Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 23, NWS Amarillo, TX

March 16, 20217 counties in Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Mar 16, 2021, 11:01 PM CDT for 7 counties in Texas. It was in force for 59 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, 11:01 PM CDT (04:01 UTC)
Expired
Mar 17, 2021, 12:00 AM CDT
In force
59 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Carson County, TX, Gray County, TX, Hemphill County, TX, Hutchinson County, TX, Ochiltree County, TX, Roberts County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 81 km from the middle of the area, began a volume at 04:03 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
Mar 16, 11:07 PM CDTHAIL 1.51 Nw Pampa, TX
Mar 16, 11:10 PM CDTHAIL 15 N Kingsmill, 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
Mar 16, 7:49 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 4.0 hours before the alert went out and 81 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 2021-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 127 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 2021-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 square meters per square second.1939587897117Sfc1 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
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.

646 
WUUS54 KAMA 170401
SVRAMA
TXC065-179-211-233-357-393-483-170500-
/O.NEW.KAMA.SV.W.0023.210317T0401Z-210317T0500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
1101 PM CDT Tue Mar 16 2021

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  Northwestern Wheeler County in the Panhandle of Texas...
  Northeastern Carson County in the Panhandle of Texas...
  Eastern Hutchinson County in the Panhandle of Texas...
  Gray County in the Panhandle of Texas...
  Roberts County in the Panhandle of Texas...
  Southwestern Hemphill County in the Panhandle of Texas...
  South central Ochiltree County in the Panhandle of Texas...

* Until midnight CDT.

* At 1100 PM CDT, a severe thunderstorm was located over Pampa,
  moving northeast at 30 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Blowing dust and reduced visibilities are likely. Minor 
           damage to roofs, siding, and trees is possible. Hail 
           damage to vehicles is expected.

* Locations impacted include...
  Pampa, Miami, Lefors, New Mobeetie, Lake Mcclellan, Kingsmill,
  Codman, Kellerville and Mobeetie.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3518 10088 3518 10092 3594 10140 3612 10082
      3541 10034
TIME...MOT...LOC 0400Z 234DEG 25KT 3556 10101 

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

TLH
4 follow-up statements
671 
WWUS54 KAMA 170412
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1112 PM CDT Tue Mar 16 2021

TXC065-179-211-233-357-393-483-170500-
/O.CON.KAMA.SV.W.0023.000000T0000Z-210317T0500Z/
Wheeler TX-Carson TX-Hutchinson TX-Gray TX-Roberts TX-Hemphill TX-
Ochiltree TX-
1112 PM CDT Tue Mar 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR NORTHWESTERN WHEELER...NORTHEASTERN CARSON...EASTERN
HUTCHINSON...GRAY...ROBERTS...SOUTHWESTERN HEMPHILL AND SOUTH CENTRAL
OCHILTREE COUNTIES...

At 1111 PM CDT, a severe thunderstorm was located 4 miles northeast
of Pampa, moving northeast at 30 mph.

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

SOURCE...Trained weather spotter located 1 NW of Pampa.

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.

Locations impacted include...
Pampa, Miami, Lefors, New Mobeetie, Lake Mcclellan, Kingsmill,
Codman, Kellerville and Mobeetie.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows. Do not drive into areas where blowing dust restricts
visibility.
&&

LAT...LON 3518 10088 3518 10092 3594 10140 3612 10082
      3541 10034
TIME...MOT...LOC 0411Z 234DEG 25KT 3561 10093 

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

TLH
844 
WWUS54 KAMA 170421
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1121 PM CDT Tue Mar 16 2021

TXC065-170430-
/O.CAN.KAMA.SV.W.0023.000000T0000Z-210317T0500Z/
Carson TX-
1121 PM CDT Tue Mar 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CARSON 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 300 AM CDT for
the Panhandle of Texas.

LAT...LON 3530 10060 3537 10088 3596 10131 3612 10082
      3541 10034
TIME...MOT...LOC 0420Z 234DEG 25KT 3565 10087 

$$

TXC179-211-233-357-393-483-170500-
/O.CON.KAMA.SV.W.0023.000000T0000Z-210317T0500Z/
Wheeler TX-Hutchinson TX-Gray TX-Roberts TX-Hemphill TX-Ochiltree TX-
1121 PM CDT Tue Mar 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR NORTHWESTERN WHEELER...NORTHEASTERN HUTCHINSON...NORTHERN GRAY...
ROBERTS...SOUTHWESTERN HEMPHILL AND SOUTH CENTRAL OCHILTREE
COUNTIES...

