Alert archive / Texas / Flash Flood Warnings in 2017
Flash Flood Warning 3, NWS Amarillo, TX
NWS Amarillo, TX issued this flash flood warning at Jul 26, 2017, 7:33 PM CDT for Oldham County, Potter County, Randall County, Texas. It was in force for 117 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
- Jul 26, 2017, 7:33 PM CDT (00:33 UTC)
- Expired
- Jul 26, 2017, 9:30 PM CDT
- In force
- 117 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Oldham County, TX, Potter County, TX, Randall County, TX
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 0.6 hours before the alert went out and 34 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
- 289 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 2711 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
485
WGUS54 KAMA 270033
FFWAMA
TXC359-375-381-270230-
/O.NEW.KAMA.FF.W.0003.170727T0033Z-170727T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Amarillo TX
733 PM CDT WED JUL 26 2017
The National Weather Service in Amarillo has issued a
* Flash Flood Warning for...
Northern Randall County in the Panhandle of Texas...
Southeastern Oldham County in the Panhandle of Texas...
Southern Potter County in the Panhandle of Texas...
* Until 930 PM CDT
* At 733 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. One to three inches of rain have
already fallen. Flash flooding is expected.
* Some locations that will experience flooding include...
Amarillo and Bushland.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.
&&
LAT...LON 3516 10217 3518 10217 3518 10220 3527 10229
3532 10215 3528 10170 3506 10175
$$
Bieda1 follow-up statement
897
WGUS74 KAMA 270108
FFSAMA
Flash Flood Statement
National Weather Service Amarillo TX
808 PM CDT WED JUL 26 2017
TXC359-375-381-270118-
/O.CAN.KAMA.FF.W.0003.000000T0000Z-170727T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Randall TX-Oldham TX-Potter TX-
808 PM CDT WED JUL 26 2017
...THE FLASH FLOOD WARNING FOR NORTHERN RANDALL...SOUTHEASTERN OLDHAM
AND SOUTHERN POTTER COUNTIES IS CANCELLED...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.
LAT...LON 3516 10217 3518 10217 3518 10220 3527 10229
3532 10215 3528 10170 3506 10175
$$
BiedaThe office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 7:02 PM CDT | Special Weather Statement | AMA | Moore | 28 min |
| Jul 26, 7:04 PM CDT | Special Weather Statement | AMA | Hansford | 26 min |
| Jul 26, 7:25 PM CDT | Severe Thunderstorm Warning | AMA | Potter, Randall | 38 min |
| Jul 26, 7:39 PM CDT | Special Weather Statement | AMA | Hutchinson | 36 min |
| Jul 26, 7:52 PM CDT | Severe Thunderstorm Warning | AMA | Hutchinson | 41 min |
| Jul 26, 8:01 PM CDT | Special Weather Statement | AMA | Hartley | 29 min |
| Jul 26, 8:22 PM CDT | Special Weather Statement | AMA | Hansford | 23 min |
| Jul 26, 8:46 PM CDT | Special Weather Statement | AMA | Hartley | 44 min |
| Jul 26, 8:57 PM CDT | Areal Flood Advisory | AMA | Dallam, Hartley | 2 hr |
| Jul 26, 9:34 PM CDT | Special Weather Statement | AMA | Moore | 41 min |
| Jul 27, 1:57 AM CDT | Areal Flood Advisory | AMA | Dallam | 4 hr |
| Jul 27, 2:00 AM CDT | Areal Flood Advisory | AMA | Deaf Smith, Oldham, Potter, Randall | 4 hr |
| Jul 27, 3:39 AM CDT | Flash Flood Watch | AMA | Dallam, Deaf Smith, Hartley, Oldham | 27 hr |
| Jul 27, 2:22 PM CDT | Special Weather Statement | AMA | Hansford | 23 min |
| Jul 27, 2:29 PM CDT | Special Weather Statement | AMA | Moore | 31 min |
| Jul 27, 2:45 PM CDT | Special Weather Statement | AMA | Hansford | 30 min |
| Jul 27, 3:32 PM CDT | Severe Thunderstorm Warning | AMA | Hansford, Ochiltree | 43 min |
| Jul 27, 6:28 PM CDT | Special Weather Statement | AMA | Hemphill, Wheeler | 47 min |
Nearby
Flash Flood Warnings in Texas, 2017Every flash flood warning in 2017
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.