Alert archive / Arkansas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 191, NWS Little Rock, AR

June 12, 2014Cleveland County, Dallas County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jun 12, 2014, 4:06 PM CDT for Cleveland County, Dallas County, Arkansas. It was in force for 54 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: Jun 12, 2014, 4:06 PM CDT (21:06 UTC)
Expired: Jun 12, 2014, 5:00 PM CDT
In force: 54 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon

Counties Cleveland County, AR, Dallas County, AR

The radar

The Little Rock radar (KLZK), 101 km from the middle of the area, began a volume at 21:10 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 (KBAD), launched 12:00Z, 9.1 hours before the alert went out and 204 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: 1085 J/kg
Mixed-layer CIN: -250 J/kg
Mixed-layer LCL: 1282 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

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 Jun 12, 2:15 PM CDT, 1 hour 51 minutes earlier.

Area forecast discussion, Jun 12, 2:15 PM CDT, 1 hour 51 minutes before

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Hazardous weather outlook, Jun 12, 5:00 AM CDT, 11 hours 6 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LITTLE ROCK AR
500 AM CDT THU JUN 12 2014

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-131000-
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 THU JUN 12 2014

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

.DAY ONE...TODAY AND TONIGHT

CLOUDS WILL INCREASE THIS MORNING. CHANCES FOR SHOWERS AND
THUNDERSTORMS WILL INCREASE ACROSS THE STATE...FIRST IN THE WEST
THEN SPREADING EASTWARD. RAIN CHANCES WILL BECOME LIKELY BY THIS
AFTERNOON...AND WILL CONTINUE INTO TONIGHT. THERE IS A SLIGHT RISK
OF SEVERE THUNDERSTORMS TODAY IN CENTRAL AND SOUTH SECTIONS WITH
DAMAGING WINDS AND LARGE HAIL THE MAIN THREATS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SHOWERS AND THUNDERSTORMS WILL BE ENDING FRIDAY MORNING AS THE
COMPLEX OF THUNDERSTORMS MOVES OUT OF THE AREA. THERE WILL BE A
CHANCE OF MORE SHOWERS AND THUNDERSTORMS ACROSS NORTHWEST ARKANSAS
MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON AND EVENING.

&&

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

51

In the hours before

Special weather statement, Jun 12, 11:51 AM CDT, 4 hours 15 minutes before

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Local storm report, Jun 12, 11:52 AM CDT, 4 hours 14 minutes before

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Special weather statement, Jun 12, 12:27 PM CDT, 3 hours 39 minutes before

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Special weather statement, Jun 12, 2:33 PM CDT, 1 hour 33 minutes before

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Special weather statement, Jun 12, 2:54 PM CDT, 1 hour 12 minutes before

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Special weather statement, Jun 12, 3:56 PM CDT, 10 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
Jun 12, 11:51 AM CDT	Special Weather Statement	LZK	Fulton	44 min
Jun 12, 12:27 PM CDT	Special Weather Statement	LZK	Fulton, Sharp	28 min
Jun 12, 2:33 PM CDT	Special Weather Statement	LZK	Jackson	32 min
Jun 12, 2:54 PM CDT	Special Weather Statement	LZK	Jackson, Woodruff	31 min
Jun 12, 3:07 PM CDT	Severe Thunderstorm Warning	LZK	Jackson, White, Woodruff	38 min
Jun 12, 3:56 PM CDT	Special Weather Statement	LZK	Cleveland	44 min
Jun 12, 4:43 PM CDT	Severe Thunderstorm Warning	LZK	Cleveland, Jefferson	47 min
Jun 12, 5:09 PM CDT	Special Weather Statement	LZK	Jackson	46 min
Jun 12, 5:11 PM CDT	Severe Thunderstorm Warning	LZK	Independence	34 min
Jun 12, 5:18 PM CDT	Special Weather Statement	LZK	Lincoln	42 min
Jun 12, 5:34 PM CDT	Severe Thunderstorm Warning	LZK	Cleveland, Drew, Lincoln	41 min
Jun 12, 5:48 PM CDT	Severe Thunderstorm Warning	LZK	Bradley, Cleveland, Drew	42 min
Jun 12, 6:04 PM CDT	Flash Flood Warning	LZK	Jackson, White, Woodruff	3 hr
Jun 12, 6:16 PM CDT	Special Weather Statement	LZK	Monroe	29 min
Jun 12, 6:25 PM CDT	Severe Thunderstorm Warning	LZK	Monroe	35 min
Jun 12, 6:27 PM CDT	Severe Thunderstorm Warning	LZK	Drew	33 min
Jun 12, 6:35 PM CDT	Special Weather Statement	LZK	Woodruff	30 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2014 Every severe thunderstorm warning in 2014

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.