Alert archive / Arkansas / Tornado Warnings in 2021

Tornado Warning 22, NWS Memphis, TN

March 27, 2021Phillips County, Arkansas; Coahoma County, Mississippi

NWS Memphis, TN issued this tornado warning at Mar 27, 2021, 9:35 PM CDT for Phillips County, Arkansas; Coahoma County, Mississippi. 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 27, 2021, 9:35 PM CDT (02:35 UTC)
Expired
Mar 27, 2021, 10:15 PM CDT
In force
40 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Phillips County, AR, Coahoma County, MS

The radar

The Little Rock radar (KLZK), 157 km from the middle of the area, began a volume at 02:38 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, 9:01 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 2.6 hours before the alert went out and 112 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.

561 
WFUS54 KMEG 280235
TORMEG
ARC107-MSC027-280315-
/O.NEW.KMEG.TO.W.0022.210328T0235Z-210328T0315Z/

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

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Southwestern Phillips County in eastern Arkansas...
  Southern Coahoma County in northwestern Mississippi...

* Until 1015 PM CDT.
    
* At 934 PM CDT, doppler radar indicated a severe thunderstorm
  producing a tornado was located near Trusten Holder WMA, or 11
  miles south of White River National Wildlife Refuge, moving east at
  40 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...
  Clarksdale, Dublin, Crumrod, Lyon, Mattson, Rena Lara, Ferguson,
  Counts, Hopson, Bobo, Green Grove, Hillhouse, Beverly, Lurand and
  Claremont.

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 3413 9111 3423 9045 3399 9045 3399 9066
      3412 9066 3412 9112
TIME...MOT...LOC 0234Z 261DEG 35KT 3404 9114 

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

$$

KRM
1 follow-up statement
735 
WWUS54 KMEG 280309
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1009 PM CDT Sat Mar 27 2021

ARC107-MSC027-280319-
/O.EXP.KMEG.TO.W.0022.000000T0000Z-210328T0315Z/
Phillips AR-Coahoma MS-
1009 PM CDT Sat Mar 27 2021

...THE TORNADO WARNING FOR SOUTHWESTERN PHILLIPS AND SOUTHERN COAHOMA
COUNTIES WILL EXPIRE AT 1015 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 400 AM CDT for eastern
Arkansas...and northwestern Mississippi.

LAT...LON 3413 9111 3423 9045 3399 9045 3399 9066
      3412 9066 3412 9112
TIME...MOT...LOC 0309Z 261DEG 35KT 3409 9074 

$$

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, 7:39 PM CDTTornado WarningMEGCrittenden, Cross, Poinsett51 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, 9:37 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
Mar 27, 7:54 PM CDTSpecial Weather StatementMEGDeSoto21 min
Mar 27, 10:05 PM CDTTornado WarningMEGCoahoma, Panola, Quitman, Tate, Tunica40 min
Mar 27, 10:08 PM CDTSevere Thunderstorm WarningMEGCoahoma, Panola, Quitman52 min
Mar 27, 10:31 PM CDTTornado WarningMEGDeSoto, Lafayette, Marshall, Panola, Tate44 min
Mar 27, 10:39 PM CDTSevere Thunderstorm WarningMEGBenton, DeSoto, Marshall36 min
Mar 27, 10:49 PM CDTFlash Flood WarningMEGDeSoto, Tate, Tunica3 hr
Mar 27, 10:56 PM CDTTornado WarningMEGBenton, Lafayette, Marshall, Tate, Tippah49 min
Mar 27, 11:09 PM CDTSevere Thunderstorm WarningMEGAlcorn, Benton, Marshall, Tippah51 min
Mar 27, 11:33 PM CDTSevere Thunderstorm WarningMEGAlcorn, Benton, Lafayette, Lee, Prentiss, Tippah and 2 more42 min
Mar 27, 11:41 PM CDTSevere Thunderstorm WarningMEGCoahoma, Tallahatchie49 min
Mar 27, 11:54 PM CDTSevere Thunderstorm WarningMEGAlcorn51 min
Mar 27, 11:58 PM CDTTornado WarningMEGAlcorn, Tippah17 min
Mar 28, 12:12 AM CDTTornado WarningMEGAlcorn, Tishomingo33 min
Mar 28, 12:17 AM CDTSevere Thunderstorm WarningMEGAlcorn, Benton, Itawamba, Lafayette, Lee, Marshall and 4 more43 min
Mar 28, 12:27 AM CDTSevere Thunderstorm WarningMEGCalhoun, Lafayette, Panola, Quitman, Tallahatchie, Yalobusha48 min
Mar 28, 12:48 AM CDTFlash Flood WarningMEGBenton, Lafayette, Marshall, Panola, Tate, Tippah and 1 more3 hr
Mar 28, 12:56 AM CDTSevere Thunderstorm WarningMEGAlcorn, Benton, Itawamba, Lee, Prentiss, Tippah and 2 more49 min
Mar 28, 12:59 AM CDTSevere Thunderstorm WarningMEGCalhoun, Chickasaw, Lafayette, Panola, Pontotoc, Tallahatchie and 1 more46 min
Mar 28, 1:03 AM CDTTornado WarningMEGAlcorn, Prentiss, Tippah, Tishomingo, Union27 min
Mar 28, 1:10 AM CDTTornado WarningMEGCalhoun, Lafayette, Pontotoc, Union, Yalobusha28 min
Mar 28, 1:36 AM CDTSevere Thunderstorm WarningMEGItawamba, Lafayette, Lee, Pontotoc, Prentiss, Tishomingo and 1 more39 min
Mar 28, 1:47 AM CDTSevere Thunderstorm WarningMEGChickasaw, Itawamba, Lee, Monroe, Pontotoc43 min
Mar 28, 2:14 AM CDTSevere Thunderstorm WarningMEGItawamba, Lee, Prentiss, Tishomingo46 min
Mar 28, 2:30 AM CDTSevere Thunderstorm WarningMEGItawamba, Lee, Monroe25 min
Mar 28, 3:22 AM CDTSpecial Weather StatementMEGMonroe23 min
Mar 28, 3:33 AM CDTSevere Thunderstorm WarningMEGMonroe42 min
Mar 28, 7:49 AM CDTRiver Flood WarningMEGLafayette, Marshall, Union26 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.