Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 38, NWS Memphis, TN

April 9, 2021Lee County, Tippah County, Union County, Mississippi

NWS Memphis, TN issued this tornado warning at Apr 9, 2021, 6:45 PM CDT for Lee County, Tippah County, Union County, Mississippi. It was in force for 21 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
Apr 9, 2021, 6:45 PM CDT (23:45 UTC)
Expired
Apr 9, 2021, 7:06 PM CDT
In force
21 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

Counties Lee County, MS, Tippah County, MS, Union County, MS

The radar

The Columbus AFB radar (KGWX), 79 km from the middle of the area, began a volume at 23:45 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
Apr 9, 3:42 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 11.8 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 12:00Z on 2021-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2139 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
141 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

632 
WFUS54 KMEG 092345
TORMEG
MSC081-139-145-100030-
/O.NEW.KMEG.TO.W.0038.210409T2345Z-210410T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
645 PM CDT Fri Apr 9 2021

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Eastern Union County in northeastern Mississippi...
  Northwestern Lee County in northeastern Mississippi...
  South central Tippah County in northeastern Mississippi...

* Until 730 PM CDT.
    
* At 645 PM CDT, doppler radar indicated a severe thunderstorm
  producing a tornado was located near New Albany, moving east at 15
  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...
  New Albany, Saltillo, Guntown, Keownville, Blair, Dumas, Graham,
  Jericho, Branyan, Ellistown, Jug Fork, Baker, Locum, Union Hill,
  Martintown, Wallerville, Alpine, Ingomar, Corrona and Graves.

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 3442 8865 3440 8905 3446 8906 3467 8883
      3454 8873 3451 8874 3451 8871
TIME...MOT...LOC 2345Z 249DEG 11KT 3444 8898 

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

$$
1 follow-up statement
960 
WWUS54 KMEG 100006
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
706 PM CDT Fri Apr 9 2021

MSC081-139-145-100015-
/O.CAN.KMEG.TO.W.0038.000000T0000Z-210410T0030Z/
Union MS-Lee MS-Tippah MS-
706 PM CDT Fri Apr 9 2021

...THE TORNADO WARNING FOR EASTERN UNION...NORTHWESTERN LEE AND SOUTH
CENTRAL TIPPAH COUNTIES IS CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
northeastern Mississippi.

Remember, a Severe Thunderstorm Warning still remains in effect for
Lee, Tippah, and Union counties until 715 PM CDT.

LAT...LON 3442 8865 3440 8905 3446 8906 3467 8883
      3454 8873 3451 8874 3451 8871
TIME...MOT...LOC 0004Z 249DEG 11KT 3446 8891 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 4:12 PM CDTSpecial Weather StatementMEGCoahoma, Quitman33 min
Apr 9, 5:10 PM CDTSpecial Weather StatementMEGTunica35 min
Apr 9, 5:26 PM CDTSevere Thunderstorm WarningMEGCoahoma49 min
Apr 9, 5:36 PM CDTSevere Thunderstorm WarningMEGBenton, Marshall39 min
Apr 9, 5:50 PM CDTSevere Thunderstorm WarningMEGCoahoma, Quitman, Tallahatchie40 min
Apr 9, 6:08 PM CDTSpecial Weather StatementMEGUnion37 min
Apr 9, 6:31 PM CDTSpecial Weather StatementMEGCoahoma, Quitman, Tallahatchie29 min
Apr 9, 6:37 PM CDTSevere Thunderstorm WarningMEGLee, Tippah, Union38 min
Apr 9, 6:57 PM CDTSevere Thunderstorm WarningMEGLee, Pontotoc, Union48 min
Apr 9, 6:59 PM CDTSpecial Weather StatementMEGPanola, Quitman, Tallahatchie, Tate, Yalobusha46 min

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.