Alert archive / Arkansas / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 182, NWS Little Rock, AR

April 20, 20115 counties in Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Apr 20, 2011, 10:58 PM CDT for 5 counties in Arkansas. It was in force for 32 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 20, 2011, 10:58 PM CDT (03:58 UTC)
Expired: Apr 20, 2011, 11:30 PM CDT
In force: 32 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon

Counties Bradley County, AR, Calhoun County, AR, Cleveland County, AR, Drew County, AR, Lincoln County, AR

The radar

The Little Rock radar (KLZK), 128 km from the middle of the area, began a volume at 04:01 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, 4.0 hours before the alert went out and 207 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: 1739 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 1671 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 69 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.6

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 20, 6:41 PM CDT, 4 hours 17 minutes earlier.

Area forecast discussion, Apr 20, 6:41 PM CDT, 4 hours 17 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
641 PM CDT WED APR 20 2011

.AVIATION...

FRONT THAT PUSHED THROUGH THE STATE ON TUE NIGHT HAS STALLED
ACROSS THE LA/AR BORDER AT THIS TIME. SHRA AND TSRA WILL CONTINUE
ACROSS CENTRAL AND SOUTHERN ARKANSAS THROUGH THE EVENING WITH
WIDESPREAD MVFR CONDITIONS. NRN SITES WILL SEE THE VFR CONDITIONS
PERSIST THROUGH THE EVENING BEFORE PRECIP CHANCES BEGIN INCREASING
OVERNIGHT AND CIGS START TO DROP. FURTHER SOUTH...LOW LEVEL STATUS
WILL KEEP MVFR AND LOW LEVEL VFR CIGS THROUGH MUCH OF THE
NIGHT...THOUGH SOME IMPROVEMENT COULD OCCUR. HAVE MENTIONED SHRA
AND TSRA FOR MOST SITES BY THU MORNING AS THE FRONT BEGINS LIFTING
BACK NORTH.

&&

.PREV DISCUSSION... /ISSUED 345 PM CDT WED APR 20 2011/

SHORT TERM...TONIGHT THROUGH SATURDAY NIGHT

BUSY AFTN ACRS THE FA DEALING WITH ELEVATED STORMS/HAILERS ACRS
MAINLY CNTRL AR. ACTIVITY OCCURRING WELL N OF THE SFC BNDRY THAT
WAS STALLED OUT ACRS NRN LA...AND BEING AIDED BY AN APCHG SHRTWV FM
THE W. STRONG/SVR STORMS WL CONT INTO THE EARLY EVENING HRS...AS A
SVR TSTM WATCH RMNS IN EFFECT UNTIL 21/02Z.

UNSETTLED WX CONDS WL CONT ACRS THE MID SOUTH FOR THE NEXT SEVERAL
DAYS AS THE AFOREMENTIONED FNTL BNDRY WL BEGIN LIFTING BACK SLOLY
NWD STARTING TNGT AND THU. BEST SHRA/TSRA CHCS WL ALSO SHIFT NWD
WITH THE FNT IN THE COMING DAYS. LOCATIONS TO THE S OF THE BNDRY WL
SEE A RETURN TO WARM AND HUMID CONDS...WITH JUST SLGT CHCS OF
CONVECTION.

MODELS CONT TO INDC THAT HEADING INTO THE WEEKEND...THE FNTL BNDRY
WL BE SITUATED NEAR THE AR/MO BRDR. A SERIES OF UPR LVL IMPULSES WL
CONT TO TRACK EWD THRU THE REGION...RESULTING IN ADDITIONAL PDS OF
SHRA/TSRA. BEST CHCS WL CONT TO BE GENERALLY ALONG AND N OF THE
BNDRY...MAINLY AFFECTING NRN AR.

