Alert archive / Arkansas / Special Weather Statements in 2012

Special Weather Statement, NWS Little Rock, AR

December 4, 2012Arkansas County, Lincoln County, Arkansas

NWS Little Rock, AR issued this special weather statement at Dec 4, 2012, 1:25 PM CST for Arkansas County, Lincoln County, Arkansas. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Dec 4, 2012, 1:25 PM CST (19:25 UTC)
Expired
Dec 4, 2012, 2:10 PM CST
In force
45 min
Issued by
NWS Little Rock, AR

Counties Arkansas County, AR, Lincoln County, AR

The radar

The Little Rock radar (KLZK), 127 km from the middle of the area, began a volume at 19:25 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

Jackson, MS (KJAN), launched 12:00Z, 7.4 hours before the alert went out and 229 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, Jackson, MS at 12:00Z on 2012-12-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 177 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, Jackson, MS at 12:00Z on 2012-12-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 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
177 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
670 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Dec 4, 12:02 PM CST, 1 hour 23 minutes earlier.

Area forecast discussion, Dec 4, 12:02 PM CST, 1 hour 23 minutes before
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Hazardous weather outlook, Dec 4, 5:00 AM CST, 8 hours 25 minutes before
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In the hours before

Special weather statement, Dec 4, 8:31 AM CST, 4 hours 54 minutes before
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Special weather statement, Dec 4, 8:57 AM CST, 4 hours 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
857 AM CST TUE DEC 4 2012

ARZ022-031-032-037>044-052>054-041555-
CLARK AR-CONWAY AR-FAULKNER AR-GARLAND AR-HOT SPRING AR-MONTGOMERY
AR-PERRY AR-PIKE AR-POLK AR-POPE AR-PULASKI AR-SALINE AR-SCOTT
AR-YELL AR-
857 AM CST TUE DEC 4 2012

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN YELL...SOUTHEASTERN
SCOTT...NORTHWESTERN SALINE...WESTERN PULASKI...SOUTHEASTERN POPE...
NORTHEASTERN POLK...NORTHERN PIKE...PERRY...MONTGOMERY...NORTHWESTERN
HOT SPRING...GARLAND...SOUTHWESTERN FAULKNER...CONWAY AND EXTREME
NORTHWESTERN CLARK COUNTIES UNTIL 1000 AM CST...

AT 850 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 2 MILES EAST OF ST.
VINCENT TO 11 MILES NORTHWEST OF ODEN...AND MOVING SOUTH AT 35 MPH.

ADDITIONALLY...A FEW STRONG STORMS HAD DEVELOPED BETWEEM BIGELOW AND
OVERCUP.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THESE STORMS...ALONG WITH HEAVY RAIN AND FREQUENT
DANGEROUS LIGHTNING.

* LOCATIONS IMPACTED INCLUDE...
  PINEY...              WEST LITTLE ROCK...   PERRYVILLE...
  MT IDA...             MORRILTON...          MAUMELLE...
  LAKE OUACHITA...      LAKE MAUMELLE...      LAKE HAMILTON...
  LAKE GREESON...       HOT SPRINGS...        WILLIAMS JUNCTION...
  TOAD SUCK...          ST. VINCENT...        SOLGOHACHIA...
  SEGUR...              ROLAND...             ROCKWELL...

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 95 AND 120.

THIS INCLUDES INTERSTATE 430 BETWEEN MILE MARKERS 3 AND 10.

THIS INCLUDES INTERSTATE 630 BETWEEN MILE MARKERS 6 AND 7.

