Alert archive / Arkansas / Flash Flood Warnings in 2008

Flash Flood Warning 21, NWS Little Rock, AR

March 18, 200816 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at Mar 18, 2008, 7:37 PM CDT for 16 counties in Arkansas. It was in force for 6 hr. 3 reports 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
Mar 18, 2008, 7:37 PM CDT (00:37 UTC)
Expired
Mar 19, 2008, 1:30 AM CDT
In force
6 hr
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Flood severity
None

Counties Cleburne County, AR, Conway County, AR, Faulkner County, AR, Garland County, AR, Independence County, AR, Jackson County, AR, Johnson County, AR, Logan County, AR, Montgomery County, AR, Perry County, AR, Pike County, AR, Polk County, AR, Pope County, AR, Scott County, AR, Van Buren County, AR, Yell County, AR

The radar

The Little Rock radar (KLZK), 53 km from the middle of the area, began a volume at 00:39 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

TimeReportWhereRemark
Mar 18, 7:55 PM CDTFLASH FLOOD1 N Mount Ida, ARHIGHWAY 27 NORTH FLOODED IN FRONT OF PARLIAMENT FEED MILE IN MOUNT IDA.
Mar 18, 8:20 PM CDTFLASH FLOOD9 W Heber Springs, ARPARADISE POINT ROAD ON THE SOUTH SHORE OF GREERS FERRY LAKE WAS REPORTED AS STARTING TO FLOOD.
Mar 18, 8:25 PM CDTFLASH FLOODBelleville, ARHIGHWAY 307 NORTH OF BELLEVILLE WAS REPORTED AS CLOSED DUE TO FLOODING.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.6 hours before the alert went out and 235 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 2008-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2008-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
525 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
10 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.

000 
WGUS54 KLZK 190037
FFWLZK
ARC023-029-045-051-063-067-071-083-097-105-109-113-115-127-141-149-
190630-
/O.NEW.KLZK.FF.W.0021.080319T0037Z-080319T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
737 PM CDT TUE MAR 18 2008

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CONWAY COUNTY IN CENTRAL ARKANSAS
  FAULKNER COUNTY IN CENTRAL ARKANSAS
  GARLAND COUNTY IN CENTRAL ARKANSAS
  PERRY COUNTY IN CENTRAL ARKANSAS
  POPE COUNTY IN CENTRAL ARKANSAS
  YELL COUNTY IN CENTRAL ARKANSAS
  JACKSON COUNTY IN EASTERN ARKANSAS
  CLEBURNE COUNTY IN NORTH CENTRAL ARKANSAS
  INDEPENDENCE COUNTY IN NORTH CENTRAL ARKANSAS
  VAN BUREN COUNTY IN NORTH CENTRAL ARKANSAS
  PIKE COUNTY IN SOUTHWEST ARKANSAS
  JOHNSON COUNTY IN WESTERN ARKANSAS
  LOGAN COUNTY IN WESTERN ARKANSAS
  MONTGOMERY COUNTY IN WESTERN ARKANSAS
  POLK COUNTY IN WESTERN ARKANSAS
  SCOTT COUNTY IN WESTERN ARKANSAS

* UNTIL 130 AM CDT

* AT 725 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  MODERATE TO HEAVY RAINFALL OVER MUCH OF THE WARNED AREA. AS MUCH   
  AS TWO TO FOUR INCHES OF RAIN HAS FALLEN IN MUCH OF WESTERN        
  ARKANSAS AND THE ARKANSAS RIVER VALLEY...WITH SOME LOCATIONS 
  REPORTING WELL OVER SIX INCHES OF RAIN SINCE LAST NIGHT. SHOWERS 
  AND THUNDERSTORMS ARE EXPECTED TO CONTINUE THROUGH THE EVENING...
  WITH ADDITIONAL HEAVY RAINFALL EXPECTED AS THE RAIN SPREADS        
  EAST. THE HEAVY RAIN WILL AGGRAVATE AN ALREADY DANGEROUS 
  SITUATION...WITH FLASH FLOODING LIKELY. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO...
  MORRILTON...CONWAY...HOT SPRINGS...PERRYVILLE...RUSSELLVILLE...
  DANVILLE...NEWPORT...GREERS FERRY...BATESVILLE...AND CLINTON.

