Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 74, NWS Amarillo, TX

May 16, 2021Carson County, Potter County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at May 16, 2021, 7:46 PM CDT for Carson County, Potter County, Texas. It was in force for 59 min. 1 report 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
May 16, 2021, 7:46 PM CDT (00:46 UTC)
Expired
May 16, 2021, 8:45 PM CDT
In force
59 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Carson County, TX, Potter County, TX

The radar

The Amarillo radar (KAMA), 28 km from the middle of the area, began a volume at 00:50 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

TimeReportWhereRemark
May 16, 8:19 PM CDTHAIL 0.754 Wsw White Deer, 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.

IssuedProductOfficeLasted
May 16, 3:43 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.8 hours before the alert went out and 27 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-pSkew-T log-p diagram, Amarillo Airport, TX at 00:00Z on 2021-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 449 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 2021-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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.

942 
WUUS54 KAMA 170046
SVRAMA
TXC065-375-170145-
/O.NEW.KAMA.SV.W.0074.210517T0046Z-210517T0145Z/

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

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  Central Carson County in the Panhandle of Texas...
  East central Potter County in the Panhandle of Texas...

* Until 845 PM CDT.

* At 746 PM CDT, a severe thunderstorm was located 9 miles northwest
  of Panhandle, moving east at 15 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Panhandle and Pantex. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3535 10168 3556 10160 3553 10116 3519 10128
TIME...MOT...LOC 0046Z 287DEG 13KT 3542 10151 

HAIL...1.25IN
WIND...60MPH
 
$$

Rutt
3 follow-up statements
057 
WWUS54 KAMA 170109
SVSAMA

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

TXC375-170118-
/O.CAN.KAMA.SV.W.0074.000000T0000Z-210517T0145Z/
Potter TX-
809 PM CDT Sun May 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL POTTER COUNTY 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 1100 PM CDT for
the Panhandle of Texas.

LAT...LON 3540 10159 3555 10153 3553 10116 3519 10128
TIME...MOT...LOC 0108Z 274DEG 14KT 3542 10141 

$$

TXC065-170145-
/O.CON.KAMA.SV.W.0074.000000T0000Z-210517T0145Z/
Carson TX-
809 PM CDT Sun May 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR CENTRAL CARSON COUNTY...

At 808 PM CDT, a severe thunderstorm was located 5 miles north of
Panhandle, moving east at 15 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Panhandle.

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 3540 10159 3555 10153 3553 10116 3519 10128
TIME...MOT...LOC 0108Z 274DEG 14KT 3542 10141 

HAIL...1.25IN
WIND...60MPH
 
$$

Rutt
717 
WWUS54 KAMA 170124
SVSAMA

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

TXC065-170145-
/O.CON.KAMA.SV.W.0074.000000T0000Z-210517T0145Z/
Carson TX-
824 PM CDT Sun May 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR CENTRAL CARSON COUNTY...

At 824 PM CDT, a severe thunderstorm was located 6 miles east of
Panhandle, moving east at 25 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.

Locations impacted include...
Panhandle.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3535 10151 3554 10141 3553 10116 3519 10128
TIME...MOT...LOC 0124Z 289DEG 20KT 3538 10128 

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

Rutt
167 
WWUS54 KAMA 170137
SVSAMA

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

TXC065-170146-
/O.EXP.KAMA.SV.W.0074.000000T0000Z-210517T0145Z/
Carson TX-
837 PM CDT Sun May 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CARSON COUNTY WILL
EXPIRE AT 845 PM CDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However small hail and gusty winds are still
possible with this thunderstorm.

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

LAT...LON 3535 10151 3554 10141 3553 10116 3519 10128
TIME...MOT...LOC 0136Z 287DEG 13KT 3537 10123 

$$

Rutt

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 7:01 PM CDTSevere Thunderstorm WarningAMADeaf Smith, Oldham14 min
May 16, 7:06 PM CDTSevere Thunderstorm WarningAMACarson, Potter54 min
May 16, 7:15 PM CDTFlash Flood WarningAMARandall5 hr
May 16, 7:20 PM CDTSevere Thunderstorm WarningAMADonley55 min
May 16, 7:35 PM CDTSevere Thunderstorm WarningAMAArmstrong, Randall55 min
May 16, 7:44 PM CDTSevere Thunderstorm WarningAMARandall61 min
May 16, 7:58 PM CDTSevere Thunderstorm WarningAMADallam, Hartley, Sherman62 min
May 16, 8:13 PM CDTSevere Thunderstorm WarningAMADonley62 min
May 16, 8:47 PM CDTSevere Thunderstorm WarningAMACarson, Oldham, Potter43 min
May 16, 9:08 PM CDTAreal Flood AdvisoryAMADonley3 hr
May 16, 9:19 PM CDTSevere Thunderstorm WarningAMASherman41 min
May 16, 11:37 PM CDTSpecial Weather StatementAMAOldham23 min
May 16, 11:40 PM CDTAreal Flood AdvisoryAMAPotter, Randall3 hr
May 17, 12:06 AM CDTSpecial Weather StatementAMAPotter24 min
May 17, 12:12 AM CDTSpecial Weather StatementAMAOldham33 min
May 17, 12:16 AM CDTAreal Flood AdvisoryAMARandall3 hr
May 17, 12:35 AM CDTSpecial Weather StatementAMARandall25 min
May 17, 12:45 AM CDTSpecial Weather StatementAMAPotter30 min
May 17, 12:46 AM CDTSpecial Weather StatementAMAPotter29 min
May 17, 1:02 AM CDTSpecial Weather StatementAMARandall28 min
May 17, 2:58 PM CDTFlash Flood WatchAMAArmstrong, Carson, Collingsworth, Deaf Smith, Donley, Gray and 4 more7 hr
May 17, 4:47 PM CDTSpecial Weather StatementAMAOldham43 min
May 17, 5:16 PM CDTSevere Thunderstorm WarningAMAOchiltree, Roberts59 min
May 17, 5:48 PM CDTSpecial Weather StatementAMAHartley, Oldham57 min
May 17, 5:50 PM CDTSevere Thunderstorm WarningAMAHartley, Oldham55 min
May 17, 6:14 PM CDTSevere Thunderstorm WarningAMARoberts41 min
May 17, 6:28 PM CDTSevere Thunderstorm WarningAMADeaf Smith, Randall62 min
May 17, 6:33 PM CDTTornado WarningAMAHartley, Oldham19 min
May 17, 6:42 PM CDTSevere Thunderstorm WarningAMAHartley, Oldham93 min
May 17, 6:54 PM CDTSevere Thunderstorm WarningAMAArmstrong, Randall66 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021Every 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.