Alert archive / Arkansas / Flash Flood Warnings in 2021

Flash Flood Warning 113, NWS Little Rock, AR

August 13, 2021Baxter County, Marion County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Aug 13, 2021, 8:31 PM CDT for Baxter County, Marion 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
Aug 13, 2021, 8:31 PM CDT (01:31 UTC)
Expired
Aug 13, 2021, 11:01 PM CDT
In force
3 hr
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Flood severity
None

Counties Baxter County, AR, Marion County, AR

The radar

The Springfield radar (KSGF), 127 km from the middle of the area, began a volume at 01:34 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

Springfield, MO (KSGF), launched 00:00Z, 1.5 hours before the alert went out and 127 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, Springfield, MO at 00:00Z on 2021-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 174 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, Springfield, MO at 00:00Z on 2021-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.1939Sfc1 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
174 J/kg
Mixed-layer CIN
-137 J/kg
Mixed-layer LCL
1380 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

888 
WGUS54 KLZK 140131
FFWLZK
ARC005-089-140430-
/O.NEW.KLZK.FF.W.0113.210814T0131Z-210814T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Little Rock AR
831 PM CDT Fri Aug 13 2021

The National Weather Service in Little Rock has issued a

* Flash Flood Warning for...
  Northwestern Baxter County in north central Arkansas...
  Central Marion County in north central Arkansas...

* Until 1130 PM CDT.

* At 831 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 3 inches of rain 
  have fallen. The expected rainfall rate is 3 inches in 1 hour. 
  Additional rainfall amounts of 2 to 3 inches are possible in the 
  warned area. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Mountain Home, Bull Shoals, Yellville, Gassville, Flippin, 
  Lakeview in Baxter County, Arkawana, Bull Shoals State Park, Ozark 
  Regional Airport, Ozark Isle, Colfax, Lion Hill, Price Place, Fawn 
  Park, Lakeway, Cartney, Shipp, Advance, Cotter and Summit.

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 3615 9272 3638 9281 3650 9282 3650 9232
      3631 9234 3614 9234

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...3 INCHES IN 1 HOUR

$$

232
2 follow-up statements
913 
WGUS74 KLZK 140235
FFSLZK

Flash Flood Statement
National Weather Service Little Rock AR
935 PM CDT Fri Aug 13 2021

ARC005-089-140430-
/O.CON.KLZK.FF.W.0113.000000T0000Z-210814T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Baxter AR-Marion AR-
935 PM CDT Fri Aug 13 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT THIS 
EVENING FOR NORTHWESTERN BAXTER AND CENTRAL MARION COUNTIES...

At 935 PM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. 3 inches of rain have already fallen, 
and additional rainfall amounts up to 1 inch are possible in the 
warned area. Street flooding has been reported in Mountain Home, and 
flash flooding is likely ongoing across the warned area.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Public reported.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Mountain Home, Bull Shoals, Yellville, Gassville, Flippin, 
  Lakeview in Baxter County, Arkawana, Bull Shoals State Park, Ozark 
  Regional Airport, Ozark Isle, Colfax, Lion Hill, Price Place, Fawn 
  Park, Lakeway, Cartney, Shipp, Advance, Cotter and Summit.

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 3615 9272 3638 9281 3650 9282 3650 9232
      3631 9234 3614 9234

FLASH FLOOD...OBSERVED

$$

232
800 
WGUS74 KLZK 140401
FFSLZK

Flash Flood Statement
National Weather Service Little Rock AR
1101 PM CDT Fri Aug 13 2021

ARC005-089-140411-
/O.CAN.KLZK.FF.W.0113.000000T0000Z-210814T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Baxter AR-Marion AR-
1101 PM CDT Fri Aug 13 2021

...FLASH FLOOD WARNING IS CANCELLED FOR NORTHWESTERN BAXTER AND 
CENTRAL MARION COUNTIES...

Heavy rainfall has ended over the warned area, and flash flooding is 
no longer expected to pose a threat, however widespread areal 
flooding and standing water may still be ongoing. Please continue to 
heed remaining road closures.

LAT...LON 3615 9272 3638 9281 3650 9282 3650 9232
      3631 9234 3614 9234

$$

232

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 7:05 PM CDTSevere Thunderstorm WarningLZKBaxter, Marion, Searcy, Stone40 min
Aug 13, 7:14 PM CDTSpecial Weather StatementLZKLincoln31 min
Aug 13, 7:25 PM CDTSpecial Weather StatementLZKPope35 min
Aug 13, 7:46 PM CDTSpecial Weather StatementLZKSearcy, Van Buren29 min
Aug 13, 7:56 PM CDTSpecial Weather StatementLZKBaxter, Marion34 min
Aug 13, 8:18 PM CDTSpecial Weather StatementLZKLogan27 min
Aug 13, 8:34 PM CDTSpecial Weather StatementLZKScott41 min
Aug 13, 9:18 PM CDTSpecial Weather StatementLZKFulton, Sharp42 min
Aug 14, 5:26 AM CDTSpecial Weather StatementLZKDesha49 min
Aug 14, 1:42 PM CDTFlash Flood WarningLZKArkansas, Bradley, Calhoun, Cleveland, Grant, Jefferson and 2 more3 hr
Aug 14, 2:30 PM CDTSpecial Weather StatementLZKBradley30 min
Aug 14, 3:02 PM CDTSpecial Weather StatementLZKDrew28 min
Aug 14, 3:12 PM CDTFlash Flood WarningLZKBradley, Drew3 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.