Alert archive / Texas / Flash Flood Warnings in 2021
Flash Flood Warning 6, NWS Amarillo, TX
NWS Amarillo, TX issued this flash flood warning at May 31, 2021, 1:28 AM CDT for Donley County, Gray County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 31, 2021, 1:28 AM CDT (06:28 UTC)
- Expired
- May 31, 2021, 4:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Donley County, TX, Gray County, TX
The radar
The Amarillo radar (KAMA), 79 km from the middle of the area, began a volume at 06:28 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, 6.5 hours before the alert went out and 78 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
- 436 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 1025 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.7
The text
As transmitted.
905
WGUS54 KAMA 310628
FFWAMA
TXC129-179-310930-
/O.NEW.KAMA.FF.W.0006.210531T0628Z-210531T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Amarillo TX
128 AM CDT Mon May 31 2021
The National Weather Service in Amarillo has issued a
* Flash Flood Warning for...
Northwestern Donley County in the panhandle of Texas...
Southern Gray County in the panhandle of Texas...
* Until 430 AM CDT.
* At 128 AM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
2 and 4 inches of rain have fallen. Additional rainfall amounts of
1 to 2 inches are possible in the warned area. Flash flooding is
ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Mclean, Lake Mcclellan and Alanreed.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3534 10109 3537 10097 3534 10076 3536 10065
3532 10060 3525 10057 3523 10058 3521 10066
3520 10078 3516 10084 3516 10098 3517 10108
3517 10109
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
Ferguson1 follow-up statement
323
WGUS74 KAMA 310648
FFSAMA
Flash Flood Statement
National Weather Service Amarillo TX
148 AM CDT Mon May 31 2021
TXC129-179-310930-
/O.CON.KAMA.FF.W.0006.000000T0000Z-210531T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Donley TX-Gray TX-
148 AM CDT Mon May 31 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 430 AM CDT EARLY THIS
MORNING FOR NORTHWESTERN DONLEY AND SOUTHERN GRAY COUNTIES...
At 148 AM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. The West
Texas Mesonet site at Lake McClellan has recorded 2.98 inches of
rainfall in the last 90 minutes. Additional rainfall amounts of 1 to
2 inches are possible in the warned area. Flash flooding is ongoing
or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Mclean, Lake Mcclellan and Alanreed.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3534 10109 3537 10097 3534 10076 3536 10065
3532 10060 3525 10057 3523 10058 3521 10066
3520 10078 3516 10084 3516 10098 3517 10108
3517 10109
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
FergusonThe office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 7:22 PM CDT | Severe Thunderstorm Warning | AMA | Hartley, Moore, Oldham, Potter | 68 min |
| May 30, 7:29 PM CDT | Tornado Warning | AMA | Sherman | 46 min |
| May 30, 7:46 PM CDT | Severe Thunderstorm Warning | AMA | Dallam, Sherman | 59 min |
| May 30, 8:14 PM CDT | Tornado Warning | AMA | Hansford, Sherman | 46 min |
| May 30, 8:19 PM CDT | Areal Flood Advisory | AMA | Sherman | 4 hr |
| May 30, 8:47 PM CDT | Severe Thunderstorm Warning | AMA | Hansford, Hutchinson, Moore, Ochiltree, Roberts, Sherman | 58 min |
| May 30, 9:19 PM CDT | Special Weather Statement | AMA | Moore, Potter | 41 min |
| May 30, 9:24 PM CDT | Areal Flood Advisory | AMA | Hansford, Sherman | 3 hr |
| May 30, 9:31 PM CDT | Special Weather Statement | AMA | Ochiltree, Roberts | 44 min |
| May 30, 9:54 PM CDT | Special Weather Statement | AMA | Hutchinson, Potter | 36 min |
| May 30, 10:14 PM CDT | Special Weather Statement | AMA | Ochiltree, Roberts | 46 min |
| May 30, 10:27 PM CDT | Areal Flood Advisory | AMA | Potter | 3 hr |
| May 30, 10:27 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Carson, Potter, Randall | 63 min |
| May 30, 10:30 PM CDT | Special Weather Statement | AMA | Carson, Hutchinson | 60 min |
| May 30, 10:35 PM CDT | Special Weather Statement | AMA | Gray | 25 min |
| May 30, 10:38 PM CDT | Tornado Warning | AMA | Carson, Gray | 22 min |
| May 30, 10:53 PM CDT | Special Weather Statement | AMA | Hemphill, Lipscomb | 67 min |
| May 30, 10:57 PM CDT | Flash Flood Warning | AMA | Armstrong, Carson, Potter, Randall | 4 hr |
| May 30, 11:32 PM CDT | Special Weather Statement | AMA | Gray | 28 min |
| May 31, 12:03 AM CDT | Special Weather Statement | AMA | Gray | 27 min |
| May 31, 12:04 AM CDT | Areal Flood Advisory | AMA | Carson, Gray, Hemphill, Roberts | 3 hr |
| May 31, 12:28 AM CDT | Special Weather Statement | AMA | Collingsworth | 32 min |
| May 31, 12:29 AM CDT | Areal Flood Advisory | AMA | Armstrong, Carson, Randall | 12 min |
| May 31, 12:41 AM CDT | Flash Flood Warning | AMA | Armstrong, Carson, Randall | 3 hr |
| May 31, 12:47 AM CDT | Severe Thunderstorm Warning | AMA | Collingsworth, Wheeler | 58 min |
| May 31, 1:12 AM CDT | Areal Flood Advisory | AMA | Armstrong, Collingsworth, Donley, Gray, Hemphill, Randall and 1 more | 3 hr |
| May 31, 2:27 AM CDT | Flash Flood Warning | AMA | Collingsworth, Donley | 3 hr |
Nearby
Flash Flood Warnings in Texas, 2021Every flash flood 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.