Alert archive / Oklahoma / Special Weather Statements in 2021

Special Weather Statement, NWS Amarillo, TX

July 17, 2021Texas County, Oklahoma

NWS Amarillo, TX issued this special weather statement at Jul 17, 2021, 3:29 AM CDT for Texas County, Oklahoma. It was in force for 16 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: Jul 17, 2021, 3:29 AM CDT (08:29 UTC)
Expired: Jul 17, 2021, 3:45 AM CDT
In force: 16 min
Issued by: NWS Amarillo, TX

County Texas County, OK

The radar

The Amarillo radar (KAMA), 166 km from the middle of the area, began a volume at 08:32 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, 8.5 hours before the alert went out and 166 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: 1114 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 1778 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 75 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

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 Jul 17, 1:02 AM CDT, 2 hours 27 minutes earlier.

Area forecast discussion, Jul 17, 1:02 AM CDT, 2 hours 27 minutes before

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Hazardous weather outlook, Jul 16, 2:23 PM CDT, 13 hours 6 minutes before

Hazardous Weather Outlook
National Weather Service Amarillo TX
223 PM CDT Fri Jul 16 2021

OKZ001>003-TXZ001>020-317-171200-
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-
223 PM CDT Fri Jul 16 2021

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

.DAY ONE...This Afternoon and Tonight.

Thunderstorms are possible late this afternoon and evening across
western sections of the Oklahoma and Texas Panhandles. Any storms
that form are expected to remain below severe levels at this time.

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

Thunderstorms will be possible across most of the Oklahoma and
Texas Panhandles Saturday afternoon through Tuesday, and then
across western and southern sections of the area Tuesday night and
Wednesday. Overall, the probability of severe thunderstorms is
low at this time. However, the strongest storms will be capable of
producing heavy rainfall, mainly Saturday night and then again Sunday
afternoon and Sunday night, which may lead to localized flooding
or flash flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

Schneider

In the hours before

Local storm report, Jul 16, 11:00 PM CDT, 4 hours 29 minutes before

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Special weather statement, Jul 17, 3:29 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
Jul 16, 7:47 PM CDT	Special Weather Statement	AMA	Oldham	28 min
Jul 16, 8:02 PM CDT	Severe Thunderstorm Warning	AMA	Hartley	24 min
Jul 16, 8:24 PM CDT	Special Weather Statement	AMA	Oldham	36 min
Jul 16, 8:26 PM CDT	Special Weather Statement	AMA	Hutchinson	34 min
Jul 17, 4:58 AM CDT	Special Weather Statement	AMA	Hansford	32 min
Jul 17, 5:33 AM CDT	Special Weather Statement	AMA	Hansford	27 min
Jul 17, 5:45 AM CDT	Severe Thunderstorm Warning	AMA	Hansford	30 min
Jul 17, 5:57 AM CDT	Areal Flood Advisory	AMA	Hansford	2 hr
Jul 17, 6:14 AM CDT	Special Weather Statement	AMA	Hansford	31 min
Jul 17, 2:30 PM CDT	Special Weather Statement	AMA	Sherman	60 min
Jul 17, 2:40 PM CDT	Areal Flood Advisory	AMA	Dallam	2 hr
Jul 17, 2:50 PM CDT	Special Weather Statement	AMA	Dallam	55 min
Jul 17, 3:00 PM CDT	Severe Thunderstorm Warning	AMA	Dallam	60 min
Jul 17, 3:27 PM CDT	Special Weather Statement	AMA	Moore	63 min
Jul 17, 3:40 PM CDT	Special Weather Statement	AMA	Gray	65 min
Jul 17, 3:48 PM CDT	Severe Thunderstorm Warning	AMA	Gray	57 min
Jul 17, 3:55 PM CDT	Areal Flood Advisory	AMA	Dallam, Hartley	105 min
Jul 17, 3:59 PM CDT	Special Weather Statement	AMA	Sherman	61 min
Jul 17, 4:02 PM CDT	Severe Thunderstorm Warning	AMA	Sherman	34 min
Jul 17, 4:46 PM CDT	Special Weather Statement	AMA	Wheeler	59 min
Jul 17, 4:52 PM CDT	Special Weather Statement	AMA	Armstrong	53 min
Jul 17, 4:56 PM CDT	Flash Flood Warning	AMA	Armstrong	98 min
Jul 17, 5:00 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong	43 min
Jul 17, 5:38 PM CDT	Special Weather Statement	AMA	Donley	37 min
Jul 17, 6:01 PM CDT	Severe Thunderstorm Warning	AMA	Donley	24 min
Jul 17, 6:23 PM CDT	Areal Flood Advisory	AMA	Potter, Randall	3 hr
Jul 17, 6:27 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Randall	63 min
Jul 17, 9:05 AM CDT	Special Weather Statement	AMA	Texas	55 min
Jul 17, 1:41 PM CDT	Special Weather Statement	AMA	Cimarron	64 min
Jul 17, 3:35 PM CDT	Special Weather Statement	AMA	Texas	55 min
Jul 17, 3:45 PM CDT	Severe Thunderstorm Warning	AMA	Texas	60 min

Nearby

Special Weather Statements in Oklahoma, 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.