Alert archive / Arkansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 129, NWS Little Rock, AR

May 30, 2012Desha County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at May 30, 2012, 12:51 PM CDT for Desha County, Arkansas. It was in force for 24 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
May 30, 2012, 12:51 PM CDT (17:51 UTC)
Expired
May 30, 2012, 1:15 PM CDT
In force
24 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon

County Desha County, AR

The radar

The Little Rock radar (KLZK), 145 km from the middle of the area, began a volume at 17:51 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 watch it was issued in

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

IssuedProductOfficeLasted
May 30, 12:27 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 5.9 hours before the alert went out and 163 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-pSkew-T log-p diagram, Little Rock, AR at 12:00Z on 2012-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 312 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2012-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
312 J/kg
Mixed-layer CIN
-243 J/kg
Mixed-layer LCL
1633 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

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 May 30, 12:42 PM CDT, 9 minutes earlier.

Area forecast discussion, May 30, 12:42 PM CDT, 9 minutes before
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Hazardous weather outlook, May 30, 9:25 AM CDT, 3 hours 26 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATE
NATIONAL WEATHER SERVICE LITTLE ROCK AR
925 AM CDT WED MAY 30 2012

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-311000-
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-
925 AM CDT WED MAY 30 2012

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

.DAY ONE...TODAY AND TONIGHT

ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS WILL LIKELY CONTINUE
THROUGH THE MORNING HOURS FIRING OFF OF REMNANTS OF CONVECTIVE
OUTFLOW BOUNDARIES FROM LAST NIGHT AND THIS MORNING. SOME OF THESE
STORMS COULD BECOME SEVERE...WITH LARGE HAIL AS THE MAIN THREAT. THE
OVERALL SEVERE THREAT WILL BE ISOLATED.

A COLD FRONT...CURRENTLY POSITIONED ACROSS NORTH ARKANSAS...WILL
BECOME NEARLY STATIONARY TODAY BEFORE LIFTING NORTH AS A WARM FRONT
OVERNIGHT. ISOLATED SEVERE STORMS WILL AGAIN BE POSSIBLE WITH
DAMAGING WINDS AND LARGE HAIL BEING THE SEVERE THREATS...MAINLY OVER
THE WESTERN HALF OF THE STATE CLOSEST TO A NEW COMPLEX OF
THUNDERSTORMS EXPECTED TO DEVELOP OUT OF EAST OKLAHOMA TONIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SHOWERS AND THUNDERSTORMS WILL CONTINUE INTO THE MORNING HOURS
THURSDAY...BECOMING MORE WIDESPREAD BY MID MORNING AND INTO THE
AFTERNOON AS A SECONDARY COLD FRONT SWEEPS THROUGH THE STATE.
LOCALLY HEAVY RAINFALL AND FREQUENT LIGHTNING WILL BE LIKELY.
ISOLATED STRONG TO SEVERE STORMS WILL BE POSSIBLE THURSDAY WITH THE
FRONT...AND DAMAGING WINDS AND LARGE HAIL WILL BE POSSIBLE. THE
FRONT WILL CLEAR THE STATE FRIDAY NIGHT...WITH PRECIPITATION
TAPERING OFF FROM NORTHWEST TO SOUTHEAST. FRIDAY WILL BE COOL AND
BREEZY...WITH TEMPS WARMING BACK UP THROUGH THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...

COVERAGE OF ANY SEVERE STORMS TODAY AND TONIGHT WILL LIKELY BE TOO
SMALL TO REQUIRE SPOTTER ACTIVATION. HOWEVER...SPOTTER ACTIVATION
MAY BECOME NECESSARY ON THURSDAY.

&&

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

51/61

In the hours before

Special weather statement, May 30, 11:04 AM CDT, 1 hour 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1104 AM CDT WED MAY 30 2012

ARZ045-046-056-057-064-301650-
ARKANSAS AR-JEFFERSON AR-LINCOLN AR-LONOKE AR-PRAIRIE AR-
1104 AM CDT WED MAY 30 2012

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN PRAIRIE...SOUTHEASTERN
LONOKE...NORTHERN LINCOLN...EASTERN JEFFERSON AND WESTERN ARKANSAS
COUNTIES UNTIL 1145 AM CDT...

AT 1101 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
AN AREA OF MODERATE TO STRONG THUNDERSTORMS...MAINLY OVER JEFFERSON
COUNTY...WITH THE STRONGEST STORM...3 MILES NORTHWEST OF LOCK AND
DAM NUMBER 4...OR 7 MILES NORTHEAST OF PINE BLUFF...MOVING NORTHEAST
AT 20 MPH.

