Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 30, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Apr 27, 2021, 6:09 PM CDT for 4 counties in 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
- Apr 27, 2021, 6:09 PM CDT (23:09 UTC)
- Expired
- Apr 27, 2021, 6:40 PM CDT
- In force
- 31 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Gray County, TX, Hemphill County, TX, Roberts County, TX, Wheeler County, TX
The radar
The Amarillo radar (KAMA), 94 km from the middle of the area, began a volume at 23:09 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 27, 1:57 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 11.2 hours before the alert went out and 93 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
- 4126 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
795
WUUS54 KAMA 272309
SVRAMA
TXC179-211-393-483-280000-
/O.NEW.KAMA.SV.W.0030.210427T2309Z-210428T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
609 PM CDT Tue Apr 27 2021
The National Weather Service in Amarillo has issued a
* Severe Thunderstorm Warning for...
Northwestern Wheeler County in the Panhandle of Texas...
Northern Gray County in the Panhandle of Texas...
Southern Roberts County in the Panhandle of Texas...
Southwestern Hemphill County in the Panhandle of Texas...
* Until 700 PM CDT.
* At 609 PM CDT, a severe thunderstorm was located 5 miles northwest
of Lefors, or 6 miles southeast of Pampa, moving northeast at 40
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...
Pampa, Miami, Lefors, Codman and Lora.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3534 10080 3548 10105 3594 10089 3573 10024
TIME...MOT...LOC 2309Z 205DEG 34KT 3551 10086
HAIL...1.00IN
WIND...60MPH
$$
TLH4 follow-up statements
067 WWUS54 KAMA 272324 SVSAMA Severe Weather Statement National Weather Service Amarillo TX 624 PM CDT Tue Apr 27 2021 TXC179-211-393-483-280000- /O.CON.KAMA.SV.W.0030.000000T0000Z-210428T0000Z/ Wheeler TX-Gray TX-Roberts TX-Hemphill TX- 624 PM CDT Tue Apr 27 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR NORTHWESTERN WHEELER...NORTHERN GRAY...SOUTHERN ROBERTS AND SOUTHWESTERN HEMPHILL COUNTIES... At 624 PM CDT, a severe thunderstorm was located 4 miles southwest of Codman, or 9 miles northeast of Pampa, moving north at 50 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Minor damage to roofs, siding, and trees is possible. Locations impacted include... Pampa, Miami, Lefors, Codman and Lora. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3537 10078 3551 10104 3594 10089 3573 10024 TIME...MOT...LOC 2324Z 201DEG 43KT 3561 10082 HAIL...0.75IN WIND...60MPH $$ TLH
233 WWUS54 KAMA 272331 SVSAMA Severe Weather Statement National Weather Service Amarillo TX 631 PM CDT Tue Apr 27 2021 TXC179-211-393-483-280000- /O.CON.KAMA.SV.W.0030.000000T0000Z-210428T0000Z/ Wheeler TX-Gray TX-Roberts TX-Hemphill TX- 631 PM CDT Tue Apr 27 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR NORTHWESTERN WHEELER...NORTHERN GRAY...SOUTHERN ROBERTS AND SOUTHWESTERN HEMPHILL COUNTIES... At 631 PM CDT, a severe thunderstorm was located 7 miles northwest of Codman, or 9 miles west of Miami, moving north at 55 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Minor damage to roofs, siding, and trees is possible. Locations impacted include... Pampa, Miami, Codman and Lora. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3548 10068 3551 10104 3594 10089 3573 10024 TIME...MOT...LOC 2331Z 192DEG 50KT 3573 10081 HAIL...0.75IN WIND...60MPH $$ TLH
360
WWUS54 KAMA 272337
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
637 PM CDT Tue Apr 27 2021
TXC179-483-272346-
/O.CAN.KAMA.SV.W.0030.000000T0000Z-210428T0000Z/
Wheeler TX-Gray TX-
637 PM CDT Tue Apr 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WHEELER AND
NORTHERN GRAY COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3562 10060 3562 10100 3594 10089 3579 10043
TIME...MOT...LOC 2336Z 191DEG 44KT 3579 10080
$$
TXC211-393-280000-
/O.CON.KAMA.SV.W.0030.000000T0000Z-210428T0000Z/
Roberts TX-Hemphill TX-
637 PM CDT Tue Apr 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR SOUTHERN ROBERTS AND WEST CENTRAL HEMPHILL COUNTIES...
At 636 PM CDT, a severe thunderstorm was located 10 miles north of
Codman, or 10 miles northwest of Miami, moving north at 50 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to roofs, siding, and trees is possible.
Locations impacted include...
Miami, Codman and Lora.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3562 10060 3562 10100 3594 10089 3579 10043
TIME...MOT...LOC 2336Z 191DEG 44KT 3579 10080
HAIL...0.75IN
WIND...60MPH
$$
TLH338
WWUS54 KAMA 272340
SVSAMA
Severe Weather Statement
National Weather Service Amarillo TX
640 PM CDT Tue Apr 27 2021
TXC211-393-272349-
/O.CAN.KAMA.SV.W.0030.000000T0000Z-210428T0000Z/
Roberts TX-Hemphill TX-
640 PM CDT Tue Apr 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN ROBERTS AND WEST
CENTRAL HEMPHILL COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning has been cancelled.
LAT...LON 3562 10060 3562 10100 3594 10089 3579 10043
TIME...MOT...LOC 2336Z 205DEG 34KT 3582 10078
$$
TLHThe office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 1:42 AM CDT | Wind Advisory | AMA | Dallam, Hartley, Sherman | 17 hr |
| Apr 27, 5:30 PM CDT | Special Weather Statement | AMA | Gray | 30 min |
| Apr 27, 5:55 PM CDT | Special Weather Statement | AMA | Gray | 35 min |
| Apr 27, 6:06 PM CDT | Special Weather Statement | AMA | Donley | 39 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.