Alert archive / Texas / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 31, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at May 14, 2018, 3:49 PM CDT for 5 counties in Texas. It was in force for 86 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
- May 14, 2018, 3:49 PM CDT (20:49 UTC)
- Expired
- May 14, 2018, 5:15 PM CDT
- In force
- 86 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Collingsworth County, TX, Donley County, TX, Gray County, TX, Hemphill County, TX, Wheeler County, TX
The radar
The Amarillo radar (KAMA), 111 km from the middle of the area, began a volume at 20:51 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 12:00Z, 8.8 hours before the alert went out and 110 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3144 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 May 14, 12:44 PM CDT, 3 hours 5 minutes earlier.
Area forecast discussion, May 14, 12:44 PM CDT, 3 hours 5 minutes before
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</html>Hazardous weather outlook, May 14, 3:47 PM CDT, 2 minutes before
Hazardous Weather Outlook National Weather Service Amarillo TX 347 PM CDT Mon May 14 2018 OKZ001>003-TXZ001>020-317-151100- Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Lipscomb- Hartley-Moore-Hutchinson-Roberts-Hemphill-Oldham-Potter-Carson- Gray-Wheeler-Deaf Smith-Randall-Armstrong-Donley-Collingsworth- Palo Duro Canyon- 347 PM CDT Mon May 14 2018 This Hazardous Weather Outlook is for the Texas and Oklahoma Panhandles. .DAY ONE...Through Tonight. Isolated to scattered thunderstorms are expected. Some thunderstorms over the southeastern Texas Panhandle may become strong to severe through this evening with damaging thunderstorm winds and large hail. Elevated fire weather conditions will continue across the far western Texas Panhandle this afternoon through this evening. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Thunderstorms will be possible Tuesday through Sunday across most of the Texas and Oklahoma Panhandles. If storms develop, they will have the potential to become strong to marginally severe, with damaging winds and hail the primary hazards. Some thunderstorms Tuesday evening may produce heavy rains, leading to localized flooding or flash flooding. Elevated fire weather conditions may develop across portions of the Panhandles Friday. .SPOTTER INFORMATION STATEMENT... Emergency managers and spotter groups should be ready for possible activation through this evening. Area fire managers and emergency officials should be alert for elevated fire weather conditions through this evening, and again Friday. Cockrell
In the hours before
Special weather statement, May 14, 3:26 PM CDT, 23 minutes before
Special Weather Statement National Weather Service Amarillo TX 326 PM CDT MON MAY 14 2018 TXZ019-142130- Donley TX- 326 PM CDT MON MAY 14 2018 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN DONLEY COUNTY UNTIL 430 PM CDT... At 326 PM CDT, Doppler radar was tracking a strong thunderstorm 4 miles northeast of Brice, or 12 miles south of Clarendon, moving northeast at 40 mph. Nickel size hail and wind gusts of 50 to 55 mph will be possible with this storm. Locations impacted include... Clarendon, Hedley and Lelia Lake. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take shelter in a sturdy building if threatening weather approaches. && LAT...LON 3502 10082 3507 10054 3475 10054 3475 10105 TIME...MOT...LOC 2026Z 227DEG 37KT 3477 10084 LG
Special weather statement, May 14, 3:40 PM CDT, 9 minutes before
Special Weather Statement
National Weather Service Amarillo TX
340 PM CDT MON MAY 14 2018
TXZ010-014-015-019-020-142145-
Hemphill TX-Gray TX-Wheeler TX-Donley TX-Collingsworth TX-
340 PM CDT MON MAY 14 2018
...SIGNIFICANT WEATHER ADVISORY FOR WHEELER...EASTERN GRAY...WESTERN
COLLINGSWORTH...SOUTHERN HEMPHILL AND DONLEY COUNTIES UNTIL 445 PM
CDT...
At 339 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 4 miles north of Mclean to 8 miles southeast of
Alanreed to 5 miles south of Lelia Lake. Movement was northeast at 40
mph.
Nickel size hail and wind gusts of 50 to 55 mph will be possible with
these storms.
Locations impacted include...
Clarendon, Shamrock, Briscoe, Wheeler, Mclean, Hedley, Lutie, Lelia
Lake, New Mobeetie, Twitty, Allison, Lela, Quail, Samnorwood,
Kellerville, Dozier, Alanreed, Greenbelt Lake and Mobeetie.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take shelter in a sturdy building if threatening weather approaches.
&&
LAT...LON 3534 10069 3562 10058 3562 10054 3572 10054
3586 10049 3590 10000 3540 10000 3475 10033
3475 10109
TIME...MOT...LOC 2039Z 204DEG 37KT 3530 10062 3511 10066 3482 10080
LGThe office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 7:08 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb | 97 min |
| May 13, 7:14 PM CDT | Special Weather Statement | AMA | Hemphill | 31 min |
| May 13, 7:30 PM CDT | Special Weather Statement | AMA | Wheeler | 60 min |
| May 13, 7:50 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Wheeler | 55 min |
| May 13, 7:58 PM CDT | Special Weather Statement | AMA | Collingsworth | 32 min |
| May 13, 8:28 PM CDT | Special Weather Statement | AMA | Wheeler | 32 min |
| May 13, 8:32 PM CDT | Special Weather Statement | AMA | Collingsworth | 43 min |
| May 13, 8:42 PM CDT | Special Weather Statement | AMA | Lipscomb | 63 min |
| May 14, 3:26 PM CDT | Special Weather Statement | AMA | Donley | 64 min |
| May 14, 3:40 PM CDT | Special Weather Statement | AMA | Collingsworth, Donley, Hemphill, Wheeler | 65 min |
| May 14, 4:16 PM CDT | Special Weather Statement | AMA | Donley | 29 min |
| May 14, 4:29 PM CDT | Severe Thunderstorm Warning | AMA | Collingsworth, Donley, Wheeler | 91 min |
| May 14, 5:59 PM CDT | Areal Flood Advisory | AMA | Donley | 66 min |
| May 14, 6:16 PM CDT | Areal Flood Advisory | AMA | Collingsworth | 3 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 2018Every severe thunderstorm warning in 2018
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.