At 1120 PM CDT, A severe thunderstorm located 6 miles west of 
Codman, or 8 miles northeast of Pampa, moving northeast at 30 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...
Pampa, Miami, Lefors, New Mobeetie, Codman, Kellerville and Mobeetie.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3530 10060 3537 10088 3596 10131 3612 10082
      3541 10034
TIME...MOT...LOC 0420Z 234DEG 25KT 3565 10087 

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

TLH
517 
WWUS54 KAMA 170436
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1136 PM CDT Tue Mar 16 2021

TXC233-170445-
/O.CAN.KAMA.SV.W.0023.000000T0000Z-210317T0500Z/
Hutchinson TX-
1136 PM CDT Tue Mar 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HUTCHINSON 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 300 AM CDT for
the Panhandle of Texas.

LAT...LON 3535 10064 3596 10109 3604 10108 3612 10082
      3547 10038
TIME...MOT...LOC 0435Z 210DEG 33KT 3573 10060 

$$

TXC179-211-357-393-483-170500-
/O.CON.KAMA.SV.W.0023.000000T0000Z-210317T0500Z/
Wheeler TX-Gray TX-Roberts TX-Hemphill TX-Ochiltree TX-
1136 PM CDT Tue Mar 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR NORTHWESTERN WHEELER...NORTHEASTERN GRAY...ROBERTS...SOUTHWESTERN
HEMPHILL AND SOUTH CENTRAL OCHILTREE COUNTIES...

At 1135 PM CDT, a severe thunderstorm was located over Lora, or near
Miami, moving northeast at 40 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...
Miami, New Mobeetie, Codman 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 this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3535 10064 3596 10109 3604 10108 3612 10082
      3547 10038
TIME...MOT...LOC 0435Z 210DEG 33KT 3573 10060 

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

Ferguson
344 
WWUS54 KAMA 170444
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
1144 PM CDT Tue Mar 16 2021

TXC179-483-170454-
/O.CAN.KAMA.SV.W.0023.000000T0000Z-210317T0500Z/
Wheeler TX-Gray TX-
1144 PM CDT Tue Mar 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WHEELER AND
NORTHEASTERN GRAY 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 10071 3594 10100 3607 10099 3612 10082
      3562 10048
TIME...MOT...LOC 0444Z 234DEG 27KT 3579 10062 

$$

TXC211-357-393-170500-
/O.CON.KAMA.SV.W.0023.000000T0000Z-210317T0500Z/
Roberts TX-Hemphill TX-Ochiltree TX-
1144 PM CDT Tue Mar 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR CENTRAL ROBERTS...SOUTHWESTERN HEMPHILL AND SOUTH CENTRAL
OCHILTREE COUNTIES...

At 1144 PM CDT, a severe thunderstorm was located 4 miles northwest
of Lora, or 6 miles north of Miami, moving northeast at 30 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...
Miami.

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 10071 3594 10100 3607 10099 3612 10082
      3562 10048
TIME...MOT...LOC 0444Z 234DEG 27KT 3579 10062 

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

Ferguson

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 16, 8:01 PM CDTSpecial Weather StatementAMACollingsworth44 min
Mar 16, 8:02 PM CDTSevere Thunderstorm WarningAMACollingsworth33 min
Mar 16, 8:17 PM CDTSpecial Weather StatementAMARoberts43 min
Mar 16, 8:26 PM CDTSpecial Weather StatementAMARoberts34 min
Mar 16, 8:33 PM CDTSpecial Weather StatementAMAWheeler27 min
Mar 16, 8:49 PM CDTSevere Thunderstorm WarningAMAHemphill, Roberts41 min
Mar 16, 9:12 PM CDTSevere Thunderstorm WarningAMAHemphill, Lipscomb48 min
Mar 16, 9:27 PM CDTSevere Thunderstorm WarningAMALipscomb63 min
Mar 16, 9:32 PM CDTSevere Thunderstorm WarningAMALipscomb58 min
Mar 16, 9:35 PM CDTSpecial Weather StatementAMAHutchinson, Roberts40 min
Mar 16, 9:43 PM CDTSevere Thunderstorm WarningAMACarson, Hutchinson, Moore, Ochiltree, Potter, Roberts62 min
Mar 16, 10:43 PM CDTAreal Flood AdvisoryAMAHemphill, Hutchinson, Lipscomb, Ochiltree, Roberts4 hr
Mar 16, 10:47 PM CDTSpecial Weather StatementAMAHutchinson43 min
Mar 16, 10:54 PM CDTSpecial Weather StatementAMAGray, Roberts36 min
Mar 16, 11:03 PM CDTSpecial Weather StatementAMALipscomb27 min
Mar 16, 11:08 PM CDTSevere Thunderstorm WarningAMAHemphill, Lipscomb, Ochiltree, Roberts67 min
Mar 16, 11:20 PM CDTAreal Flood AdvisoryAMAGray, Hemphill, Lipscomb, Roberts, Wheeler5 hr
Mar 16, 11:53 PM CDTSevere Thunderstorm WarningAMAHemphill, Lipscomb, Ochiltree, Roberts52 min
Mar 17, 3:16 AM CDTHigh Wind WarningAMACollingsworth, Donley, Wheeler15 hr

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.