Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 11, NWS Shreveport, LA

May 26, 2021Little River County, Miller County, Arkansas; Bowie County, Cass County, Red River County, Texas

NWS Shreveport, LA issued this flash flood warning at May 26, 2021, 12:54 AM CDT for Little River County, Miller County, Arkansas; Bowie County, Cass County, Red River County, Texas. It was in force for 8 hr. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 26, 2021, 12:54 AM CDT (05:54 UTC)
Expired
May 26, 2021, 9:00 AM CDT
In force
8 hr
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Flood severity
None

Counties Little River County, AR, Miller County, AR, Bowie County, TX, Cass County, TX, Red River County, TX

The radar

The Shreveport radar (KSHV), 117 km from the middle of the area, began a volume at 05:58 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.

What was reported inside it

TimeReportWhereRemark
May 26, 3:27 AM CDTFLASH FLOOD1 Sw Texarkana, ARWIDESPREAD FLASH FLOODING ONGOING ON THE ARKANSAS SIDE OF TEXARKANA.
May 26, 3:27 AM CDTFLASH FLOOD1 Wsw Texarkana, TXWIDESPREAD FLASH FLOODING IS ONGOING IN BOWIE COUNTY AND ON THE TEXAS SIDE OF TEXARKANA.
May 26, 8:00 AM CDTFLASH FLOOD1 Ne Wake Village, TXBOWIE COUNTY SHERIFFS OFFICE REPORTS MOST LOW LYING AREAS ARE STILL DEALING WITH HIGH WATER AND SOME STRUCTURES WITH WATER INUNDATION AFTER HEAVY RAIN HAS CEASED. A FEW WATER RESCUES HAVE ALSO BEEN OCCURRING.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 5.9 hours before the alert went out and 118 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.

Skew-T log-pSkew-T log-p diagram, Shreveport, LA at 00:00Z on 2021-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 00:00Z on 2021-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
11 J/kg
Mixed-layer CIN
-327 J/kg
Mixed-layer LCL
1125 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

581 
WGUS54 KSHV 260554
FFWSHV
ARC081-091-TXC037-067-387-260900-
/O.NEW.KSHV.FF.W.0011.210526T0554Z-210526T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Shreveport LA
1254 AM CDT Wed May 26 2021

The National Weather Service in Shreveport has issued a

* Flash Flood Warning for...
  Southern Little River County in southwestern Arkansas...
  West Central Miller County in southwestern Arkansas...
  Bowie County in northeastern Texas...
  Northeastern Cass County in northeastern Texas...
  Southeastern Red River County in northeastern Texas...

* Until 400 AM CDT.

* At 1254 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Texarkana, Wake Village, New Boston, Boxelder, Nash, Hooks, De 
  Kalb, Queen City, Redwater, Maud, Red Lick, Fouke, Mandeville, 
  Dalby Springs, Genoa, Leary, Avery, Mount Pleasant and 
  Douglassville.

Additional rainfall amounts of 1 to 2 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Please report flooding to your local law enforcement agency when you 
can do so safely.

&&

LAT...LON 3351 9496 3365 9472 3356 9447 3352 9402
      3336 9381 3320 9376 3315 9403 3324 9451

FLASH FLOOD...RADAR INDICATED

$$

09
4 follow-up statements
030 
WGUS74 KSHV 260729
FFSSHV

Flash Flood Statement
National Weather Service Shreveport LA
229 AM CDT Wed May 26 2021

ARC081-091-TXC037-067-387-260900-
/O.CON.KSHV.FF.W.0011.000000T0000Z-210526T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Little River AR-Miller AR-Bowie TX-Cass TX-Red River TX-
229 AM CDT Wed May 26 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 4 AM CDT EARLY THIS 
MORNING FOR SOUTHERN LITTLE RIVER, WEST CENTRAL MILLER, BOWIE, 
NORTHEASTERN CASS AND SOUTHEASTERN RED RIVER COUNTIES...

At 229 AM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 2 and 3 inches of rain have 
fallen. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Doppler radar.

IMPACT...Flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other
         drainage and low lying areas.

Some locations that will experience flash flooding include...
  Texarkana, Wake Village, New Boston, Boxelder, Nash, Hooks, De 
  Kalb, Queen City, Redwater, Maud, Red Lick, Fouke, Mandeville, 
  Dalby Springs, Genoa, Leary, Avery, Mount Pleasant and 
  Douglassville.

Additional rainfall amounts of 2 to 3 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Please report flooding to your local law enforcement agency when you 
can do so safely.

&&

LAT...LON 3351 9496 3365 9472 3356 9447 3352 9402
      3336 9381 3320 9376 3315 9403 3324 9451

FLASH FLOOD...RADAR INDICATED

$$

09
140 
WGUS74 KSHV 260822
FFSSHV

Flash Flood Statement
National Weather Service Shreveport LA
322 AM CDT Wed May 26 2021

TXC387-260832-
/O.CAN.KSHV.FF.W.0011.000000T0000Z-210526T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Red River TX-
322 AM CDT Wed May 26 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN RED RIVER 
COUNTY...

Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

LAT...LON 3350 9473 3365 9472 3356 9447 3352 9404
      3352 9402 3336 9381 3320 9376 3324 9404
      3324 9410 3325 9423 3325 9432 3326 9446
      3328 9450

$$

ARC081-091-TXC037-067-260900-
/O.CON.KSHV.FF.W.0011.000000T0000Z-210526T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Little River AR-Miller AR-Bowie TX-Cass TX-
322 AM CDT Wed May 26 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 4 AM CDT EARLY THIS 
MORNING FOR SOUTHERN LITTLE RIVER, WEST CENTRAL MILLER, BOWIE AND 
NORTHEASTERN CASS COUNTIES...

At 322 AM CDT, Doppler radar and automated rain gauges indicated 
thunderstorms producing heavy rain across the warned area. Between 3 
and 4 inches of rain have fallen. Flash flooding is ongoing or 
expected to begin shortly.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding.

SOURCE...Doppler radar and automated gauges.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Texarkana, Wake Village, New Boston, Nash, Hooks, De Kalb, 
  Redwater, Maud, Red Lick, Fouke, Mandeville, Genoa, Leary, Mount 
  Pleasant, Domino, Red Bank, Pleasant Hill, Spring Hill and Almont.

Additional rainfall amounts of 2 to 3 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Please report flooding to your local law enforcement agency when you 
can do so safely.

&&

LAT...LON 3350 9473 3365 9472 3356 9447 3352 9404
      3352 9402 3336 9381 3320 9376 3324 9404
      3324 9410 3325 9423 3325 9432 3326 9446
      3328 9450

FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

09
771 
WGUS54 KSHV 260823
FFWSHV
ARC081-091-TXC037-067-261400-
/O.EXT.KSHV.FF.W.0011.000000T0000Z-210526T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Shreveport LA
323 AM CDT Wed May 26 2021

The National Weather Service in Shreveport has extended the

* Flash Flood Warning for...
  Southern Little River County in southwestern Arkansas...
  West Central Miller County in southwestern Arkansas...
  Bowie County in northeastern Texas...
  Northeastern Cass County in northeastern Texas...

* Until 900 AM CDT.

* At 323 AM CDT, Doppler radar and automated rain gauges indicated 
  thunderstorms producing heavy rain across the warned area. Between 
  3 and 4 inches of rain have fallen. Flash flooding is ongoing or 
  expected to begin shortly.

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Doppler radar and automated gauges.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Texarkana, Wake Village, New Boston, Nash, Hooks, De Kalb, 
  Redwater, Maud, Red Lick, Fouke, Mandeville, Genoa, Leary, Mount 
  Pleasant, Domino, Red Bank, Pleasant Hill, Spring Hill and Almont.

Additional rainfall amounts of 2 to 3 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Please report flooding to your local law enforcement agency when you 
can do so safely.

&&

LAT...LON 3350 9473 3365 9472 3356 9447 3352 9404
      3352 9402 3336 9381 3320 9376 3324 9404
      3324 9410 3325 9423 3325 9432 3326 9446
      3328 9450

FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

09
792 
WGUS74 KSHV 261026
FFSSHV

Flash Flood Statement
National Weather Service Shreveport LA
526 AM CDT Wed May 26 2021

ARC081-261036-
/O.CAN.KSHV.FF.W.0011.000000T0000Z-210526T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Little River AR-
526 AM CDT Wed May 26 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHERN LITTLE RIVER 
COUNTY...

Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

LAT...LON 3350 9473 3365 9472 3356 9447 3352 9402
      3336 9381 3320 9376 3324 9404 3326 9446
      3328 9450

$$

ARC091-TXC037-067-261400-
/O.CON.KSHV.FF.W.0011.000000T0000Z-210526T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Miller AR-Bowie TX-Cass TX-
526 AM CDT Wed May 26 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING 
FOR WEST CENTRAL MILLER, BOWIE AND NORTHEASTERN CASS COUNTIES...

At 526 AM CDT, Doppler radar and automated rain gauges indicated 
thunderstorms producing heavy rain across the warned area. Between 4 
and 6 inches of rain have fallen. Flash flooding is already 
occurring.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding.

SOURCE...Doppler radar and automated gauges.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Texarkana, Wake Village, New Boston, Nash, Hooks, De Kalb, 
  Redwater, Maud, Red Lick, Fouke, Mandeville, Genoa, Leary, Mount 
  Pleasant, Domino, Red Bank, Pleasant Hill, Spring Hill and Almont.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Please report flooding to your local law enforcement agency when you 
can do so safely.

&&

LAT...LON 3350 9473 3365 9472 3356 9447 3352 9402
      3336 9381 3320 9376 3324 9404 3326 9446
      3328 9450

FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

09

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 26, 2:23 AM CDTFlash Flood WarningSHVColumbia, Hempstead, Lafayette, Little River, Miller, Nevada3 hr
May 26, 3:56 AM CDTSpecial Weather StatementSHVColumbia, Lafayette64 min
May 26, 4:20 AM CDTFlash Flood WarningSHVColumbia, Lafayette, Miller, Union4 hr
May 26, 9:10 AM CDTAreal Flood AdvisorySHVLittle River, Miller110 min
May 26, 11:43 AM CDTAreal Flood AdvisorySHVLittle River, Miller3 hr
May 25, 7:37 PM CDTRiver Flood WarningSHVGregg13 hr
May 25, 8:02 PM CDTRiver Flood WarningSHVNacogdoches, Rusk24 hr

Nearby

Flash Flood Warnings in Texas, 2021Flash Flood Warnings in Arkansas, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.