Alert archive / Arkansas / Tornado Warnings in 2012

Tornado Warning 2, NWS Little Rock, AR

January 22, 20124 counties in Arkansas

NWS Little Rock, AR issued this tornado warning at Jan 22, 2012, 6:36 PM CST for 4 counties in 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 outline as issued.

The facts

Issued: Jan 22, 2012, 6:36 PM CST (00:36 UTC)
Expired: Jan 22, 2012, 7:00 PM CST
In force: 24 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon

Counties Dallas County, AR, Grant County, AR, Hot Spring County, AR, Jefferson County, AR

The radar

The Little Rock radar (KLZK), 70 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.

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 227 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.

549 
WFUS54 KLZK 230036
TORLZK
ARC039-053-059-069-230100-
/O.NEW.KLZK.TO.W.0002.120123T0036Z-120123T0100Z/

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

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL JEFFERSON COUNTY IN SOUTHEAST ARKANSAS...
  SOUTHEASTERN HOT SPRING COUNTY IN SOUTHWEST ARKANSAS...
  GRANT COUNTY IN CENTRAL ARKANSAS...
  NORTHERN DALLAS COUNTY IN SOUTHWEST ARKANSAS...

* UNTIL 700 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 11 MILES SOUTHWEST OF LEOLA...OR 18 MILES EAST OF
  ARKADELPHIA. DOPPLER RADAR SHOWED THIS SEVERE STORM MOVING
  NORTHEAST AT 55 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...
  SHERIDAN...           THIEL...              PRATTSVILLE...
  ORION...              LEOLA...              DOGWOOD...
  CANE CREEK...         WILLOW...             TULIP...
  SULPHUR SPRINGS...    PRAGUE...             LONO...
  HARDIN...             GRAPEVINE...          BUNN...
  STEPHENS LAKE...      SLABTOWN...           SHERIDAN MUNI ARPT...

THIS INCLUDES INTERSTATE 530 BETWEEN MILE MARKERS 21 AND 30.

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 3405 9281 3416 9286 3450 9226 3449 9222
      3416 9207
TIME...MOT...LOC 0036Z 244DEG 50KT 3412 9270

$$

62

1 follow-up statement

625 
WWUS54 KLZK 230050
SVSLZK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
650 PM CST SUN JAN 22 2012

ARC039-053-059-069-230100-
/O.CON.KLZK.TO.W.0002.000000T0000Z-120123T0100Z/
DALLAS AR-GRANT AR-HOT SPRING AR-JEFFERSON AR-
650 PM CST SUN JAN 22 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR WEST CENTRAL JEFFERSON...
SOUTHEASTERN HOT SPRING...GRANT AND NORTH CENTRAL DALLAS COUNTIES
UNTIL 700 PM CST...

AT 645 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO. ONE 
POTENTIAL TORNADO WAS LOCATED 3 MILES SOUTHWEST OF SHERIDAN. ANOTHER 
POSSIBLE TORNADO WAS LOCATION NEAR LEOLA. THESE STORMS WERE MOVING 
NORTHEAST AT 55 MPH. IN ADDITION TO THE TORNADO...THIS STORM IS 
CAPABLE OF PRODUCING LARGE DAMAGING HAIL UP TO GOLF BALL SIZE.

* LOCATIONS IN OR NEAR THE PATH OF THIS LINE OF DANGEROUS STORMS
INCLUDE...
  SHERIDAN...           THIEL...              PRATTSVILLE...
  ORION...              LEOLA...              DOGWOOD...
  CANE CREEK...         SULPHUR SPRINGS...    PRAGUE...
  HARDIN...             GRAPEVINE...          STEPHENS LAKE...
  SLABTOWN...           SHERIDAN MUNI ARPT... OAKLAND HEIGHTS...
  MILLERVILLE...        JUNET...              JENKINS FERRY...

THIS INCLUDES INTERSTATE 530 BETWEEN MILE MARKERS 18 AND 30.

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 3411 9273 3424 9268 3449 9227 3449 9222
      3416 9207
TIME...MOT...LOC 0049Z 232DEG 46KT 3432 9242 3420 9255

$$

62

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, 6:43 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.