Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 39, NWS Memphis, TN

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

NWS Memphis, TN issued this tornado warning at Apr 9, 2021, 7:14 PM CDT for Lee County, Pontotoc County, Union County, Mississippi. It was in force for 31 min. 4 reports 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
Apr 9, 2021, 7:14 PM CDT (00:14 UTC)
Expired
Apr 9, 2021, 7:45 PM CDT
In force
31 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

Counties Lee County, MS, Pontotoc County, MS, Union County, MS

The radar

The Columbus AFB radar (KGWX), 76 km from the middle of the area, began a volume at 00:14 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
Apr 9, 7:15 PM CDTHAIL 1.254 E Ecru, MSON CENTER HILL RD
Apr 9, 7:49 PM CDTHAIL 1New Harmony, MS
Apr 9, 7:50 PM CDTHAIL 1Blue Springs, MS
Apr 9, 7:52 PM CDTHAIL 2.5Blue Springs, MS

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
Apr 9, 3:42 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 0.2 hours before the alert went out and 115 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 2021-04-10Temperature 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 00:00Z on 2021-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 326 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
2032 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
326 m²/s²
0-3 km storm-relative helicity
590 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

212 
WFUS54 KMEG 100014
TORMEG
MSC081-115-145-100045-
/O.NEW.KMEG.TO.W.0039.210410T0014Z-210410T0045Z/

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

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Eastern Union County in northeastern Mississippi...
  Northeastern Pontotoc County in northeastern Mississippi...
  Northern Lee County in northeastern Mississippi...

* Until 745 PM CDT.
    
* At 714 PM CDT, doppler radar indicated a severe thunderstorm
  producing a tornado was located over New Harmony, or 7 miles north
  of Trace State Park, moving northeast at 20 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...
  Saltillo, Guntown, Blair, New Harmony, Sherman, Blue Springs,
  Graham, Wallerville, Jericho, Cherry Creek, Branyan, Ellistown,
  Alpine, Birmingham, Jug Fork, Corrona, Graves, Frog Island, Reese
  and Fairfield.

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 3439 8859 3431 8899 3440 8901 3460 8882
      3460 8880 3453 8873 3451 8874 3451 8871
TIME...MOT...LOC 0014Z 227DEG 19KT 3437 8893 

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

$$
1 follow-up statement
085 
WWUS54 KMEG 100022
SVSMEG

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

MSC081-115-145-100045-
/O.CON.KMEG.TO.W.0039.000000T0000Z-210410T0045Z/
Union MS-Pontotoc MS-Lee MS-
722 PM CDT Fri Apr 9 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR EASTERN
UNION...NORTHEASTERN PONTOTOC AND NORTHERN LEE COUNTIES...
    
At 722 PM CDT, doppler radar indicated a severe thunderstorm
producing a tornado was located over New Harmony, or 8 miles north of
Trace State Park, moving northeast at 20 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...
Saltillo, Guntown, Blair, New Harmony, Sherman, Blue Springs, Graham,
Wallerville, Jericho, Cherry Creek, Branyan, Ellistown, Alpine,
Birmingham, Jug Fork, Corrona, Graves, Frog Island, Reese and
Fairfield.

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 3439 8859 3431 8899 3440 8901 3460 8882
      3460 8880 3453 8873 3451 8874 3451 8871
TIME...MOT...LOC 0022Z 228DEG 17KT 3438 8891 

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 7:38 PM CDTSpecial Weather StatementMEGCalhoun, Lafayette, Marshall, Yalobusha52 min
Apr 9, 7:45 PM CDTSevere Thunderstorm WarningMEGItawamba, Lee, Pontotoc, Prentiss, Union45 min
Apr 9, 7:54 PM CDTFlash Flood WarningMEGLee, Pontotoc, Union5 hr
Apr 9, 8:01 PM CDTSevere Thunderstorm WarningMEGAlcorn, Tishomingo44 min
Apr 9, 8:09 PM CDTSevere Thunderstorm WarningMEGItawamba, Prentiss, Tishomingo25 min
Apr 9, 8:13 PM CDTSevere Thunderstorm WarningMEGChickasaw, Lee, Pontotoc47 min
Apr 9, 8:31 PM CDTAreal Flood AdvisoryMEGItawamba, Lee, Prentiss3 hr
Apr 9, 8:38 PM CDTAreal Flood AdvisoryMEGAlcorn, Tippah, Tishomingo3 hr
Apr 9, 8:38 PM CDTSevere Thunderstorm WarningMEGChickasaw, Monroe52 min
Apr 9, 8:55 PM CDTSevere Thunderstorm WarningMEGChickasaw, Itawamba, Lee, Monroe, Pontotoc50 min
Apr 9, 9:04 PM CDTAreal Flood AdvisoryMEGCalhoun, Chickasaw, Lee, Pontotoc3 hr
Apr 9, 9:08 PM CDTAreal Flood AdvisoryMEGLee, Pontotoc28 min
Apr 9, 9:09 PM CDTSevere Thunderstorm WarningMEGItawamba, Lee, Monroe51 min
Apr 9, 9:36 PM CDTFlash Flood WarningMEGLee, Pontotoc3 hr
Apr 10, 4:32 AM CDTRiver Flood WarningMEGLee8 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.