Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Amarillo, TX

July 17, 2021Hansford County, Texas

NWS Amarillo, TX issued this special weather statement at Jul 17, 2021, 6:14 AM CDT for Hansford County, Texas. It was in force for 31 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, 6:14 AM CDT (11:14 UTC)
Expired: Jul 17, 2021, 6:45 AM CDT
In force: 31 min
Issued by: NWS Amarillo, TX

County Hansford County, TX

The radar

The Amarillo radar (KAMA), 130 km from the middle of the area, began a volume at 11:15 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, 11.2 hours before the alert went out and 130 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, 4:04 AM CDT, 2 hours 10 minutes earlier.

Area forecast discussion, Jul 17, 4:04 AM CDT, 2 hours 10 minutes before

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Hazardous weather outlook, Jul 17, 3:45 AM CDT, 2 hours 29 minutes before

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In the hours before

Special weather statement, Jul 17, 3:29 AM CDT, 2 hours 45 minutes before

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Special weather statement, Jul 17, 4:58 AM CDT, 1 hour 16 minutes before

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Special weather statement, Jul 17, 5:33 AM CDT, 41 minutes before

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Special weather statement, Jul 17, 6:14 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, 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, 3:29 AM CDT	Special Weather Statement	AMA	Texas	16 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 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.