Alert archive / Arkansas / Tornado Warnings in 2021

Tornado Warning 45, NWS Little Rock, AR

December 6, 2021Grant County, Arkansas

NWS Little Rock, AR issued this tornado warning at Dec 6, 2021, 4:38 AM CST for Grant County, Arkansas. It was in force for 22 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 6, 2021, 4:38 AM CST (10:38 UTC)
Expired: Dec 6, 2021, 5:00 AM CST
In force: 22 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Grant County, AR

The radar

The Little Rock radar (KLZK), 67 km from the middle of the area, began a volume at 10:41 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 (KLZK), launched 00:00Z, 10.6 hours before the alert went out and 230 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: 1313 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 793 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 252 m²/s²
0-3 km storm-relative helicity: 326 m²/s²
Significant tornado parameter: 2.2
Supercell composite: 19.4

Open this sounding in Storm Lab

The text

As transmitted.

623 
WFUS54 KLZK 061038
TORLZK
ARC053-061100-
/O.NEW.KLZK.TO.W.0045.211206T1038Z-211206T1100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Little Rock AR
438 AM CST Mon Dec 6 2021

The National Weather Service in Little Rock has issued a

* Tornado Warning for...
  Central Grant County in central Arkansas...

* Until 500 AM CST.
    
* At 438 AM CST, a severe thunderstorm capable of producing a tornado
  was located near Dogwood, or near Sheridan, moving east at 45 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...
  Sheridan...                       Leola...
  Prattsville...                    Dogwood...
  Jenkins Ferry State Park...       Ain...
  Cross Roads in Grant County...    Slabtown...
  Prague...                         Buie...
  Center Grove...                   Grapevine...
  Clear Lake...                     Millerville...

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 3418 9259 3436 9257 3436 9221 3424 9221
      3423 9222 3423 9223 3412 9223
TIME...MOT...LOC 1038Z 273DEG 41KT 3427 9246 

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

$$

57

1 follow-up statement

982 
WWUS54 KLZK 061046
SVSLZK

Severe Weather Statement
National Weather Service Little Rock AR
446 AM CST Mon Dec 6 2021

ARC053-061100-
/O.CON.KLZK.TO.W.0045.000000T0000Z-211206T1100Z/
Grant AR-
446 AM CST Mon Dec 6 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 AM CST FOR
SOUTHEASTERN GRANT COUNTY...
    
At 446 AM CST, a severe thunders torm capable of producing a tornado 
was located near Slabtown, 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...
Sheridan...                       Ain...
Cross Roads in Grant County...    Center Grove...
Grapevine...                      Slabtown...
Clear Lake...                     Millerville...
Prague...                         

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 3421 9251 3433 9243 3436 9221 3424 9221
      3423 9222 3423 9223 3412 9223
TIME...MOT...LOC 1046Z 273DEG 43KT 3426 9236 

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

$$

57

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 5, 11:00 PM CST	Special Weather Statement	LZK	Boone	45 min
Dec 5, 11:39 PM CST	Special Weather Statement	LZK	Baxter, Boone, Marion	51 min
Dec 6, 12:13 AM CST	Special Weather Statement	LZK	Newton, Searcy	47 min
Dec 6, 12:24 AM CST	Special Weather Statement	LZK	Fulton	51 min
Dec 6, 12:31 AM CST	Special Weather Statement	LZK	Johnson, Logan	44 min
Dec 6, 12:46 AM CST	Special Weather Statement	LZK	Izard, Stone	44 min
Dec 6, 1:04 AM CST	Severe Thunderstorm Warning	LZK	Johnson, Logan, Pope	41 min
Dec 6, 1:11 AM CST	Special Weather Statement	LZK	Lawrence, Randolph, Sharp	49 min
Dec 6, 1:21 AM CST	Special Weather Statement	LZK	Stone, Van Buren	39 min
Dec 6, 1:44 AM CST	Special Weather Statement	LZK	Conway	31 min
Dec 6, 2:50 AM CST	Special Weather Statement	LZK	Jackson	25 min
Dec 6, 3:46 AM CST	Special Weather Statement	LZK	Saline	29 min
Dec 6, 4:01 AM CST	Special Weather Statement	LZK	Prairie	29 min
Dec 6, 4:14 AM CST	Special Weather Statement	LZK	Grant	16 min
Dec 6, 4:35 AM CST	Severe Thunderstorm Warning	LZK	Dallas, Grant, Jefferson	25 min
Dec 6, 4:43 AM CST	Special Weather Statement	LZK	Monroe	32 min
Dec 6, 4:58 AM CST	Severe Thunderstorm Warning	LZK	Grant, Jefferson	32 min
Dec 6, 5:27 AM CST	Special Weather Statement	LZK	Arkansas	48 min
Dec 6, 6:35 AM CST	Special Weather Statement	LZK	Drew	25 min
Dec 6, 6:57 AM CST	Special Weather Statement	LZK	Drew	33 min
Dec 6, 7:06 AM CST	Special Weather Statement	LZK	Drew	24 min

Nearby

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