Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 2, NWS Amarillo, TX

March 12, 20214 counties in Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Mar 12, 2021, 7:39 PM CST for 4 counties in Texas. It was in force for 66 min. 6 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 12, 2021, 7:39 PM CST (01:39 UTC)
Expired
Mar 12, 2021, 8:45 PM CST
In force
66 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

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

The radar

The Amarillo radar (KAMA), 44 km from the middle of the area, began a volume at 01:43 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 12, 8:02 PM CSTHAIL 1.251 Ssw Fritch, TXCORRECTS PREVIOUS HAIL REPORT FROM 1 SSW FRITCH. REPORT FROM MPING: HALF DOLLAR (1.25 IN.).
Mar 12, 8:02 PM CSTHAIL 1.251 Ssw Fritch, TXREPORT FROM MPING: HALF DOLLAR (1.25 IN.).
Mar 12, 8:03 PM CSTHAIL 12 W Fritch, TX
Mar 12, 8:09 PM CSTHAIL 0.88Fritch, TXNICKEL SIZE HAIL THAT IS ACCUMULATING.
Mar 12, 8:12 PM CSTHAIL 1.25Sanford, TXTWITTER REPORT OF DOLLAR SIZE HAIL WITH PHOTO.
Mar 12, 8:25 PM CSTHAIL 1.253 N Borger, TXSOME HAIL WAS ACCUMULATING ON THE GROUND.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 1.7 hours before the alert went out and 44 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 2021-03-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 2021-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 384 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
566 m above ground
0-6 km bulk shear
92 kt
0-1 km storm-relative helicity
384 m²/s²
0-3 km storm-relative helicity
512 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

654 
WUUS54 KAMA 130139
SVRAMA
TXC065-233-341-375-130245-
/O.NEW.KAMA.SV.W.0002.210313T0139Z-210313T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
739 PM CST Fri Mar 12 2021

The National Weather Service in Amarillo has issued a

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

* Until 845 PM CST.

* At 739 PM CST, a severe thunderstorm was located 5 miles east of
  Masterson, or 18 miles south of Dumas, moving northeast at 40 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...
  Borger, Fritch, Stinnett, Skellytown, Sanford, Four Way, Masterson,
  Lake Meredith and Pringle.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3557 10203 3569 10206 3603 10127 3549 10111
      3541 10192
TIME...MOT...LOC 0139Z 241DEG 36KT 3562 10186 

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

Schneider
2 follow-up statements
515 
WWUS54 KAMA 130204
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
804 PM CST Fri Mar 12 2021

TXC065-233-341-375-130245-
/O.CON.KAMA.SV.W.0002.000000T0000Z-210313T0245Z/
Carson TX-Hutchinson TX-Potter TX-Moore TX-
804 PM CST Fri Mar 12 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CST
FOR NORTHERN CARSON...HUTCHINSON...NORTHEASTERN POTTER AND
SOUTHEASTERN MOORE COUNTIES...

At 804 PM CST, a severe thunderstorm was located 4 miles northwest of
Sanford, or 11 miles northwest of Borger, moving northeast at 40 mph.

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

SOURCE...Trained weather spotters reports quarter size hail 2 miles 
         west of Fritch.

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

Locations impacted include...
Borger, Fritch, Stinnett, Skellytown, Sanford, Four Way, Masterson,
Lake Meredith and Pringle.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3557 10203 3569 10206 3603 10127 3549 10111
      3541 10192
TIME...MOT...LOC 0204Z 241DEG 36KT 3574 10158 

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

Bieda
257 
WWUS54 KAMA 130211
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
811 PM CST Fri Mar 12 2021

TXC065-233-341-375-130245-
/O.CON.KAMA.SV.W.0002.000000T0000Z-210313T0245Z/
Carson TX-Hutchinson TX-Potter TX-Moore TX-
811 PM CST Fri Mar 12 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CST
FOR NORTHERN CARSON...HUTCHINSON...NORTHEASTERN POTTER AND
SOUTHEASTERN MOORE COUNTIES...

At 810 PM CST, a severe thunderstorm was located near Borger, moving
east at 40 mph.

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

SOURCE...Trained weather spotters. At 8:03 PM CST, trained spotters 
         reported nickel to quarter size hail with accumulation on 
         the ground.

