Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Amarillo, TX

June 13, 2021Sherman County, Texas

NWS Amarillo, TX issued this special weather statement at Jun 13, 2021, 2:37 AM CDT for Sherman County, Texas. It was in force for 23 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 13, 2021, 2:37 AM CDT (07:37 UTC)
Expired: Jun 13, 2021, 3:00 AM CDT
In force: 23 min
Issued by: NWS Amarillo, TX

County Sherman County, TX

The radar

The Amarillo radar (KAMA), 124 km from the middle of the area, began a volume at 07:39 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, 7.6 hours before the alert went out and 125 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: 3697 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 1361 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 190 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 18.7

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 13, 12:51 AM CDT, 1 hour 46 minutes earlier.

Area forecast discussion, Jun 13, 12:51 AM CDT, 1 hour 46 minutes before

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Hazardous weather outlook, Jun 12, 9:52 PM CDT, 4 hours 45 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Amarillo TX
952 PM CDT Sat Jun 12 2021

OKZ001>003-TXZ001>020-317-131500-
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-
952 PM CDT Sat Jun 12 2021

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

.DAY ONE...Tonight.

Strong to severe thunderstorms expected through late tonight. The
primary hazards will be damaging winds and large hail. The western
and central Panhandles are favored for severe weather where a
Severe Thunderstorm Watch is in effect until 3 AM Sunday morning.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Thunderstorms will again be possible Friday night. Its too early
to say with much confidence the chances for severe weather at this
time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

In the hours before

Local storm report, Jun 13, 1:24 AM CDT, 1 hour 13 minutes before

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Local storm report, Jun 13, 1:52 AM CDT, 45 minutes before

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Local storm report, Jun 13, 2:21 AM CDT, 16 minutes before

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Local storm report, Jun 13, 2:25 AM CDT, 12 minutes before

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Special weather statement, Jun 13, 2:33 AM CDT, 4 minutes before

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Special weather statement, Jun 13, 2:37 AM 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 12, 10:02 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham	73 min
Jun 12, 10:28 PM CDT	Special Weather Statement	AMA	Dallam	32 min
Jun 12, 10:32 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Sherman	58 min
Jun 12, 11:01 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hansford, Hartley, Moore, Sherman	74 min
Jun 12, 11:07 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Hartley, Oldham	83 min
Jun 12, 11:46 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hansford, Hartley, Hutchinson, Moore, Oldham and 2 more	59 min
Jun 12, 11:51 PM CDT	Special Weather Statement	AMA	Deaf Smith	24 min
Jun 13, 12:15 AM CDT	Areal Flood Warning	AMA	Dallam, Hartley, Moore, Oldham, Potter, Sherman	2 hr
Jun 13, 12:22 AM CDT	Special Weather Statement	AMA	Randall	23 min
Jun 13, 12:28 AM CDT	Special Weather Statement	AMA	Deaf Smith	32 min
Jun 13, 12:42 AM CDT	Severe Thunderstorm Warning	AMA	Carson, Hansford, Hartley, Hutchinson, Moore, Ochiltree and 4 more	63 min
Jun 13, 1:15 AM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Gray, Hutchinson, Potter, Randall and 1 more	45 min
Jun 13, 1:28 AM CDT	Areal Flood Advisory	AMA	Armstrong, Carson, Hutchinson	2 hr
Jun 13, 1:56 AM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Donley, Gray, Hemphill, Hutchinson and 3 more	64 min
Jun 13, 2:56 AM CDT	Special Weather Statement	AMA	Donley	34 min
Jun 12, 9:24 PM CDT	Special Weather Statement	AMA	Cimarron	36 min
Jun 12, 9:36 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	69 min
Jun 12, 10:45 PM CDT	Special Weather Statement	AMA	Cimarron	45 min
Jun 12, 11:53 PM CDT	Special Weather Statement	AMA	Texas	52 min
Jun 13, 2:33 AM CDT	Special Weather Statement	AMA	Beaver	27 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.