Alert archive / Arkansas / Flash Flood Warnings in 2021

Flash Flood Warning 35, NWS Little Rock, AR

May 18, 2021Grant County, Pulaski County, Saline County, Arkansas

NWS Little Rock, AR issued this flash flood warning at May 18, 2021, 10:51 PM CDT for Grant County, Pulaski County, Saline County, Arkansas. It was in force for 118 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
May 18, 2021, 10:51 PM CDT (03:51 UTC)
Expired
May 19, 2021, 12:49 AM CDT
In force
118 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Flood severity
None

Counties Grant County, AR, Pulaski County, AR, Saline County, AR

The radar

The Little Rock radar (KLZK), 43 km from the middle of the area, began a volume at 03:54 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

Little Rock, AR (KLZK), launched 00:00Z, 3.9 hours before the alert went out and 225 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, Little Rock, AR at 00:00Z on 2021-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 784 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, Little Rock, AR at 00:00Z on 2021-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 square meters per square second.193958Sfc1 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
784 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
649 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
162 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.5

Open this sounding in Storm Lab

The text

As transmitted.

096 
WGUS54 KLZK 190351
FFWLZK
ARC053-119-125-190800-
/O.NEW.KLZK.FF.W.0035.210519T0351Z-210519T0750Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Little Rock AR
1051 PM CDT Tue May 18 2021

The National Weather Service in Little Rock has issued a

* Flash Flood Warning for...
  Central Grant County in central Arkansas...
  Southeastern Pulaski County in central Arkansas...
  Southeastern Saline County in central Arkansas...

* Until 250 AM CDT.

* At 1048 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 0.5 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...
  Little Rock, North Little Rock, Sherwood, Jacksonville, Downtown 
  Little Rock, Sheridan, Southwest Little Rock, North Little Rock 
  Airport, Shannon Hills, Wrightsville, Argenta, East End, Cane 
  Creek, Ironton, Sweet Home, Geyer Springs, State Fairgrounds, 
  Levy, Burns Park and Protho Junction.

Heavy rain will continue to move into the warning area. 
Precipitation will likely train over the same locations leading to 
areas of flash flooding.

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 3454 9241 3479 9234 3489 9225 3483 9209
      3445 9228 3411 9241 3411 9243 3411 9245
      3425 9250 3440 9248

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-3 INCHES IN 3 HOURS 

$$

Jones
1 follow-up statement
147 
WGUS74 KLZK 190549
FFSLZK

Flash Flood Statement
National Weather Service Little Rock AR
1249 AM CDT Wed May 19 2021

ARC053-119-125-190559-
/O.CAN.KLZK.FF.W.0035.000000T0000Z-210519T0750Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Grant AR-Pulaski AR-Saline AR-
1249 AM CDT Wed May 19 2021

...FLASH FLOOD WARNING IS CANCELLED FOR CENTRAL GRANT, SOUTHEASTERN 
PULASKI AND SOUTHEASTERN SALINE 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 AM CDT Thursday for 
portions of central Arkansas...north central Arkansas...southwest 
Arkansas and western Arkansas.

LAT...LON 3454 9241 3479 9234 3489 9225 3483 9209
      3445 9228 3411 9241 3411 9243 3411 9245
      3425 9250 3440 9248

$$

62

The office that day

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

IssuedProductOfficeCountiesLasted
May 18, 7:07 PM CDTSpecial Weather StatementLZKConway, Pope, Saline53 min
May 18, 7:21 PM CDTSpecial Weather StatementLZKClark39 min
May 18, 7:33 PM CDTTornado WarningLZKConway, Faulkner, Perry16 min
May 18, 8:04 PM CDTSpecial Weather StatementLZKPulaski41 min
May 18, 8:08 PM CDTSpecial Weather StatementLZKFaulkner37 min
May 18, 8:22 PM CDTSpecial Weather StatementLZKFaulkner38 min
May 18, 8:34 PM CDTSevere Thunderstorm WarningLZKFaulkner, Pulaski20 min
May 18, 8:42 PM CDTFlash Flood WarningLZKGarland, Montgomery, Perry4 hr
May 18, 8:50 PM CDTFlash Flood WarningLZKFaulkner, Pulaski, Van Buren5 hr
May 18, 8:54 PM CDTRiver Flood AdvisoryLZKPrairie, White, Woodruff13 hr
May 18, 8:56 PM CDTFlash Flood WarningLZKFaulkner, Grant, Pulaski, Saline5 hr
May 18, 9:25 PM CDTFlash Flood WarningLZKClark, Dallas, Ouachita3 hr
May 18, 10:00 PM CDTFlash Flood WarningLZKCleburne, Faulkner, Lonoke, Pulaski, Van Buren, White3 hr
May 18, 10:34 PM CDTFlash Flood WarningLZKCalhoun, Dallas, Grant, Ouachita4 hr
May 19, 10:18 AM CDTRiver Flood WarningLZKPrairie, White, Woodruff35 hr
May 19, 11:28 AM CDTFlash Flood WatchLZKClark, Cleburne, Conway, Dallas, Faulkner, Garland and 9 more32 hr
May 19, 4:43 PM CDTFlash Flood WarningLZKBradley, Calhoun, Cleveland, Dallas, Grant3 hr
May 19, 5:34 PM CDTFlash Flood WarningLZKFaulkner, Grant, Perry, Pulaski, Saline2 hr

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.