Alert archive / Arkansas / Tornado Warnings in 2021

Tornado Warning 5, NWS Little Rock, AR

March 17, 2021Drew County, Arkansas

NWS Little Rock, AR issued this tornado warning at Mar 17, 2021, 3:50 PM CDT for Drew County, Arkansas. It was in force for 40 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: Mar 17, 2021, 3:50 PM CDT (20:50 UTC)
Expired: Mar 17, 2021, 4:30 PM CDT
In force: 40 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Drew County, AR

The radar

The Little Rock radar (KLZK), 155 km from the middle of the area, began a volume at 20:50 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

Jackson, MS (KJAN), launched 12:00Z, 8.8 hours before the alert went out and 201 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: 687 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 713 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 218 m²/s²
0-3 km storm-relative helicity: 178 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 4.9

Open this sounding in Storm Lab

The text

As transmitted.

033 
WFUS54 KLZK 172050
TORLZK
ARC043-172130-
/O.NEW.KLZK.TO.W.0005.210317T2050Z-210317T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Little Rock AR
350 PM CDT Wed Mar 17 2021

The National Weather Service in Little Rock has issued a

* Tornado Warning for...
  Southern and Eastern Drew County in southeastern Arkansas...

* Until 430 PM CDT.
    
* At 348 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Fountain Hill, or 8 miles north of Hamburg, moving
  northeast at 45 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation. A storm spotter also reported a 
           wall cloud under the updraft of this storm.

  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...
  Tillar...                         Ladelle...
  Prairie Grove...                  Baxter...
  Collins...                        Enon...
  Lacey...                          Selma...

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 3340 9191 3354 9184 3370 9162 3376 9145
      3349 9146 3339 9159
TIME...MOT...LOC 2048Z 225DEG 37KT 3334 9184 

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

$$

Cavanaugh

1 follow-up statement

349 
WWUS54 KLZK 172108
SVSLZK

Severe Weather Statement
National Weather Service Little Rock AR
408 PM CDT Wed Mar 17 2021

ARC043-172130-
/O.CON.KLZK.TO.W.0005.000000T0000Z-210317T2130Z/
Drew AR-
408 PM CDT Wed Mar 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
SOUTHEASTERN DREW COUNTY...
    
At 407 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles east of Ladelle, or 13 miles west of Dermott,
moving northeast at 45 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation. A storm spotter in Jerome 
         reported a persistent lowering wall cloud under the updraft 
         region of this thunderstorm.

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...
Baxter...                         Enon...
Collins...                        Selma...

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 3342 9175 3353 9175 3369 9161 3369 9145
      3355 9146 3351 9146 3339 9159
TIME...MOT...LOC 2107Z 225DEG 37KT 3347 9166 

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

$$

Cavanaugh

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 17, 12:34 AM CDT	Severe Thunderstorm Warning	LZK	Bradley, Calhoun, Cleveland, Drew, Ouachita	56 min
Mar 17, 1:17 AM CDT	Special Weather Statement	LZK	Scott	28 min
Mar 17, 1:40 AM CDT	Severe Thunderstorm Warning	LZK	Scott	35 min
Mar 17, 1:43 AM CDT	Special Weather Statement	LZK	Drew	32 min
Mar 17, 2:14 AM CDT	Special Weather Statement	LZK	Scott	31 min
Mar 17, 2:47 AM CDT	Severe Thunderstorm Warning	LZK	Logan, Scott	28 min
Mar 17, 2:52 AM CDT	Severe Thunderstorm Warning	LZK	Logan, Scott, Yell	38 min
Mar 17, 3:11 AM CDT	Special Weather Statement	LZK	Ouachita	49 min
Mar 17, 3:15 AM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan	34 min
Mar 17, 3:29 AM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan, Pope	46 min
Mar 17, 3:44 AM CDT	Special Weather Statement	LZK	Calhoun, Lincoln, Ouachita	31 min
Mar 17, 3:51 AM CDT	Special Weather Statement	LZK	Conway	24 min
Mar 17, 3:57 AM CDT	Special Weather Statement	LZK	Faulkner	33 min
Mar 17, 4:00 AM CDT	Severe Thunderstorm Warning	LZK	Conway, Pope, Van Buren, Yell	30 min
Mar 17, 4:15 AM CDT	Severe Thunderstorm Warning	LZK	Conway, Johnson, Logan, Newton, Pope, Van Buren and 1 more	45 min
Mar 17, 4:29 AM CDT	Special Weather Statement	LZK	Van Buren	46 min
Mar 17, 4:44 AM CDT	Special Weather Statement	LZK	Stone	46 min
Mar 17, 4:44 AM CDT	Special Weather Statement	LZK	Dallas	46 min
Mar 17, 4:53 AM CDT	Severe Thunderstorm Warning	LZK	Cleburne, White	37 min
Mar 17, 4:54 AM CDT	Special Weather Statement	LZK	Lincoln	51 min
Mar 17, 4:58 AM CDT	Special Weather Statement	LZK	Pope, Searcy, Van Buren	47 min
Mar 17, 5:01 AM CDT	Severe Thunderstorm Warning	LZK	Bradley, Cleveland, Desha, Drew, Jefferson, Lincoln	44 min
Mar 17, 5:22 AM CDT	Tornado Warning	LZK	Arkansas, Desha, Drew, Lincoln	38 min
Mar 17, 5:52 AM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Cleveland, Grant, Jefferson	41 min
Mar 17, 5:55 AM CDT	Tornado Warning	LZK	Arkansas, Desha	25 min
Mar 17, 6:21 AM CDT	Special Weather Statement	LZK	Sharp	24 min
Mar 17, 7:51 AM CDT	Special Weather Statement	LZK	Searcy	39 min
Mar 17, 8:18 AM CDT	Special Weather Statement	LZK	Monroe	27 min
Mar 17, 8:18 AM CDT	Special Weather Statement	LZK	Pike	42 min
Mar 17, 10:27 AM CDT	Flash Flood Warning	LZK	Pulaski	3 hr
Mar 17, 4:30 PM CDT	Tornado Warning	LZK	Desha, Drew	45 min
Mar 17, 5:11 PM CDT	Special Weather Statement	LZK	Drew	49 min
Mar 17, 5:22 PM CDT	Special Weather Statement	LZK	Desha	38 min
Mar 17, 5:46 PM CDT	Special Weather Statement	LZK	Woodruff	44 min
Mar 17, 6:42 PM CDT	Special Weather Statement	LZK	Newton	48 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.