Alert archive / Texas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 398, NWS Amarillo, TX

September 19, 2019Armstrong County, Randall County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Sep 19, 2019, 6:45 PM CDT for Armstrong County, Randall County, Texas. It was in force for 60 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: Sep 19, 2019, 6:45 PM CDT (23:45 UTC)
Expired: Sep 19, 2019, 7:45 PM CDT
In force: 60 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Armstrong County, TX, Randall County, TX

The radar

The Amarillo radar (KAMA), 31 km from the middle of the area, began a volume at 23:46 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

Dodge City, (KDDC), launched 12:00Z, 11.8 hours before the alert went out and 348 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: 1102 J/kg
Mixed-layer CIN: -215 J/kg
Mixed-layer LCL: 1421 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -24 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 Sep 19, 2:24 PM CDT, 4 hours 21 minutes earlier.

Area forecast discussion, Sep 19, 2:24 PM CDT, 4 hours 21 minutes before

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Hazardous weather outlook, Sep 19, 2:32 PM CDT, 4 hours 13 minutes before

Hazardous Weather Outlook
National Weather Service Amarillo TX
232 PM CDT Thu Sep 19 2019

OKZ001>003-TXZ001>020-317-200745-
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-
232 PM CDT Thu Sep 19 2019

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

.DAY ONE...Tonight.

Thunderstorms will be possible across the Panhandles through
tonight. Some of the storms may become severe with large hail and
damaging winds the main threats. In addition, the strongest
storms will be capable of producing heavy rainfall, which may lead
to localized flooding or flash flooding.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Thunderstorms will be possible across much of the Oklahoma and Texas
Panhandles Friday through Wednesday. A few storms may become
severe with large hail and damaging winds the primary hazards. In
addition, the strongest storms will be capable of producing heavy
rainfall, which may lead to localized flooding or flash flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

In the hours before

Special weather statement, Sep 19, 4:25 PM CDT, 2 hours 20 minutes before

Special Weather Statement
National Weather Service Amarillo TX
425 PM CDT Thu Sep 19 2019

TXZ012-017-192200-
Potter TX-Randall TX-
425 PM CDT Thu Sep 19 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN RANDALL AND SOUTHERN
POTTER COUNTIES UNTIL 500 PM CDT...

At 425 PM CDT, Doppler radar was tracking a strong thunderstorm 4
miles northwest of Canyon, moving northeast at 25 mph.

Nickel size hail and wind gusts of 50 to 55 mph will be possible with
this storm.

Locations impacted include...
Amarillo, Canyon, Lake Tanglewood, Mescalero Park, Bushland, Umbarger
and Timbercreek Canyon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3489 10190 3495 10216 3522 10210 3512 10172
TIME...MOT...LOC 2125Z 204DEG 20KT 3501 10199

Guerrero

Special weather statement, Sep 19, 4:29 PM CDT, 2 hours 16 minutes before

Special Weather Statement
National Weather Service Amarillo TX
429 PM CDT Thu Sep 19 2019

TXZ012-013-192215-
Potter TX-Carson TX-
429 PM CDT Thu Sep 19 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CARSON AND
NORTHEASTERN POTTER COUNTIES UNTIL 515 PM CDT...

At 429 PM CDT, Doppler radar was tracking a strong thunderstorm 13
miles north of Amarillo, moving north at 20 mph.

Nickel size hail and wind gusts of 50 to 55 mph will be possible with
this storm.

Locations impacted include...
Amarillo.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3528 10167 3532 10195 3562 10185 3560 10166
      3553 10149
TIME...MOT...LOC 2129Z 201DEG 15KT 3540 10177

Guerrero

Special weather statement, Sep 19, 5:03 PM CDT, 1 hour 42 minutes before

Special Weather Statement
National Weather Service Amarillo TX
503 PM CDT Thu Sep 19 2019

TXZ006-007-011-012-192300-
Hartley TX-Potter TX-Moore TX-Oldham TX-
503 PM CDT Thu Sep 19 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN OLDHAM...
NORTHWESTERN POTTER...MOORE AND SOUTHEASTERN HARTLEY COUNTIES UNTIL
600 PM CDT...

At 502 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 11 miles east of Hartley to 5 miles west of
Four Way to 5 miles northeast of Boys Ranch. Movement was northeast
at 20 mph.

Nickel size hail and wind gusts of 50 to 55 mph will be possible with
these storms.

