Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Amarillo, TX

June 24, 2021Roberts County, Texas

NWS Amarillo, TX issued this special weather statement at Jun 24, 2021, 4:54 PM CDT for Roberts 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 outline as issued.

The facts

Issued: Jun 24, 2021, 4:54 PM CDT (21:54 UTC)
Expired: Jun 24, 2021, 5:30 PM CDT
In force: 36 min
Issued by: NWS Amarillo, TX

County Roberts County, TX

The radar

The Amarillo radar (KAMA), 87 km from the middle of the area, began a volume at 21:56 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 12:00Z, 9.9 hours before the alert went out and 86 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: 662 J/kg
Mixed-layer CIN: -380 J/kg
Mixed-layer LCL: 2406 m above ground
0-6 km bulk shear: 1 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 24, 2:50 PM CDT, 2 hours 4 minutes earlier.

Area forecast discussion, Jun 24, 2:50 PM CDT, 2 hours 4 minutes before

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Hazardous weather outlook, Jun 24, 2:33 PM CDT, 2 hours 21 minutes before

Hazardous Weather Outlook
National Weather Service Amarillo TX
233 PM CDT Thu Jun 24 2021

OKZ001>003-TXZ001>020-317-250745-
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-
233 PM CDT Thu Jun 24 2021

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

.DAY ONE...This Afternoon and Tonight.

Thunderstorms are possible this afternoon and evening across the
Oklahoma and Texas Panhandles. Some storms will have the potential
to become severe, with damaging winds the primary hazard.

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

Thunderstorms will be possible across most of the Oklahoma and
Texas Panhandles Friday afternoon through Wednesday. The greatest
potential for strong to severe thunderstorms appears to be Friday
and Saturday, with large hail and damaging winds the primary
hazards in addition to locally heavy rainfall.

.SPOTTER INFORMATION STATEMENT...

Limited spotter activation may become necessary late this
afternoon and evening.

In the hours before

Special weather statement, Jun 24, 4:39 PM CDT, 15 minutes before

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Special weather statement, Jun 24, 4:50 PM CDT, 4 minutes before

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Special weather statement, Jun 24, 4:54 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Amarillo TX
454 PM CDT Thu Jun 24 2021

TXZ009-014-242230-
Gray TX-Roberts TX-
454 PM CDT Thu Jun 24 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL GRAY AND SOUTHERN
ROBERTS COUNTIES UNTIL 530 PM CDT...

At 454 PM CDT, Doppler radar was tracking a strong thunderstorm 8
miles north of Pampa, moving northeast at 15 mph.

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

Locations impacted include...
Pampa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.

&&

LAT...LON 3557 10097 3566 10109 3570 10109 3588 10085
      3574 10062
TIME...MOT...LOC 2154Z 207DEG 15KT 3566 10095

TLH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 8:21 PM CDT	Special Weather Statement	AMA	Oldham	24 min
Jun 24, 4:39 PM CDT	Special Weather Statement	AMA	Carson	36 min
Jun 24, 4:47 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Gray, Hutchinson	28 min
Jun 24, 4:50 PM CDT	Special Weather Statement	AMA	Lipscomb	55 min
Jun 24, 5:09 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb	24 min
Jun 24, 5:20 PM CDT	Special Weather Statement	AMA	Dallam, Hartley	40 min
Jun 24, 6:20 PM CDT	Special Weather Statement	AMA	Hartley, Oldham	25 min
Jun 24, 6:25 PM CDT	Special Weather Statement	AMA	Dallam	35 min
Jun 24, 6:53 PM CDT	Special Weather Statement	AMA	Hartley, Moore, Oldham, Sherman	37 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.