Alert archive / Arkansas / Flash Flood Warnings in 2021

Flash Flood Warning 23, NWS Little Rock, AR

April 29, 2021Van Buren County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Apr 29, 2021, 9:36 AM CDT for Van Buren County, Arkansas. 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
Apr 29, 2021, 9:36 AM CDT (14:36 UTC)
Expired
Apr 29, 2021, 2:00 PM CDT
In force
4 hr
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Flood severity
None

County Van Buren County, AR

The radar

The Little Rock radar (KLZK), 96 km from the middle of the area, began a volume at 14:38 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

Springfield, MO (KSGF), launched 12:00Z, 2.6 hours before the alert went out and 176 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, Springfield, MO at 12:00Z on 2021-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 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, Springfield, MO at 12:00Z on 2021-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 square meters per square second.1939587897117Sfc1 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
25 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
489 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

771 
WGUS54 KLZK 291436
FFWLZK
ARC141-291645-
/O.NEW.KLZK.FF.W.0023.210429T1436Z-210429T1635Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Little Rock AR
936 AM CDT Thu Apr 29 2021

The National Weather Service in Little Rock has issued a

* Flash Flood Warning for...
  Van Buren County in north central Arkansas...

* Until 1135 AM CDT.

* At 935 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2.0 and 4 inches of 
  rain have fallen overnight. 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...
  Clinton, Fairfield Bay, Shirley, Choctaw, Claude, Rocky Hill, Old 
  Lexington, Woolum, Elba, Fairfield Bay Marina, Sugar Loaf 
  Recreation Area, Dabney, Fairbanks, Bee Branch, Beverage Town, 
  Alread, Crabtree, Culpepper, Botkinburg and Scotland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3557 9281 3571 9277 3572 9275 3572 9263
      3577 9263 3578 9261 3577 9242 3572 9242
      3571 9229 3569 9224 3544 9225 3547 9284
      3554 9282 3554 9281

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1 INCH IN 2 HOURS 

$$

99
2 follow-up statements
424 
WGUS54 KLZK 291559
FFWLZK
ARC141-291900-
/O.EXT.KLZK.FF.W.0023.000000T0000Z-210429T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Little Rock AR
1059 AM CDT Thu Apr 29 2021

The National Weather Service in Little Rock has extended the

* Flash Flood Warning for...
  Van Buren County in north central Arkansas...

* Until 200 PM CDT.

* At 1058 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 4 inches of rain 
  have fallen overnight and this morning. Conditions favorable for 
  flash flooding will continue through early afternoon.

  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...
  Clinton, Fairfield Bay, Shirley, Choctaw, Claude, Rocky Hill, Old 
  Lexington, Woolum, Elba, Fairfield Bay Marina, Sugar Loaf 
  Recreation Area, Dabney, Fairbanks, Bee Branch, Beverage Town, 
  Alread, Crabtree, Culpepper, Botkinburg and Scotland.

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.

Excessive runoff from heavy rainfall will cause flooding of small 
creeks and streams, country roads, farmland, and other low lying 
spots.

&&

LAT...LON 3557 9281 3571 9277 3572 9275 3572 9263
      3577 9263 3578 9261 3577 9242 3572 9242
      3571 9229 3569 9224 3544 9225 3547 9284
      3554 9282 3554 9281

FLASH FLOOD...RADAR INDICATED

$$

55
091 
WGUS74 KLZK 291736
FFSLZK

Flash Flood Statement
National Weather Service Little Rock AR
1236 PM CDT Thu Apr 29 2021

ARC141-291900-
/O.CON.KLZK.FF.W.0023.000000T0000Z-210429T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Van Buren AR-
1236 PM CDT Thu Apr 29 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 2 PM CDT THIS 
AFTERNOON FOR VAN BUREN COUNTY...

At 1232 PM CDT, Doppler radar indicated showers moving east across 
portions of north central and central Arkansas. Although no 
additional heavy rainfall is expected this afternoon, runoff from 
previous heavy rainfall will contribute to a flash flooding 
potential early this afternoon.

HAZARD...Flash flooding caused by showers and 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...
  Clinton, Fairfield Bay, Shirley, Choctaw, Claude, Rocky Hill, Old 
  Lexington, Woolum, Elba, Fairfield Bay Marina, Sugar Loaf 
  Recreation Area, Dabney, Fairbanks, Bee Branch, Beverage Town, 
  Alread, Crabtree, Culpepper, Botkinburg and Scotland.

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, country roads, farmland, and other low lying 
spots.

