Alert archive / Arkansas / Flash Flood Warnings in 2021

Flash Flood Warning 50, NWS Little Rock, AR

June 1, 2021Lonoke County, Pulaski County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Jun 1, 2021, 9:58 PM CDT for Lonoke County, Pulaski County, Arkansas. It was in force for 25 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
Jun 1, 2021, 9:58 PM CDT (02:58 UTC)
Expired
Jun 1, 2021, 10:23 PM CDT
In force
25 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Flood severity
None

Counties Lonoke County, AR, Pulaski County, AR

The radar

The Little Rock radar (KLZK), 28 km from the middle of the area, began a volume at 03:01 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, 3.0 hours before the alert went out and 209 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 2021-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 85 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 2021-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 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
85 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
648 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
154 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

352 
WGUS54 KLZK 020258
FFWLZK
ARC085-119-020500-
/O.NEW.KLZK.FF.W.0050.210602T0258Z-210602T0455Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Little Rock AR
958 PM CDT Tue Jun 1 2021

The National Weather Service in Little Rock has issued a

* Flash Flood Warning for...
  Southwestern Lonoke County in central Arkansas...
  Southeastern Pulaski County in central Arkansas...

* Until 1155 PM CDT.

* At 958 PM CDT, Doppler radar indicated heavy rain across the 
  warned area. Between 1 and 1.5 inches of rain have fallen. Flash 
  flooding is ongoing or expected to begin shortly.

  HAZARD...Flash flooding caused by heavy rain.

  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, Wrightsville, Keo, Estes, Toltec 
  Mounds State Park, Scott, Sweet Home, Ironton, East End, Baucum, 
  Terry Lock and Dam, Willow Beach, Bredlow Corner, Higgins, Toltec, 
  Woodson, Hensley and Parkers-Iron Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3461 9235 3475 9208 3461 9196 3449 9214
      3449 9225 3458 9224 3458 9235

FLASH FLOOD...RADAR INDICATED

$$

Goudsward
1 follow-up statement
866 
WGUS74 KLZK 020323
FFSLZK

Flash Flood Statement
National Weather Service Little Rock AR
1023 PM CDT Tue Jun 1 2021

ARC085-119-020333-
/O.CAN.KLZK.FF.W.0050.000000T0000Z-210602T0455Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lonoke AR-Pulaski AR-
1023 PM CDT Tue Jun 1 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHWESTERN LONOKE AND 
SOUTHEASTERN PULASKI COUNTIES...

Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures. This warning has been replaced with 
another warning.

LAT...LON 3461 9235 3475 9208 3461 9196 3449 9214
      3449 9225 3458 9224 3458 9235

$$

Goudsward

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 8:39 PM CDTFlash Flood WarningLZKGrant, Hot Spring, Saline2 hr
Jun 1, 10:22 PM CDTFlash Flood WarningLZKGrant, Lonoke, Pulaski, Saline111 min
Jun 2, 10:08 AM CDTRiver Flood WarningLZKJackson, Woodruff12 days
Jun 2, 2:05 PM CDTRiver Flood WarningLZKPerry30 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.