Alert archive / Arkansas / Tornado Warnings in 2021

Tornado Warning 19, NWS Little Rock, AR

April 7, 2021Logan County, Yell County, Arkansas

NWS Little Rock, AR issued this tornado warning at Apr 7, 2021, 2:45 PM CDT for Logan County, Yell County, Arkansas. It was in force for 45 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: Apr 7, 2021, 2:45 PM CDT (19:45 UTC)
Expired: Apr 7, 2021, 3:30 PM CDT
In force: 45 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Logan County, AR, Yell County, AR

The radar

The Western Arkansas radar (KSRX), 77 km from the middle of the area, began a volume at 19:47 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.

Issued	Product	Office	Lasted
Apr 7, 12:38 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 7.8 hours before the alert went out and 195 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: 790 J/kg
Mixed-layer CIN: -275 J/kg
Mixed-layer LCL: 767 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 186 m²/s²
0-3 km storm-relative helicity: 223 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

880 
WFUS54 KLZK 071945
TORLZK
ARC083-149-072030-
/O.NEW.KLZK.TO.W.0019.210407T1945Z-210407T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Little Rock AR
245 PM CDT Wed Apr 7 2021

The National Weather Service in Little Rock has issued a

* Tornado Warning for...
  East central Logan County in western Arkansas...
  Northwestern Yell County in central Arkansas...

* Until 330 PM CDT.

* At 245 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Mount Magazine, or 10 miles southeast of Paris,
  moving northeast at 40 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Emergency Management and weather spotters reported funnel 
           cloud.

  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...
  Mount Magazine...                 Mt Nebo State Park...
  Havana...                         Waveland...
  Delaware...                       Chickalah...
  Spring Lake Campground...         

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 3509 9369 3517 9370 3532 9331 3514 9324
TIME...MOT...LOC 1945Z 243DEG 36KT 3515 9363 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

DTC

3 follow-up statements

758 
WWUS54 KLZK 071956
SVSLZK

Severe Weather Statement
National Weather Service Little Rock AR
256 PM CDT Wed Apr 7 2021

ARC083-149-072030-
/O.CON.KLZK.TO.W.0019.000000T0000Z-210407T2030Z/
Logan AR-Yell AR-
256 PM CDT Wed Apr 7 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR EAST
CENTRAL LOGAN AND NORTHWESTERN YELL COUNTIES...
    
At 255 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles east of Mount Magazine, or 11 miles northwest of 
Danville, moving east at 45 mph. This storm has a history of 
producing funnel clouds and can produce a tornado at any moment!

HAZARD...Tornado and ping pong ball 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...
Mt Nebo State Park...             Delaware...
Chickalah...                      Spring Lake Campground...

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 3512 9358 3521 9359 3523 9355 3532 9331
      3514 9324
TIME...MOT...LOC 1955Z 250DEG 38KT 3518 9351 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

DTC

341 
WWUS54 KLZK 072012
SVSLZK

Severe Weather Statement
National Weather Service Little Rock AR
312 PM CDT Wed Apr 7 2021

ARC083-149-072030-
/O.CON.KLZK.TO.W.0019.000000T0000Z-210407T2030Z/
Logan AR-Yell AR-
312 PM CDT Wed Apr 7 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR EAST
CENTRAL LOGAN AND NORTH CENTRAL YELL COUNTIES...
    
At 312 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles west of Mt Nebo State Park, or 10 miles north of
Danville, moving northeast at 35 mph.

HAZARD...Tornado and ping pong ball 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...
Mt Nebo State Park...             Delaware...
Chickalah...                      

