Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 39, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at May 7, 2021, 5:38 PM CDT for 8 counties in Texas. It was in force for 82 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 7, 2021, 5:38 PM CDT (22:38 UTC)
- Expired
- May 7, 2021, 7:00 PM CDT
- In force
- 82 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Armstrong County, TX, Carson County, TX, Deaf Smith County, TX, Hutchinson County, TX, Moore County, TX, Oldham County, TX, Potter County, TX, Randall County, TX
The radar
The Amarillo radar (KAMA), 19 km from the middle of the area, began a volume at 22:38 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 7, 5:56 PM CDT | TSTM WND DMG | Lake Tanglewood, TX | TREE DOWN ON THE NORTH SHORE DRIVE OF LAKE TANGLEWOOD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 10.6 hours before the alert went out and 20 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
- 1870 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 341 m²/s²
- 0-3 km storm-relative helicity
- 598 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
557
WUUS54 KAMA 072238
SVRAMA
TXC011-065-117-233-341-359-375-381-080000-
/O.NEW.KAMA.SV.W.0039.210507T2238Z-210508T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
538 PM CDT Fri May 7 2021
The National Weather Service in Amarillo has issued a
* Severe Thunderstorm Warning for...
Northwestern Armstrong County in the Panhandle of Texas...
Randall County in the Panhandle of Texas...
Western Carson County in the Panhandle of Texas...
Eastern Oldham County in the Panhandle of Texas...
Southwestern Hutchinson County in the Panhandle of Texas...
Eastern Deaf Smith County in the Panhandle of Texas...
Potter County in the Panhandle of Texas...
Southern Moore County in the Panhandle of Texas...
* Until 700 PM CDT.
* At 538 PM CDT, severe thunderstorms were located along a line
extending from 5 miles southwest of Valley De Oro to 5 miles
southeast of Wildorado to 6 miles north of Hereford, moving east at
45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to roofs, siding, and trees is possible.
Hail damage to vehicles is expected.
* Locations impacted include...
Amarillo, Hereford, Canyon, Panhandle, Claude, Vega, Fritch, Lake
Tanglewood, Bushland, Buffalo Lake, Valley De Oro, Washburn, Boys
Ranch, Umbarger, Wildorado, Palo Duro Canyon, Mescalero Park, Dawn,
Masterson and Lake Meredith.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3569 10153 3535 10137 3512 10128 3475 10181
3475 10244 3484 10257 3526 10248 3562 10223
TIME...MOT...LOC 2238Z 270DEG 39KT 3540 10219 3516 10218 3492 10243
HAIL...1.00IN
WIND...60MPH
$$
Guerrero2 follow-up statements
558
WWUS54 KAMA 072340
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
640 PM CDT Fri May 7 2021
TXC341-072350-
/O.CAN.KAMA.SV.W.0039.000000T0000Z-210508T0000Z/
Moore TX-
640 PM CDT Fri May 7 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MOORE COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3475 10244 3484 10257 3526 10248 3539 10204
3562 10165 3562 10162 3564 10162 3569 10153
3535 10137 3512 10128 3475 10181
TIME...MOT...LOC 2340Z 270DEG 39KT 3540 10138 3516 10138 3492 10163
$$
TXC011-065-117-233-359-375-381-080000-
/O.CON.KAMA.SV.W.0039.000000T0000Z-210508T0000Z/
Armstrong TX-Randall TX-Carson TX-Oldham TX-Hutchinson TX-
Deaf Smith TX-Potter TX-
640 PM CDT Fri May 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR NORTHWESTERN ARMSTRONG...RANDALL...WESTERN CARSON...SOUTHEASTERN
OLDHAM...SOUTHWESTERN HUTCHINSON...EASTERN DEAF SMITH AND POTTER
COUNTIES...
At 640 PM CDT, severe thunderstorms were located along a line
extending from 3 miles north of Panhandle to 3 miles north of Claude
to 3 miles southeast of Palo Duro Canyon, moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to roofs, siding, and trees is possible. Hail
damage to vehicles is expected.
Locations impacted include...
