Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 1, NWS Memphis, TN

February 28, 20215 counties in Mississippi

NWS Memphis, TN issued this tornado warning at Feb 28, 2021, 8:14 PM CST for 5 counties in Mississippi. It was in force for 46 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
Feb 28, 2021, 8:14 PM CST (02:14 UTC)
Expired
Feb 28, 2021, 9:00 PM CST
In force
46 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Benton County, MS, Lafayette County, MS, Marshall County, MS, Tippah County, MS, Union County, MS

The radar

The Memphis radar (KNQA), 98 km from the middle of the area, began a volume at 02:16 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
Feb 28, 2:22 PM CSTTornado WatchSPC8 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 2.2 hours before the alert went out and 58 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 2021-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 229 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 2021-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -399 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
229 J/kg
Mixed-layer CIN
-269 J/kg
Mixed-layer LCL
782 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
-399 m²/s²
0-3 km storm-relative helicity
-284 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.4

Open this sounding in Storm Lab

The text

As transmitted.

751 
WFUS54 KMEG 010214
TORMEG
MSC009-071-093-139-145-010300-
/O.NEW.KMEG.TO.W.0001.210301T0214Z-210301T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
814 PM CST Sun Feb 28 2021

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Northern Lafayette County in northwestern Mississippi...
  Northwestern Union County in northeastern Mississippi...
  Southern Marshall County in northwestern Mississippi...
  Southwestern Tippah County in northeastern Mississippi...
  Southern Benton County in northeastern Mississippi...

* Until 900 PM CST.
    
* At 813 PM CST, doppler radar indicated a severe thunderstorm
  producing a tornado was located over Laws Hill, or 9 miles
  southwest of Wall Doxey State Park, moving east at 55 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...
  New Albany, Bethlehem, Harmontown, Laws Hill, Hickory Flat, Potts
  Camp, Myrtle, Abbeville, Malone, Shari, Winborn, Blackwater,
  Waterford, Old Myrtle, Burt, Pumpkin Center, Pine Grove, Spraggins,
  Cornersville and Smalco.

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 3445 8964 3463 8967 3473 8907 3451 8903
TIME...MOT...LOC 0213Z 261DEG 50KT 3456 8957 

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

$$

MGW
1 follow-up statement
244 
WWUS54 KMEG 010230
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
830 PM CST Sun Feb 28 2021

MSC009-071-093-139-145-010300-
/O.CON.KMEG.TO.W.0001.000000T0000Z-210301T0300Z/
Lafayette MS-Union MS-Marshall MS-Tippah MS-Benton MS-
830 PM CST Sun Feb 28 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CST FOR
NORTHEASTERN LAFAYETTE...NORTHWESTERN UNION...SOUTHEASTERN
MARSHALL...SOUTHWESTERN TIPPAH AND SOUTHERN BENTON COUNTIES...
    
At 829 PM CST, doppler radar indicated a severe thunderstorm
producing a tornado was located near Bethlehem, or 11 miles southeast
of Wall Doxey State Park, moving east at 60 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.

Locations impacted include...
New Albany, Bethlehem, Hickory Flat, Potts Camp, Myrtle, Shari,
Winborn, Old Myrtle, Burt, Pumpkin Center, Pine Grove, Cornersville,
Smalco and Glenfield.

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 3448 8941 3467 8943 3473 8907 3451 8903
TIME...MOT...LOC 0229Z 261DEG 50KT 3460 8929 

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 7:22 PM CSTSpecial Weather StatementMEGTunica38 min
Feb 28, 8:06 PM CSTSevere Thunderstorm WarningMEGBenton, Lafayette, Marshall, Panola, Tate, Union39 min
Feb 28, 8:42 PM CSTSevere Thunderstorm WarningMEGAlcorn, Benton, Prentiss, Tippah, Tishomingo, Union28 min
Mar 1, 2:06 AM CSTAreal Flood WarningMEGDeSoto, Marshall3 hr
Mar 1, 3:32 AM CSTAreal Flood AdvisoryMEGCoahoma, DeSoto, Marshall, Panola, Quitman, Tate and 1 more3 hr
Mar 1, 5:10 AM CSTRiver Flood WarningMEGTate, Tunica23 hr

Nearby

Tornado 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.