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

Locations impacted include...
Borger, Fritch, Stinnett, Skellytown, Sanford and Lake Meredith. 

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 3553 10171 3573 10176 3599 10126 3549 10111
      3548 10116
TIME...MOT...LOC 0210Z 256DEG 35KT 3566 10147 

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

Bieda

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 6:11 PM CSTSevere Thunderstorm WarningAMADeaf Smith, Oldham36 min
Mar 12, 6:24 PM CSTSpecial Weather StatementAMADeaf Smith51 min
Mar 12, 7:02 PM CSTDense Fog AdvisoryAMACarson, Dallam, Gray, Hansford, Hartley, Hemphill and 9 more16 hr
Mar 12, 7:11 PM CSTSpecial Weather StatementAMAMoore34 min
Mar 12, 7:12 PM CSTSpecial Weather StatementAMAOldham48 min
Mar 12, 7:57 PM CSTSpecial Weather StatementAMAOldham48 min
Mar 12, 7:58 PM CSTSpecial Weather StatementAMAPotter47 min
Mar 12, 8:20 PM CSTSevere Thunderstorm WarningAMACarson, Gray, Hutchinson, Roberts55 min
Mar 12, 8:39 PM CSTSpecial Weather StatementAMAPotter36 min
Mar 12, 9:11 PM CSTSevere Thunderstorm WarningAMACarson, Gray, Hutchinson, Potter, Roberts79 min
Mar 12, 9:14 PM CSTSevere Thunderstorm WarningAMAHemphill, Lipscomb, Roberts19 min
Mar 12, 10:09 PM CSTSevere Thunderstorm WarningAMAGray, Hemphill, Roberts, Wheeler29 min
Mar 13, 7:41 AM CSTSpecial Weather StatementAMAOldham34 min
Mar 13, 7:50 AM CSTSpecial Weather StatementAMAMoore25 min
Mar 13, 7:54 AM CSTSevere Thunderstorm WarningAMAHartley, Moore, Sherman31 min
Mar 13, 8:26 AM CSTSpecial Weather StatementAMASherman34 min
Mar 13, 8:31 AM CSTSevere Thunderstorm WarningAMAMoore33 min
Mar 13, 1:18 PM CSTSpecial Weather StatementAMAOldham27 min
Mar 13, 1:45 PM CSTSpecial Weather StatementAMAHartley30 min
Mar 13, 1:54 PM CSTSevere Thunderstorm WarningAMADeaf Smith, Hartley, Oldham51 min
Mar 13, 2:24 PM CSTSevere Thunderstorm WarningAMADeaf Smith, Oldham66 min
Mar 13, 2:42 PM CSTTornado WarningAMADallam, Hartley, Moore33 min
Mar 13, 3:12 PM CSTSevere Thunderstorm WarningAMAArmstrong, Randall63 min
Mar 13, 3:14 PM CSTSpecial Weather StatementAMASherman31 min
Mar 13, 3:21 PM CSTTornado WarningAMARandall39 min
Mar 13, 3:30 PM CSTSevere Thunderstorm WarningAMAHartley, Moore, Oldham, Potter60 min
Mar 13, 3:34 PM CSTTornado WarningAMASherman26 min
Mar 13, 3:34 PM CSTTornado WarningAMAMoore26 min
Mar 13, 3:50 PM CSTTornado Warning Tornado observedConsiderable damage threatAMAArmstrong, Randall40 min
Mar 13, 4:00 PM CSTTornado WarningAMAArmstrong, Randall45 min
Mar 13, 4:21 PM CSTTornado Warning Tornado observedConsiderable damage threatAMAArmstrong, Carson39 min
Mar 13, 4:30 PM CSTSevere Thunderstorm WarningAMAHansford, Hutchinson, Moore, Sherman60 min
Mar 13, 4:42 PM CSTTornado Warning Tornado observedAMAArmstrong, Carson, Donley, Gray48 min
Mar 13, 4:52 PM CSTTornado WarningAMACarson, Gray38 min
Mar 13, 5:14 PM CSTTornado WarningAMAArmstrong, Donley46 min
Mar 13, 5:29 PM CSTSpecial Weather StatementAMAGray31 min
Mar 13, 5:30 PM CSTSpecial Weather StatementAMACarson30 min
Mar 13, 5:43 PM CSTTornado Warning Tornado observedAMADonley47 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.