Alert archive / Texas / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 272, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Sep 14, 2017, 7:46 PM CDT for Hansford County, Ochiltree County, Texas; Beaver County, Texas County, Oklahoma. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 14, 2017, 7:46 PM CDT (00:46 UTC)
- Expired
- Sep 14, 2017, 8:16 PM CDT
- In force
- 30 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Beaver County, OK, Texas County, OK, Hansford County, TX, Ochiltree County, TX
The radar
The Amarillo radar (KAMA), 155 km from the middle of the area, began a volume at 00:50 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, 0.8 hours before the alert went out and 155 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.
- Mixed-layer CAPE
- 900 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 2962 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Sep 14, 6:18 PM CDT, 1 hour 28 minutes earlier.
Area forecast discussion, Sep 14, 6:18 PM CDT, 1 hour 28 minutes before
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</html>Hazardous weather outlook, Sep 14, 3:52 PM CDT, 3 hours 54 minutes before
Hazardous Weather Outlook National Weather Service Amarillo TX 352 PM CDT Thu Sep 14 2017 OKZ001>003-TXZ001>020-151100- Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Lipscomb- Hartley-Moore-Hutchinson-Roberts-Hemphill-Oldham-Potter-Carson- Gray-Wheeler-Deaf Smith-Randall-Armstrong-Donley-Collingsworth- 352 PM CDT Thu Sep 14 2017 This Hazardous Weather Outlook is for the Texas and Oklahoma Panhandles. .DAY ONE...Tonight. Thunderstorms will be possible through tonight across most of the Texas and Oklahoma Panhandles. Some of the stronger storms will be capable of producing gusty winds and brief heavy rain, but no severe weather is expected. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Thunderstorms will be possible Friday through Tuesday across parts of the Panhandles. At this time, the threat for organized severe weather appears to be low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated at this time. Schneider
In the hours before
Special weather statement, Sep 14, 4:49 PM CDT, 2 hours 57 minutes before
Special Weather Statement National Weather Service Amarillo TX 449 PM CDT THU SEP 14 2017 TXZ001-142215- Dallam TX- 449 PM CDT THU SEP 14 2017 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN DALLAM COUNTY UNTIL 515 PM CDT... At 448 PM CDT, Doppler radar was tracking a strong thunderstorm 11 miles west of Ware, or 21 miles southeast of Clayton, moving east at 25 mph. Penny size hail and wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Ware. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take shelter in a sturdy building if threatening weather approaches. && LAT...LON 3615 10300 3633 10298 3632 10254 3606 10258 TIME...MOT...LOC 2148Z 277DEG 22KT 3623 10290 DGW
Special weather statement, Sep 14, 5:11 PM CDT, 2 hours 35 minutes before
Special Weather Statement National Weather Service Amarillo TX 511 PM CDT THU SEP 14 2017 TXZ016-142245- Deaf Smith TX- 511 PM CDT THU SEP 14 2017 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL DEAF SMITH COUNTY UNTIL 545 PM CDT... At 511 PM CDT, Doppler radar was tracking a strong thunderstorm 9 miles north of Bootleg, or 23 miles north of Friona, moving east at 20 mph. Nickel size hail and wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Simms and Bootleg. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take shelter in a sturdy building if threatening weather approaches. && LAT...LON 3482 10288 3505 10291 3516 10254 3482 10247 TIME...MOT...LOC 2211Z 262DEG 19KT 3497 10282 DGW
Special weather statement, Sep 14, 5:15 PM CDT, 2 hours 31 minutes before
Special Weather Statement National Weather Service Amarillo TX 515 PM CDT THU SEP 14 2017 TXZ001-142245- Dallam TX- 515 PM CDT THU SEP 14 2017 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL DALLAM COUNTY UNTIL 545 PM CDT... At 513 PM CDT, Doppler radar was tracking a strong thunderstorm near Ware, or 15 miles northwest of Dalhart, moving east at 20 mph. Penny size hail and wind gusts up to 50 mph will be possible with this storm. Blowing dust has also been reported with this storm. Locations impacted include... Ware. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take shelter in a sturdy building if threatening weather approaches. && LAT...LON 3610 10280 3633 10283 3640 10240 3613 10236 TIME...MOT...LOC 2213Z 262DEG 19KT 3624 10270 DGW
Special weather statement, Sep 14, 6:02 PM CDT, 1 hour 44 minutes before
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</html>Special weather statement, Sep 14, 7:22 PM CDT, 24 minutes before
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</html>The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 14, 7:22 PM CDT | Special Weather Statement | AMA | Hansford | 38 min |
| Sep 15, 2:08 AM CDT | Special Weather Statement | AMA | Moore, Sherman | 37 min |
| Sep 15, 2:35 AM CDT | Special Weather Statement | AMA | Moore | 25 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2017Severe Thunderstorm Warnings in Oklahoma, 2017Every severe thunderstorm warning in 2017
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.