Alert archive / Arkansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 21, NWS Little Rock, AR

January 22, 2012Arkansas County, Monroe County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jan 22, 2012, 8:59 PM CST for Arkansas County, Monroe County, Arkansas. It was in force for 16 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: Jan 22, 2012, 8:59 PM CST (02:59 UTC)
Expired: Jan 22, 2012, 9:15 PM CST
In force: 16 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon

Counties Arkansas County, AR, Monroe County, AR

The radar

The Little Rock radar (KLZK), 123 km from the middle of the area, began a volume at 02:58 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.

Issued	Product	Office	Lasted
Jan 22, 5:16 PM CST	Tornado Watch PDS	SPC	6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 3.0 hours before the alert went out and 123 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: 998 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 455 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 475 m²/s²
0-3 km storm-relative helicity: 474 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 10.8

Open this sounding in Storm Lab

The text

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

601 
WUUS54 KLZK 230259
SVRLZK
ARC001-095-230315-
/O.NEW.KLZK.SV.W.0021.120123T0259Z-120123T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
859 PM CST SUN JAN 22 2012

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL ARKANSAS COUNTY IN SOUTHEAST ARKANSAS...
  EXTREME SOUTHEASTERN MONROE COUNTY IN EASTERN ARKANSAS...

* UNTIL 915 PM CST

* AT 854 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
  LOCATED 6 MILES SOUTH OF DE WITT...OR 13 MILES NORTHWEST OF WHITE
  RIVER NWR...AND MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ETHEL...              DE LUCE...            WRIGHT LAKE...
  WARD RESERVOIR...     TURNER LAKE...        STAR LAKE...
  SHEPPARD POINT...     PRICES LAKE...        PRAIRIE UNION...
  MITCHELL LAKE...      MILLER LAKE...        MCKEWEN LAKE...
  MAYVIEW...            LOWER WHITE LAKE...   LOWE LAKE...
  LAKE ROSEBUD...       LAGRUE SPRINGS...     LA FARGUE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CST MONDAY MORNING
FOR ARKANSAS.

LAT...LON 3433 9105 3429 9105 3429 9107 3422 9105
      3419 9108 3414 9109 3415 9137 3428 9139
      3439 9099 3434 9099
TIME...MOT...LOC 0259Z 251DEG 45KT 3423 9125

$$

64

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 22, 6:03 PM CST	Severe Thunderstorm Warning	LZK	Faulkner, Lonoke, Pulaski, White	27 min
Jan 22, 6:20 PM CST	Severe Thunderstorm Warning	LZK	Cleburne, White	25 min
Jan 22, 6:26 PM CST	Severe Thunderstorm Warning	LZK	Clark, Dallas, Grant, Hot Spring, Jefferson, Saline	49 min
Jan 22, 6:28 PM CST	Severe Thunderstorm Warning	LZK	Garland, Saline	32 min
Jan 22, 6:32 PM CST	Severe Thunderstorm Warning	LZK	Calhoun, Dallas, Ouachita	28 min
Jan 22, 6:35 PM CST	Tornado Warning	LZK	Calhoun, Dallas, Ouachita	40 min
Jan 22, 6:36 PM CST	Tornado Warning	LZK	Dallas, Grant, Hot Spring, Jefferson	24 min
Jan 22, 6:43 PM CST	Severe Thunderstorm Warning	LZK	Independence, Jackson, White, Woodruff	32 min
Jan 22, 6:46 PM CST	Special Weather Statement	LZK	Garland	29 min
Jan 22, 6:49 PM CST	Severe Thunderstorm Warning	LZK	Independence, Jackson, Sharp	41 min
Jan 22, 6:58 PM CST	Severe Thunderstorm Warning	LZK	Independence, Jackson, White, Woodruff	47 min
Jan 22, 6:58 PM CST	Severe Thunderstorm Warning	LZK	Lonoke, Prairie, Pulaski, White	47 min
Jan 22, 6:58 PM CST	Tornado Warning	LZK	Grant, Jefferson, Lonoke, Pulaski	32 min
Jan 22, 7:01 PM CST	Tornado Warning	LZK	Calhoun, Cleveland, Dallas, Ouachita	29 min
Jan 22, 7:09 PM CST	Severe Thunderstorm Warning	LZK	Independence, Jackson	51 min
Jan 22, 7:10 PM CST	Severe Thunderstorm Warning	LZK	Calhoun, Dallas, Ouachita	35 min
Jan 22, 7:25 PM CST	Tornado Warning Emergency	LZK	Cleveland, Dallas, Jefferson, Lincoln	50 min
Jan 22, 7:29 PM CST	Tornado Warning	LZK	Arkansas, Jefferson, Lonoke, Monroe, Prairie	31 min
Jan 22, 7:32 PM CST	Severe Thunderstorm Warning	LZK	Jackson, Monroe, Prairie, White, Woodruff	43 min
Jan 22, 7:34 PM CST	Severe Thunderstorm Warning	LZK	Grant, Hot Spring, Jefferson, Pulaski, Saline	26 min
Jan 22, 7:38 PM CST	Severe Thunderstorm Warning	LZK	Jackson, White, Woodruff	52 min
Jan 22, 7:44 PM CST	Severe Thunderstorm Warning	LZK	Calhoun, Cleveland, Dallas, Jefferson, Lincoln	46 min
Jan 22, 7:48 PM CST	Tornado Warning	LZK	Arkansas, Jefferson, Lonoke, Prairie, Pulaski	27 min
Jan 22, 7:55 PM CST	Tornado Warning	LZK	Monroe, Prairie, Woodruff	35 min
Jan 22, 8:02 PM CST	Tornado Warning	LZK	Arkansas, Jefferson, Lincoln	28 min
Jan 22, 8:07 PM CST	Special Weather Statement	LZK	Ouachita	43 min
Jan 22, 8:08 PM CST	Severe Thunderstorm Warning	LZK	Jackson, Monroe, Prairie, Woodruff	52 min
Jan 22, 8:12 PM CST	Tornado Warning	LZK	Arkansas, Lonoke, Monroe, Prairie	33 min
Jan 22, 8:13 PM CST	Tornado Warning	LZK	Arkansas, Cleveland, Jefferson, Lincoln	47 min
Jan 22, 8:24 PM CST	Severe Thunderstorm Warning	LZK	Cleveland, Jefferson, Lincoln	33 min
Jan 22, 8:27 PM CST	Tornado Warning	LZK	Arkansas, Jefferson, Monroe	48 min
Jan 22, 8:41 PM CST	Severe Thunderstorm Warning	LZK	Monroe, Prairie	19 min
Jan 22, 8:53 PM CST	Severe Thunderstorm Warning	LZK	Bradley, Calhoun, Cleveland	19 min
Jan 22, 9:07 PM CST	River Flood Advisory	LZK	Independence, Jackson, Lawrence	13 hr
Jan 22, 9:15 PM CST	Severe Thunderstorm Warning	LZK	Arkansas, Monroe	30 min
Jan 22, 9:17 PM CST	Severe Thunderstorm Warning	LZK	Desha, Drew, Lincoln	28 min
Jan 22, 9:40 PM CST	Severe Thunderstorm Warning	LZK	Arkansas, Desha, Drew	35 min
Jan 22, 9:51 PM CST	Severe Thunderstorm Warning	LZK	Bradley, Drew	24 min
Jan 23, 9:50 AM CST	River Flood Warning	LZK	Jackson, Woodruff	33 days

Nearby

Severe Thunderstorm Warnings in Arkansas, 2012 Every 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.