Alert archive / Arkansas / Flash Flood Warnings in 2009

Flash Flood Warning 147, NWS Little Rock, AR

October 9, 200910 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at Oct 9, 2009, 9:07 AM CDT for 10 counties in 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 counties it named.

The facts

Issued: Oct 9, 2009, 9:07 AM CDT (14:07 UTC)
Expired: Oct 9, 2009, 12:00 PM CDT
In force: 3 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Grant County, AR, Jackson County, AR, Jefferson County, AR, Lonoke County, AR, Monroe County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, White County, AR, Woodruff County, AR

The radar

The Little Rock radar (KLZK), 40 km from the middle of the area, began a volume at 14:07 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 12:00Z, 2.1 hours before the alert went out and 171 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 15 J/kg
Mixed-layer CIN: -387 J/kg
Mixed-layer LCL: 468 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: -95 m²/s²
0-3 km storm-relative helicity: 146 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.5

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 Oct 9, 6:40 AM CDT, 2 hours 27 minutes earlier.

Area forecast discussion, Oct 9, 6:40 AM CDT, 2 hours 27 minutes before

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Hazardous weather outlook, Oct 8, 5:30 PM CDT, 15 hours 37 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
530 PM CDT THU OCT 8 2009

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-091000-
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-
530 PM CDT THU OCT 8 2009

.DAY ONE...TONIGHT

A COLD FRONT WAS CURRENTLY DRAPED ACROSS CENTRAL OKLAHOMA INTO
CENTRAL MISSOURI WITH A WARM FRONT LOCATED ACROSS THE NORTHERN PART
OF THE STATE. VERY MOIST AIR WAS LOCATED ACROSS MUCH OF
ARKANSAS...WITH DEWPOINTS IN THE UPPER 60S TO MID 70S ACROSS MUCH
OF ARKANSAS. WITH HIGH LOW LEVEL MOISTURE...COMBINED WITH INCREASING
INSTABILITY...SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL
CONTINUE TO BE POSSIBLE THIS EVENING ACROSS CENTRAL AND NORTHERN
SECTIONS OF ARKANSAS. THUNDERSTORMS THAT DO FORM WILL HAVE THE
POTENTIAL TO BECOME SEVERE WITH LARGE HAIL AND HIGH WINDS BECOMING
THREATS. TORNADOES WILL ALSO BE POSSIBLE WHERE LOW LEVEL SHEAR IS
HIGHEST...AND INSTABILITY IS GREATEST JUST SOUTH OF THE WARM FRONT.

AS THE COLD FRONT APPROACHES NORTHWEST ARKANSAS THIS
TONIGHT...THUNDERSTORMS WILL BECOME MORE WIDESPREAD. ALSO...WITH
ABUNDANT MOISTURE MOVING INTO THE STATE FROM THE GULF OF
MEXICO...HEAVY RAINFALL WILL ALSO BE LIKELY AND A FLASH FLOOD WATCH
IS IN EFFECT FOR PARTS OF NORTH...CENTRAL AND SOUTHWEST ARKANSAS
THIS EVENING THROUGH FRIDAY AFTERNOON.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A FLASH FLOOD WATCH WILL CONTINUE INTO FRIDAY AFTERNOON AS SHOWERS
AND THUNDERSTORMS CONTINUE. TWO TO FOUR INCHES OF RAIN CAN BE
EXPECTED WITH THIS SYSTEM...WITH ISOLATED LOCALIZED SIX INCH
AMOUNTS. DRY WEATHER IS EXPECTED FOR THE WEEKEND INTO NEXT WEEK AS
HIGH PRESSURE BUILDS OVER THE AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND TONIGHT.

&&

VISIT NWS LITTLE ROCK ON THE WEB. GO TO WEATHER.GOV AND CLICK ON
CENTRAL ARKANSAS.

51/62/60

In the hours before

Local storm report, Oct 9, 5:05 AM CDT, 4 hours 2 minutes before

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Local storm report, Oct 9, 5:26 AM CDT, 3 hours 41 minutes before

