Alert archive / Arkansas / Flash Flood Warnings in 2021

Flash Flood Warning 53, NWS Little Rock, AR

June 6, 2021Montgomery County, Pike County, Polk County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Jun 6, 2021, 6:05 AM CDT for Montgomery County, Pike County, Polk County, Arkansas. It was in force for 3 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 6, 2021, 6:05 AM CDT (11:05 UTC)
Expired
Jun 6, 2021, 8:50 AM CDT
In force
3 hr
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Flood severity
None

Counties Montgomery County, AR, Pike County, AR, Polk County, AR

The radar

The Western Arkansas radar (KSRX), 97 km from the middle of the area, began a volume at 11:08 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, 11.1 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, Shreveport, LA at 00:00Z on 2021-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 706 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, Shreveport, LA at 00:00Z on 2021-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
706 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
834 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted.

992 
WGUS54 KLZK 061105
FFWLZK
ARC097-109-113-061400-
/O.NEW.KLZK.FF.W.0053.210606T1105Z-210606T1350Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Little Rock AR
605 AM CDT Sun Jun 6 2021

The National Weather Service in Little Rock has issued a

* Flash Flood Warning for...
  Northwestern Pike County in southwestern Arkansas...
  Western Montgomery County in western Arkansas...
  East Central Polk County in western Arkansas...

* Until 850 AM CDT.

* At 604 AM CDT, Doppler radar indicated heavy rain across the 
  warned area. Between 2 and 3 inches of rain have fallen, with the 
  heaviest accumulations over northwestern Pike county. Flash 
  flooding is likely 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...
  Oden, Little Missouri Falls Recreation Area, Albert Pike 
  Recreation Area, Opal, Bard Springs Recreation Area, Big Fork, 
  Pine Ridge, Roaring Branch Natural Area, Fancyhill, Langley, Shady 
  Lake Recreation Area and New Hope in Pike County.

This includes the following streams and drainages...
Straight Creek, Caddo River, Kates Creek, Forrester Branch, West 
Fiddlers Creek, Hurricane Creek, Self Creek, Sulphur Creek, Cossatot 
River, Stony Creek, Fallen Creek, East Saline Creek, White Oak 
Creek, Lick Creek, Ouachita River, Shirley Creek, Clear Creek, Bandy 
Creek, Pilot Branch, Reeves Branch, South Fork Caddo River, Viles 
Branch, Brier Creek, North Fork South Fork Ouachita River, Big Hill 
Creek, South Fork Ouachita River, Cow Creek, Caney Creek, Clover 
Branch, Blocker Creek, Polk Creek, Shack Creek, Turner Creek, Little 
Missouri River, Mill Creek, Hoover Creek, Little Blocker Creek, 
Board Camp Creek, Little Brushy Creek, Big Brushy Creek, Sweetwater 
Creek, Robinson Creek, Long Creek, Crooked Creek, Rock Creek, Alder 
Creek, Saline River, Hewing Branch, Irons Fork, Butcherknife Creek 
and Mine Creek.

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.

In hilly terrain there are hundreds of low water crossings which are 
potentially dangerous in heavy rain. Do not attempt to cross flooded 
roads. Find an alternate route.

A Flash Flood Warning means that flooding is imminent or occurring. 
If you are in the warned area move to higher ground immediately. 
Residents living along streams and creeks should take immediate 
precautions to protect life and property.

&&

LAT...LON 3468 9399 3468 9393 3467 9393 3467 9388
      3470 9387 3472 9378 3472 9376 3435 9375
      3418 9382 3419 9393 3426 9392 3426 9394
      3435 9394 3435 9404 3449 9404 3449 9402
      3457 9398

FLASH FLOOD...RADAR INDICATED

$$

232

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 4:12 AM CDTFlash Flood WarningLZKPolk, Scott4 hr
Jun 6, 6:51 AM CDTFlash Flood WarningLZKJohnson, Logan, Yell3 hr
Jun 6, 2:59 PM CDTSpecial Weather StatementLZKPolk46 min
Jun 6, 5:59 PM CDTSpecial Weather StatementLZKPulaski46 min
Jun 6, 6:14 PM CDTFlash Flood WarningLZKPulaski, Saline113 min
Jun 6, 6:24 PM CDTFlash Flood WarningLZKJefferson, Lonoke98 min

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.