Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Amarillo, TX

June 20, 2021Randall County, Texas

NWS Amarillo, TX issued this special weather statement at Jun 20, 2021, 7:38 PM CDT for Randall County, Texas. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 20, 2021, 7:38 PM CDT (00:38 UTC)
Expired: Jun 20, 2021, 8:30 PM CDT
In force: 52 min
Issued by: NWS Amarillo, TX

County Randall County, TX

The radar

The Amarillo radar (KAMA), 48 km from the middle of the area, began a volume at 00:39 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.6 hours before the alert went out and 48 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: 1335 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 3175 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -26 m²/s²
0-3 km storm-relative helicity: 8 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 20, 7:13 PM CDT, 25 minutes earlier.

Area forecast discussion, Jun 20, 7:13 PM CDT, 25 minutes before

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Hazardous weather outlook, Jun 20, 1:58 PM CDT, 5 hours 40 minutes before

Hazardous Weather Outlook
National Weather Service Amarillo TX
158 PM CDT Sun Jun 20 2021

OKZ001>003-TXZ001>020-317-210700-
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-
158 PM CDT Sun Jun 20 2021

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

.DAY ONE...This Afternoon and Tonight.

A Heat Advisory is in effect for the Palo Duro Canyon and
Hutchinson County until 8 PM CDT this evening.

A few thunderstorms will be possible overnight tonight across the
combined Oklahoma and Texas Panhandles. Widespread severe storms
are not anticipated.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

A Heat Advisory may be needed for Palo Duro Canyon Wednesday and
Thursday afternoon.

Chances for thunderstorms return late Thursday in the northeastern
combined Panhandles, with further chances possible Friday night
and Saturday for the entire combined Panhandles. Widespread
severe storms are not anticipated at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

Bieda

In the hours before

Special weather statement, Jun 20, 6:25 PM CDT, 1 hour 13 minutes before

Special Weather Statement
National Weather Service Amarillo TX
625 PM CDT Sun Jun 20 2021

TXZ016-017-317-210000-
Palo Duro Canyon TX-Randall TX-Deaf Smith TX-
625 PM CDT Sun Jun 20 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN RANDALL AND EAST
CENTRAL DEAF SMITH COUNTIES UNTIL 700 PM CDT...

At 624 PM CDT, Doppler radar was tracking a strong thunderstorm 5
miles west of Mescalero Park, or 8 miles northwest of Canyon, moving
southeast at 15 mph.

Wind gusts of 50 to 55 mph will be possible with this storm.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.

&&

LAT...LON 3506 10235 3518 10205 3518 10201 3512 10171
      3493 10182 3479 10203
TIME...MOT...LOC 2324Z 295DEG 13KT 3509 10201

Ward

Special weather statement, Jun 20, 7:02 PM CDT, 36 minutes before

Special Weather Statement
National Weather Service Amarillo TX
702 PM CDT Sun Jun 20 2021

TXZ016-017-317-210030-
Palo Duro Canyon TX-Randall TX-Deaf Smith TX-
702 PM CDT Sun Jun 20 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN RANDALL AND EAST
CENTRAL DEAF SMITH COUNTIES UNTIL 730 PM CDT...

At 701 PM CDT, Doppler radar was tracking a strong thunderstorm near
Canyon, moving southeast at 10 mph.

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

Locations impacted include...
Canyon, Lake Tanglewood, Mescalero Park, Buffalo Lake, Dawn,
Umbarger and Timbercreek Canyon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.

&&

LAT...LON 3489 10225 3515 10201 3505 10171 3478 10202
TIME...MOT...LOC 0001Z 318DEG 8KT 3501 10196

Ward

Special weather statement, Jun 20, 7:38 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 7:02 PM CDT	Special Weather Statement	AMA	Randall	28 min
Jun 21, 7:08 AM CDT	Special Weather Statement	AMA	Hemphill	52 min
Jun 21, 7:26 AM CDT	Special Weather Statement	AMA	Hemphill, Wheeler	49 min
Jun 21, 3:29 AM CDT	Special Weather Statement	AMA	Beaver	61 min
Jun 21, 3:39 AM CDT	Special Weather Statement	AMA	Texas	51 min
Jun 21, 4:53 AM CDT	Special Weather Statement	AMA	Texas	52 min

Nearby

Special Weather Statements in Texas, 2021 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.