&&

ADDITIONAL RAINFALL AMOUNTS OF TWO TO FOUR INCHES...WITH LOCALLY 
HEAVIER AMOUNTS ARE POSSIBLE IN THE WARNED AREA. 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN LITTLE
ROCK.

LAT...LON 3402 9381 3436 9394 3420 9446 3492 9445
      3539 9370 3576 9368 3570 9184 3594 9176
      3588 9104 3536 9104 3554 9178 3536 9186
      3536 9211 3503 9211 3493 9224 3484 9308
      3452 9279 3439 9295 3434 9347 3396 9339
TIME...MOT...LOC 0031Z 180DEG 0KT 3449 9403

$$

57

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 7:23 PM CDTSevere Thunderstorm WarningLZKGarland, Saline37 min
Mar 18, 7:50 PM CDTSevere Thunderstorm WarningLZKPulaski, Saline40 min
Mar 18, 8:33 PM CDTRiver Flood WarningLZKClay5 days
Mar 18, 8:45 PM CDTFlash Flood WarningLZKClark, Hot Spring, Lonoke, Pulaski, Saline, White6 hr
Mar 18, 9:06 PM CDTRiver Flood WarningLZKWhite10 days
Mar 18, 9:17 PM CDTSevere Thunderstorm WarningLZKGrant, Jefferson, Pulaski, Saline28 min
Mar 18, 9:46 PM CDTFlash Flood WarningLZKDallas, Grant, Jefferson, Prairie, Woodruff6 hr
Mar 18, 9:55 PM CDTRiver Flood WarningLZKPope, Yell61 hr
Mar 18, 9:58 PM CDTSevere Thunderstorm WarningLZKLonoke, Prairie, White47 min
Mar 18, 10:12 PM CDTSevere Thunderstorm WarningLZKArkansas, Jefferson, Monroe, Prairie48 min
Mar 18, 10:26 PM CDTFlash Flood WarningLZKBaxter, Boone, Fulton, Izard, Marion, Newton and 4 more6 hr
Mar 18, 10:29 PM CDTSevere Thunderstorm WarningLZKMonroe, Prairie, Woodruff46 min
Mar 18, 10:59 PM CDTFlash Flood WarningLZKArkansas, Cleveland, Jefferson, Lincoln, Monroe6 hr
Mar 19, 2:33 AM CDTRiver Flood WarningLZKSaline33 hr
Mar 19, 2:35 AM CDTSevere Thunderstorm WarningLZKBradley, Calhoun, Cleveland, Drew32 min
Mar 19, 4:26 AM CDTFlash Flood WarningLZKBaxter, Boone, Fulton, Izard, Marion, Newton and 4 more6 hr
Mar 19, 7:11 AM CDTRiver Flood WarningLZKClark, Hot Spring38 hr
Mar 19, 8:14 AM CDTLake Wind AdvisoryLZKArkansas, Baxter, Bradley, Calhoun, Clark, Cleburne and 28 more10 hr
Mar 19, 9:11 AM CDTRiver Flood WarningLZKCalhoun, Ouachita11 days
Mar 19, 9:11 AM CDTRiver Flood WarningLZKClark, Nevada, Ouachita38 hr
Mar 19, 9:18 AM CDTFlash Flood WarningLZKConway, Perry2 hr
Mar 19, 9:36 AM CDTRiver Flood WarningLZKArkansas, Desha, Lincoln4 days
Mar 19, 9:39 AM CDTRiver Flood AdvisoryLZKPulaski45 hr

Nearby

Flash Flood Warnings in Arkansas, 2008Every flash flood warning in 2008

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.