Alert archive / Arkansas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 397, NWS Little Rock, AR

October 10, 2001Conway County, Searcy County, Van Buren County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Oct 10, 2001, 5:55 PM CDT for Conway County, Searcy County, Van Buren County, Arkansas. It was in force for 55 min. 6 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Oct 10, 2001, 5:55 PM CDT (22:55 UTC)
Expired: Oct 10, 2001, 6:50 PM CDT
In force: 55 min
Issued by: NWS Little Rock, AR
Area: Whole counties

Counties Conway County, AR, Searcy County, AR, Van Buren County, AR

The radar

The Little Rock radar (KLZK), 90 km from the middle of the area, began a volume at 22:55 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.

What was reported inside it

Time	Report	Where	Remark
Oct 10, 6:15 PM CDT	Thunderstorm Wind 50 E	Scotland, AR	Thunderstorm winds downed several trees.
Oct 10, 6:25 PM CDT	Thunderstorm Wind 50 E	Culpepper, AR	Several trees were blown down.
Oct 10, 6:27 PM CDT	Thunderstorm Wind 50 E	Choctaw, AR	Thunderstorm winds blew down some trees at Choctaw.
Oct 10, 6:30 PM CDT	Thunderstorm Wind 50 E	Landis, AR	Thunderstorm winds downed some power lines at Landis.
Oct 10, 6:30 PM CDT	Thunderstorm Wind 50 E	Clinton, AR	Thunderstorm winds downed a large tree onto a house, causing some roof damage.
Oct 10, 6:30 PM CDT	Thunderstorm Wind 50 E	Clinton, AR	Thunderstorm winds knocked down some trees and television antennas.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Oct 10, 4:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.9 hours before the alert went out and 180 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: 1190 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 507 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 434 m²/s²
0-3 km storm-relative helicity: 490 m²/s²
Significant tornado parameter: 2.6
Supercell composite: 12.8

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Oct 10, 3:30 PM CDT, 2 hours 25 minutes earlier.

Area forecast discussion, Oct 10, 3:30 PM CDT, 2 hours 25 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
330 PM CDT WED OCT 10 2001

THE COLD FRONT CONTINUES TO MOVE SLOWLY TOWARDS ARKANSAS. AS OF 18Z
IT EXTENDED FROM NORTHEASTERN MISSOURI TO SOUTHEASTERN KANSAS ACROSS
CENTRAL OKALHOMA AND INTO THE SOUTHERN PART OF THE TEXAS PANHANDLE.
NUMEROUS SHOWERS AND THUNDERSTORMS CONTINUE ALONG AND AHEAD OF THIS
COLD FRONT. THE COLD FRONT IS EXPECTED TO MOVE SLOWLY INTO ARKANSAS
TONIGHT AND A LOW WILL DEVELOP ALONG THE FRONT...AND THIS WILL TEND
TO SLOW IT DOWN EVEN MORE. SCATTERED TO NUMEROUS SHOWERS OR
THUNDERSHOWERS CAN BE EXPECTED OVER MOST SECTIONS THURSDAY. THERE IS
A CHANCE OF LINGERING SHOWERS INTO THURSDAY NIGHT...MAINLY OVER THE
EASTERN SECTIONS. TEMPERATURES WILL BE HIGHLY DEPENDENT ON
RAIN-COOLED AREAS AND WILL NOT BE EASY TO PINPOINT SO WILL NOT STRAY
TOO FAR FROM GUIDANCE.

.LIT...NONE.

38

In the hours before

Special weather statement, Oct 10, 1:25 PM CDT, 4 hours 30 minutes before

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Special weather statement, Oct 10, 4:45 PM CDT, 1 hour 10 minutes before

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Local storm report, Oct 10, 5:33 PM CDT, 22 minutes before

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Local storm report, Oct 10, 5:48 PM CDT, 7 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 10, 4:31 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Scott	59 min
Oct 10, 4:56 PM CDT	Severe Thunderstorm Warning	LZK	Johnson	64 min
Oct 10, 5:09 PM CDT	Severe Thunderstorm Warning	LZK	Yell	56 min
Oct 10, 5:18 PM CDT	Severe Thunderstorm Warning	LZK	Newton	57 min
Oct 10, 5:28 PM CDT	Severe Thunderstorm Warning	LZK	Pope	57 min
Oct 10, 5:55 PM CDT	Severe Thunderstorm Warning	LZK	Perry	55 min
Oct 10, 6:23 PM CDT	Severe Thunderstorm Warning	LZK	Faulkner	57 min
Oct 10, 6:28 PM CDT	Severe Thunderstorm Warning	LZK	Stone	62 min
Oct 10, 6:43 PM CDT	Severe Thunderstorm Warning	LZK	Baxter	42 min
Oct 10, 6:47 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne	38 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2001 Every severe thunderstorm warning in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.