Alert archive / Arkansas / Tornado Warnings in 2021

Tornado Warning 57, NWS Memphis, TN

October 15, 2021DeSoto County, Tunica County, Mississippi; Crittenden County, Lee County, St. Francis County, Arkansas

NWS Memphis, TN issued this tornado warning at Oct 15, 2021, 5:56 PM CDT for DeSoto County, Tunica County, Mississippi; Crittenden County, Lee County, St. Francis County, Arkansas. It was in force for 18 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Oct 15, 2021, 5:56 PM CDT (22:56 UTC)
Expired
Oct 15, 2021, 6:14 PM CDT
In force
18 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Crittenden County, AR, Lee County, AR, St. Francis County, AR, DeSoto County, MS, Tunica County, MS

The radar

The Memphis radar (KNQA), 71 km from the middle of the area, began a volume at 22:56 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.

What was reported inside it

TimeReportWhereRemark
Oct 15, 6:03 PM CDTFUNNEL CLOUD4 Sw Hughes, ARFUNNEL CLOUD REPORTED NEAR THE INTERSECTION OF ROUTE 334 AND US-79.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Oct 15, 12:28 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 10.9 hours before the alert went out and 32 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 2021-10-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 567 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-10-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
567 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
671 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted.

933 
WFUS54 KMEG 152256
TORMEG
ARC035-077-123-MSC033-143-152330-
/O.NEW.KMEG.TO.W.0057.211015T2256Z-211015T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
556 PM CDT Fri Oct 15 2021

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Northeastern Lee County in eastern Arkansas...
  Southeastern St. Francis County in eastern Arkansas...
  South central Crittenden County in eastern Arkansas...
  Southwestern DeSoto County in northwestern Mississippi...
  Northern Tunica County in northwestern Mississippi...

* Until 630 PM CDT.
    
* At 556 PM CDT, a severe thunderstorm producing a tornado was
  located near Brickeys, or near Hughes, moving east at 45 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.

* This dangerous storm will be near...
  Horseshoe Lake and Robinsonville around 610 PM CDT.
  Lake Cormorant around 620 PM CDT.
  Eudora around 625 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Newport, Gassett, Clack, Kokomo, Trinity, Commerce, Mud Lake, Peters,
Council and West Days.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter 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 3494 9057 3493 9009 3476 9013 3476 9017
      3475 9017 3472 9020 3472 9022 3481 9060
TIME...MOT...LOC 2256Z 278DEG 39KT 3486 9051 

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

$$

SWB
1 follow-up statement
669 
WWUS54 KMEG 152314
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
614 PM CDT Fri Oct 15 2021

ARC035-077-123-MSC033-143-152323-
/O.CAN.KMEG.TO.W.0057.000000T0000Z-211015T2330Z/
Lee AR-St. Francis AR-Crittenden AR-DeSoto MS-Tunica MS-
614 PM CDT Fri Oct 15 2021

...THE TORNADO WARNING FOR NORTHEASTERN LEE...SOUTHEASTERN ST.
FRANCIS...SOUTH CENTRAL CRITTENDEN...SOUTHWESTERN DESOTO AND NORTHERN
TUNICA 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 Severe Thunderstorm Watch remains in effect until 800 PM CDT for
eastern Arkansas...and northwestern Mississippi. A Severe
Thunderstorm Watch also remains in effect until midnight CDT for
northwestern Mississippi.

LAT...LON 3494 9057 3493 9009 3476 9013 3476 9017
      3475 9017 3472 9020 3472 9022 3481 9060
TIME...MOT...LOC 2312Z 278DEG 39KT 3483 9028 

$$

SWB

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 15, 5:31 PM CDTSevere Thunderstorm WarningMEGDeSoto, Tate, Tunica44 min
Oct 15, 6:21 PM CDTSevere Thunderstorm WarningMEGDeSoto, Tate, Tunica18 min
Oct 15, 6:56 PM CDTSpecial Weather StatementMEGMarshall34 min
Oct 15, 3:35 PM CDTSevere Thunderstorm WarningMEGCraighead, Poinsett18 min
Oct 15, 3:54 PM CDTSpecial Weather StatementMEGCraighead, Poinsett36 min
Oct 15, 4:25 PM CDTSpecial Weather StatementMEGMississippi35 min
Oct 15, 4:42 PM CDTSevere Thunderstorm WarningMEGMississippi48 min
Oct 15, 4:46 PM CDTSevere Thunderstorm WarningMEGCross, Lee, St. Francis44 min
Oct 15, 4:55 PM CDTTornado WarningMEGMississippi23 min

Nearby

Tornado Warnings in Arkansas, 2021Tornado Warnings in Mississippi, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.