Alert archive / Arkansas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 280, NWS Little Rock, AR

July 18, 2013Lonoke County, Prairie County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jul 18, 2013, 2:51 PM CDT for Lonoke County, Prairie 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
Jul 18, 2013, 2:51 PM CDT (19:51 UTC)
Expired
Jul 18, 2013, 3:15 PM CDT
In force
24 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon

Counties Lonoke County, AR, Prairie County, AR

The radar

The Little Rock radar (KLZK), 50 km from the middle of the area, began a volume at 19:50 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

Little Rock, AR (KLZK), launched 12:00Z, 7.9 hours before the alert went out and 162 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 2013-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1817 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 2013-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.1939Sfc1 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
1817 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
1227 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
16 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

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 Jul 18, 2:50 PM CDT, 1 minute earlier.

Area forecast discussion, Jul 18, 2:50 PM CDT, 1 minute before
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Hazardous weather outlook, Jul 18, 12:54 PM CDT, 1 hour 57 minutes before
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In the hours before

Special weather statement, Jul 18, 1:27 PM CDT, 1 hour 24 minutes before
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Special weather statement, Jul 18, 1:41 PM CDT, 1 hour 10 minutes before
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Special weather statement, Jul 18, 1:43 PM CDT, 1 hour 8 minutes before
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Special weather statement, Jul 18, 1:54 PM CDT, 57 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
154 PM CDT THU JUL 18 2013

ARZ046-047-057-181925-
ARKANSAS AR-MONROE AR-PRAIRIE AR-
154 PM CDT THU JUL 18 2013

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN PRAIRIE...WESTERN
MONROE AND NORTHERN ARKANSAS COUNTIES UNTIL 230 PM CDT...

AT 153 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR ULM...OR 9 MILES NORTHEAST OF STUTTGART...
MOVING WEST AT 5 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT
DANGEROUS LIGHTNING.

* LOCATIONS IMPACTED INCLUDE...
  STUTTGART...          CLARENDON...          ULM...
  STUTTGART MUNI ARPT...                      ROE...
  SLOVAK...             FAIRMOUNT...          DUNCAN...
  CASSCOE...            ABERDEEN...

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

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 3454 9122 3443 9157 3462 9165 3464 9164
      3464 9166 3472 9128
TIME...MOT...LOC 1854Z 071DEG 4KT 3459 9145

62
Special weather statement, Jul 18, 2:18 PM CDT, 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
218 PM CDT THU JUL 18 2013

ARZ024-182005-
CLEBURNE AR-
218 PM CDT THU JUL 18 2013

...SIGNIFICANT WEATHER ADVISORY FOR CLEBURNE COUNTY UNTIL 300 PM
CDT...

AT 215 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 5 MILES SOUTHWEST OF CONCORD...OR 11 MILES
NORTHEAST OF HEBER SPRINGS...MOVING SOUTHWEST AT 10 MPH.

HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT
DANGEROUS LIGHTNING.

* LOCATIONS IMPACTED INCLUDE...
  HEBER SPRINGS...      CONCORD...            WILBURN...
  IDA...                DRASCO...             DAM SITE MARINA...
  BROWNSVILLE...

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

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 3541 9203 3563 9214 3571 9192 3564 9181
      3551 9180
TIME...MOT...LOC 1918Z 062DEG 7KT 3560 9190

44
Special weather statement, Jul 18, 2:46 PM CDT, 5 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 12:08 PM CDTSpecial Weather StatementLZKFaulkner32 min
Jul 18, 12:25 PM CDTSevere Thunderstorm WarningLZKFaulkner, White35 min
Jul 18, 12:37 PM CDTSpecial Weather StatementLZKWhite33 min
Jul 18, 12:46 PM CDTSpecial Weather StatementLZKFaulkner29 min
Jul 18, 1:27 PM CDTSpecial Weather StatementLZKJefferson28 min
Jul 18, 1:41 PM CDTSpecial Weather StatementLZKSharp44 min
Jul 18, 1:43 PM CDTSpecial Weather StatementLZKArkansas32 min
Jul 18, 1:54 PM CDTSpecial Weather StatementLZKMonroe31 min
Jul 18, 2:18 PM CDTSpecial Weather StatementLZKCleburne47 min
Jul 18, 2:46 PM CDTSpecial Weather StatementLZKPrairie29 min
Jul 18, 3:11 PM CDTSpecial Weather StatementLZKDrew29 min
Jul 18, 3:11 PM CDTSevere Thunderstorm WarningLZKLonoke, Prairie34 min
Jul 18, 3:29 PM CDTFlash Flood WarningLZKDrew2 hr
Jul 18, 4:54 PM CDTSpecial Weather StatementLZKWoodruff46 min
Jul 18, 4:55 PM CDTSpecial Weather StatementLZKCalhoun45 min
Jul 18, 5:57 PM CDTSpecial Weather StatementLZKClark28 min
Jul 18, 6:03 PM CDTSpecial Weather StatementLZKClark32 min
Jul 18, 6:09 PM CDTSpecial Weather StatementLZKJackson31 min
Jul 18, 6:12 PM CDTSpecial Weather StatementLZKSharp28 min
Jul 18, 6:15 PM CDTSevere Thunderstorm WarningLZKSharp30 min
Jul 18, 6:38 PM CDTSpecial Weather StatementLZKSharp47 min
Jul 18, 6:46 PM CDTSpecial Weather StatementLZKJackson29 min
Jul 18, 6:51 PM CDTSpecial Weather StatementLZKJohnson29 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2013Every severe thunderstorm warning in 2013

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.