Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 52, NWS Memphis, TN

March 27, 2021Coahoma County, Tallahatchie County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Mar 27, 2021, 11:41 PM CDT for Coahoma County, Tallahatchie 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
Mar 27, 2021, 11:41 PM CDT (04:41 UTC)
Expired
Mar 28, 2021, 12:30 AM CDT
In force
49 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Coahoma County, MS, Tallahatchie County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 173 km from the middle of the area, began a volume at 04:40 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, 4.7 hours before the alert went out and 116 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.

787 
WUUS54 KMEG 280441
SVRMEG
MSC027-135-280530-
/O.NEW.KMEG.SV.W.0052.210328T0441Z-210328T0530Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
1141 PM CDT Sat Mar 27 2021

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  South central Coahoma County in northwestern Mississippi...
  Tallahatchie County in northwestern Mississippi...

* Until 1230 AM CDT.

* At 1141 PM CDT, a severe thunderstorm was located near Mound Bayou,
  or 7 miles north of Cleveland, moving east at 60 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Charleston, Tutwiler, Webb, Sumner, Paynes, Sunnyside, Glendora,
  Distall, Swan Lake, Cascilla, Mikoma, Tippo, Stover, Leverett,
  Waverly, Whitehead, Brazil, Albin, Effie and Rosebloom.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 400 AM CDT for northwestern
Mississippi.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3370 9030 3372 9031 3375 9030 3376 9019
      3378 9017 3381 9018 3381 9045 3399 9045
      3399 9066 3401 9066 3408 9004 3407 8993
      3382 8993 3381 9007 3381 9014 3372 9014
      3372 9022 3374 9024 3370 9026 3369 9029
TIME...MOT...LOC 0441Z 269DEG 52KT 3384 9069 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

KRM
2 follow-up statements
627 
WWUS54 KMEG 280504
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1204 AM CDT Sun Mar 28 2021

MSC027-135-280530-
/O.CON.KMEG.SV.W.0052.000000T0000Z-210328T0530Z/
Coahoma MS-Tallahatchie MS-
1204 AM CDT Sun Mar 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT
FOR SOUTH CENTRAL COAHOMA AND TALLAHATCHIE COUNTIES...

At 1203 AM CDT, a severe thunderstorm was located over Webb, or 9
miles east of Parchman, moving east at 60 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Charleston, Tutwiler, Webb, Sumner, Paynes, Sunnyside, Glendora,
Distall, Swan Lake, Cascilla, Mikoma, Tippo, Stover, Leverett,
Waverly, Whitehead, Brazil, Albin, Effie and Rosebloom.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 400 AM CDT for northwestern
Mississippi.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3370 9030 3372 9031 3375 9030 3376 9019
      3378 9017 3381 9018 3381 9045 3399 9045
      3399 9066 3401 9066 3408 9004 3407 8993
      3382 8993 3381 9007 3381 9014 3372 9014
      3372 9022 3374 9024 3370 9026 3369 9029
TIME...MOT...LOC 0503Z 268DEG 53KT 3392 9034 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$
822 
WWUS54 KMEG 280526
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1226 AM CDT Sun Mar 28 2021

MSC027-135-280535-
/O.EXP.KMEG.SV.W.0052.000000T0000Z-210328T0530Z/
Coahoma MS-Tallahatchie MS-
1226 AM CDT Sun Mar 28 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL COAHOMA AND
TALLAHATCHIE COUNTIES WILL EXPIRE AT 1230 AM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

A Tornado Watch remains in effect until 400 AM CDT for northwestern
Mississippi.

Remember, a Tornado Warning still remains in effect for 
the extreme southern portion of Hardin County until 1245 AM!

LAT...LON 3370 9030 3372 9031 3375 9030 3376 9019
      3378 9017 3381 9018 3381 9045 3399 9045
      3399 9066 3401 9066 3408 9004 3407 8993
      3382 8993 3381 9007 3381 9014 3372 9014
      3372 9022 3374 9024 3370 9026 3369 9029
TIME...MOT...LOC 0525Z 269DEG 52KT 3392 9000 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 7:50 PM CDTTornado WarningMEGTunica40 min
Mar 27, 7:54 PM CDTSpecial Weather StatementMEGDeSoto21 min
Mar 27, 8:26 PM CDTSevere Thunderstorm WarningMEGDeSoto, Tunica11 min
Mar 27, 9:12 PM CDTSevere Thunderstorm WarningMEGCoahoma, Quitman48 min
Mar 27, 9:35 PM CDTTornado WarningMEGCoahoma40 min
Mar 27, 9:37 PM CDTTornado WarningMEGCoahoma, Quitman, Tunica53 min
Mar 27, 9:49 PM CDTTornado WarningMEGCoahoma, Tunica31 min
Mar 27, 9:53 PM CDTSevere Thunderstorm WarningMEGDeSoto, Tunica52 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, 11:23 PM CDTFlash Flood WarningMEGCoahoma, Panola, Quitman, Tate, Tunica4 hr
Mar 27, 11:33 PM CDTSevere Thunderstorm WarningMEGAlcorn, Benton, Lafayette, Lee, Prentiss, Tippah and 2 more42 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
Mar 28, 11:45 AM CDTRiver Flood AdvisoryMEGCoahoma, Tunica24 hr

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021Every severe thunderstorm warning 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.