Alert archive / Arkansas / Flash Flood Warnings in 2021

Flash Flood Warning 48, NWS Little Rock, AR

June 1, 2021Clark County, Hot Spring County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Jun 1, 2021, 6:28 PM CDT for Clark County, Hot Spring County, Arkansas. It was in force for 117 min. 1 report 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: Jun 1, 2021, 6:28 PM CDT (23:28 UTC)
Expired: Jun 1, 2021, 8:25 PM CDT
In force: 117 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Clark County, AR, Hot Spring County, AR

The radar

The Little Rock radar (KLZK), 91 km from the middle of the area, began a volume at 23:28 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

Time	Report	Where	Remark
Jun 1, 7:07 PM CDT	FLASH FLOOD	Donaldson, AR	WATER COVERING HIGHWAY 67 AND FRONT STREET IN DONALDSON

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 12:00Z, 11.5 hours before the alert went out and 210 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 628 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 540 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 113 m²/s²
0-3 km storm-relative helicity: 117 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.0

Open this sounding in Storm Lab

The text

As transmitted.

319 
WGUS54 KLZK 012328
FFWLZK
ARC019-059-020130-
/O.NEW.KLZK.FF.W.0048.210601T2328Z-210602T0125Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Little Rock has issued a

* Flash Flood Warning for...
  Northeastern Clark County in southwestern Arkansas...
  Southeastern Hot Spring County in southwestern Arkansas...

* Until 825 PM CDT.

* At 627 PM CDT, Doppler radar indicated areas of rain and 
  thunderstorms producing heavy rain across the warned area. Between 
  2 and 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...
  Arkadelphia, Caddo Valley, Donaldson, Friendship, Midway in Hot 
  Spring County, Social Hill, Joan and Lower Lake Recreation Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3429 9298 3436 9290 3431 9275 3408 9295
      3417 9313

FLASH FLOOD...RADAR INDICATED

$$

Goudsward

1 follow-up statement

196 
WGUS74 KLZK 020021
FFSLZK

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

ARC019-059-020130-
/O.CON.KLZK.FF.W.0048.000000T0000Z-210602T0125Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Clark AR-Hot Spring AR-
721 PM CDT Tue Jun 1 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 825 PM CDT THIS 
EVENING FOR NORTHEASTERN CLARK AND SOUTHEASTERN HOT SPRING 
COUNTIES...

At 718 PM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 2 and 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...
  Arkadelphia, Caddo Valley, Donaldson, Friendship, Midway in Hot 
  Spring County, Social Hill, Joan and Lower Lake Recreation Area.

Water is reported over Highway 67 in Donaldson

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3429 9298 3436 9290 3431 9275 3408 9295
      3417 9313

FLASH FLOOD...RADAR INDICATED

$$

Goudsward

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 1, 9:34 AM CDT	River Flood Warning	LZK	Independence, Jackson, Lawrence	7 days

Nearby

Flash Flood Warnings in Arkansas, 2021 Every 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.