LONG TERM...SUNDAY THROUGH WEDNESDAY

STATIONARY FRONT WILL BE POSITIONED JUST NW OF THE CWA AT THE START
OF THE LONG TERM...WITH UPPER LEVEL FLOW OVER THE REGION REMAINING
NEARLY PARALLEL TO THIS FRONT. WITH MULTIPLE UPPER DISTURBANCES MOVE
OVER THE REGION ABOVE THE FRONT...SEVERAL ROUNDS OF SHOWERS AND
THUNDERSTORMS ARE EXPECTED SUN AND MON. RIGHT NOW...THE BEST POPS
WILL REMAIN ACROSS THE FAR NW SECTIONS OF THE STATE...OR IN AREAS IN
CLOSER PROXIMITY TO THIS STALLED FRONT. IF THIS FRONT STALLS FURTHER
SOUTH DURING THIS PERIOD...BETTER CHANCES FOR HEAVY RAINFALL WILL BE
POSSIBLE ACROSS THE NORTHERN THIRD OF THE STATE. THIS SCENARIO
WARRANTS FURTHER ATTENTION IN THE COMING DAYS AS THE HEAVY RAINFALL
WILL INCREASE THE THREAT FOR FLASH AND RIVER FLOODING ACROSS THIS
REGION OF THE STATE...ESPECIALLY IF THE FRONT STALLS FURTHER SOUTH
THAT CURRENTLY EXPECTED.

BY TUE...AN UPPER LEVEL TROUGH WILL MOVE EAST INTO THE PLAINS...WITH
THE STALLED FRONT LIFTING FURTHER NORTH...AND STRONGER SRLY SFC FLOW
DEVELOPING ACROSS THE STATE. A DRY LINE AND COLD FRONT WILL THEN
MOVE TOWARDS THE STATE TUE INTO WED...WITH SHOWERS AND THUNDERSTORMS
POSSIBLE FOR MUCH OF AR. GIVEN THE TIME OF YEAR...FORECAST UPPER
LEVEL DYNAMICS...AND PERSISTENT MOISTURE ADVECTION INTO THE STATE
OVER SEVERAL DAYS...THE THREAT FOR WIDESPREAD SEVERE WEATHER WILL
EXIST WITH THIS SYSTEM. HOWEVER...THERE DOES REMAIN SOME UNCERTAINTY
REGARDING TIMING AND OTHER DETAILS WITH THIS EARLY NEXT WEEK
SYSTEM...AND FORECAST ADJUSTMENTS WILL BE POSSIBLE IN THE COMING
DAYS.

&&

.PRELIMINARY POINT TEMPS/POPS...
BATESVILLE AR     50  67  61  79 /  50  60  30  30
CAMDEN AR         59  79  66  83 /  50  30  20  10
HARRISON AR       45  64  60  77 /  40  70  40  40
HOT SPRINGS AR    55  74  65  82 /  60  40  20  20
LITTLE ROCK   AR  54  72  64  82 /  60  40  20  20
MONTICELLO AR     60  79  66  86 /  50  30  20  10
MOUNT IDA AR      55  73  64  81 /  60  40  20  20
MOUNTAIN HOME AR  44  63  60  79 /  30  70  40  40
NEWPORT AR        51  69  63  80 /  50  60  30  30
PINE BLUFF AR     57  76  63  84 /  60  40  20  10
RUSSELLVILLE AR   52  69  60  81 /  60  60  30  30
SEARCY AR         52  69  63  80 /  60  60  20  20
STUTTGART AR      55  74  63  82 /  60  40  20  10
&&

.LZK WATCHES/WARNINGS/ADVISORIES...NONE.
&&

SHORT TERM...58 / LONG TERM...56
AVIATION...56

Hazardous weather outlook, Apr 20, 10:00 PM CDT, 58 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1000 PM CDT WED APR 20 2011

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-211000-
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-
1000 PM CDT WED APR 20 2011

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

.DAY ONE...TONIGHT

SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER CENTRAL AND SOUTHERN
ARKANSAS...JUST TO THE NORTH OF A STALLED OUT FRONTAL BOUNDARY...
THROUGH THE NIGHT. SOME OF THESE STORMS WILL BE STRONG WITH THE HAIL
UP TO QUARTER SIZE THE PRIMARY CONCERN.

IN ADDITION TO THE THUNDERSTORMS...THESE STORMS MAY TRACK OVER THE
SAME AREA WHERE HEAVY RAIN HAS ALREADY FALLEN LEADING TO THE
POSSIBILITY OF FLASH FLOODING.

