Alert archive / Arkansas / Flash Flood Warnings in 2009

Flash Flood Warning 21, NWS Little Rock, AR

May 6, 20097 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at May 6, 2009, 1:12 AM CDT for 7 counties in Arkansas. It was in force for 3 hr. 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
May 6, 2009, 1:12 AM CDT (06:12 UTC)
Expired
May 6, 2009, 4:15 AM CDT
In force
3 hr
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Flood severity
None

Counties Clark County, AR, Garland County, AR, Grant County, AR, Hot Spring County, AR, Montgomery County, AR, Pulaski County, AR, Saline County, AR

The radar

The Little Rock radar (KLZK), 85 km from the middle of the area, began a volume at 06:13 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
May 6, 1:21 AM CDTFLASH FLOODHot Springs, ARPARK AVENUE AND BATH HOUSE ROW IN THE CITY OF HOT SPRINGS SEEING HIGH IN WATER.

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 00:00Z, 6.2 hours before the alert went out and 232 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 2009-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2555 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 2009-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 square meters per square second.19395878Sfc1 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
2555 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
724 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
386 m²/s²
Significant tornado parameter
5.7
Supercell composite
23.2

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KLZK 060612
FFWLZK
ARC019-051-053-059-097-119-125-060915-
/O.NEW.KLZK.FF.W.0021.090506T0612Z-090506T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
112 AM CDT WED MAY 6 2009

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GARLAND COUNTY IN CENTRAL ARKANSAS
  WESTERN GRANT COUNTY IN CENTRAL ARKANSAS
  SOUTH CENTRAL PULASKI COUNTY IN CENTRAL ARKANSAS
  SOUTHERN SALINE COUNTY IN CENTRAL ARKANSAS
  EXTREME NORTHWESTERN CLARK COUNTY IN SOUTHWEST ARKANSAS
  HOT SPRING COUNTY IN SOUTHWEST ARKANSAS
  EASTERN MONTGOMERY COUNTY IN WESTERN ARKANSAS

* UNTIL 415 AM CDT

* AT 108 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED AS MUCH AS 2 INCHES OF RAIN HAS FALLEN IN THE PAST HOUR 
  OVER PARTS OF THE WARNED AREA. WITH ADDITIONAL HEAVY RAIN POSSIBLE
  TONIGHT AND A SATURATED GROUND FROM EARLIER HEAVY RAIN...FLASH
  FLOODING IS LIKELY.

* AREAS IMPACTED INCLUDE BUT ARE NOT LIMITED TO MALVERN...HOT
  SPRINGS AND LONSDALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 3467 9370 3466 9235 3416 9234 3433 9340

