Alert archive / Arkansas / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 28, NWS Little Rock, AR

April 2, 2007Clark County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Apr 2, 2007, 9:59 PM CDT for Clark County, Arkansas. It was in force for 46 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: Apr 2, 2007, 9:59 PM CDT (02:59 UTC)
Expired: Apr 2, 2007, 10:45 PM CDT
In force: 46 min
Issued by: NWS Little Rock, AR
Area: Counties, with a storm outline in the text

County Clark County, AR

The radar

The Little Rock radar (KLZK), 121 km from the middle of the area, began a volume at 02:59 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, 3.0 hours before the alert went out and 183 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: 735 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 1580 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.3

Open this sounding in Storm Lab

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 Apr 2, 9:33 PM CDT, 26 minutes earlier.

Area forecast discussion, Apr 2, 9:33 PM CDT, 26 minutes before

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Hazardous weather outlook, Apr 2, 9:15 PM CDT, 44 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
915 PM CDT MON APR 2 2007

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-031000-
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-
915 PM CDT MON APR 2 2007

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

.DAY ONE...TONIGHT

SCATTERED THUNDERSTORMS BUILT INTO SOUTHWESTERN ARKANSAS FROM
LOUISIANA MONDAY EVENING. ISOLATED STORMS WILL BE SEVERE THROUGH
MIDNIGHT...MAINLY TO THE SOUTH AND WEST OF MENA...ARKADELPHIA AND
MONTICELLO. LARGE HAIL WILL BE THE MAIN CONCERN.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SCATTERED THUNDERSTORMS ARE EXPECTED TUESDAY AFTERNOON AND EVENING
AHEAD OF A STRONG COLD FRONT MOVING SOUTHEAST THROUGH THE REGION.
AGAIN...SOME OF THE STORMS COULD BE SEVERE...WITH LARGE HAIL AND
DAMAGING WINDS POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY MONDAY EVENING...WITH ONLY
ISOLATED SEVERE WEATHER EXPECTED. HOWEVER...SPOTTERS MAY BE NEEDED
TUESDAY AFTERNOON AND EVENING...WITH MORE SEVERE STORMS ANTICIPATED.

&&

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

46

In the hours before

Local storm report, Apr 2, 9:32 PM CDT, 27 minutes before

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Local storm report, Apr 2, 9:43 PM CDT, 16 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
Apr 2, 9:14 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Pike	46 min
Apr 3, 11:28 AM CDT	Lake Wind Advisory	LZK	Arkansas, Baxter, Bradley, Calhoun, Clark, Cleburne and 28 more	13 hr
Apr 3, 3:53 PM CDT	Severe Thunderstorm Warning	LZK	Fulton, Izard	67 min
Apr 3, 4:18 PM CDT	Severe Thunderstorm Warning	LZK	Boone	42 min
Apr 3, 4:26 PM CDT	Severe Thunderstorm Warning	LZK	Conway	49 min
Apr 3, 4:32 PM CDT	Severe Thunderstorm Warning	LZK	Sharp	43 min
Apr 3, 4:34 PM CDT	Severe Thunderstorm Warning	LZK	Searcy	41 min
Apr 3, 4:55 PM CDT	Severe Thunderstorm Warning	LZK	Yell	50 min
Apr 3, 4:56 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Stone	49 min
Apr 3, 4:57 PM CDT	Severe Thunderstorm Warning	LZK	Izard	48 min
Apr 3, 5:07 PM CDT	Severe Thunderstorm Warning	LZK	Sharp	38 min
Apr 3, 5:15 PM CDT	Severe Thunderstorm Warning	LZK	Searcy, Stone	60 min
Apr 3, 5:16 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Perry	44 min
Apr 3, 5:32 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner	58 min
Apr 3, 5:43 PM CDT	Severe Thunderstorm Warning	LZK	Faulkner	62 min
Apr 3, 5:45 PM CDT	Severe Thunderstorm Warning	LZK	Sharp	30 min
Apr 3, 6:00 PM CDT	Severe Thunderstorm Warning	LZK	Perry	60 min
Apr 3, 6:07 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Independence	53 min
Apr 3, 6:15 PM CDT	Severe Thunderstorm Warning	LZK	Stone	45 min
Apr 3, 6:41 PM CDT	Severe Thunderstorm Warning	LZK	Pulaski	64 min
Apr 3, 6:44 PM CDT	Severe Thunderstorm Warning	LZK	Jackson	37 min
Apr 3, 6:47 PM CDT	Severe Thunderstorm Warning	LZK	Faulkner	43 min
Apr 3, 6:55 PM CDT	Severe Thunderstorm Warning	LZK	White	65 min
Apr 3, 6:59 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Polk	61 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2007 Every severe thunderstorm 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.