Alert archive / Arkansas / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 36, NWS Little Rock, AR

March 27, 20114 counties in Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Mar 27, 2011, 5:13 PM CDT for 4 counties in Arkansas. It was in force for 37 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: Mar 27, 2011, 5:13 PM CDT (22:13 UTC)
Expired: Mar 27, 2011, 5:50 PM CDT
In force: 37 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon

Counties Lonoke County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR

The radar

The Little Rock radar (KLZK), 17 km from the middle of the area, began a volume at 22:13 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

Springfield, MO (KSGF), launched 12:00Z, 10.2 hours before the alert went out and 284 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 495 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: -50 m²/s²
0-3 km storm-relative helicity: 87 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Mar 27, 3:07 PM CDT, 2 hours 6 minutes earlier.

Area forecast discussion, Mar 27, 3:07 PM CDT, 2 hours 6 minutes before

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Hazardous weather outlook, Mar 27, 3:15 PM CDT, 1 hour 58 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LITTLE ROCK AR
315 PM CDT SUN MAR 27 2011

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-281000-
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-
315 PM CDT SUN MAR 27 2011

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED SHOWERS AND THUNDERSTORMS WILL BE NOTED ACROSS MUCH OF
ARKANSAS THROUGH THE REMAINDER OF THE EVENING AS AN UPPER LEVEL
SYSTEM MOVES EAST ACROSS NORTHERN ARKANSAS. THERE IS ONLY A SLIGHT
RISK FOR AN ISOLATED STRONG TO SEVERE THUNDERSTORM ACROSS SOUTHERN
PARTS OF THE STATES...WITH THE MAIN CONCERN BEING LARGE HAIL.

ACROSS NORTH AND NORTHWESTERN PORTIONS OF THE STATE...WHERE
TEMPERATURES WILL BE A LITTLE COOLER...THERE IS A SLIGHT CHANCE FOR
SOME SLEET MIXING IN WITH THE RAIN SHOWERS. NO ACCUMULATION IS
EXPECTED.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

PARTS OF NORTHERN ARKANSAS WILL ONCE AGAIN SEE LOW TEMPERATURES
APPROACH THE FREEZING MARK MONDAY MORNING...WHERE A FREEZE WARNING
REMAINS IN EFFECT. PRECAUTIONS SHOULD BE TAKEN TO PROTECT TENDER
VEGETATION.

THE NEXT SIGNIFICANT STORM SYSTEM IS FORECAST TO AFFECT THE MID
SOUTH STARTING MONDAY NIGHT AND TUESDAY...WITH A GOOD CHANCE OF
SHOWERS AND THUNDERSTORMS. AT THIS TIME IT APPEARS THE SYSTEM WILL
TRACK SOUTH OF ARKANSAS...LIMITING THE POTENTIAL FOR WIDESPREAD
SEVERE WEATHER. HOWEVER...SOME OF THE STRONGER STORMS COULD PRODUCE
HAIL UP TO ONE INCH IN DIAMETER.

YET ANOTHER LOW PRESSURE WILL BRING SHOWER AND THUNDERSTORMS CHANCES
BACK TO THE NATURAL STATE WEDNESDAY NIGHT AND THURSDAY. ONCE
AGAIN...INDICATIONS ARE THAT THE LOW WILL PASS SOUTH OF ARKANSAS AND
KEEP THE AREA IN A SOMEWHAT COOL AIRMASS. THIS WOULD LIMIT THE
POSSIBILITY OF SEVERE WEATHER.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

&&

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

224

In the hours before

Local storm report, Mar 27, 3:35 PM CDT, 1 hour 38 minutes before

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Special weather statement, Mar 27, 4:17 PM CDT, 56 minutes before

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Special weather statement, Mar 27, 4:42 PM CDT, 31 minutes before

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Local storm report, Mar 27, 4:52 PM CDT, 21 minutes before

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Local storm report, Mar 27, 4:55 PM CDT, 18 minutes before

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Local storm report, Mar 27, 5:07 PM CDT, 6 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
Mar 26, 7:33 PM CDT	Special Weather Statement	LZK	Desha	17 min
Mar 26, 7:34 PM CDT	Special Weather Statement	LZK	Desha	31 min
Mar 26, 7:46 PM CDT	Severe Thunderstorm Warning	LZK	Desha	29 min
Mar 26, 8:26 PM CDT	Special Weather Statement	LZK	Desha	29 min
Mar 27, 11:05 AM CDT	Freeze Warning	LZK	Baxter, Fulton, Izard, Marion, Sharp, Stone	22 hr
Mar 27, 12:52 PM CDT	Special Weather Statement	LZK	Drew	43 min
Mar 27, 1:59 PM CDT	Special Weather Statement	LZK	Dallas	46 min
Mar 27, 2:03 PM CDT	Severe Thunderstorm Warning	LZK	Calhoun, Dallas, Ouachita	27 min
Mar 27, 2:56 PM CDT	Special Weather Statement	LZK	Scott	44 min
Mar 27, 3:19 PM CDT	Special Weather Statement	LZK	Dallas	31 min
Mar 27, 3:25 PM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Jefferson, Lincoln	35 min
Mar 27, 4:17 PM CDT	Special Weather Statement	LZK	Garland	28 min
Mar 27, 4:42 PM CDT	Special Weather Statement	LZK	Saline	28 min
Mar 27, 6:39 PM CDT	Special Weather Statement	LZK	Montgomery	31 min
Mar 27, 6:49 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery	26 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2011 Every severe thunderstorm warning in 2011

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.