Alert archive / Arkansas / Tornado Warnings in 2021

Tornado Warning 54, NWS Little Rock, AR

December 29, 20214 counties in Arkansas

NWS Little Rock, AR issued this tornado warning at Dec 29, 2021, 2:46 PM CST for 4 counties in Arkansas. It was in force for 15 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 29, 2021, 2:46 PM CST (20:46 UTC)
Expired
Dec 29, 2021, 3:01 PM CST
In force
15 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Arkansas County, AR, Desha County, AR, Drew County, AR, Lincoln County, AR

The radar

The Little Rock radar (KLZK), 142 km from the middle of the area, began a volume at 20:47 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.

IssuedProductOfficeLasted
Dec 29, 12:05 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 8.8 hours before the alert went out and 142 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, Little Rock, AR at 12:00Z on 2021-12-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2021-12-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1900 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

767 
WFUS54 KLZK 292046
TORLZK
ARC001-041-043-079-292130-
/O.NEW.KLZK.TO.W.0054.211229T2046Z-211229T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Little Rock AR
246 PM CST Wed Dec 29 2021

The National Weather Service in Little Rock has issued a

* Tornado Warning for...
  Northern Desha County in southeastern Arkansas...
  Northeastern Drew County in southeastern Arkansas...
  Southeastern Lincoln County in southeastern Arkansas...
  Southeastern Arkansas County in southeastern Arkansas...

* Until 330 PM CST.
    
* At 245 PM CST, a severe thunderstorm capable of producing a tornado
  was located 7 miles southwest of Mills, or 10 miles west of Dumas,
  moving east at 50 mph.

  HAZARD...Tornado and quarter size hail.

  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...
  Dumas...                          Mitchellville...
  Watson...                         Winchester...
  Yancopin...                       Omega...
  Mills...                          Merrisach Lake...
  Trusten Holder WMA...             Arkansas Post...
  Garrett Bridge...                 Pendleton...
  Gourd...                          Florence...
  Tyro...                           Rose Hill...
  Reedville...                      Morgan Point Recreation Area...
  Yukon...                          Pickens in Desha County...

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.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Little Rock.

&&

LAT...LON 3402 9099 3398 9096 3396 9097 3397 9100
      3400 9102 3397 9109 3395 9108 3393 9101
      3389 9104 3371 9170 3388 9178 3415 9109
      3414 9108 3412 9112 3412 9099 3402 9094
TIME...MOT...LOC 2045Z 248DEG 43KT 3383 9165 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

44
3 follow-up statements
995 
WWUS54 KLZK 292053
SVSLZK

Severe Weather Statement
National Weather Service Little Rock AR
253 PM CST Wed Dec 29 2021

ARC001-041-043-079-292130-
/O.CON.KLZK.TO.W.0054.000000T0000Z-211229T2130Z/
Desha AR-Drew AR-Lincoln AR-Arkansas AR-
253 PM CST Wed Dec 29 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CST FOR NORTHERN
DESHA...NORTHERN DREW...SOUTHEASTERN LINCOLN AND SOUTHEASTERN
ARKANSAS COUNTIES...
    
At 252 PM CST, a severe thunderstorm capable of producing a tornado
was located near Omega, or near Dumas, moving northeast at 35 mph.

HAZARD...Tornado and quarter size hail.

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...
Dumas...                          Mitchellville...
Watson...                         Yancopin...
Omega...                          Mills...
Merrisach Lake...                 Trusten Holder WMA...
Arkansas Post...                  Garrett Bridge...
Pendleton...                      Gourd...
Reedville...                      Morgan Point Recreation Area...
Yukon...                          Pickens in Desha County...

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.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3402 9099 3398 9096 3396 9097 3397 9100
      3400 9102 3397 9109 3395 9108 3391 9103
      3390 9104 3375 9161 3390 9169 3403 9139
      3413 9111 3412 9112 3412 9099 3402 9094
TIME...MOT...LOC 2052Z 241DEG 30KT 3384 9156 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

44
652 
WWUS54 KLZK 292057
SVSLZK

Severe Weather Statement
National Weather Service Little Rock AR
257 PM CST Wed Dec 29 2021

ARC043-292107-
/O.CAN.KLZK.TO.W.0054.000000T0000Z-211229T2130Z/
Drew AR-
257 PM CST Wed Dec 29 2021

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

A Tornado Watch remains in effect until 700 PM CST for southeastern
Arkansas.