THE ACTIVITY WILL SLOWLY DIMINISH THROUGH THE EVENING AND OVERNIGHT
HOURS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

ON THURSDAY...THE STATIONARY FRONT IN LOUISIANA WILL MOVE NORTH AS A
WARM FRONT AND BRING ANOTHER ROUND OF THUNDERSTORMS TO THE STATE.
THE BEST CHANCE FOR THUNDERSTORMS WILL BE IN THE NORTHERN HALF OF
THE FORECAST AREA. SOME OF THESE STORMS COULD BE SEVERE...WITH LARGE
HAIL BEING THE MOST LIKELY THREAT.

ANOTHER ROUND OF STORMS WILL BE POSSIBLE FRIDAY NIGHT...MAINLY IN
THE NORTH AND NORTHWEST PARTS OF THE FORECAST AREA.

FINALLY...ON TUESDAY THE COMPUTER MODELS ARE SHOWING A SETUP THAT
COULD BRING A SIGNIFICANT AND WIDESPREAD ROUND OF STRONG
THUNDERSTORMS TO THE STATE. DETAILS ABOUT THIS EVENT ARE NOT YET
CLEAR...BUT THIS SCENARIO BEARS MONITORING OVER THE NEXT SEVERAL
DAYS.

WITH SEVERAL ROUNDS OF SHOWERS AND THUNDERSTORMS EXPECTED ACROSS
PORTIONS OF THE STATE OVER THE NEXT SEVERAL DAYS...THE THREAT FOR
FLASH FLOODING AND RIVER FLOODING WILL INCREASE OVER TIME. THE
AREAS OF GREATEST THREAT FOR HEAVY RAINFALL OVER THE NEXT 7 DAYS WILL
BE ACROSS THE NORTHERN THIRD OF THE STATE BY LATE THIS WEEKEND INTO
EARLY NEXT WEEK WITH A FRONTAL BOUNDARY LINGERING IN THE VICINITY OF
THE OZARKS.

.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.

51/62/56

In the hours before

Special weather statement, Apr 20, 8:30 PM CDT, 2 hours 28 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
830 PM CDT WED APR 20 2011

ARZ052-053-210215-
CLARK AR-PIKE AR-
830 PM CDT WED APR 20 2011

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN PIKE AND CENTRAL
CLARK COUNTIES UNTIL 915 PM CDT...

AT 830 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 5 MILES WEST OF BOWEN...OR 10 MILES SOUTHEAST OF
MURFREESBORO...MOVING EAST AT 40 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER IS EXPECTED WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  OKOLONA...            HALFWAY...            PISGAH...
  HOLLYWOOD...          DELIGHT...            BURTSELL...
  BILLSTOWN...          ANTOINE...            STELLTOWN...
  SMYRNA...             SHILOH...             PINEY GROVE...
  PIKE JUNCTION...      MEEKS SETTLEMENT...   LOVE CREEK...
  HARETOWN...           DOBYVILLE...          CLEAR SPRING...

THIS INCLUDES INTERSTATE 30 BETWEEN MILE MARKERS 56 AND 66.

LAT...LON 3416 9324 3396 9308 3392 9332 3395 9337
      3396 9348 3394 9352 3396 9355 3396 9361
      3398 9365 3399 9369 3400 9370
TIME...MOT...LOC 0130Z 256DEG 33KT 3395 9357

224

Special weather statement, Apr 20, 8:55 PM CDT, 2 hours 3 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
855 PM CDT WED APR 20 2011

ARZ062>064-066>069-210240-
BRADLEY AR-CALHOUN AR-CLEVELAND AR-DALLAS AR-DREW AR-LINCOLN
AR-OUACHITA AR-
855 PM CDT WED APR 20 2011

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN DALLAS...SOUTHERN
LINCOLN...CLEVELAND...EASTERN OUACHITA...NORTHERN BRADLEY...NORTHERN
CALHOUN AND NORTHWESTERN DREW COUNTIES UNTIL 945 PM CDT...

AT 856 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 2 MILES SOUTH OF
GRAYS LAKE TO NEAR HIGHLAND INDSTRL PK...AND MOVING EAST AT 30 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER IS EXPECTED WITH THESE STORMS.

