Alert archive / Arkansas / Tornado Warnings in 2016

Tornado Warning 39, NWS Little Rock, AR

December 26, 2016Cleburne County, White County, Arkansas

NWS Little Rock, AR issued this tornado warning at Dec 26, 2016, 4:57 PM CST for Cleburne County, White County, Arkansas. It was in force for 19 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 26, 2016, 4:57 PM CST (22:57 UTC)
Expired: Dec 26, 2016, 5:16 PM CST
In force: 19 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Cleburne County, AR, White County, AR

The radar

The Little Rock radar (KLZK), 77 km from the middle of the area, began a volume at 22:59 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 (KBYH), launched 12:00Z, 11.0 hours before the alert went out and 171 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: 456 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 581 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 279 m²/s²
0-3 km storm-relative helicity: 328 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 5.2

Open this sounding in Storm Lab

The text

As transmitted.

928 
WFUS54 KLZK 262257
TORLZK
ARC023-145-262330-
/O.NEW.KLZK.TO.W.0039.161226T2257Z-161226T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Little Rock AR
457 PM CST MON DEC 26 2016

The National Weather Service in Little Rock has issued a

* Tornado Warning for...
  Central White County in central Arkansas...
  Southeastern Cleburne County in north central Arkansas...

* Until 530 PM CST
    
* At 457 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Gravel Hill, or 10 miles west of Searcy, moving
  northeast at 25 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* Locations impacted include...
  Searcy...                         Bald Knob...
  Judsonia...                       Pangburn...
  Russell...                        Crosby...
  Steprock...                       Gravel Hill...
  Letona...                         Albion...
  Antioch in White County...        Velvet Ridge...
  Dewey...                          Armstrong Springs...
  Denmark...                        Joy...
  Roosevelt...                      Plainview in White County...
  Providence...                     Clay...

This includes US Highway 67 between mile markers 47 and 54, and near
mile marker 62.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3511 9191 3524 9206 3554 9174 3553 9164
      3549 9158 3545 9159 3544 9153 3539 9147
TIME...MOT...LOC 2257Z 226DEG 22KT 3523 9192 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

62

2 follow-up statements

971 
WWUS54 KLZK 262305
SVSLZK

Severe Weather Statement
National Weather Service Little Rock AR
505 PM CST MON DEC 26 2016

ARC023-262314-
/O.CAN.KLZK.TO.W.0039.000000T0000Z-161226T2330Z/
Cleburne AR-
505 PM CST MON DEC 26 2016

...THE TORNADO WARNING FOR SOUTHEASTERN CLEBURNE COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3518 9181 3516 9197 3522 9202 3536 9190
      3536 9186 3542 9185 3546 9179 3554 9174
      3553 9164 3549 9158 3544 9158 3544 9153
      3539 9147
TIME...MOT...LOC 2304Z 226DEG 22KT 3526 9188 

$$

ARC145-262330-
/O.CON.KLZK.TO.W.0039.000000T0000Z-161226T2330Z/
White AR-
505 PM CST MON DEC 26 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CST FOR CENTRAL
WHITE COUNTY...
    
At 504 PM CST, a severe thunderstorm capable of producing a tornado
was located over Crosby, or 8 miles west of Searcy, moving northeast
at 25 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

Locations impacted include...
Searcy...                         Bald Knob...
Judsonia...                       Pangburn...
Russell...                        Crosby...
Steprock...                       Gravel Hill...
Letona...                         Albion...
Velvet Ridge...                   Clay...
Center Hill...                    Dewey...
Armstrong Springs...              Hickory Flat...
Sunnydale...                      Floyd...
Pickens in White County...        Denmark...

This includes US Highway 67 between mile markers 47 and 53, and near
mile marker 62.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3518 9181 3516 9197 3522 9202 3536 9190
      3536 9186 3542 9185 3546 9179 3554 9174
      3553 9164 3549 9158 3544 9158 3544 9153
      3539 9147
TIME...MOT...LOC 2304Z 226DEG 22KT 3526 9188 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

62

572 
WWUS54 KLZK 262316
SVSLZK

Severe Weather Statement
National Weather Service Little Rock AR
516 PM CST MON DEC 26 2016

ARC145-262326-
/O.CAN.KLZK.TO.W.0039.000000T0000Z-161226T2330Z/
White AR-
516 PM CST MON DEC 26 2016

...THE TORNADO WARNING FOR CENTRAL WHITE COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened, and no longer
appears capable of producing a tornado. Therefore, the warning has
been cancelled. However gusty winds and heavy rain are still possible
with this thunderstorm.

LAT...LON 3518 9181 3516 9197 3522 9202 3536 9190
      3536 9186 3542 9185 3546 9179 3554 9174
      3553 9164 3549 9158 3544 9158 3544 9153
      3539 9147
TIME...MOT...LOC 2315Z 226DEG 22KT 3531 9181 

$$

62

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 26, 12:17 PM CST	Special Weather Statement	LZK	Cleburne	28 min
Dec 26, 12:53 PM CST	Special Weather Statement	LZK	Faulkner	37 min
Dec 26, 1:48 PM CST	Special Weather Statement	LZK	White	27 min
Dec 26, 2:16 PM CST	Special Weather Statement	LZK	Montgomery	29 min
Dec 26, 2:48 PM CST	Special Weather Statement	LZK	Pike	42 min
Dec 26, 3:38 PM CST	Special Weather Statement	LZK	Faulkner	52 min
Dec 26, 4:41 PM CST	Special Weather Statement	LZK	Clark	34 min
Dec 26, 4:47 PM CST	Special Weather Statement	LZK	White	43 min
Dec 26, 5:20 PM CST	Special Weather Statement	LZK	Cleveland, Lincoln	40 min

Nearby

Tornado Warnings in Arkansas, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.