Alert archive / Texas / Flash Flood Warnings in 2021
Flash Flood Warning 9, NWS Amarillo, TX
NWS Amarillo, TX issued this flash flood warning at Jul 2, 2021, 4:14 AM CDT for Armstrong County, Collingsworth County, Donley County, Texas. It was in force for 4 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
- Jul 2, 2021, 4:14 AM CDT (09:14 UTC)
- Expired
- Jul 2, 2021, 8:15 AM CDT
- In force
- 4 hr
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Armstrong County, TX, Collingsworth County, TX, Donley County, TX
The radar
The Amarillo radar (KAMA), 76 km from the middle of the area, began a volume at 09:14 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, 9.2 hours before the alert went out and 75 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
- 784 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1674 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
375
WGUS54 KAMA 020914
FFWAMA
TXC011-087-129-021215-
/O.NEW.KAMA.FF.W.0009.210702T0914Z-210702T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Amarillo TX
414 AM CDT Fri Jul 2 2021
The National Weather Service in Amarillo has issued a
* Flash Flood Warning for...
Northeastern Armstrong County in the panhandle of Texas...
Western Collingsworth County in the panhandle of Texas...
Southern Donley County in the panhandle of Texas...
* Until 715 AM CDT.
* At 414 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 6 inches of rain
have fallen. Additional rainfall amounts up to 1 inch are possible
in the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
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...
Clarendon, Hedley, Lelia Lake and Goodnight.
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.
&&
LAT...LON 3511 10129 3509 10117 3500 10091 3489 10064
3482 10054 3475 10043 3475 10102 3482 10108
3488 10134
FLASH FLOOD...RADAR INDICATED
$$
Ferguson3 follow-up statements
261
WGUS74 KAMA 021035
FFSAMA
Flash Flood Statement
National Weather Service Amarillo TX
535 AM CDT Fri Jul 2 2021
TXC011-087-129-021215-
/O.CON.KAMA.FF.W.0009.000000T0000Z-210702T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Armstrong TX-Collingsworth TX-Donley TX-
535 AM CDT Fri Jul 2 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 AM CDT THIS
MORNING FOR NORTHEASTERN ARMSTRONG, WESTERN COLLINGSWORTH AND
SOUTHERN DONLEY COUNTIES...
At 535 AM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 2 and 6 inches of rain have
fallen. Additional rainfall amounts up to 1 inch are possible in the
warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Clarendon, Hedley, Lelia Lake and Goodnight.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3511 10129 3509 10117 3500 10091 3489 10064
3482 10054 3475 10043 3475 10102 3482 10108
3488 10134
FLASH FLOOD...RADAR INDICATED
$$
Ferguson472
WGUS54 KAMA 021203
FFWAMA
TXC011-087-129-021315-
/O.EXT.KAMA.FF.W.0009.000000T0000Z-210702T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Amarillo TX
703 AM CDT Fri Jul 2 2021
The National Weather Service in Amarillo has extended the
* Flash Flood Warning for...
Northeastern Armstrong County in the panhandle of Texas...
Western Collingsworth County in the panhandle of Texas...
Southern Donley County in the panhandle of Texas...
* Until 815 AM CDT.
* At 703 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 8 inches of rain
have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
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...
Clarendon, Hedley, Lelia Lake and Goodnight.
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 3511 10129 3509 10117 3500 10091 3489 10064
3482 10054 3475 10043 3475 10102 3482 10108
3488 10134
FLASH FLOOD...RADAR INDICATED
$$
Ferguson710
WGUS74 KAMA 021308
FFSAMA
Flash Flood Statement
National Weather Service Amarillo TX
808 AM CDT Fri Jul 2 2021
TXC011-087-129-021318-
/O.EXP.KAMA.FF.W.0009.000000T0000Z-210702T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Armstrong TX-Collingsworth TX-Donley TX-
808 AM CDT Fri Jul 2 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 815 AM CDT THIS MORNING FOR
NORTHEASTERN ARMSTRONG, WESTERN COLLINGSWORTH AND SOUTHERN DONLEY
COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
A Flood Watch remains in effect until 700 PM CDT Friday for A
portion of the Panhandle of Texas.
LAT...LON 3511 10129 3509 10117 3500 10091 3489 10064
3482 10054 3475 10043 3475 10102 3482 10108
3488 10134
$$
DGWThe office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 7:55 PM CDT | Areal Flood Advisory | AMA | Collingsworth, Donley, Gray, Wheeler | 3 hr |
| Jul 1, 8:44 PM CDT | Areal Flood Advisory | AMA | Oldham, Potter | 3 hr |
| Jul 1, 8:47 PM CDT | Areal Flood Advisory | AMA | Carson, Gray | 5 hr |
| Jul 1, 10:18 PM CDT | Areal Flood Advisory | AMA | Oldham | 5 hr |
| Jul 1, 10:48 PM CDT | Areal Flood Advisory | AMA | Oldham, Potter, Randall | 37 min |
| Jul 1, 11:25 PM CDT | Flash Flood Warning | AMA | Carson, Oldham, Potter, Randall | 5 hr |
| Jul 1, 11:47 PM CDT | Areal Flood Advisory | AMA | Oldham, Potter | 3 hr |
| Jul 2, 12:32 AM CDT | Areal Flood Advisory | AMA | Armstrong, Carson, Deaf Smith, Randall | 4 hr |
| Jul 2, 1:55 AM CDT | Areal Flood Advisory | AMA | Armstrong, Collingsworth, Donley | 2 hr |
| Jul 2, 8:33 AM CDT | Areal Flood Advisory | AMA | Deaf Smith | 3 hr |
| Jul 2, 12:19 PM CDT | Areal Flood Advisory | AMA | Deaf Smith | 6 hr |
| Jul 2, 12:51 PM CDT | Areal Flood Advisory | 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.