Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Amarillo, TX

March 12, 2021Potter County, Texas

NWS Amarillo, TX issued this special weather statement at Mar 12, 2021, 8:39 PM CST for Potter 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: Mar 12, 2021, 8:39 PM CST (02:39 UTC)
Expired: Mar 12, 2021, 9:15 PM CST
In force: 36 min
Issued by: NWS Amarillo, TX

County Potter County, TX

The radar

The Amarillo radar (KAMA), 24 km from the middle of the area, began a volume at 02:39 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, 2.7 hours before the alert went out and 25 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 566 m above ground
0-6 km bulk shear: 92 kt
0-1 km storm-relative helicity: 384 m²/s²
0-3 km storm-relative helicity: 512 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

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 Mar 12, 5:44 PM CST, 2 hours 55 minutes earlier.

Area forecast discussion, Mar 12, 5:44 PM CST, 2 hours 55 minutes before

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Hazardous weather outlook, Mar 12, 7:34 PM CST, 1 hour 5 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Amarillo TX
734 PM CST Fri Mar 12 2021

OKZ001>003-TXZ001>020-317-131200-
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-
734 PM CST Fri Mar 12 2021

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

.DAY ONE...Tonight.

Strong thunderstorms are possible tonight with small hail and
gusty thunderstorm winds being the main hazards.

Areas of fog will reduce visibilities tonight to below a half to
one mile at times. A Dense Fog Advisory is in effect tonight for
all of the Texas and Oklahoma Panhandles except for the far
southern Texas Panhandle.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Strong to severe thunderstorms are possible Saturday. Large hail,
damaging wind gusts, and even a tornado cannot be ruled out.

Areas of fog will reduce visibilities Saturday morning to below a
half to one mile at times. A Dense Fog Advisory is in effect until
11 AM Saturday for all of the Texas and Oklahoma Panhandles
except for the far southern Texas Panhandle.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed tomorrow.

In the hours before

Local storm report, Mar 12, 8:04 PM CST, 35 minutes before

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Local storm report, Mar 12, 8:09 PM CST, 30 minutes before

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Local storm report, Mar 12, 8:15 PM CST, 24 minutes before

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Local storm report, Mar 12, 8:17 PM CST, 22 minutes before

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Local storm report, Mar 12, 8:26 PM CST, 13 minutes before

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Special weather statement, Mar 12, 8:39 PM CST, 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
Mar 12, 6:11 PM CST	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham	36 min
Mar 12, 6:24 PM CST	Special Weather Statement	AMA	Deaf Smith	51 min
Mar 12, 7:02 PM CST	Dense Fog Advisory	AMA	Carson, Dallam, Gray, Hansford, Hartley, Hemphill and 9 more	16 hr
Mar 12, 7:11 PM CST	Special Weather Statement	AMA	Moore	34 min
Mar 12, 7:12 PM CST	Special Weather Statement	AMA	Oldham	48 min
Mar 12, 7:39 PM CST	Severe Thunderstorm Warning	AMA	Carson, Hutchinson, Moore, Potter	66 min
Mar 12, 7:57 PM CST	Special Weather Statement	AMA	Oldham	48 min
Mar 12, 7:58 PM CST	Special Weather Statement	AMA	Potter	47 min
Mar 12, 8:20 PM CST	Severe Thunderstorm Warning	AMA	Carson, Gray, Hutchinson, Roberts	55 min
Mar 12, 9:11 PM CST	Severe Thunderstorm Warning	AMA	Carson, Gray, Hutchinson, Potter, Roberts	79 min
Mar 12, 9:14 PM CST	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb, Roberts	19 min
Mar 12, 10:09 PM CST	Severe Thunderstorm Warning	AMA	Gray, Hemphill, Roberts, Wheeler	29 min
Mar 13, 7:41 AM CST	Special Weather Statement	AMA	Oldham	34 min
Mar 13, 7:50 AM CST	Special Weather Statement	AMA	Moore	25 min
Mar 13, 7:54 AM CST	Severe Thunderstorm Warning	AMA	Hartley, Moore, Sherman	31 min
Mar 13, 8:26 AM CST	Special Weather Statement	AMA	Sherman	34 min
Mar 13, 8:31 AM CST	Severe Thunderstorm Warning	AMA	Moore	33 min
Mar 13, 1:18 PM CST	Special Weather Statement	AMA	Oldham	27 min
Mar 13, 1:45 PM CST	Special Weather Statement	AMA	Hartley	30 min
Mar 13, 1:54 PM CST	Severe Thunderstorm Warning	AMA	Deaf Smith, Hartley, Oldham	51 min
Mar 13, 2:24 PM CST	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham	66 min
Mar 13, 2:42 PM CST	Tornado Warning	AMA	Dallam, Hartley, Moore	33 min
Mar 13, 3:12 PM CST	Severe Thunderstorm Warning	AMA	Armstrong, Randall	63 min
Mar 13, 3:14 PM CST	Special Weather Statement	AMA	Sherman	31 min
Mar 13, 3:21 PM CST	Tornado Warning	AMA	Randall	39 min
Mar 13, 3:30 PM CST	Severe Thunderstorm Warning	AMA	Hartley, Moore, Oldham, Potter	60 min
Mar 13, 3:34 PM CST	Tornado Warning	AMA	Sherman	26 min
Mar 13, 3:34 PM CST	Tornado Warning	AMA	Moore	26 min
Mar 13, 3:50 PM CST	Tornado Warning Tornado observedConsiderable damage threat	AMA	Armstrong, Randall	40 min
Mar 13, 4:00 PM CST	Tornado Warning	AMA	Armstrong, Randall	45 min
Mar 13, 4:21 PM CST	Tornado Warning Tornado observedConsiderable damage threat	AMA	Armstrong, Carson	39 min
Mar 13, 4:30 PM CST	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson, Moore, Sherman	60 min
Mar 13, 4:42 PM CST	Tornado Warning Tornado observed	AMA	Armstrong, Carson, Donley, Gray	48 min
Mar 13, 4:52 PM CST	Tornado Warning	AMA	Carson, Gray	38 min
Mar 13, 5:14 PM CST	Tornado Warning	AMA	Armstrong, Donley	46 min
Mar 13, 5:29 PM CST	Special Weather Statement	AMA	Gray	31 min
Mar 13, 5:30 PM CST	Special Weather Statement	AMA	Carson	30 min
Mar 13, 5:43 PM CST	Tornado Warning Tornado observed	AMA	Donley	47 min
Mar 13, 5:01 PM CST	Special Weather Statement	AMA	Texas	29 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.