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 3539 9262 3472 9235 3406 9378 3473 9406
TIME...MOT...LOC 1454Z 341DEG 29KT 3526 9268 3469 9393

/28
Special weather statement, Dec 4, 9:28 AM CST, 3 hours 57 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
928 AM CST TUE DEC 4 2012

ARZ031>034-039-043>047-041630-
CONWAY AR-FAULKNER AR-LONOKE AR-MONROE AR-PERRY AR-PRAIRIE AR-PULASKI
AR-SALINE AR-WHITE AR-WOODRUFF AR-
928 AM CST TUE DEC 4 2012

...SIGNIFICANT WEATHER ADVISORY FOR WOODRUFF...SOUTHERN WHITE...
EASTERN SALINE...PULASKI...PRAIRIE...NORTHEASTERN PERRY...NORTHERN
MONROE...NORTHERN LONOKE...SOUTHERN FAULKNER AND SOUTHEASTERN CONWAY
COUNTIES UNTIL 1030 AM CST...

AT 924 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 9 MILES SOUTH OF
HICKORY RIDGE TO NEAR TOAD SUCK...AND MOVING SOUTHEAST AT 25 MPH.

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

* LOCATIONS IMPACTED INCLUDE...
  WEST LITTLE ROCK...   SW LITTLE ROCK...     SHERWOOD...
  SEARCY...             N LITTLE ROCK ARPT... NORTH LITTLE ROCK...
  MAUMELLE...           LONOKE...             LITTLE ROCK AFB...
  JACKSONVILLE...       HAZEN...              DWNTWN LITTLE ROCK...
  LITTLE ROCK ARPT...   DES ARC...            DE VALLS BLUFF...
  CONWAY...             CABOT...              BRINKLEY...

THIS INCLUDES INTERSTATE 30 BETWEEN MILE MARKERS 130 AND 142.

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 114 AND 218.

THIS INCLUDES INTERSTATE 430 BETWEEN MILE MARKERS 2 AND 12.

THIS INCLUDES INTERSTATE 440 BETWEEN MILE MARKERS 1 AND 14.

THIS INCLUDES INTERSTATE 530 BETWEEN MILE MARKERS 1 AND 5.

THIS INCLUDES INTERSTATE 630 BETWEEN MILE MARKERS 1 AND 7.

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 3499 9105 3499 9114 3492 9114 3491 9111
      3487 9111 3486 9109 3476 9110 3462 9237
      3515 9272 3535 9104 3501 9103
TIME...MOT...LOC 1528Z 333DEG 23KT 3525 9100 3507 9255

/28
Special weather statement, Dec 4, 10:18 AM CST, 3 hours 7 minutes before
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Special weather statement, Dec 4, 11:12 AM CST, 2 hours 13 minutes before
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Special weather statement, Dec 4, 1:25 PM CST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 4, 7:28 AM CSTSpecial Weather StatementLZKCleburne, Pope, Van Buren62 min
Dec 4, 8:16 AM CSTSpecial Weather StatementLZKConway, Van Buren, Yell44 min
Dec 4, 8:31 AM CSTSpecial Weather StatementLZKConway, Faulkner, Jackson, Prairie, White, Woodruff59 min
Dec 4, 8:57 AM CSTSpecial Weather StatementLZKConway, Garland, Montgomery, Perry, Pike, Saline and 1 more58 min
Dec 4, 9:28 AM CSTSpecial Weather StatementLZKFaulkner, Lonoke, Prairie, Pulaski, White, Woodruff62 min
Dec 4, 10:18 AM CSTSpecial Weather StatementLZKClark, Garland, Hot Spring, Lonoke, Monroe, Perry and 4 more62 min
Dec 4, 11:12 AM CSTSpecial Weather StatementLZKClark, Hot Spring, Lonoke, Monroe, Prairie, Pulaski and 1 more58 min
Dec 4, 12:16 PM CSTAreal Flood AdvisoryLZKLonoke, Prairie104 min
Dec 4, 1:03 PM CSTAreal Flood AdvisoryLZKArkansas, Jefferson, Lonoke, Prairie117 min
Dec 4, 2:04 PM CSTAreal Flood AdvisoryLZKArkansas, Cleveland, Jefferson, Lincoln116 min
Dec 4, 2:49 PM CSTSpecial Weather StatementLZKCalhoun, Cleveland, Lincoln61 min

Nearby

Special Weather Statements in Arkansas, 2012Every special weather statement 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.