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 3514 9342 3527 9344 3527 9343 3532 9331
      3516 9325
TIME...MOT...LOC 2012Z 245DEG 32KT 3521 9339 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

DTC

613 
WWUS54 KLZK 072029
SVSLZK

Severe Weather Statement
National Weather Service Little Rock AR
329 PM CDT Wed Apr 7 2021

ARC083-149-072039-
/O.EXP.KLZK.TO.W.0019.000000T0000Z-210407T2030Z/
Logan AR-Yell AR-
329 PM CDT Wed Apr 7 2021

...THE TORNADO WARNING FOR EAST CENTRAL LOGAN AND NORTH CENTRAL YELL
COUNTIES WILL EXPIRE AT 330 PM CDT...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

A Tornado Watch remains in effect until 800 PM CDT for western and
central Arkansas.

LAT...LON 3514 9342 3527 9344 3527 9343 3532 9331
      3516 9325
TIME...MOT...LOC 2029Z 243DEG 36KT 3529 9321 

$$

DTC

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 7, 8:31 AM CDT	Special Weather Statement	LZK	Pope	29 min
Apr 7, 1:42 PM CDT	Special Weather Statement	LZK	Sebastian	48 min
Apr 7, 1:47 PM CDT	Special Weather Statement	LZK	Johnson	43 min
Apr 7, 1:57 PM CDT	Special Weather Statement	LZK	Scott	48 min
Apr 7, 1:59 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Newton	46 min
Apr 7, 2:02 PM CDT	Special Weather Statement	LZK	Calhoun, Ouachita	43 min
Apr 7, 2:05 PM CDT	Severe Thunderstorm Warning	LZK	Polk	55 min
Apr 7, 2:18 PM CDT	Severe Thunderstorm Warning	LZK	Bradley, Calhoun, Cleveland, Dallas, Ouachita	27 min
Apr 7, 2:19 PM CDT	Tornado Warning	LZK	Logan, Scott, Yell	14 min
Apr 7, 2:21 PM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Lonoke, Monroe, Prairie	39 min
Apr 7, 2:27 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Faulkner, Stone, Van Buren, White	33 min
Apr 7, 2:30 PM CDT	Severe Thunderstorm Warning	LZK	Lonoke, Pulaski, Saline	45 min
Apr 7, 2:33 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Scott, Yell	42 min
Apr 7, 2:34 PM CDT	Special Weather Statement	LZK	Prairie	41 min
Apr 7, 2:36 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Polk, Scott	39 min
Apr 7, 2:39 PM CDT	Special Weather Statement	LZK	Newton	51 min
Apr 7, 2:45 PM CDT	Severe Thunderstorm Warning	LZK	Calhoun, Cleveland, Dallas, Grant, Jefferson, Ouachita	30 min
Apr 7, 3:03 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Scott, Yell	42 min
Apr 7, 3:04 PM CDT	Special Weather Statement	LZK	Lincoln	41 min
Apr 7, 3:05 PM CDT	Severe Thunderstorm Warning	LZK	Lonoke, Prairie, Pulaski, White	40 min
Apr 7, 3:09 PM CDT	Special Weather Statement	LZK	Grant	51 min
Apr 7, 3:09 PM CDT	Severe Thunderstorm Warning	LZK	Yell	39 min
Apr 7, 3:15 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan, Pope, Yell	32 min
Apr 7, 3:16 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Independence, Jackson, White	44 min
Apr 7, 3:25 PM CDT	Severe Thunderstorm Warning	LZK	Yell	23 min
Apr 7, 3:28 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Yell	17 min
Apr 7, 3:33 PM CDT	Severe Thunderstorm Warning	LZK	Lonoke, Prairie, Pulaski	30 min
Apr 7, 3:35 PM CDT	Severe Thunderstorm Warning	LZK	Lawrence, Randolph	25 min
Apr 7, 3:46 PM CDT	Special Weather Statement	LZK	Pope	59 min
Apr 7, 4:08 PM CDT	Special Weather Statement	LZK	Arkansas	52 min
Apr 7, 4:11 PM CDT	Special Weather Statement	LZK	Lonoke, Prairie	49 min
Apr 7, 6:23 PM CDT	Special Weather Statement	LZK	Faulkner	52 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.