Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 42, NWS Memphis, TN

March 27, 2021Phillips County, Arkansas; Coahoma County, Quitman County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Mar 27, 2021, 9:12 PM CDT for Phillips County, Arkansas; Coahoma County, Quitman County, Mississippi. It was in force for 48 min. 1 report 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 27, 2021, 9:12 PM CDT (02:12 UTC)
Expired
Mar 27, 2021, 10:00 PM CDT
In force
48 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Phillips County, AR, Coahoma County, MS, Quitman County, MS

The radar

The Little Rock radar (KLZK), 136 km from the middle of the area, began a volume at 02:11 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 27, 9:30 PM CDTTSTM WND DMG2 W Elaine, ARMETAL ROOFS WERE PEELED FROM OUTBUILDINGS ALONG HIGHWAY 20.

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, 2.2 hours before the alert went out and 108 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.

185 
WUUS54 KMEG 280212
SVRMEG
ARC107-MSC027-119-280300-
/O.NEW.KMEG.SV.W.0042.210328T0212Z-210328T0300Z/

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

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Central Phillips County in eastern Arkansas...
  Coahoma County in northwestern Mississippi...
  West central Quitman County in northwestern Mississippi...

* Until 1000 PM CDT.

* At 911 PM CDT, a severe thunderstorm was located 7 miles northeast
  of White River National Wildlife Refuge, moving east at 50 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...
  Clarksdale, Elaine, White River National Wildlife Refuge,
  Jonestown, Friars Point, Kings, Sherard, Lake View, Coahoma, Lyon,
  Lula, Mosby Spur, Wabash, Rudyard, Moon, Modoc, Preston Place, Hoop
  Spur, Westover and Beverly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3422 9106 3425 9108 3425 9106 3428 9108
      3430 9107 3429 9106 3430 9106 3431 9107
      3431 9105 3432 9106 3433 9105 3434 9100
      3445 9100 3449 9050 3444 9043 3435 9039
      3417 9041 3417 9109 3419 9109
TIME...MOT...LOC 0211Z 262DEG 43KT 3429 9102 

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

KRM
1 follow-up statement
442 
WWUS54 KMEG 280231
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
931 PM CDT Sat Mar 27 2021

ARC107-MSC027-119-280300-
/O.CON.KMEG.SV.W.0042.000000T0000Z-210328T0300Z/
Phillips AR-Coahoma MS-Quitman MS-
931 PM CDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR CENTRAL PHILLIPS...COAHOMA AND WEST CENTRAL QUITMAN COUNTIES...

At 930 PM CDT, a severe thunderstorm was located near Elaine, moving
east at 40 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...
Clarksdale, Elaine, White River National Wildlife Refuge, Jonestown,
Friars Point, Kings, Sherard, Lake View, Coahoma, Lyon, Lula, Mosby
Spur, Wabash, Rudyard, Moon, Modoc, Preston Place, Hoop Spur,
Westover and Beverly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3422 9106 3425 9108 3425 9106 3428 9108
      3430 9107 3429 9106 3430 9106 3431 9107
      3431 9105 3432 9106 3433 9105 3434 9100
      3445 9100 3449 9050 3444 9043 3435 9039
      3417 9041 3417 9109 3419 9109
TIME...MOT...LOC 0230Z 261DEG 36KT 3432 9080 

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

KRM

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 7:03 PM CDTTornado WarningMEGCrittenden, Mississippi, Poinsett42 min
Mar 27, 7:08 PM CDTTornado WarningMEGCross, St. Francis52 min
Mar 27, 7:10 PM CDTFlash Flood WarningMEGCrittenden, Cross, Mississippi, Poinsett, St. Francis3 hr
Mar 27, 7:17 PM CDTTornado WarningMEGLee, Phillips43 min
Mar 27, 7:39 PM CDTTornado WarningMEGCrittenden, Cross, Poinsett51 min
Mar 27, 7:50 PM CDTTornado WarningMEGCrittenden, Lee, St. Francis40 min
Mar 27, 8:07 PM CDTTornado WarningMEGCrittenden, Mississippi, Poinsett38 min
Mar 27, 8:26 PM CDTSevere Thunderstorm WarningMEGCrittenden, St. Francis11 min
Mar 27, 8:39 PM CDTSevere Thunderstorm WarningMEGMississippi34 min
Mar 27, 8:50 PM CDTSpecial Weather StatementMEGPhillips25 min
Mar 27, 9:09 PM CDTAreal Flood AdvisoryMEGCrittenden3 hr
Mar 27, 9:35 PM CDTTornado WarningMEGPhillips40 min
Mar 27, 9:37 PM CDTTornado WarningMEGPhillips53 min
Mar 27, 9:49 PM CDTTornado WarningMEGPhillips31 min
Mar 27, 9:53 PM CDTSevere Thunderstorm WarningMEGCrittenden52 min
Mar 27, 11:23 PM CDTFlash Flood WarningMEGPhillips4 hr
Mar 28, 11:45 AM CDTRiver Flood AdvisoryMEGLee, Phillips24 hr
Mar 27, 7:54 PM CDTSpecial Weather StatementMEGDeSoto21 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, 11:33 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, 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

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021Severe Thunderstorm Warnings in Arkansas, 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.