SMALL HAIL FROM PEA TO DIME SIZE IN DIAMETER AND WIND GUSTS UP TO 40
MPH ARE EXPECTED WITH THIS STORM...ALONG WITH SOME HEAVY RAIN AND
FREQUENT DANGEROUS LIGHTNING.

* LOCATIONS IMPACTED INCLUDE...
  WOODVILLE...          RICHARDSON...         MADDING...
  LITTLE BAYOU METO PARK...                   LINWOOD...
  LANGFORD...           HUMPHREY...           HUMNOKE...
  ENGLISH LAKE...       ENGLAND...            COTTONDALE...
  BRUMMITT...           ALTHEIMER...          WABBASEKA...
  TUCKER...             TOMBERLIN...          SWAN LAKE...
  SHERRILL...

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

LAT...LON 3468 9160 3411 9148 3407 9194 3457 9202
TIME...MOT...LOC 1603Z 235DEG 17KT 3429 9192

59
Special weather statement, May 30, 11:29 AM CDT, 1 hour 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1129 AM CDT WED MAY 30 2012

ARZ033-034-045>047-301715-
LONOKE AR-MONROE AR-PRAIRIE AR-WHITE AR-WOODRUFF AR-
1129 AM CDT WED MAY 30 2012

...SIGNIFICANT WEATHER ADVISORY FOR WOODRUFF...SOUTHERN WHITE...
PRAIRIE...NORTHERN MONROE AND NORTHEASTERN LONOKE COUNTIES UNTIL 1215
PM CDT...

AT 1126 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
AN AREA OF MODERATE TO STRONG THUNDERSTORMS...MAINLY OVER LONOKE
COUNTY...AND WITH THE STRONGEST STORM NEAR WATERPROOF...OR 10 MILES
NORTHEAST OF LONOKE...MOVING NORTHEAST AT 20 MPH.

SMALL HAIL FROM PEA TO DIME SIZE IN DIAMETER AND WIND GUSTS UP TO 40
MPH ARE EXPECTED WITH THIS STORM...ALONG WITH BRIEF HEAVY RAIN AND
FREQUENT DANGEROUS LIGHTNING.

* LOCATIONS IMPACTED INCLUDE...
  HAZEN...              DES ARC...            DE VALLS BLUFF...
  BRINKLEY...           WEST POINT...         THURMAN...
  PRYOR...              PRAIRIE CENTER...     PEPPERS LANDING...
  PATTERSON...          PARKERS CORNER...     MCRAE...
  MCCRORY...            MCCREANOR...          HURRICANE LAKE WMA...
  HUNTER...             HIGGINSON...          HALLSVILLE...

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 180 AND 218.

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

LAT...LON 3499 9108 3499 9114 3492 9114 3491 9111
      3487 9111 3486 9109 3474 9111 3464 9176
      3519 9193 3531 9105
TIME...MOT...LOC 1628Z 239DEG 20KT 3490 9176

59
Special weather statement, May 30, 11:45 AM CDT, 1 hour 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1145 AM CDT WED MAY 30 2012

ARZ045>047-056-057-064-065-301730-
ARKANSAS AR-DESHA AR-JEFFERSON AR-LINCOLN AR-LONOKE AR-MONROE
AR-PRAIRIE AR-
1145 AM CDT WED MAY 30 2012

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN PRAIRIE...SOUTHERN
MONROE...SOUTHEASTERN LONOKE...NORTHEASTERN LINCOLN...SOUTHEASTERN
JEFFERSON...EXTREME NORTHERN DESHA AND ARKANSAS COUNTIES UNTIL 1230
PM CDT...

AT 1143 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
AN AREA OF STRONG THUNDERSTORMS OVER JEFFERSON COUNTY AND MOVING
INTO ARKANSAS COUNTY...WITH THE STRONGEST 2 MILES NORTH OF WILSON
RESERVOIR...OR 7 MILES SOUTH OF STUTTGART...MOVING NORTHEAST AT 20
MPH.

SMALL HAIL FROM PEA TO DIME SIZE IN DIAMETER AND WIND GUSTS UP TO 40
MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND
FREQUENT DANGEROUS LIGHTNING.

