Alert archive / Texas / Flash Flood Warnings in 2018
Flash Flood Warning 2, NWS Amarillo, TX
NWS Amarillo, TX issued this flash flood warning at May 23, 2018, 10:37 PM CDT for Hartley County, Oldham County, Texas. It was in force for 2 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 23, 2018, 10:37 PM CDT (03:37 UTC)
- Expired
- May 24, 2018, 12:47 AM CDT
- In force
- 2 hr
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Hartley County, TX, Oldham County, TX
The radar
The Amarillo radar (KAMA), 105 km from the middle of the area, began a volume at 03:41 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, 3.6 hours before the alert went out and 106 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
- 546 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 2196 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
188
WGUS54 KAMA 240337
FFWAMA
TXC205-359-240730-
/O.NEW.KAMA.FF.W.0002.180524T0337Z-180524T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Amarillo TX
1037 PM CDT WED MAY 23 2018
The National Weather Service in Amarillo has issued a
* Flash Flood Warning for...
Northern Oldham County in the Panhandle of Texas...
Hartley County in the Panhandle of Texas...
* Until 230 AM CDT
* At 1037 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Two to four inches of rain have
already fallen. Flash flooding is expected.
* Some locations that will experience flooding include...
Hartley, Channing, Boys Ranch and Romero.
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 3593 10301 3602 10217 3550 10217 3541 10304
$$
Schneider3 follow-up statements
973 WGUS74 KAMA 240444 FFSAMA Flash Flood Statement National Weather Service Amarillo TX 1144 PM CDT WED MAY 23 2018 TXC205-359-240730- /O.CON.KAMA.FF.W.0002.000000T0000Z-180524T0730Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Oldham TX-Hartley TX- 1144 PM CDT WED MAY 23 2018 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM CDT FOR NORTHERN OLDHAM AND SOUTHERN HARTLEY COUNTIES... At 1144 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Two to four inches of rain have already fallen. Flash flooding is expected. Some locations that will experience flooding include... Channing and Boys Ranch. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 3571 10300 3582 10224 3550 10217 3541 10304 $$ Schneider
462 WGUS74 KAMA 240453 FFSAMA Flash Flood Statement National Weather Service Amarillo TX 1153 PM CDT WED MAY 23 2018 TXC205-359-240730- /O.CON.KAMA.FF.W.0002.000000T0000Z-180524T0730Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Oldham TX-Hartley TX- 1153 PM CDT WED MAY 23 2018 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM CDT FOR NORTHEASTERN OLDHAM AND SOUTHEASTERN HARTLEY COUNTIES... At 1153 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Two to four inches of rain have already fallen. Flash flooding is expected. Some locations that will experience flooding include... Channing and Boys Ranch. 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 3571 10277 3582 10224 3550 10217 3545 10264 $$ Schneider
852 WGUS74 KAMA 240547 FFSAMA Flash Flood Statement National Weather Service Amarillo TX 1247 AM CDT THU MAY 24 2018 TXC205-359-240556- /O.CAN.KAMA.FF.W.0002.000000T0000Z-180524T0730Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Oldham TX-Hartley TX- 1247 AM CDT THU MAY 24 2018 ...THE FLASH FLOOD WARNING FOR NORTHEASTERN OLDHAM AND SOUTHEASTERN HARTLEY COUNTIES IS CANCELLED... The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed any remaining road closures. LAT...LON 3571 10277 3582 10224 3550 10217 3545 10264 $$ Schneider
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 7:38 PM CDT | Areal Flood Advisory | AMA | Ochiltree | 3 hr |
| May 23, 8:54 PM CDT | Areal Flood Advisory | AMA | Carson, Hutchinson, Moore, Potter | 3 hr |
| May 23, 9:21 PM CDT | Special Weather Statement | AMA | Moore | 24 min |
| May 23, 10:04 PM CDT | Areal Flood Advisory | AMA | Hartley, Oldham | 116 min |
| May 23, 10:38 PM CDT | Areal Flood Advisory | AMA | Hemphill | 3 hr |
| May 23, 11:15 PM CDT | Areal Flood Advisory | AMA | Moore, Potter | 2 hr |
| May 24, 12:01 AM CDT | Areal Flood Advisory | AMA | Lipscomb, Ochiltree, Roberts | 4 hr |
| May 24, 12:22 AM CDT | Areal Flood Advisory | AMA | Hansford, Hutchinson | 74 min |
Nearby
Flash Flood Warnings in Texas, 2018Every flash flood warning in 2018
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.