Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 57, NWS Memphis, TN

March 28, 20217 counties in Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Mar 28, 2021, 12:59 AM CDT for 7 counties in Mississippi. It was in force for 46 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
Mar 28, 2021, 12:59 AM CDT (05:59 UTC)
Expired
Mar 28, 2021, 1:45 AM CDT
In force
46 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Calhoun County, MS, Chickasaw County, MS, Lafayette County, MS, Panola County, MS, Pontotoc County, MS, Tallahatchie County, MS, Yalobusha County, MS

The radar

The Columbus AFB radar (KGWX), 142 km from the middle of the area, began a volume at 06:01 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
Mar 28, 1:00 AM CDTTSTM WND DMGWater Valley, MSSEVERAL TREES DOWN AND THE ROOF WAS BLOWN OFF AN OUTBUILDING.
Mar 28, 1:20 AM CDTTSTM WND DMG3 Wsw Tula, MSNUMEROUS TREES AND POWER LINES DOWN ALONG CR 430 BETWEEN PARIS AND TULA.
Mar 28, 1:33 AM CDTTSTM WND DMGBruce, MSLARGE TREE FELL ONTO A HOUSE ON DENTON STREET
Mar 28, 1:52 AM CDTTSTM WND DMG3 Wnw Algoma, MSTREES DOWN ON HOME ALONG HIGHWAY 341. TREES BROKE WINDOWS AND CAUSED DAMAGE TO ROOF AND SIDING.

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
Mar 27, 9:01 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 6.0 hours before the alert went out and 106 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.

484 
WUUS54 KMEG 280559
SVRMEG
MSC013-017-071-107-115-135-161-280645-
/O.NEW.KMEG.SV.W.0057.210328T0559Z-210328T0645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
1259 AM CDT Sun Mar 28 2021

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Southern Lafayette County in northwestern Mississippi...
  Western Chickasaw County in northeastern Mississippi...
  Yalobusha County in northwestern Mississippi...
  Calhoun County in northeastern Mississippi...
  Pontotoc County in northeastern Mississippi...
  Southeastern Tallahatchie County in northwestern Mississippi...
  Southeastern Panola County in northwestern Mississippi...

* Until 145 AM CDT.

* At 1259 AM CDT, severe thunderstorms were located along a line
  extending from near Burgess to near Velma to near Paynes, moving
  east at 75 mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Oxford, Pontotoc, Houston, Water Valley, Charleston, Trace State
  Park, George Payne State Park, Holly Springs National Forest,
  Bruce, Calhoun City, Vardaman, Derma, Coffeeville, Ecru, Pittsboro,
  Slate Springs, Paynes, Sabougla, Randolph and Troy.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3375 9029 3377 9018 3381 9018 3381 9026
      3415 8991 3440 8984 3436 8882 3410 8883
      3374 8913 3372 8951 3387 8951 3387 8974
      3390 8977 3390 8992 3382 8993 3381 9014
      3372 9014 3374 9024 3370 9026 3370 9030
TIME...MOT...LOC 0559Z 268DEG 64KT 3439 8973 3409 8959 3388 9005 

HAIL...<.75IN
WIND...70MPH
 
$$
1 follow-up statement
609 
WWUS54 KMEG 280628
SVSMEG

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

MSC107-280638-
/O.CAN.KMEG.SV.W.0057.000000T0000Z-210328T0645Z/
Panola MS-
128 AM CDT Sun Mar 28 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PANOLA COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

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

LAT...LON 3375 9029 3376 9019 3381 9018 3381 9026
      3410 8994 3418 8951 3438 8940 3436 8882
      3410 8883 3374 8913 3372 8951 3387 8951
      3387 8974 3390 8992 3382 8993 3381 9014
      3372 9014 3374 9024 3370 9027 3370 9030
TIME...MOT...LOC 0628Z 268DEG 64KT 3441 8913 3411 8899 3390 8945 

$$

MSC013-017-071-115-135-161-280645-
/O.CON.KMEG.SV.W.0057.000000T0000Z-210328T0645Z/
Lafayette MS-Chickasaw MS-Yalobusha MS-Calhoun MS-Pontotoc MS-
Tallahatchie MS-
128 AM CDT Sun Mar 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CDT
FOR SOUTHEASTERN LAFAYETTE...WESTERN CHICKASAW...YALOBUSHA...
CALHOUN...PONTOTOC AND SOUTHEASTERN TALLAHATCHIE COUNTIES...

At 128 AM CDT, severe thunderstorms were located along a line
extending from near Pinedale to near Houlka to 7 miles southwest of
Pittsboro, moving east at 75 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Pontotoc, Houston, Water Valley, Charleston, Trace State Park, Bruce,
Calhoun City, Vardaman, Derma, Coffeeville, Ecru, Pittsboro, Slate
Springs, Paynes, Sabougla, Randolph, Troy, Velma, Pyland and Banner.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3375 9029 3376 9019 3381 9018 3381 9026
      3410 8994 3418 8951 3438 8940 3436 8882
      3410 8883 3374 8913 3372 8951 3387 8951
      3387 8974 3390 8992 3382 8993 3381 9014
      3372 9014 3374 9024 3370 9027 3370 9030
TIME...MOT...LOC 0628Z 268DEG 64KT 3441 8913 3411 8899 3390 8945 

HAIL...<.75IN
WIND...70MPH
 
$$

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, 11:41 PM CDTSevere Thunderstorm WarningMEGCoahoma, Tallahatchie49 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, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.