Alert archive / Arkansas / Tornado Warnings in 2021

Tornado Warning 18, NWS Memphis, TN

March 27, 2021Crittenden County, Cross County, Poinsett County, Arkansas

NWS Memphis, TN issued this tornado warning at Mar 27, 2021, 7:39 PM CDT for Crittenden County, Cross County, Poinsett County, Arkansas. It was in force for 51 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 27, 2021, 7:39 PM CDT (00:39 UTC)
Expired
Mar 27, 2021, 8:30 PM CDT
In force
51 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

Counties Crittenden County, AR, Cross County, AR, Poinsett County, AR

The radar

The Memphis radar (KNQA), 56 km from the middle of the area, began a volume at 00:38 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
Mar 27, 1:51 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 0.7 hours before the alert went out and 78 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 00:00Z on 2021-03-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 894 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 00:00Z on 2021-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.1939587897117Sfc1 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
894 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1261 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
209 m²/s²
Significant tornado parameter
0.7
Supercell composite
8.7

Open this sounding in Storm Lab

The text

As transmitted.

097 
WFUS54 KMEG 280039
TORMEG
ARC035-037-111-280130-
/O.NEW.KMEG.TO.W.0018.210328T0039Z-210328T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
739 PM CDT Sat Mar 27 2021

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Southeastern Poinsett County in eastern Arkansas...
  Northwestern Crittenden County in eastern Arkansas...
  Eastern Cross County in eastern Arkansas...

* Until 830 PM CDT.
    
* At 739 PM CDT, doppler radar indicated a severe thunderstorm
  producing a tornado was located near Vanndale, or near Wynne,
  moving northeast at 30 mph.

  HAZARD...Tornado and golf 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...
  Wynne, Earle, Parkin, Gilmore, Vanndale, Turrell, Smithdale, Three
  Forks, Birdeye, Booker, Deckerville, Colton, Twist, McDonald,
  Cloar, Coldwater, Togo, River Front, Wittsburg and Duvall.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3533 9082 3549 9044 3545 9029 3544 9029
      3544 9028 3531 9026 3517 9073
TIME...MOT...LOC 0039Z 245DEG 27KT 3529 9070 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

KRM
2 follow-up statements
010 
WWUS54 KMEG 280057
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
757 PM CDT Sat Mar 27 2021

ARC035-037-111-280130-
/O.CON.KMEG.TO.W.0018.000000T0000Z-210328T0130Z/
Poinsett AR-Crittenden AR-Cross AR-
757 PM CDT Sat Mar 27 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
SOUTHEASTERN POINSETT...NORTHWESTERN CRITTENDEN AND NORTHEASTERN
CROSS COUNTIES...
    
At 757 PM CDT, doppler radar indicated a severe thunderstorm
producing a tornado was located near Earle, moving east 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...
Earle, Parkin, Gilmore, Turrell, Smithdale, Three Forks, Togo,
Birdeye, Booker, Deckerville, Duvall, Colton, Twist, McDonald, Cloar,
Galilee, Heafer, Coldwater and Monterey.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3549 9044 3545 9029 3544 9029 3544 9028
      3531 9026 3521 9058 3537 9072
TIME...MOT...LOC 0057Z 248DEG 31KT 3535 9051 

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

$$

KRM
182 
WWUS54 KMEG 280121
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
821 PM CDT Sat Mar 27 2021

ARC035-037-111-280131-
/O.EXP.KMEG.TO.W.0018.000000T0000Z-210328T0130Z/
Poinsett AR-Crittenden AR-Cross AR-
821 PM CDT Sat Mar 27 2021

...THE TORNADO WARNING FOR SOUTHEASTERN POINSETT...NORTHWESTERN
CRITTENDEN AND NORTHEASTERN CROSS COUNTIES WILL EXPIRE AT 830 PM
CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 900 PM CDT for eastern
Arkansas.


LAT...LON 3549 9044 3545 9029 3544 9029 3544 9028
      3531 9026 3521 9058 3537 9072
TIME...MOT...LOC 0121Z 245DEG 27KT 3542 9033 

$$

KRM

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 7:03 PM CDTTornado WarningMEGCrittenden, Mississippi, Poinsett42 min
Mar 27, 7:08 PM CDTTornado WarningMEGCross, St. Francis52 min
Mar 27, 7:10 PM CDTFlash Flood WarningMEGCrittenden, Cross, Mississippi, Poinsett, St. Francis3 hr
Mar 27, 7:17 PM CDTTornado WarningMEGLee, Phillips43 min
Mar 27, 7:50 PM CDTTornado WarningMEGCrittenden, Lee, St. Francis40 min
Mar 27, 8:07 PM CDTTornado WarningMEGCrittenden, Mississippi, Poinsett38 min
Mar 27, 8:26 PM CDTSevere Thunderstorm WarningMEGCrittenden, St. Francis11 min
Mar 27, 8:39 PM CDTSevere Thunderstorm WarningMEGMississippi34 min
Mar 27, 8:50 PM CDTSpecial Weather StatementMEGPhillips25 min
Mar 27, 9:09 PM CDTAreal Flood AdvisoryMEGCrittenden3 hr
Mar 27, 9:12 PM CDTSevere Thunderstorm WarningMEGPhillips48 min
Mar 27, 9:35 PM CDTTornado WarningMEGPhillips40 min
Mar 27, 9:37 PM CDTTornado WarningMEGPhillips53 min
Mar 27, 9:49 PM CDTTornado WarningMEGPhillips31 min
Mar 27, 9:53 PM CDTSevere Thunderstorm WarningMEGCrittenden52 min
Mar 27, 11:23 PM CDTFlash Flood WarningMEGPhillips4 hr
Mar 28, 11:45 AM CDTRiver Flood AdvisoryMEGLee, Phillips24 hr

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.