Alert archive / Arkansas / Flash Flood Warnings in 2006

Flash Flood Warning 9, NWS Little Rock, AR

April 29, 2006White County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Apr 29, 2006, 11:12 PM CDT for White County, Arkansas. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 29, 2006, 11:12 PM CDT (04:12 UTC)
Expired
Apr 30, 2006, 1:15 AM CDT
In force
2 hr
Issued by
NWS Little Rock, AR
Area
Counties, with a storm outline in the text

County White County, AR

The radar

The Little Rock radar (KLZK), 66 km from the middle of the area, began a volume at 04:15 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 (KLZK), launched 00:00Z, 4.2 hours before the alert went out and 170 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 00:00Z on 2006-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 156 joules per kilogram.LCLLFCEL10008507005003002001001 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, Little Rock, AR at 00:00Z on 2006-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.1939587897117Sfc1 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
156 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
518 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
187 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Little Rock, AR wrote its last area forecast discussion before this flash flood warning went out at Apr 29, 6:51 PM CDT, 4 hours 21 minutes earlier.

Area forecast discussion, Apr 29, 6:51 PM CDT, 4 hours 21 minutes before
AREA FORECAST DISCUSSION...UPDATED FOR AVIATION DISCUSSION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
651 PM CDT SAT APR 29 2006

.AVIATION...
MVFR CONDITIONS WILL DOMINATE THIS EVENING WITH A LINE OF SHOWERS
AND THUNDERSTORMS MOVING WEST TO EAST ACROSS THE STATE. THIS LINE
SHOULD BE IN FAR EASTERN ARKANSAS BY MIDNIGHT. RAIN CHANCES WILL
CONTINUE THROUGH 06Z. SOME PATCHY FOG IS EXPECTED FOR THE MORNING
HOURS REDUCING VISIBILITIES TO 3 MILES. CLOUDS WILL BE ON THE
DECREASE SUNDAY EXCEPT IN THE NORTH.
&&

.PREV DISCUSSION.../ISSUED 208 PM CDT SAT APR 29 2006/

DISCUSSION...
A RATHER STRONG UPPER LEVEL LOW PRESSURE SYSTEM WILL CONTINUE IN OUR
VICINITY...AND THE GULF OF MEXICO IS WIDE OPEN...THEREFORE PERIODS
OF HEAVY RAIN AND EMBEDDED THUNDERSTORMS WILL CONTINUE OVER MUCH OF
ARKANSAS TONIGHT AND INTO SUNDAY AND POSSIBLY BEYOND.(38)

&&

.LZK WATCHES/WARNINGS/ADVISORIES...
LAKE WIND ADVISORY UNTIL 10 PM SATURDAY FOR ARZ003-ARZ004-ARZ005-
ARZ006-ARZ007-ARZ012-ARZ013-ARZ014-ARZ015-ARZ016-ARZ021-ARZ022-
ARZ023-ARZ024-ARZ025-ARZ030-ARZ031-ARZ032-ARZ033-ARZ034-ARZ037-
ARZ038-ARZ039-ARZ040-ARZ041-ARZ042-ARZ043-ARZ044-ARZ045-ARZ046-
ARZ047-ARZ052-ARZ053-ARZ054-ARZ055-ARZ056-ARZ057-ARZ062-ARZ063-
ARZ064-ARZ065-ARZ066-ARZ067-ARZ068-ARZ069.

&&

AVIATION...51
Hazardous weather outlook, Apr 29, 8:00 PM CDT, 3 hours 12 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
800 PM CDT SAT APR 29 2006

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-301000-
ARKANSAS-BAXTER-BOONE-BRADLEY-CALHOUN-CLARK-CLEBURNE-CLEVELAND-
CONWAY-DALLAS-DESHA-DREW-FAULKNER-FULTON-GARLAND-GRANT-HOT SPRING-
INDEPENDENCE-IZARD-JACKSON-JEFFERSON-JOHNSON-LINCOLN-LOGAN-LONOKE-
MARION-MONROE-MONTGOMERY-NEWTON-OUACHITA-PERRY-PIKE-POLK-POPE-
PRAIRIE-PULASKI-SALINE-SCOTT-SEARCY-SHARP-STONE-VAN BUREN-WHITE-
WOODRUFF-YELL-
800 PM CDT SAT APR 29 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS.

.DAY ONE...TONIGHT

A LINE OF SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS
ARKANSAS TONIGHT. THIS LINE OF PRECIPITATION WILL REACH FAR EASTERN
ARKANSAS BY MIDNIGHT. CHANCES FOR ANY SEVERE WEATHER ARE LOW. HEAVY
RAINFALL IS EXPECTED WITH THIS LINE HOWEVER. RAINFALL AMOUNTS ARE
LIKELY TO BE IN THE RANGE OF 3/4 INCH TO 2 INCHES.

A LAKE WIND ADVISORY IS IN EFFECT UNTIL 10 PM. SOUTH TO SOUTHEAST
WINDS WILL GUST TO AROUND 30 MPH AT TIMES.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

ISOLATED SEVERE THUNDERSTORMS WILL BE POSSIBLE OVER THE EASTERN HALF
OF ARKANSAS SUNDAY AFTERNOON AND SUNDAY EVENING.

CHANCES FOR SEVERE WEATHER IN ARKANSAS ARE LIKELY TO INCREASE AGAIN
ON MONDAY. SEVERE THUNDERSTORMS WILL BE POSSIBLE MONDAY AFTERNOON
AND EVENING...AND MAY CONTINUE ON INTO THE OVERNIGHT HOURS.

AFTER THAT...THE NEXT CHANCE OF THUNDERSTORMS WILL COME ON THURSDAY.

.SPOTTER ACTIVATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY LATE THIS AFTERNOON AND THIS
EVENING...AND AGAIN ON SUNDAY AND MONDAY.

&&

FOR THE LATEST GRAPHICAL AND TEXT FORECASTS AND OUTLOOKS...PLEASE
VISIT OUR WEB SITE AT WWW.SRH.WEATHER.GOV/LZK

51

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 9:52 PM CDTFlash Flood WarningLZKFaulkner, Lonoke, Pulaski, Saline, White83 min

Nearby

Flash Flood Warnings in Arkansas, 2006Every flash flood warning in 2006

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.