 min
May 16, 11:37 PM CDT	Special Weather Statement	AMA	Oldham	23 min
May 16, 11:40 PM CDT	Areal Flood Advisory	AMA	Potter, Randall	3 hr
May 17, 12:06 AM CDT	Special Weather Statement	AMA	Potter	24 min
May 17, 12:12 AM CDT	Special Weather Statement	AMA	Oldham	33 min
May 17, 12:16 AM CDT	Areal Flood Advisory	AMA	Randall	3 hr
May 17, 12:35 AM CDT	Special Weather Statement	AMA	Randall	25 min
May 17, 12:45 AM CDT	Special Weather Statement	AMA	Potter	30 min
May 17, 12:46 AM CDT	Special Weather Statement	AMA	Potter	29 min
May 17, 1:02 AM CDT	Special Weather Statement	AMA	Randall	28 min
May 17, 2:58 PM CDT	Flash Flood Watch	AMA	Armstrong, Carson, Collingsworth, Deaf Smith, Donley, Gray and 4 more	7 hr
May 17, 4:47 PM CDT	Special Weather Statement	AMA	Oldham	43 min
May 17, 5:16 PM CDT	Severe Thunderstorm Warning	AMA	Ochiltree, Roberts	59 min
May 17, 5:48 PM CDT	Special Weather Statement	AMA	Hartley, Oldham	57 min
May 17, 5:50 PM CDT	Severe Thunderstorm Warning	AMA	Hartley, Oldham	55 min
May 17, 6:14 PM CDT	Severe Thunderstorm Warning	AMA	Roberts	41 min
May 17, 6:28 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Randall	62 min
May 17, 6:33 PM CDT	Tornado Warning	AMA	Hartley, Oldham	19 min
May 17, 6:42 PM CDT	Severe Thunderstorm Warning	AMA	Hartley, Oldham	93 min
May 17, 6:54 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Randall	66 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.