Locations impacted include...
Dumas, Cactus, Sunray, Channing, Four Way, Boys Ranch, Masterson and
Lake Meredith.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3588 10231 3606 10216 3606 10181 3584 10169
      3563 10164 3549 10193 3548 10229 3568 10234
TIME...MOT...LOC 2202Z 243DEG 17KT 3585 10219 3571 10206 3555 10216

Guerrero

Special weather statement, Sep 19, 5:19 PM CDT, 1 hour 26 minutes before

Special Weather Statement
National Weather Service Amarillo TX
519 PM CDT Thu Sep 19 2019

TXZ013-192245-
Carson TX-
519 PM CDT Thu Sep 19 2019

...SIGNIFICANT WEATHER ADVISORY FOR CARSON COUNTY UNTIL 545 PM CDT...

At 519 PM CDT, Doppler radar was tracking a strong thunderstorm over
Panhandle, moving north at 25 mph.

Nickel size hail and wind gusts of 50 to 55 mph will be possible with
this storm.

Locations impacted include...
Panhandle, Fritch, White Deer and Skellytown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3526 10157 3562 10157 3562 10109 3539 10109
      3524 10132
TIME...MOT...LOC 2219Z 202DEG 24KT 3535 10139

Guerrero

Special weather statement, Sep 19, 6:13 PM CDT, 32 minutes before

Special Weather Statement
National Weather Service Amarillo TX
613 PM CDT Thu Sep 19 2019

TXZ017-317-192345-
Palo Duro Canyon TX-Randall TX-
613 PM CDT Thu Sep 19 2019

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL RANDALL COUNTY UNTIL 645
PM CDT...

At 612 PM CDT, Doppler radar was tracking a strong thunderstorm 8
miles southwest of Palo Duro Canyon, or 10 miles southeast of Canyon,
moving north at 35 mph.

Nickel size hail and wind gusts of 50 to 55 mph will be possible with
this storm.

Locations impacted include...
Canyon, Lake Tanglewood, Mescalero Park, Palo Duro Canyon and
Timbercreek Canyon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3475 10211 3508 10194 3514 10162 3475 10163
TIME...MOT...LOC 2312Z 199DEG 29KT 3487 10179

Guerrero

Local storm report, Sep 19, 6:42 PM CDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
642 PM CDT THU SEP 19 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0631 PM     TSTM WND GST     12 SW CLAUDE            34.98N 101.50W
09/19/2019  M58 MPH          ARMSTRONG          TX   MESONET

&&

EVENT NUMBER AMA1901130

FERGUSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 18, 7:03 PM CDT	Special Weather Statement	AMA	Armstrong	57 min
Sep 19, 10:27 AM CDT	Special Weather Statement	AMA	Carson	63 min
Sep 19, 2:03 PM CDT	Special Weather Statement	AMA	Roberts	42 min
Sep 19, 2:30 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Roberts	60 min
Sep 19, 2:39 PM CDT	Special Weather Statement	AMA	Potter	36 min
Sep 19, 2:42 PM CDT	Special Weather Statement	AMA	Hartley	33 min
Sep 19, 2:53 PM CDT	Special Weather Statement	AMA	Dallam	52 min
Sep 19, 3:01 PM CDT	Severe Thunderstorm Warning	AMA	Hartley, Moore, Oldham, Potter	59 min
Sep 19, 3:33 PM CDT	Special Weather Statement	AMA	Deaf Smith	42 min
Sep 19, 3:36 PM CDT	Special Weather Statement	AMA	Hemphill	39 min
Sep 19, 3:39 PM CDT	Special Weather Statement	AMA	Oldham	51 min
Sep 19, 4:00 PM CDT	Severe Thunderstorm Warning	AMA	Hartley, Moore, Oldham, Potter	60 min
Sep 19, 4:25 PM CDT	Special Weather Statement	AMA	Randall	35 min
Sep 19, 4:29 PM CDT	Special Weather Statement	AMA	Potter	46 min
Sep 19, 5:03 PM CDT	Special Weather Statement	AMA	Moore	57 min
Sep 19, 5:19 PM CDT	Special Weather Statement	AMA	Carson	26 min
Sep 19, 5:45 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong	60 min
Sep 19, 5:50 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Hutchinson, Moore, Potter	55 min
Sep 19, 6:13 PM CDT	Special Weather Statement	AMA	Randall	32 min
Sep 19, 6:47 PM CDT	Areal Flood Advisory	AMA	Armstrong	6 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2019 Every 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.