Alert archive / Arkansas / Flash Flood Warnings in 2008

Flash Flood Warning 148, NWS Little Rock, AR

September 13, 20087 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at Sep 13, 2008, 9:17 PM CDT for 7 counties in Arkansas. It was in force for 6 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: Sep 13, 2008, 9:17 PM CDT (02:17 UTC)
Expired: Sep 14, 2008, 3:15 AM CDT
In force: 6 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Clark County, AR, Logan County, AR, Montgomery County, AR, Pike County, AR, Polk County, AR, Scott County, AR, Yell County, AR

The radar

The Western Arkansas radar (KSRX), 96 km from the middle of the area, began a volume at 02:20 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 00:00Z, 2.3 hours before the alert went out and 238 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: 438 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 543 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 399 m²/s²
0-3 km storm-relative helicity: 419 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 7.4

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 Sep 13, 6:17 PM CDT, 3 hours earlier.

Area forecast discussion, Sep 13, 6:17 PM CDT, 3 hours before

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Hazardous weather outlook, Sep 13, 5:00 AM CDT, 16 hours 17 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LITTLE ROCK AR
500 AM CDT SAT SEP 13 2008

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-141000-
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-
500 AM CDT SAT SEP 13 2008

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

.DAY ONE...TODAY AND TONIGHT

HURRICANE IKE MADE LANDFALL ALONG THE TEXAS GULF COAST EARLY THIS
MORNING...AND WILL BEGIN AFFECTING ARKANSAS LATER TODAY AND TONIGHT.
HEAVY RAIN...STRONG WINDS AND ISOLATED TORNADOES ARE EXPECTED.

RAIN WILL BECOME LIKELY OVER WESTERN ARKANSAS TODAY...AND WILL
SPREAD OVER THE REMAINDER OF THE STATE TONIGHT. THROUGH SUNDAY
AFTERNOON...3 TO 6 INCH AMOUNTS WILL BE POSSIBLE GENERALLY WEST OF
HARDY...MORRILTON AND CAMDEN...WITH 1 TO 3 INCHES FARTHER EAST.

A FLOOD WATCH HAS BEEN ISSUED FOR MUCH OF ARKANSAS TONIGHT AND
SUNDAY. THE SOIL IS NEARLY SATURATED IN SOME AREAS DUE TO WELL ABOVE
NORMAL RAIN IN AUGUST...AND THIS WILL MAKE FLOODING MORE LIKELY
DURING THIS UPCOMING EVENT.

VERY WINDY CONDITIONS WILL BE NOTED IN SOUTHWEST ARKANSAS THIS
AFTERNOON. SOUTHEAST WINDS AT 30 TO 35 MPH ARE EXPECTED...WITH
GUSTS APPROACHING 50 MPH. THESE WINDS WILL SPREAD TO THE NORTHEAST
TONIGHT AND SUNDAY MORNING.

A WIND ADVISORY IS IN EFFECT IN THE SOUTHWEST THIS AFTERNOON...AND
IN MUCH OF ARKANSAS TONIGHT AND SUNDAY. NUMEROUS TREES AND POWER
LINES WILL LIKELY BE DOWNED. TREES WILL BE PUSHED OVER MORE READILY
DUE TO WET SOIL CONDITIONS.

THERE IS ALSO A CONCERN ABOUT SEVERE WEATHER. WITH SOME WARMING THIS
AFTERNOON...AND AS SHEAR INCREASES AS THE CENTER OF IKE
APPROACHES...ISOLATED TORNADOES MAY FORM IN DEVELOPING STORMS
THROUGH THIS EVENING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

HEAVY RAIN AND STRONG WINDS WILL CONTINUE SUNDAY MORNING BEFORE THE
REMNANTS OF IKE EXIT TO THE NORTHEAST. IKE WILL BE FOLLOWED BY A
COLD FRONT...AND COOLER AND DRIER AIR. BELOW NORMAL TEMPERATURES ARE
IN THE FORECAST TO BEGIN THE WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND EVENING...WITH
ISOLATED TORNADOES EXPECTED.

&&

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

61/46

In the hours before

Local storm report, Sep 13, 4:46 PM CDT, 4 hours 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
446 PM CDT SAT SEP 13 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0425 PM     TORNADO          CARDEN BOTTOMS          35.15N 93.01W
09/13/2008                   YELL               AR   AMATEUR RADIO

            POSSIBLE TORNADO SPOTTED NEAR CARDEN BOTTOMS.

0425 PM     TORNADO          CHERRY HILL             34.98N 92.87W
09/13/2008                   PERRY              AR   AMATEUR RADIO

            POSSIBLE TORNADO. A MOBILE HOME WAS BLOWN OVER ON CHERRY
            HILL LOOP ROAD.

0446 PM     FUNNEL CLOUD     BRYANT                  34.61N 92.49W
09/13/2008                   SALINE             AR   AMATEUR RADIO

&&

60

Local storm report, Sep 13, 4:49 PM CDT, 4 hours 28 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
449 PM CDT SAT SEP 13 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0425 PM     TORNADO          CHERRY HILL             34.98N 92.87W
09/13/2008                   PERRY              AR   AMATEUR RADIO

            POSSIBLE TORNADO. A TREE WAS BLOWN ONTO A MOBILE HOME ON
            CHERRY HILL LOOP ROAD.

&&

60

Local storm report, Sep 13, 5:41 PM CDT, 3 hours 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
541 PM CDT SAT SEP 13 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0420 PM     TSTM WND DMG     1 E HOUSTON             35.03N 92.68W
09/13/2008                   PERRY              AR   EMERGENCY MNGR

            A TREE WAS DOWN ACROSS WROTEN ROAD.

&&

60

Local storm report, Sep 13, 5:56 PM CDT, 3 hours 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
556 PM CDT SAT SEP 13 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0525 PM     TSTM WND DMG     KEO                     34.61N 92.01W
09/13/2008                   LONOKE             AR   LAW ENFORCEMENT

            DEBRIS IS ON HIGHWAY 165 NEAR KEO.

&&

58

Local storm report, Sep 13, 6:45 PM CDT, 2 hours 32 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
Sep 13, 9:15 PM CDT	River Flood Warning	LZK	Saline	12 hr
Sep 13, 9:23 PM CDT	River Flood Warning	LZK	Yell	34 hr
Sep 13, 9:23 PM CDT	River Flood Warning	LZK	Perry	34 hr
Sep 13, 9:31 PM CDT	River Flood Warning	LZK	Clark, Hot Spring	11 hr
Sep 13, 11:54 PM CDT	Flash Flood Warning	LZK	Conway, Faulkner, Johnson, Logan, Perry, Pope and 3 more	5 hr
Sep 14, 4:07 AM CDT	Lake Wind Advisory	LZK	Bradley, Calhoun, Clark, Cleveland, Dallas, Desha and 4 more	3 hr
Sep 14, 6:46 AM CDT	Lake Wind Advisory	LZK	Arkansas, Baxter, Cleburne, Conway, Faulkner, Fulton and 15 more	6 hr

Nearby

Flash Flood Warnings in Arkansas, 2008 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.