LAT...LON 3402 9099 3398 9096 3396 9097 3397 9100
      3400 9102 3397 9109 3395 9108 3391 9103
      3390 9104 3379 9146 3379 9155 3394 9155
      3403 9139 3413 9111 3412 9112 3412 9099
      3402 9094
TIME...MOT...LOC 2057Z 249DEG 34KT 3385 9151 

$$

ARC001-041-079-292130-
/O.CON.KLZK.TO.W.0054.000000T0000Z-211229T2130Z/
Desha AR-Lincoln AR-Arkansas AR-
257 PM CST Wed Dec 29 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CST FOR NORTHERN
DESHA...EASTERN LINCOLN AND SOUTHEASTERN ARKANSAS COUNTIES...
    
At 257 PM CST, a severe thunderstorm capable of producing a tornado
was located over Dumas, moving east at 40 mph.

HAZARD...Tornado and quarter size hail.

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...
Dumas...                          Mitchellville...
Watson...                         Yancopin...
Omega...                          Merrisach Lake...
Trusten Holder WMA...             Arkansas Post...
Pendleton...                      Reedville...
Morgan Point Recreation Area...   Yukon...
Pickens in Desha County...        

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.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3402 9099 3398 9096 3396 9097 3397 9100
      3400 9102 3397 9109 3395 9108 3391 9103
      3390 9104 3379 9146 3379 9155 3394 9155
      3403 9139 3413 9111 3412 9112 3412 9099
      3402 9094
TIME...MOT...LOC 2057Z 249DEG 34KT 3385 9151 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

44
399 
WWUS54 KLZK 292101
SVSLZK

Severe Weather Statement
National Weather Service Little Rock AR
301 PM CST Wed Dec 29 2021

ARC001-041-079-292110-
/O.CAN.KLZK.TO.W.0054.000000T0000Z-211229T2130Z/
Desha AR-Lincoln AR-Arkansas AR-
301 PM CST Wed Dec 29 2021

...THE TORNADO WARNING FOR NORTHERN DESHA...EASTERN LINCOLN AND
SOUTHEASTERN ARKANSAS COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 700 PM CST for southeastern
Arkansas.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Little Rock.

LAT...LON 3402 9099 3398 9096 3396 9097 3397 9100
      3400 9102 3397 9109 3395 9108 3391 9103
      3390 9104 3379 9146 3379 9155 3394 9155
      3403 9139 3413 9111 3412 9112 3412 9099
      3402 9094
TIME...MOT...LOC 2058Z 248DEG 43KT 3387 9146 

$$

44

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 29, 3:03 AM CSTDense Fog AdvisoryLZKBaxter, Calhoun, Clark, Cleburne, Cleveland, Conway and 20 more6 hr
Dec 29, 11:01 AM CSTFlash Flood WarningLZKFaulkner, Garland, Hot Spring, Lonoke, Pulaski, Saline84 min
Dec 29, 1:38 PM CSTSevere Thunderstorm WarningLZKBradley, Calhoun, Ouachita52 min
Dec 29, 2:13 PM CSTSevere Thunderstorm WarningLZKBradley, Drew47 min
Dec 29, 2:30 PM CSTDense Fog AdvisoryLZKArkansas, Baxter, Bradley, Calhoun, Clark, Cleburne and 30 more21 hr
Dec 29, 2:39 PM CSTSpecial Weather StatementLZKDesha51 min
Dec 29, 2:59 PM CSTSevere Thunderstorm WarningLZKDesha, Drew46 min
Dec 29, 5:18 PM CSTSpecial Weather StatementLZKOuachita27 min
Dec 29, 5:39 PM CSTSpecial Weather StatementLZKOuachita36 min

Nearby

Tornado Warnings in Arkansas, 2021Every tornado warning in 2021Tornadoes in 2021

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.