Amarillo, Hereford, Canyon, Panhandle, Claude, Vega, Fritch, Lake
Tanglewood, Bushland, Buffalo Lake, Washburn, Umbarger, Wildorado,
Palo Duro Canyon, Mescalero Park, Dawn, Timbercreek Canyon and
Pantex.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3475 10244 3484 10257 3526 10248 3539 10204
3562 10165 3562 10162 3564 10162 3569 10153
3535 10137 3512 10128 3475 10181
TIME...MOT...LOC 2340Z 270DEG 39KT 3540 10138 3516 10138 3492 10163
HAIL...1.00IN
WIND...60MPH
$$
Guerrero452
WWUS54 KAMA 072354
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
654 PM CDT Fri May 7 2021
TXC233-359-080003-
/O.CAN.KAMA.SV.W.0039.000000T0000Z-210508T0000Z/
Oldham TX-Hutchinson TX-
654 PM CDT Fri May 7 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OLDHAM AND
SOUTHWESTERN HUTCHINSON COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3475 10244 3486 10244 3512 10217 3531 10187
3557 10149 3535 10137 3512 10128 3475 10181
TIME...MOT...LOC 2353Z 270DEG 39KT 3540 10121 3516 10121 3492 10146
$$
TXC011-065-117-375-381-080000-
/O.CON.KAMA.SV.W.0039.000000T0000Z-210508T0000Z/
Armstrong TX-Randall TX-Carson TX-Deaf Smith TX-Potter TX-
654 PM CDT Fri May 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR NORTHWESTERN ARMSTRONG...RANDALL...WESTERN CARSON...SOUTHEASTERN
DEAF SMITH AND SOUTHEASTERN POTTER COUNTIES...
At 653 PM CDT, severe thunderstorms were located along a line
extending from 3 miles southwest of White Deer to 6 miles southwest
of Groom to 10 miles northeast of Wayside, moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to roofs, siding, and trees is possible. Hail
damage to vehicles is expected.
Locations impacted include...
Amarillo, Hereford, Canyon, Panhandle, Claude, Lake Tanglewood,
Buffalo Lake, Washburn, Umbarger, Palo Duro Canyon, Mescalero Park,
Dawn, Timbercreek Canyon and Pantex.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3475 10244 3486 10244 3512 10217 3531 10187
3557 10149 3535 10137 3512 10128 3475 10181
TIME...MOT...LOC 2353Z 270DEG 39KT 3540 10121 3516 10121 3492 10146
HAIL...1.00IN
WIND...60MPH
$$
GuerreroThe office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 2:42 PM CDT | Fire Weather Watch | AMA | Dallam, Deaf Smith, Hartley, Oldham | 13 hr |
| May 7, 3:33 PM CDT | Special Weather Statement | AMA | Moore | 57 min |
| May 7, 4:33 PM CDT | Special Weather Statement | AMA | Oldham | 57 min |
| May 7, 4:38 PM CDT | Special Weather Statement | AMA | Dallam | 67 min |
| May 7, 4:47 PM CDT | Special Weather Statement | AMA | Potter | 58 min |
| May 7, 4:52 PM CDT | Severe Thunderstorm Warning | AMA | Oldham | 68 min |
| May 7, 5:00 PM CDT | Special Weather Statement | AMA | Lipscomb | 60 min |
| May 7, 5:03 PM CDT | Special Weather Statement | AMA | Sherman | 57 min |
| May 7, 5:06 PM CDT | Special Weather Statement | AMA | Randall | 54 min |
| May 7, 5:13 PM CDT | Severe Thunderstorm Warning | AMA | Dallam, Moore, Sherman | 62 min |
| May 7, 5:20 PM CDT | Special Weather Statement | AMA | Deaf Smith | 55 min |
| May 7, 6:01 PM CDT | Special Weather Statement | AMA | Hansford, Hutchinson, Ochiltree | 59 min |
| May 7, 6:19 PM CDT | Special Weather Statement | AMA | Roberts | 56 min |
| May 7, 6:27 PM CDT | Severe Thunderstorm Warning | AMA | Carson, Gray, Hansford, Hutchinson, Ochiltree, Roberts | 63 min |
| May 7, 6:45 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb, Ochiltree, Roberts | 60 min |
| May 7, 6:50 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Carson, Donley, Gray, Randall | 55 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2021Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.