Alert archive / Arkansas / Tornado Warnings in 2008

Tornado Warning 81, NWS Little Rock, AR

September 11, 2008Marion County, Arkansas

NWS Little Rock, AR issued this tornado warning at Sep 11, 2008, 7:16 PM CDT for Marion County, Arkansas. It was in force for 14 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: Sep 11, 2008, 7:16 PM CDT (00:16 UTC)
Expired: Sep 11, 2008, 7:30 PM CDT
In force: 14 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon

County Marion County, AR

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.3 hours before the alert went out and 122 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: 381 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 744 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 77 m²/s²
0-3 km storm-relative helicity: 161 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at Sep 11, 7:00 PM CDT, 16 minutes earlier.

Area forecast discussion, Sep 11, 7:00 PM CDT, 16 minutes before

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Hazardous weather outlook, Sep 11, 3:19 PM CDT, 3 hours 57 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
319 PM CDT THU SEP 11 2008

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-121000-
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-
319 PM CDT THU SEP 11 2008

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

.DAY ONE...THROUGH TONIGHT

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WILL REMAIN POSSIBLE INTO
THIS EVENING OVER PORTIONS OF NORTHERN AND CENTRAL ARKANSAS.
HOWEVER...NO ORGANIZED SEVERE WEATHER IS EXPECTED.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THE FOCUS INTO THE WEEKEND WILL CONTINUE TO BE ON THE WESTERN GULF
OF MEXICO...AND TEXAS REGARDING THE EVENTUAL LANDFALL OF HURRICANE
IKE. THE CURRENT FORECAST HAS IKE MAKING LANDFALL EARLY SATURDAY
MORNING ALONG THE UPPER TEXAS COAST...THEN TRACKING NORTH TOWARD
WESTERN ARKANSAS SUNDAY MORNING AS A TROPICAL STORM.

RAINFALL ASSOCIATED WITH IKE WILL OVERSPREAD ARKANSAS FROM THE
SOUTHWEST STARTING SATURDAY. HEAVY RAINFALL IS EXPECTED SATURDAY
NIGHT AND SUNDAY...ESPECIALLY OVER WESTERN AND NORTHERN ARKANSAS
WHERE RAINFALL AMOUNTS OF 3 TO 6 INCHES WILL BE POSSIBLE. FURTHER
EAST...1 TO 3 INCHES OF RAINFALL WILL BE POSSIBLE. ISOLATED HEAVIER
AMOUNTS GREATER THAN 6 INCHES WILL BE POSSIBLE...ESPECIALLY ACROSS
THE WESTERN HALF OF THE STATE.

ALONG WITH THE HEAVY RAINS...STRONG WINDS WILL ALSO ACCOMPANY THE
STORM SYSTEM. SUSTAINED WINDS OF 40 MPH WILL BE POSSIBLE OVER
WESTERN ARKANSAS SATURDAY NIGHT...WITH GUSTS OF 50 TO 60 MPH
POSSIBLE. ON SUNDAY...SUSTAINED WINDS OF 30 TO 40 MPH WILL BE
POSSIBLE STATEWIDE AS THE CENTER OF IKE IS FORECAST TO TRACK ACROSS
ARKANSAS. ISOLATED TORNADOES CANNOT BE RULED OUT AS WELL.

THE COMBINATION OF STRONG WINDS...ALONG WITH THE ALREADY SATURATED
SOILS...WILL LIKELY RESULT IN NUMEROUS DOWNED TREES AND POWER LINES.

IT MUST BE NOTED THAT THE LANDFALL OF IKE...AND THE TRACK IT TAKES
THEREAFTER...WILL DETERMINE HOW MUCH OF AN EFFECT IT HAS ON THE
WEATHER IN ARKANSAS. IT IS RECOMMENDED THAT RESIDENTS AND EMERGENCY
MANAGERS MONITOR THE LATEST FORECASTS FROM YOUR NATIONAL WEATHER
SERVICE REGARDING IKE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION COULD BE NEEDED STARTING SATURDAY AND CONTINUING
THROUGH SUNDAY DEPENDING ON THE EVENTUAL TRACK OF IKE.

&&

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

44

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 12, 1:43 PM CDT	River Flood Advisory	LZK	Franklin, Johnson, Logan	35 hr
Sep 12, 1:43 PM CDT	River Flood Advisory	LZK	Pope, Yell	35 hr
Sep 12, 1:43 PM CDT	River Flood Advisory	LZK	Conway, Perry	35 hr
Sep 12, 1:43 PM CDT	River Flood Advisory	LZK	Faulkner, Perry	35 hr
Sep 12, 1:43 PM CDT	River Flood Advisory	LZK	Pulaski	35 hr
Sep 12, 1:43 PM CDT	River Flood Advisory	LZK	Jefferson, Lincoln	35 hr
Sep 12, 1:43 PM CDT	River Flood Advisory	LZK	Arkansas, Desha, Lincoln	35 hr
Sep 12, 1:54 PM CDT	River Flood Advisory	LZK	Franklin	23 hr
Sep 12, 2:03 PM CDT	River Flood Advisory	LZK	Fulton, Sharp	23 hr
Sep 12, 2:03 PM CDT	River Flood Advisory	LZK	Lawrence, Randolph	23 hr
Sep 12, 2:08 PM CDT	River Flood Advisory	LZK	Clark, Hot Spring	23 hr
Sep 12, 2:33 PM CDT	River Flood Advisory	LZK	Randolph	36 hr
Sep 12, 2:33 PM CDT	River Flood Advisory	LZK	Independence, Jackson, Lawrence	36 hr
Sep 12, 2:42 PM CDT	River Flood Advisory	LZK	Searcy	22 hr
Sep 12, 2:42 PM CDT	River Flood Advisory	LZK	Yell	22 hr
Sep 12, 2:42 PM CDT	River Flood Advisory	LZK	Izard, Stone	22 hr
Sep 12, 2:42 PM CDT	River Flood Advisory	LZK	Independence	22 hr
Sep 12, 2:42 PM CDT	River Flood Advisory	LZK	Yell	22 hr
Sep 12, 2:42 PM CDT	River Flood Advisory	LZK	Perry	22 hr
Sep 12, 2:42 PM CDT	River Flood Advisory	LZK	Randolph	22 hr

Nearby

Tornado Warnings in Arkansas, 2008 Every tornado warning in 2008 Tornadoes 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.