* LOCATIONS IMPACTED INCLUDE...
  WARREN...             STAR CITY...          RISON...
  HAMPTON...            GRAYS LAKE...         FORDYCE...
  WILMAR...             WEEKS...              TRI COUNTY LAKE...
  TOLEDO...             TIPTON...             THORNTON...
  RYE...                PLANTERSVILLE...      MT ELBA...
  LANARK...             LAKE MONTICELLO...    KINGSLAND...

LAT...LON 3397 9155 3345 9205 3356 9281 3400 9231
TIME...MOT...LOC 0156Z 270DEG 28KT 3394 9227 3363 9262

224

Special weather statement, Apr 20, 9:15 PM CDT, 1 hour 43 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
915 PM CDT WED APR 20 2011

ARZ056-057-064-065-210300-
ARKANSAS AR-DESHA AR-JEFFERSON AR-LINCOLN AR-
915 PM CDT WED APR 20 2011

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL ARKANSAS...SOUTHEASTERN
JEFFERSON...NORTHERN LINCOLN AND NORTHWESTERN DESHA COUNTIES UNTIL
1000 PM CDT...

AT 915 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 4 MILES NORTHWEST OF PHENIX...OR 8 MILES NORTH OF
STAR CITY...MOVING EAST AT 30 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER IS EXPECTED WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  WOODVILLE...          WHITEFIELD...         NEBO...
  LITTLE BAYOU METO PARK...                   LINWOOD...
  LANGFORD...           GRADY...              GOULD...
  GILLETT...            ENGLISH LAKE...       DOUGLAS...
  YORKTOWN...           VARNER...             TARRY...
  SWAN LAKE...          STAPLE...             SARASSA...
  REYDELL...

LAT...LON 3432 9140 3397 9127 3396 9188 3413 9194
TIME...MOT...LOC 0215Z 255DEG 27KT 3407 9180

224

Special weather statement, Apr 20, 9:20 PM CDT, 1 hour 38 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
920 PM CDT WED APR 20 2011

ARZ053-062-066-210305-
CLARK AR-DALLAS AR-OUACHITA AR-
920 PM CDT WED APR 20 2011

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN DALLAS...NORTHERN
OUACHITA AND SOUTHEASTERN CLARK COUNTIES UNTIL 1000 PM CDT...

AT 920 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 2 MILES SOUTHEAST OF BEIRNE...OR 13 MILES
NORTHEAST OF PRESCOTT...MOVING EAST AT 30 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER IS EXPECTED WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  WHELEN SPRINGS...     SPARKMAN...           LUNET...
  GURDON...             BEIRNE...             VADEN...
  TATES BLUFF...        PINE GROVE...         OUACHITA...
  MANNING...            HOLLY SPRINGS...      GRIFFITHTOWN...
  DALARK...             BURTSELL...           TRACE...
  SYCAMORE...           SMITHTON...           SMEAD...

THIS INCLUDES INTERSTATE 30 BETWEEN MILE MARKERS 54 AND 62.

LAT...LON 3376 9311 3378 9311 3381 9313 3381 9318
      3383 9320 3384 9327 3395 9330 3413 9274
      3375 9271
TIME...MOT...LOC 0220Z 255DEG 27KT 3388 9317

224

Special weather statement, Apr 20, 10:28 PM CDT, 30 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1028 PM CDT WED APR 20 2011

ARZ063-067-068-210415-
BRADLEY AR-CALHOUN AR-CLEVELAND AR-
1028 PM CDT WED APR 20 2011

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN CLEVELAND...NORTHERN
BRADLEY AND NORTHERN CALHOUN COUNTIES UNTIL 1115 PM CDT...

AT 1028 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM 5 MILES EAST OF HIGHLAND INDSTRL PK...OR 10
MILES NORTHWEST OF HAMPTON...MOVING EAST AT 30 MPH.

HAIL UP TO THE SIZE OF PENNIES IS EXPECTED WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  WEEKS...              TRI COUNTY LAKE...    TIPTON...
  HEBRON...             HARLOW...             ELLISVILLE...
  CRANE LAKE...         WOODBERRY...          TINSMAN...
  ORLANDO...            NEW EDINBURG...       CHAMBERSVILLE...
  WAGNON...             MARKS MILL BTLGND...  LAKE CATHAY...
  EBENEZER...           BLUE SPRINGS...       BIG HILL...

