Alert archive / Arkansas / Flash Flood Warnings in 2007

Flash Flood Warning 63, NWS Little Rock, AR

July 9, 2007Bradley County, Calhoun County, Ouachita County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Jul 9, 2007, 4:48 PM CDT for Bradley County, Calhoun County, Ouachita County, Arkansas. It took effect at Jul 9, 2007, 4:53 PM CDT. It was in force for 112 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 9, 2007, 4:48 PM CDT (21:48 UTC)
In effect from: Jul 9, 2007, 4:53 PM CDT
Expired: Jul 9, 2007, 6:45 PM CDT
In force: 112 min
Issued by: NWS Little Rock, AR
Area: Whole counties

Counties Bradley County, AR, Calhoun County, AR, Ouachita County, AR

The radar

The Little Rock radar (KLZK), 146 km from the middle of the area, began a volume at 21:48 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

Shreveport, LA (KSHV), launched 12:00Z, 9.8 hours before the alert went out and 165 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: 2246 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 801 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 22 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 9, 2:22 PM CDT, 2 hours 26 minutes earlier.

Area forecast discussion, Jul 9, 2:22 PM CDT, 2 hours 26 minutes before

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Hazardous weather outlook, Jul 9, 7:55 AM CDT, 8 hours 53 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
755 AM CDT MON JUL 9 2007

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-101000-
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-
755 AM CDT MON JUL 9 2007

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

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS MUCH OF THE AREA TODAY.
NO ORGANIZED SEVERE WEATHER IS EXPECTED BUT ISOLATED STORMS MAY
BRIEFLY BECOME STRONG WITH GUSTY WINDS AND POSSIBLY SMALL HAIL.
ALSO...CONSIDERABLE DANGEROUS CLOUD TO GROUND LIGHTNING IS
EXPECTED. IF THREATENING CLOUDS ARE SIGHTED APPROACHING FROM THE
SOUTHWEST...PEOPLE SHOULD TAKE SHELTER IMMEDIATELY BECAUSE OF
THE DANGER FROM LIGHTNING. LOCALLY HEAVY RAIN WILL BE POSSIBLE
WHICH COULD CAUSE SOME FLOODING OF LOW LYING AND POOR DRAINAGE
AREAS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH MUCH OF
THE UPCOMING WEEK...OCCURRING MAINLY IN THE AFTERNOON AND EARLY
EVENING. LOCALIZED GUSTY WINDS...HAIL AND FLOODING COULD RESULT
BUT NO SIGNIFICANT HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

&&

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

29

In the hours before

Local storm report, Jul 9, 12:24 PM CDT, 4 hours 24 minutes before

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Local storm report, Jul 9, 12:26 PM CDT, 4 hours 22 minutes before

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Local storm report, Jul 9, 12:33 PM CDT, 4 hours 15 minutes before

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Local storm report, Jul 9, 12:42 PM CDT, 4 hours 6 minutes before

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Special weather statement, Jul 9, 3:34 PM CDT, 1 hour 14 minutes before

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Special weather statement, Jul 9, 4:29 PM CDT, 19 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
Jul 9, 8:42 AM CDT	Flash Flood Warning	LZK	Cleveland, Dallas, Grant, Jefferson	3 hr
Jul 9, 9:25 AM CDT	Flash Flood Warning	LZK	Hot Spring	2 hr
Jul 9, 9:55 AM CDT	Flash Flood Warning	LZK	Pulaski, Saline	2 hr
Jul 9, 10:23 AM CDT	Flash Flood Warning	LZK	Faulkner	2 hr
Jul 9, 2:37 PM CDT	Flash Flood Warning	LZK	Newton	113 min

Nearby

Flash Flood Warnings in Arkansas, 2007 Every flash flood warning in 2007

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.