Alert archive / Arkansas / Flash Flood Warnings in 2014

Flash Flood Warning 21, NWS Little Rock, AR

June 12, 2014Jackson County, White County, Woodruff County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Jun 12, 2014, 6:04 PM CDT for Jackson County, White County, Woodruff 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 12, 2014, 6:04 PM CDT (23:04 UTC)
Expired
Jun 12, 2014, 9:00 PM CDT
In force
3 hr
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Flood severity
None

Counties Jackson County, AR, White County, AR, Woodruff County, AR

The radar

The Little Rock radar (KLZK), 113 km from the middle of the area, began a volume at 23:06 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 (KBYH), launched 12:00Z, 11.1 hours before the alert went out and 136 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 12:00Z on 2014-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 461 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 12:00Z on 2014-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
461 J/kg
Mixed-layer CIN
-225 J/kg
Mixed-layer LCL
1279 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

234 
WGUS54 KLZK 122304
FFWLZK
ARC067-145-147-130200-
/O.NEW.KLZK.FF.W.0021.140612T2304Z-140613T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
604 PM CDT THU JUN 12 2014

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN WHITE COUNTY IN CENTRAL ARKANSAS...
  NORTHERN WOODRUFF COUNTY IN EASTERN ARKANSAS...
  SOUTHERN JACKSON COUNTY IN EASTERN ARKANSAS...

* UNTIL 900 PM CDT

* AT 604 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A NARROW BAND OF THUNDERSTORMS WITH VERY HEAVY RAINFALL FROM 
  DENMARK TO BRADFORD AND BEEDEVILLE. THE STORMS WERE MOVING SLOWLY  
  TO THE EAST AT 20 MPH. ONE TO TWO INCHES OF RAIN HAS ALREADY       
  OCCURRED IN MUCH OF THE WARNING AREA. GIVEN ADDITIONAL HEAVY       
  RAIN...FLASH FLOODING IS LIKELY TO OCCUR. WHILE PRECIPITATION WILL 
  TAPER OFF DURING THE WARNING PERIOD...IT WILL TAKE SOME TIME FOR   
  ANY HIGH WATER TO RUNOFF.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  TUPELO...             MCFADDEN...           ALGOA...
  WELDON...             SHOFFNER...           POSSUM GRAPE...
  OLYPHANT...           INGLESIDE...          HEFFINGTON...
  BRADFORD...           BLACKVILLE...         BEEDEVILLE...
  BALCH...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. TURN
AROUND... DONT DROWN!

&&

LAT...LON 3535 9105 3539 9157 3552 9158 3554 9104

$$

46

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 11:51 AM CDTSpecial Weather StatementLZKFulton44 min
Jun 12, 12:27 PM CDTSpecial Weather StatementLZKFulton, Sharp28 min
Jun 12, 2:33 PM CDTSpecial Weather StatementLZKJackson32 min
Jun 12, 2:54 PM CDTSpecial Weather StatementLZKJackson, Woodruff31 min
Jun 12, 3:07 PM CDTSevere Thunderstorm WarningLZKJackson, White, Woodruff38 min
Jun 12, 3:56 PM CDTSpecial Weather StatementLZKCleveland44 min
Jun 12, 4:06 PM CDTSevere Thunderstorm WarningLZKCleveland, Dallas54 min
Jun 12, 4:43 PM CDTSevere Thunderstorm WarningLZKCleveland, Jefferson47 min
Jun 12, 5:09 PM CDTSpecial Weather StatementLZKJackson46 min
Jun 12, 5:11 PM CDTSevere Thunderstorm WarningLZKIndependence34 min
Jun 12, 5:18 PM CDTSpecial Weather StatementLZKLincoln42 min
Jun 12, 5:34 PM CDTSevere Thunderstorm WarningLZKCleveland, Drew, Lincoln41 min
Jun 12, 5:48 PM CDTSevere Thunderstorm WarningLZKBradley, Cleveland, Drew42 min
Jun 12, 6:16 PM CDTSpecial Weather StatementLZKMonroe29 min
Jun 12, 6:25 PM CDTSevere Thunderstorm WarningLZKMonroe35 min
Jun 12, 6:27 PM CDTSevere Thunderstorm WarningLZKDrew33 min
Jun 12, 6:35 PM CDTSpecial Weather StatementLZKWoodruff30 min

Nearby

Flash Flood Warnings in Arkansas, 2014Every flash flood warning in 2014

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.