LAT...LON 3354 9263 3366 9266 3366 9265 3370 9261
      3372 9258 3375 9258 3387 9207 3363 9201
TIME...MOT...LOC 0328Z 257DEG 25KT 3365 9254

56

Local storm report, Apr 20, 10:46 PM CDT, 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1046 PM CDT WED APR 20 2011

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

0915 PM     FLASH FLOOD      MALVERN                 34.37N 92.82W
04/20/2011                   HOT SPRING         AR   LAW ENFORCEMENT

            GRIGSBY FORD ROAD HAS WATER OVER THE ROADWAY. RELAYED BY
            KATV IN LITTLE ROCK.

&&

58

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 20, 7:09 PM CDT	Special Weather Statement	LZK	Arkansas, Lincoln	46 min
Apr 20, 7:26 PM CDT	Special Weather Statement	LZK	Perry	44 min
Apr 20, 7:35 PM CDT	Flash Flood Warning	LZK	Arkansas, Clark, Cleveland, Dallas, Desha, Garland and 7 more	3 hr
Apr 20, 7:51 PM CDT	Special Weather Statement	LZK	Cleveland, Grant, Jefferson	44 min
Apr 20, 8:02 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Perry, Pope, Yell	25 min
Apr 20, 8:30 PM CDT	Special Weather Statement	LZK	Clark	45 min
Apr 20, 8:55 PM CDT	Special Weather Statement	LZK	Calhoun, Cleveland, Lincoln	45 min
Apr 20, 9:15 PM CDT	Special Weather Statement	LZK	Lincoln	45 min
Apr 20, 9:20 PM CDT	Special Weather Statement	LZK	Clark	45 min
Apr 20, 10:28 PM CDT	Special Weather Statement	LZK	Calhoun	47 min
Apr 20, 10:34 PM CDT	Severe Thunderstorm Warning	LZK	Bradley, Calhoun, Cleveland	26 min
Apr 20, 10:45 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Pike	30 min
Apr 21, 12:15 AM CDT	Severe Thunderstorm Warning	LZK	Bradley, Calhoun, Cleveland, Dallas	30 min
Apr 21, 12:28 AM CDT	Severe Thunderstorm Warning	LZK	Bradley, Calhoun	35 min
Apr 21, 1:21 AM CDT	Flash Flood Warning	LZK	Clark, Dallas, Ouachita	3 hr
Apr 21, 2:16 AM CDT	Flash Flood Warning	LZK	Bradley, Calhoun, Cleveland, Dallas, Ouachita	2 hr
Apr 21, 4:47 AM CDT	Flash Flood Warning	LZK	Bradley, Calhoun, Clark, Cleveland, Dallas, Ouachita	2 hr
Apr 21, 9:09 AM CDT	River Flood Advisory	LZK	Clark, Hot Spring	36 hr
Apr 21, 9:09 AM CDT	River Flood Advisory	LZK	Calhoun, Ouachita	36 hr
Apr 21, 10:15 AM CDT	River Flood Advisory	LZK	White, Woodruff	36 hr
Apr 21, 10:52 AM CDT	Special Weather Statement	LZK	Polk	48 min
Apr 21, 11:35 AM CDT	Special Weather Statement	LZK	Polk	30 min
Apr 21, 11:58 AM CDT	Special Weather Statement	LZK	Pike	62 min
Apr 21, 12:01 PM CDT	Special Weather Statement	LZK	Montgomery	59 min
Apr 21, 1:02 PM CDT	Special Weather Statement	LZK	Montgomery, Pike, Scott	43 min
Apr 21, 1:44 PM CDT	Special Weather Statement	LZK	Dallas	61 min
Apr 21, 1:45 PM CDT	Special Weather Statement	LZK	Montgomery, Scott	45 min
Apr 21, 5:13 PM CDT	Special Weather Statement	LZK	Hot Spring	47 min
Apr 21, 5:49 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Scott	24 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.