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Special weather statement, Oct 9, 7:45 AM CDT, 1 hour 22 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 8, 8:24 PM CDT	River Flood Warning	LZK	Izard, Stone	36 hr
Oct 8, 8:24 PM CDT	River Flood Warning	LZK	Independence	36 hr
Oct 8, 8:43 PM CDT	Severe Thunderstorm Warning	LZK	Boone, Marion	47 min
Oct 8, 9:02 PM CDT	River Flood Warning	LZK	Randolph	72 hr
Oct 8, 9:02 PM CDT	River Flood Warning	LZK	Independence, Jackson, Lawrence	8 days
Oct 8, 9:33 PM CDT	River Flood Warning	LZK	White, Woodruff	52 days
Oct 8, 10:09 PM CDT	Flash Flood Warning	LZK	Baxter, Boone, Marion	6 hr
Oct 8, 10:25 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Fulton	50 min
Oct 8, 11:11 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Newton	49 min
Oct 8, 11:24 PM CDT	Flash Flood Warning	LZK	Boone, Johnson, Marion, Newton, Searcy	6 hr
Oct 8, 11:52 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Newton, Pope, Searcy	38 min
Oct 9, 12:30 AM CDT	Flash Flood Warning	LZK	Baxter, Fulton, Izard, Johnson, Logan, Marion and 6 more	6 hr
Oct 9, 12:35 AM CDT	Severe Thunderstorm Warning	LZK	Conway, Pope, Searcy, Stone, Van Buren	40 min
Oct 9, 1:02 AM CDT	Flash Flood Warning	LZK	Logan, Scott, Yell	6 hr
Oct 9, 1:18 AM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Conway, Izard, Searcy, Stone, Van Buren	42 min
Oct 9, 1:39 AM CDT	Flash Flood Warning	LZK	Cleburne, Conway, Faulkner, Garland, Independence, Izard and 13 more	6 hr
Oct 9, 3:45 AM CDT	Flash Flood Warning	LZK	Baxter, Boone, Fulton, Johnson, Marion, Newton and 1 more	5 hr
Oct 9, 6:10 AM CDT	Flash Flood Warning	LZK	Baxter, Conway, Fulton, Independence, Izard, Johnson and 12 more	3 hr
Oct 9, 6:19 AM CDT	Flash Flood Warning	LZK	Clark, Cleburne, Conway, Faulkner, Garland, Grant and 13 more	4 hr
Oct 9, 7:05 AM CDT	River Flood Warning	LZK	Fulton, Sharp	3 hr
Oct 9, 7:37 AM CDT	Flash Flood Warning	LZK	Cleburne, Conway, Faulkner, Garland, Independence, Izard and 12 more	3 hr
Oct 9, 8:02 AM CDT	Severe Thunderstorm Warning	LZK	Clark, Dallas, Hot Spring	28 min
Oct 9, 8:31 AM CDT	River Flood Advisory	LZK	Searcy	22 hr
Oct 9, 8:50 AM CDT	Severe Thunderstorm Warning	LZK	Bradley, Calhoun, Cleveland, Dallas, Grant, Ouachita	55 min
Oct 9, 8:58 AM CDT	Areal Flood Warning	LZK	Baxter, Boone, Fulton, Izard, Johnson, Logan and 11 more	4 hr
Oct 9, 9:35 AM CDT	River Flood Warning	LZK	Yell	36 hr
Oct 9, 9:35 AM CDT	River Flood Warning	LZK	Perry	3 days
Oct 9, 9:37 AM CDT	River Flood Warning	LZK	Randolph	23 hr
Oct 9, 9:42 AM CDT	Severe Thunderstorm Warning	LZK	Bradley, Calhoun, Cleveland, Drew, Grant, Jefferson and 1 more	63 min
Oct 9, 9:49 AM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Jefferson, Lincoln, Monroe, Prairie	41 min
Oct 9, 9:57 AM CDT	River Flood Advisory	LZK	Franklin, Johnson, Logan	45 hr
Oct 9, 9:57 AM CDT	River Flood Advisory	LZK	Pope, Yell	21 hr
Oct 9, 9:57 AM CDT	River Flood Advisory	LZK	Conway, Perry	21 hr
Oct 9, 9:57 AM CDT	River Flood Advisory	LZK	Faulkner, Perry	21 hr
Oct 9, 9:57 AM CDT	River Flood Advisory	LZK	Pulaski	21 hr
Oct 9, 9:57 AM CDT	River Flood Advisory	LZK	Jefferson, Lincoln	21 hr
Oct 9, 9:57 AM CDT	River Flood Advisory	LZK	Arkansas, Desha, Lincoln	21 hr
Oct 9, 10:07 AM CDT	Flash Flood Warning	LZK	Hot Spring	6 hr
Oct 9, 10:12 AM CDT	River Flood Advisory	LZK	Independence, Jackson	21 hr
Oct 9, 10:12 AM CDT	River Flood Advisory	LZK	Prairie, White, Woodruff	21 hr
Oct 9, 10:12 AM CDT	River Flood Advisory	LZK	Prairie	21 hr
Oct 9, 10:17 AM CDT	River Flood Warning	LZK	Arkansas, Monroe	54 days
Oct 9, 10:25 AM CDT	Flash Flood Warning	LZK	Cleburne, Faulkner, Independence, Izard, Jackson, Lonoke and 6 more	3 hr
Oct 9, 10:26 AM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Desha, Drew, Jefferson, Lincoln, Monroe	64 min
Oct 9, 10:55 AM CDT	River Flood Warning	LZK	Clark, Hot Spring	34 hr
Oct 9, 10:55 AM CDT	River Flood Warning	LZK	Saline	23 hr
Oct 9, 11:08 AM CDT	River Flood Advisory	LZK	Clark, Nevada, Ouachita	20 hr
Oct 9, 11:15 AM CDT	River Flood Advisory	LZK	Yell	20 hr
Oct 9, 11:31 AM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Desha	29 min
Oct 9, 2:34 PM CDT	River Flood Advisory	LZK	Fulton, Sharp	16 hr
Oct 9, 2:34 PM CDT	River Flood Advisory	LZK	Lawrence, Randolph	16 hr

Nearby

Flash Flood Warnings in Arkansas, 2009 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.