Alert archive / Texas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 46, NWS Amarillo, TX

May 2, 2019Wheeler County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at May 2, 2019, 1:26 AM CDT for Wheeler County, Texas. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 2, 2019, 1:26 AM CDT (06:26 UTC)
Expired
May 2, 2019, 2:02 AM CDT
In force
36 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon
Hail
2.5 in
Wind
60.0 mph

County Wheeler County, TX

The radar

The Amarillo radar (KAMA), 132 km from the middle of the area, began a volume at 06:26 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 nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 6.4 hours before the alert went out and 261 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, Norman, OK at 00:00Z on 2019-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 36 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, Norman, OK at 00:00Z on 2019-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 274 square meters per square second.19395878Sfc1 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
36 J/kg
Mixed-layer CIN
-499 J/kg
Mixed-layer LCL
1800 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
274 m²/s²
0-3 km storm-relative helicity
298 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 2, 12:45 AM CDT, 41 minutes earlier.

Area forecast discussion, May 2, 12:45 AM CDT, 41 minutes before
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Hazardous weather outlook, May 1, 4:15 PM CDT, 9 hours 11 minutes before
Hazardous Weather Outlook
National Weather Service Amarillo TX
415 PM CDT Wed May 1 2019

OKZ001>003-TXZ001>020-317-020915-
Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Lipscomb-
Hartley-Moore-Hutchinson-Roberts-Hemphill-Oldham-Potter-Carson-
Gray-Wheeler-Deaf Smith-Randall-Armstrong-Donley-Collingsworth-
Palo Duro Canyon-
415 PM CDT Wed May 1 2019

This Hazardous Weather Outlook is for the Texas and Oklahoma
Panhandles.

.DAY ONE...Tonight.

Thunderstorms are possible tonight across central and eastern
sections of the Oklahoma and Texas Panhandles. A few storms may
become strong to severe, with large hail the primary threats.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Strong to severe storms possible late Thursday night to early
Friday morning, mainly for the southern Panhandles.

Storms will continue to be possible each day for the rest of the
forecast period. Strong to severe potential will be there each
day, but storms will be conditional on the proper environment.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed in the coming week, as showers
and storms are possible just about every day.

In the hours before

Special weather statement, May 1, 9:46 PM CDT, 3 hours 40 minutes before
Special Weather Statement
National Weather Service Amarillo TX
946 PM CDT Wed May 1 2019

OKZ003-TXZ004-005-020315-
Beaver OK-Ochiltree TX-Lipscomb TX-
946 PM CDT Wed May 1 2019

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN BEAVER...NORTHWESTERN
LIPSCOMB AND NORTHEASTERN OCHILTREE COUNTIES UNTIL 1015 PM CDT...

At 946 PM CDT, Doppler radar was tracking a strong thunderstorm over
Boyd, or 16 miles southwest of Beaver, moving east at 50 mph.

Penny size hail and wind gusts up to 50 mph will be possible with
this storm.

Locations impacted include...
Beaver, Elmwood, Bryans Corner, Boyd, Mocane, Turpin, Floris and
Balko.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.

&&

LAT...LON 3691 10033 3648 10026 3648 10095 3689 10093
      3689 10070
TIME...MOT...LOC 0246Z 276DEG 42KT 3670 10078

LFM
Special weather statement, May 1, 11:41 PM CDT, 1 hour 45 minutes before
Special Weather Statement
National Weather Service Amarillo TX
1141 PM CDT Wed May 1 2019

TXZ009-020515-
Roberts TX-
1141 PM CDT Wed May 1 2019

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN ROBERTS COUNTY UNTIL
1215 AM CDT...

At 1141 PM CDT, Doppler radar was tracking a strong thunderstorm 9
miles northwest of Codman, or 12 miles north of Pampa, moving east at
30 mph.

Penny size hail and wind gusts up to 50 mph will be possible with
this storm.

Locations impacted include...
Miami, Codman and Lora.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.

&&

LAT...LON 3562 10054 3562 10103 3583 10091 3584 10054
TIME...MOT...LOC 0441Z 268DEG 26KT 3571 10089

LFM
Special weather statement, May 2, 12:11 AM CDT, 1 hour 15 minutes before
Special Weather Statement
National Weather Service Amarillo TX
1211 AM CDT Thu May 2 2019

TXZ013-020545-
Carson TX-
1211 AM CDT Thu May 2 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN CARSON COUNTY UNTIL
1245 AM CDT...

At 1210 AM CDT, Doppler radar was tracking a strong thunderstorm 8
miles southeast of Borger, moving east at 20 mph.

Penny size hail and wind gusts up to 50 mph will be possible with
this storm.

Locations impacted include...
White Deer and Skellytown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.

&&

LAT...LON 3545 10146 3562 10140 3563 10112 3562 10109
      3537 10109
TIME...MOT...LOC 0510Z 281DEG 18KT 3554 10134

LFM

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 11:41 PM CDTSpecial Weather StatementAMARoberts34 min
May 2, 12:05 AM CDTSevere Thunderstorm WarningAMAGray, Roberts40 min
May 2, 12:11 AM CDTSpecial Weather StatementAMACarson34 min
May 2, 12:27 AM CDTSevere Thunderstorm WarningAMACarson, Gray33 min
May 2, 12:44 AM CDTSevere Thunderstorm WarningAMAGray, Wheeler46 min
May 2, 12:58 AM CDTSevere Thunderstorm WarningAMAGray32 min
May 2, 1:30 AM CDTSpecial Weather StatementAMAGray30 min
May 2, 1:52 AM CDTSevere Thunderstorm WarningAMAGray, Wheeler38 min
May 2, 2:30 AM CDTSpecial Weather StatementAMAWheeler45 min
May 1, 9:46 PM CDTSpecial Weather StatementAMABeaver29 min

Nearby

Severe Thunderstorm Warnings in Texas, 2019Every severe thunderstorm warning in 2019

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.