Alert archive / Arkansas / Tornado Warnings in 2012

Tornado Warning 1, NWS Little Rock, AR

January 22, 2012Calhoun County, Dallas County, Ouachita County, Arkansas

NWS Little Rock, AR issued this tornado warning at Jan 22, 2012, 6:35 PM CST for Calhoun County, Dallas County, Ouachita County, Arkansas. It was in force for 40 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jan 22, 2012, 6:35 PM CST (00:35 UTC)
Expired: Jan 22, 2012, 7:15 PM CST
In force: 40 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon

Counties Calhoun County, AR, Dallas County, AR, Ouachita County, AR

The radar

The Little Rock radar (KLZK), 147 km from the middle of the area, began a volume at 00:36 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.

What was reported inside it

Time	Report	Where	Remark
Jan 22, 7:02 PM CST	TSTM WND DMG	3 S Chidester, AR	TREES DOWN AT WHITE OAK LAKE ACROSS HIGHWAY 57

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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

Shreveport, LA (KSHV), launched 00:00Z, 0.6 hours before the alert went out and 149 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: 1190 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1056 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 235 m²/s²
0-3 km storm-relative helicity: 339 m²/s²
Significant tornado parameter: 1.8
Supercell composite: 6.9

Open this sounding in Storm Lab

The text

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

511 
WFUS54 KLZK 230035
TORLZK
ARC013-039-103-230115-
/O.NEW.KLZK.TO.W.0001.120123T0035Z-120123T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
635 PM CST SUN JAN 22 2012

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN OUACHITA COUNTY IN SOUTHWEST ARKANSAS...
  SOUTH CENTRAL DALLAS COUNTY IN SOUTHWEST ARKANSAS...
  NORTHWESTERN CALHOUN COUNTY IN SOUTHWEST ARKANSAS...

* UNTIL 715 PM CST

* AT 632 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS SEVERE
  STORM WAS LOCATED 7 MILES SOUTH OF WHITE OAK LAKE...OR 13 MILES
  WEST OF CAMDEN. DOPPLER RADAR SHOWED THIS SEVERE STORM MOVING
  NORTHEAST AT 70 MPH. IN ADDITION TO THE TORNADO...THIS STORM IS
  CAPABLE OF PRODUCING LARGE DAMAGING HAIL UP TO GOLF BALL SIZE.

* LOCATIONS IN THE PATH OF THIS DANGEROUS STORM INCLUDE...
  LUNET...              LESTER...             HARLOW...
  BEARDEN...            WARNER...             TROY...
  PINE GROVE...         MILLVILLE...          HOLLY SPRINGS...
  HARMONY GROVE...      EAST CAMDEN...        EAGLE MILLS...
  CHIDESTER...          AMY...                VELIE...
  VANDUZER...           SPRING HILL...        SMEAD...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3348 9308 3357 9313 3365 9311 3393 9269
      3370 9251
TIME...MOT...LOC 0035Z 235DEG 60KT 3360 9303

$$

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, 6:36 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, 8:59 PM CST	Severe Thunderstorm Warning	LZK	Arkansas, Monroe	16 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

Tornado Warnings in Arkansas, 2012 Every tornado warning in 2012 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.