* LOCATIONS IMPACTED INCLUDE...
  STUTTGART...          CLARENDON...          ULM...
  STUTTGART MUNI ARPT...                      ST. CHARLES...
  ROE...                PALMER...
  LITTLE BAYOU METO PARK...                   LANGFORD...
  HOLLY GROVE...        GILLETT...            ENGLISH LAKE...
  DOUGLAS...            DE WITT...            BRUMMITT...
  ALMYRA...             WEBER...              VARNER...

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY...TURN AROUND DONT DROWN!

LAT...LON 3433 9102 3433 9104 3428 9107 3426 9106
      3406 9119 3402 9162 3464 9171 3474 9106
      3457 9104 3448 9105 3447 9102 3435 9100
TIME...MOT...LOC 1644Z 242DEG 17KT 3440 9158

59
Local storm report, May 30, 12:04 PM CDT, 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1204 PM CDT WED MAY 30 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1203 PM     HAIL             HAZEN                   34.79N 91.57W
05/30/2012  E0.25 INCH       PRAIRIE            AR   LAW ENFORCEMENT

            PEA SIZE HAIL FELL IN HAZEN AS STRONG THUNDERSTORMS MOVED
            THROUGH THE AREA.

&&

59
Special weather statement, May 30, 12:21 PM CDT, 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1221 PM CDT WED MAY 30 2012

ARZ034-046-047-301805-
MONROE AR-PRAIRIE AR-WOODRUFF AR-
1221 PM CDT WED MAY 30 2012

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN WOODRUFF...EASTERN
PRAIRIE AND NORTHERN MONROE COUNTIES UNTIL 100 PM CDT...

AT 1217 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
AN AREA OF MODERATE TO STRONG THUNDERSTORMS...WITH THE STRONGEST 2
MILES SOUTH OF BUCKS LANDING...OR NEAR DE VALLS BLUFF...MOVING
NORTHEAST AT 20 MPH.

SMALL HAIL FROM PEA TO DIME SIZE IN DIAMETER AND WIND GUSTS UP TO 40
MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND
FREQUENT DANGEROUS LIGHTNING.

* LOCATIONS IMPACTED INCLUDE...
  DES ARC...            DE VALLS BLUFF...     BRINKLEY...
  PEPPERS LANDING...    HUNTER...             HALLSVILLE...
  DOBBS LANDING...      BISCOE...             ALLENDALE...
  ALFREY...             ZENT...               MONROE...
  KEEVIL...             HILLEMAN...           FARGO...
  DAGMAR WMA...         COTTON PLANT...       BRASFIELD...

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 196 AND 218.

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY...TURN AROUND DONT DROWN!

LAT...LON 3472 9104 3468 9150 3501 9159 3515 9106
      3499 9105 3499 9114 3492 9114 3491 9111
      3487 9111 3486 9109 3474 9110 3474 9105
TIME...MOT...LOC 1721Z 247DEG 18KT 3485 9145

59
Special weather statement, May 30, 12:41 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.

IssuedProductOfficeCountiesLasted
May 30, 4:29 AM CDTSpecial Weather StatementLZKWhite46 min
May 30, 6:37 AM CDTSpecial Weather StatementLZKFulton28 min
May 30, 7:14 AM CDTSpecial Weather StatementLZKFulton, Izard, Sharp46 min
May 30, 8:04 AM CDTSpecial Weather StatementLZKIndependence46 min
May 30, 8:11 AM CDTSpecial Weather StatementLZKJackson29 min
May 30, 8:16 AM CDTSevere Thunderstorm WarningLZKIndependence, Jackson29 min
May 30, 9:46 AM CDTSpecial Weather StatementLZKCleburne44 min
May 30, 10:40 AM CDTSpecial Weather StatementLZKMonroe45 min
May 30, 10:54 AM CDTSpecial Weather StatementLZKJackson61 min
May 30, 11:04 AM CDTSpecial Weather StatementLZKJefferson46 min
May 30, 11:29 AM CDTSpecial Weather StatementLZKPrairie, Woodruff46 min
May 30, 11:45 AM CDTSpecial Weather StatementLZKArkansas, Monroe45 min
May 30, 12:21 PM CDTSpecial Weather StatementLZKPrairie44 min
May 30, 12:26 PM CDTSevere Thunderstorm WarningLZKArkansas, Monroe34 min
May 30, 12:41 PM CDTSpecial Weather StatementLZKArkansas44 min
May 30, 1:13 PM CDTSpecial Weather StatementLZKDesha32 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2012Every severe thunderstorm warning in 2012

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.