&&

LAT...LON 3557 9281 3571 9277 3572 9275 3572 9263
      3577 9263 3578 9261 3577 9242 3572 9242
      3571 9229 3569 9224 3544 9225 3547 9284
      3554 9282 3554 9281

FLASH FLOOD...RADAR INDICATED

$$

55

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 28, 7:24 PM CDTSpecial Weather StatementLZKJohnson51 min
Apr 28, 9:17 PM CDTSevere Thunderstorm WarningLZKLogan, Scott43 min
Apr 28, 9:55 PM CDTSevere Thunderstorm WarningLZKJohnson, Logan65 min
Apr 28, 10:02 PM CDTTornado WarningLZKJohnson, Logan, Yell29 min
Apr 28, 10:29 PM CDTSevere Thunderstorm WarningLZKLogan, Scott, Yell46 min
Apr 28, 10:54 PM CDTTornado WarningLZKJohnson, Logan, Pope32 min
Apr 28, 11:26 PM CDTFlash Flood WarningLZKBoone, Johnson, Logan, Marion, Newton, Pope and 1 more7 hr
Apr 28, 11:35 PM CDTSpecial Weather StatementLZKJohnson40 min
Apr 29, 12:22 AM CDTSpecial Weather StatementLZKPope, Van Buren53 min
Apr 29, 12:54 AM CDTSevere Thunderstorm WarningLZKCleburne, Stone, Van Buren51 min
Apr 29, 1:09 AM CDTSpecial Weather StatementLZKPolk36 min
Apr 29, 1:15 AM CDTFlash Flood WarningLZKBaxter, Marion, Pope, Searcy, Stone, Van Buren5 hr
Apr 29, 1:19 AM CDTSevere Thunderstorm WarningLZKPolk43 min
Apr 29, 1:24 AM CDTSpecial Weather StatementLZKScott51 min
Apr 29, 1:59 AM CDTFlash Flood WarningLZKLogan, Scott, Yell6 hr
Apr 29, 2:08 AM CDTSpecial Weather StatementLZKCleburne, Independence, Lawrence52 min
Apr 29, 2:26 AM CDTSpecial Weather StatementLZKGarland, Perry, Yell64 min
Apr 29, 2:59 AM CDTSpecial Weather StatementLZKConway, Faulkner61 min
Apr 29, 3:05 AM CDTSpecial Weather StatementLZKJackson25 min
Apr 29, 3:49 AM CDTSpecial Weather StatementLZKWhite, Woodruff41 min
Apr 29, 4:15 AM CDTRiver Flood WarningLZKFulton, Sharp16 hr
Apr 29, 4:28 AM CDTSpecial Weather StatementLZKWoodruff32 min
Apr 29, 4:33 AM CDTFlash Flood WarningLZKFulton, Izard, Lawrence, Randolph, Sharp4 hr
Apr 29, 4:35 AM CDTFlash Flood WarningLZKCleburne, Independence, Stone, Van Buren, White4 hr
Apr 29, 6:01 AM CDTFlash Flood WarningLZKGarland, Montgomery, Perry, Pike, Saline4 hr
Apr 29, 6:14 AM CDTAreal Flood WarningLZKBaxter, Boone, Johnson, Logan, Marion, Newton and 4 more6 hr
Apr 29, 7:59 AM CDTAreal Flood WarningLZKLogan, Scott, Yell6 hr
Apr 29, 8:09 AM CDTRiver Flood WarningLZKLawrence, Randolph34 hr
Apr 29, 8:28 AM CDTAreal Flood WarningLZKFulton, Izard, Lawrence, Randolph, Sharp6 hr
Apr 29, 9:50 AM CDTRiver Flood AdvisoryLZKSearcy4 hr
Apr 29, 10:32 AM CDTRiver Flood WarningLZKPope, Yell28 hr
Apr 29, 10:32 AM CDTRiver Flood WarningLZKConway, Perry60 hr
Apr 29, 10:32 AM CDTRiver Flood WarningLZKFaulkner, Perry44 hr
Apr 29, 10:32 AM CDTRiver Flood WarningLZKJefferson, Lincoln47 hr
Apr 29, 11:07 AM CDTFlash Flood WarningLZKConway, Johnson, Pope3 hr
Apr 29, 1:42 PM CDTRiver Flood WarningLZKIzard, Stone27 hr
Apr 29, 1:42 PM CDTRiver Flood WarningLZKIndependence44 hr
Apr 29, 1:48 PM CDTRiver Flood WarningLZKSearcy9 hr
Apr 29, 2:08 PM CDTRiver Flood WarningLZKIndependence, Jackson5 days
Apr 29, 2:08 PM CDTRiver Flood WarningLZKPrairie, White, Woodruff17 days
Apr 29, 2:08 PM CDTRiver Flood WarningLZKPrairie26 days

Nearby

Flash 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.