Alert archive / Arkansas / Flash Flood Warnings in 2021

Flash Flood Warning 49, NWS Little Rock, AR

June 1, 2021Grant County, Hot Spring County, Saline County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Jun 1, 2021, 8:39 PM CDT for Grant County, Hot Spring County, Saline County, Arkansas. 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
Jun 1, 2021, 8:39 PM CDT (01:39 UTC)
Expired
Jun 1, 2021, 10:40 PM CDT
In force
2 hr
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Flood severity
None

Counties Grant County, AR, Hot Spring County, AR, Saline County, AR

The radar

The Little Rock radar (KLZK), 59 km from the middle of the area, began a volume at 01:42 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

Shreveport, LA (KSHV), launched 00:00Z, 1.7 hours before the alert went out and 238 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 2021-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 655 joules per kilogram.LCLEL10008507005003002001001 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 2021-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.1939587897Sfc1 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
655 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
697 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

As transmitted.

942 
WGUS54 KLZK 020139
FFWLZK
ARC053-059-125-020345-
/O.NEW.KLZK.FF.W.0049.210602T0139Z-210602T0340Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Little Rock has issued a

* Flash Flood Warning for...
  Northern Grant County in central Arkansas...
  Southeastern Saline County in central Arkansas...
  East Central Hot Spring County in southwestern Arkansas...

* Until 1040 PM CDT.

* At 838 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Up to 2.5 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...
  Tull, Prattsville, Poyen, Cane Creek, Jenkins Ferry State Park, 
  Thiel, East End, Orion, Belfast, Buie, Shaw, Fenter, Ico, Sardis 
  and Brush Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3421 9268 3436 9275 3459 9240 3446 9222
      3444 9221 3420 9267

FLASH FLOOD...RADAR INDICATED

$$

Goudsward

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 9:58 PM CDTFlash Flood WarningLZKLonoke, Pulaski25 min
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.