$$

56

The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 9:22 PM CDTSevere Thunderstorm WarningLZKScott38 min
May 5, 9:55 PM CDTSevere Thunderstorm WarningLZKLogan, Perry, Pope, Scott, Yell50 min
May 5, 9:56 PM CDTSevere Thunderstorm WarningLZKScott, Yell49 min
May 5, 10:11 PM CDTSevere Thunderstorm WarningLZKConway, Perry, Pope, Yell49 min
May 5, 10:13 PM CDTSevere Thunderstorm WarningLZKClark, Grant, Hot Spring47 min
May 5, 10:36 PM CDTSevere Thunderstorm WarningLZKClark, Dallas, Ouachita39 min
May 5, 10:45 PM CDTSevere Thunderstorm WarningLZKConway, Perry, Pope, Yell45 min
May 5, 10:48 PM CDTSevere Thunderstorm WarningLZKGrant, Hot Spring, Saline42 min
May 5, 10:54 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Perry51 min
May 5, 11:05 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Perry, Pulaski40 min
May 5, 11:18 PM CDTSevere Thunderstorm WarningLZKCalhoun, Clark, Cleveland, Dallas, Ouachita57 min
May 5, 11:26 PM CDTSevere Thunderstorm WarningLZKGarland, Perry, Pulaski, Saline, Yell49 min
May 5, 11:27 PM CDTSevere Thunderstorm WarningLZKGrant, Jefferson63 min
May 5, 11:30 PM CDTSevere Thunderstorm WarningLZKGarland, Montgomery, Perry, Saline60 min
May 5, 11:32 PM CDTSevere Thunderstorm WarningLZKLonoke, Pulaski43 min
May 5, 11:48 PM CDTTornado WarningLZKCalhoun, Cleveland, Dallas, Ouachita42 min
May 6, 12:10 AM CDTSevere Thunderstorm WarningLZKLonoke, Prairie50 min
May 6, 12:15 AM CDTSevere Thunderstorm WarningLZKGarland, Hot Spring, Montgomery, Pulaski, Saline45 min
May 6, 12:17 AM CDTSevere Thunderstorm WarningLZKCleveland, Drew, Lincoln58 min
May 6, 12:18 AM CDTFlash Flood WarningLZKConway, Faulkner, Garland, Logan, Montgomery, Perry and 4 more4 hr
May 6, 12:22 AM CDTSevere Thunderstorm WarningLZKArkansas, Jefferson53 min
May 6, 12:26 AM CDTSevere Thunderstorm WarningLZKMontgomery, Pike, Polk49 min
May 6, 12:30 AM CDTTornado WarningLZKCleveland, Lincoln45 min
May 6, 12:39 AM CDTSevere Thunderstorm WarningLZKFaulkner, Pulaski, Saline51 min
May 6, 12:50 AM CDTTornado WarningLZKArkansas, Monroe55 min
May 6, 1:10 AM CDTSevere Thunderstorm WarningLZKArkansas, Desha, Lincoln27 min
May 6, 1:14 AM CDTSevere Thunderstorm WarningLZKMonroe, Prairie, Woodruff31 min
May 6, 1:15 AM CDTSevere Thunderstorm WarningLZKGarland, Grant, Hot Spring, Saline60 min
May 6, 1:15 AM CDTSevere Thunderstorm WarningLZKMontgomery, Pike, Polk45 min
May 6, 1:17 AM CDTSevere Thunderstorm WarningLZKArkansas, Monroe43 min
May 6, 1:29 AM CDTSevere Thunderstorm WarningLZKArkansas, Jefferson, Lonoke, Prairie, Pulaski46 min
May 6, 1:43 AM CDTFlash Flood WarningLZKClark, Logan, Montgomery, Pike, Polk, Scott and 1 more3 hr
May 6, 1:43 AM CDTTornado WarningLZKMonroe17 min
May 6, 1:44 AM CDTSevere Thunderstorm WarningLZKGrant, Jefferson, Lonoke, Pulaski46 min
May 6, 1:51 AM CDTFlash Flood WarningLZKConway, Johnson, Logan, Pope, Yell3 hr
May 6, 2:02 AM CDTSevere Thunderstorm WarningLZKClark, Dallas, Hot Spring43 min
May 6, 2:13 AM CDTSevere Thunderstorm WarningLZKArkansas, Desha, Jefferson, Lonoke47 min
May 6, 2:15 AM CDTFlash Flood WarningLZKArkansas, Faulkner, Grant, Jefferson, Lonoke, Monroe and 5 more4 hr
May 6, 2:18 AM CDTSevere Thunderstorm WarningLZKArkansas, Jefferson, Lonoke, Monroe, Prairie42 min
May 6, 2:59 AM CDTFlash Flood WarningLZKHot Spring10 hr
May 6, 3:09 AM CDTSevere Thunderstorm WarningLZKClark, Pike66 min
May 6, 3:35 AM CDTSevere Thunderstorm WarningLZKCleveland, Dallas, Grant, Jefferson55 min
May 6, 3:39 AM CDTSevere Thunderstorm WarningLZKClark, Dallas, Hot Spring51 min
May 6, 3:50 AM CDTFlash Flood WarningLZKArkansas, Clark, Cleveland, Dallas, Desha, Grant and 4 more4 hr
May 6, 4:07 AM CDTSevere Thunderstorm WarningLZKArkansas, Bradley, Calhoun, Cleveland, Dallas, Desha and 3 more53 min
May 6, 4:19 AM CDTSevere Thunderstorm WarningLZKBradley, Calhoun, Cleveland, Dallas, Drew, Ouachita56 min
May 6, 4:44 AM CDTRiver Flood WarningLZKClark, Hot Spring52 hr
May 6, 4:45 AM CDTRiver Flood WarningLZKSaline32 hr
May 6, 4:46 AM CDTTornado WarningLZKCleveland, Drew, Lincoln44 min
May 6, 5:00 AM CDTSevere Thunderstorm WarningLZKDesha, Drew, Lincoln48 min
May 6, 5:20 AM CDTSevere Thunderstorm WarningLZKBradley, Calhoun, Drew25 min
May 6, 5:48 AM CDTSevere Thunderstorm WarningLZKGarland, Hot Spring, Saline42 min
May 6, 6:55 AM CDTFlash Flood WarningLZKClark, Garland, Grant, Hot Spring, Jefferson, Montgomery and 3 more5 hr
May 6, 7:00 AM CDTFlash Flood WarningLZKBradley, Calhoun, Clark, Cleveland, Dallas, Desha and 3 more5 hr
May 6, 7:09 AM CDTDense Fog AdvisoryLZKBaxter, Fulton, Izard, Marion, Sharp, Stone118 min
May 6, 7:46 AM CDTFlash Flood WarningLZKArkansas, Clark, Cleveland, Dallas, Desha, Grant and 4 more4 hr
May 6, 7:52 AM CDTSevere Thunderstorm WarningLZKCalhoun, Clark, Dallas, Ouachita38 min
May 6, 9:22 AM CDTRiver Flood WarningLZKFranklin, Johnson, Logan47 hr
May 6, 9:22 AM CDTRiver Flood WarningLZKFaulkner, Perry47 hr
May 6, 9:22 AM CDTRiver Flood WarningLZKJefferson, Lincoln23 hr
May 6, 10:08 AM CDTRiver Flood WarningLZKClark, Nevada, Ouachita51 hr
May 6, 10:08 AM CDTRiver Flood WarningLZKAshley, Bradley, Cleveland, Drew9 days
May 6, 10:56 AM CDTRiver Flood WarningLZKArkansas, Desha, Lincoln22 hr
May 6, 12:01 PM CDTAreal Flood WarningLZKArkansas, Bradley, Calhoun, Clark, Cleveland, Dallas and 11 more3 hr
May 6, 1:43 PM CDTAreal Flood WarningLZKHot Spring6 hr

Nearby

Flash Flood Warnings in Arkansas, 2009Every flash flood warning in 2009

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.