Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 37, NWS Memphis, TN

April 8, 2021Itawamba County, Mississippi

NWS Memphis, TN issued this tornado warning at Apr 8, 2021, 3:56 AM CDT for Itawamba County, Mississippi. It was in force for 49 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 8, 2021, 3:56 AM CDT (08:56 UTC)
Expired
Apr 8, 2021, 4:45 AM CDT
In force
49 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Itawamba County, MS

The radar

The Columbus AFB radar (KGWX), 35 km from the middle of the area, began a volume at 08:58 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 nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 8.9 hours before the alert went out and 161 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 2021-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 696 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 2021-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 165 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
696 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
597 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
165 m²/s²
0-3 km storm-relative helicity
178 m²/s²
Significant tornado parameter
0.7
Supercell composite
2.7

Open this sounding in Storm Lab

The text

As transmitted.

850 
WFUS54 KMEG 080856
TORMEG
MSC057-080945-
/O.NEW.KMEG.TO.W.0037.210408T0856Z-210408T0945Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
356 AM CDT Thu Apr 8 2021

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Central Itawamba County in northeastern Mississippi...

* Until 445 AM CDT.
    
* At 356 AM CDT, doppler radar indicated a severe thunderstorm
  producing a tornado was located over Evergreen, or 8 miles
  southwest of Fulton, moving northeast at 25 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...
  Fulton, Tremont, Fairview, New Salem, Evergreen, Clay, Abney,
  Eastman, Cardsville, Tilden, Bounds Crossroads, Dorsey, Jacinto,
  Cadamy and Ballardsville.

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 3418 8819 3409 8852 3414 8854 3424 8854
      3446 8816
TIME...MOT...LOC 0856Z 234DEG 21KT 3417 8850 

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

$$

KRM
3 follow-up statements
785 
WWUS54 KMEG 080908
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
408 AM CDT Thu Apr 8 2021

MSC057-080945-
/O.CON.KMEG.TO.W.0037.000000T0000Z-210408T0945Z/
Itawamba MS-
408 AM CDT Thu Apr 8 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 AM CDT FOR CENTRAL
ITAWAMBA COUNTY...
    
At 407 AM CDT, doppler radar indicated a severe thunderstorm 
producing a tornado was located near Fulton, moving northeast at 25 
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...
Fulton, Tremont, New Salem, Clay, Abney, Eastman, Cardsville, Tilden,
Bounds Crossroads, Jacinto and Cadamy.

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 3418 8819 3411 8845 3426 8847 3446 8816
TIME...MOT...LOC 0907Z 233DEG 24KT 3422 8842 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

MJ
656 
WWUS54 KMEG 080924
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
424 AM CDT Thu Apr 8 2021

MSC057-080945-
/O.CON.KMEG.TO.W.0037.000000T0000Z-210408T0945Z/
Itawamba MS-
424 AM CDT Thu Apr 8 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 AM CDT FOR EASTERN
ITAWAMBA COUNTY...
    
At 424 AM CDT, doppler radar indicated a severe thunderstorm
producing a tornado was located near Fairview, or 7 miles northeast
of Fulton, moving northeast at 25 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...
Tremont, New Salem, Clay, Eastman, Tilden, Bounds Crossroads and
Cadamy.

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 8836 3433 8836 3446 8816 3418 8819
TIME...MOT...LOC 0924Z 236DEG 23KT 3432 8829 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

MJ
230 
WWUS54 KMEG 080943
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
443 AM CDT Thu Apr 8 2021

MSC057-080953-
/O.EXP.KMEG.TO.W.0037.000000T0000Z-210408T0945Z/
Itawamba MS-
443 AM CDT Thu Apr 8 2021

...THE TORNADO WARNING FOR EASTERN ITAWAMBA COUNTY WILL EXPIRE AT 445
AM CDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

LAT...LON 3413 8836 3433 8836 3446 8816 3418 8819
TIME...MOT...LOC 0943Z 234DEG 21KT 3438 8818 

$$

MJ

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 7:23 PM CDTAreal Flood AdvisoryMEGDeSoto2 hr
Apr 7, 7:24 PM CDTSpecial Weather StatementMEGMarshall36 min
Apr 7, 7:59 PM CDTSpecial Weather StatementMEGCoahoma, Tunica31 min
Apr 7, 8:21 PM CDTAreal Flood AdvisoryMEGCoahoma, DeSoto, Panola, Quitman, Tate, Tunica91 min
Apr 7, 9:20 PM CDTSpecial Weather StatementMEGCalhoun, Pontotoc25 min
Apr 7, 9:47 PM CDTSpecial Weather StatementMEGPontotoc28 min
Apr 7, 10:39 PM CDTSpecial Weather StatementMEGCalhoun36 min
Apr 7, 11:07 PM CDTSpecial Weather StatementMEGChickasaw23 min
Apr 7, 11:20 PM CDTSevere Thunderstorm WarningMEGCalhoun, Chickasaw25 min
Apr 7, 11:40 PM CDTSpecial Weather StatementMEGMonroe35 min
Apr 8, 2:41 AM CDTSpecial Weather StatementMEGChickasaw34 min
Apr 8, 2:59 AM CDTSpecial Weather StatementMEGLee31 min
Apr 8, 3:17 AM CDTAreal Flood AdvisoryMEGCalhoun, Chickasaw, Lee, Monroe, Pontotoc3 hr
Apr 8, 3:31 AM CDTSpecial Weather StatementMEGMonroe29 min
Apr 8, 3:54 AM CDTSpecial Weather StatementMEGItawamba36 min
Apr 8, 11:49 AM CDTRiver Flood WarningMEGMonroe5 days
Apr 8, 11:57 AM CDTRiver Flood WarningMEGMonroe71 hr
Apr 8, 12:08 PM CDTRiver Flood WarningMEGLowndes, Monroe6 days

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.