Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 65, NWS Amarillo, TX

May 16, 2021Carson County, Moore County, Potter County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at May 16, 2021, 5:57 PM CDT for Carson County, Moore County, Potter County, Texas. It was in force for 63 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, 5:57 PM CDT (22:57 UTC)
Expired: May 16, 2021, 7:00 PM CDT
In force: 63 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Carson County, TX, Moore County, TX, Potter County, TX

The radar

The Amarillo radar (KAMA), 38 km from the middle of the area, began a volume at 23:01 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 12:00Z, 11.0 hours before the alert went out and 39 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1470 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -57 m²/s²
0-3 km storm-relative helicity: -16 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

515 
WUUS54 KAMA 162257
SVRAMA
TXC065-341-375-170000-
/O.NEW.KAMA.SV.W.0065.210516T2257Z-210517T0000Z/

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

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  West central Carson County in the Panhandle of Texas...
  Northern Potter County in the Panhandle of Texas...
  Southeastern Moore County in the Panhandle of Texas...

* Until 700 PM CDT.

* At 557 PM CDT, a severe thunderstorm was located 11 miles southeast
  of Masterson, or 19 miles north of Amarillo, and is nearly
  stationary.

  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.

* Locations impacted include...
  Masterson and Valley De Oro. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3545 10212 3561 10216 3573 10172 3538 10152
TIME...MOT...LOC 2257Z 231DEG 4KT 3549 10185 

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

Rutt

3 follow-up statements

984 
WWUS54 KAMA 162319
SVSAMA

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

TXC065-341-375-170000-
/O.CON.KAMA.SV.W.0065.000000T0000Z-210517T0000Z/
Carson TX-Potter TX-Moore TX-
619 PM CDT Sun May 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR WEST CENTRAL CARSON...NORTHERN POTTER AND SOUTHEASTERN MOORE
COUNTIES...

At 619 PM CDT, a severe thunderstorm was located 11 miles southeast
of Masterson, or 21 miles north of Amarillo, moving east at 5 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.

This severe thunderstorm will remain over mainly rural areas of west
central Carson, northern Potter and southeastern Moore Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3544 10202 3560 10209 3568 10169 3538 10152
TIME...MOT...LOC 2319Z 257DEG 5KT 3551 10182 

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

Rutt

139 
WWUS54 KAMA 162343
SVSAMA

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

TXC065-341-375-170000-
/O.CON.KAMA.SV.W.0065.000000T0000Z-210517T0000Z/
Carson TX-Potter TX-Moore TX-
643 PM CDT Sun May 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR NORTHWESTERN CARSON...NORTHEASTERN POTTER AND SOUTHEASTERN MOORE
COUNTIES...

At 643 PM CDT, a severe thunderstorm was located 11 miles southwest
of Lake Meredith, or 22 miles north of Amarillo, and is nearly
stationary.

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.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3546 10196 3562 10201 3568 10169 3542 10155
TIME...MOT...LOC 2343Z 231DEG 4KT 3553 10179 

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

Rutt

314 
WWUS54 KAMA 162356
SVSAMA

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

TXC065-341-375-170006-
/O.EXP.KAMA.SV.W.0065.000000T0000Z-210517T0000Z/
Carson TX-Potter TX-Moore TX-
656 PM CDT Sun May 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CARSON...
NORTHEASTERN POTTER AND SOUTHEASTERN MOORE COUNTIES WILL EXPIRE AT
700 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However heavy rain
is still possible with this thunderstorm.

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

LAT...LON 3546 10196 3562 10201 3568 10169 3542 10155
TIME...MOT...LOC 2356Z 231DEG 4KT 3554 10178 

$$

Rutt

The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 7:40 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley	20 min
May 15, 9:09 PM CDT	Special Weather Statement	AMA	Sherman	36 min
May 15, 9:22 PM CDT	Severe Thunderstorm Warning	AMA	Moore, Sherman	23 min
May 15, 9:27 PM CDT	Special Weather Statement	AMA	Potter	33 min
May 15, 9:32 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham, Potter, Randall	28 min
May 15, 9:49 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson, Moore, Sherman	16 min
May 15, 9:59 PM CDT	Severe Thunderstorm Warning	AMA	Hansford	28 min
May 15, 10:14 PM CDT	Special Weather Statement	AMA	Randall	31 min
May 15, 10:36 PM CDT	Special Weather Statement	AMA	Armstrong	24 min
May 15, 11:11 PM CDT	Special Weather Statement	AMA	Potter	64 min
May 15, 11:32 PM CDT	Special Weather Statement	AMA	Ochiltree	58 min
May 15, 11:47 PM CDT	Areal Flood Advisory	AMA	Potter, Randall	3 hr
May 16, 4:25 PM CDT	Special Weather Statement	AMA	Potter	35 min
May 16, 4:34 PM CDT	Severe Thunderstorm Warning	AMA	Moore, Potter	56 min
May 16, 4:37 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Potter, Randall	68 min
May 16, 4:46 PM CDT	Severe Thunderstorm Warning	AMA	Potter, Randall	59 min
May 16, 5:22 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham	53 min
May 16, 5:45 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Potter, Randall	60 min
May 16, 6:12 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham	63 min
May 16, 6:33 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Potter, Randall	44 min
May 16, 6:41 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Randall	64 min
May 16, 6:48 PM CDT	Areal Flood Advisory	AMA	Deaf Smith, Randall	3 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.