Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 102, NWS Memphis, TN

May 3, 2021DeSoto County, Marshall County, Tate County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at May 3, 2021, 1:45 AM CDT for DeSoto County, Marshall County, Tate County, Mississippi. It was in force for 45 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
May 3, 2021, 1:45 AM CDT (06:45 UTC)
Expired
May 3, 2021, 2:30 AM CDT
In force
45 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties DeSoto County, MS, Marshall County, MS, Tate County, MS

The radar

The Memphis radar (KNQA), 51 km from the middle of the area, began a volume at 06:47 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, 6.8 hours before the alert went out and 22 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 2021-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 36 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 2021-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.193958Sfc1 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
36 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
777 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

412 
WUUS54 KMEG 030645
SVRMEG
MSC033-093-137-030730-
/O.NEW.KMEG.SV.W.0102.210503T0645Z-210503T0730Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
145 AM CDT Mon May 3 2021

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  DeSoto County in northwestern Mississippi...
  Northern Marshall County in northwestern Mississippi...
  Northern Tate County in northwestern Mississippi...

* Until 230 AM CDT.

* At 145 AM CDT, a severe thunderstorm was located near Hernando,
  moving east at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Southaven, Olive Branch, Horn Lake, Hernando, Holly Springs,
  Byhalia, Mt Pleasant, Phillipp, Lewisburg, Red Banks, Slayden,
  Piperton, Coal Oil Corner, Cayce, Cockrum, Frees Corners, Watson,
  Cedarview, Bright and Nesbit.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3499 9005 3500 8967 3499 8935 3488 8935
      3478 8937 3471 9021
TIME...MOT...LOC 0645Z 257DEG 40KT 3486 8993 

HAIL...<.75IN
WIND...60MPH
 
$$

MJ
1 follow-up statement
779 
WWUS54 KMEG 030701
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
201 AM CDT Mon May 3 2021

MSC033-093-137-030730-
/O.CON.KMEG.SV.W.0102.000000T0000Z-210503T0730Z/
DeSoto MS-Marshall MS-Tate MS-
201 AM CDT Mon May 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR EASTERN DESOTO...NORTHERN MARSHALL AND NORTHERN TATE COUNTIES...

At 200 AM CDT, a severe thunderstorm was located over Lewisburg, or
near Olive Branch, moving east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Southaven, Olive Branch, Hernando, Holly Springs, Byhalia, Mt
Pleasant, Lewisburg, Red Banks, Slayden, Piperton, Coal Oil Corner,
Cayce, Cockrum, Watson, Cedarview, Bright, Nesbit, Handy Corner,
Taska and Robinson Gin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3500 8967 3499 8935 3488 8935 3478 8937
      3471 9016 3485 9005 3499 8987
TIME...MOT...LOC 0700Z 258DEG 28KT 3488 8980 

HAIL...<.75IN
WIND...60MPH
 
$$

MJ

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 7:42 PM CDTTornado WarningMEGCalhoun, Chickasaw48 min
May 2, 8:29 PM CDTTornado WarningMEGCalhoun, Chickasaw, Pontotoc46 min
May 2, 9:13 PM CDTTornado WarningMEGChickasaw, Lee, Pontotoc47 min
May 2, 9:53 PM CDTTornado Warning EmergencyTornado observedCatastrophic damage threatMEGItawamba, Lee, Prentiss, Tishomingo52 min
May 2, 10:37 PM CDTTornado Warning Tornado observedConsiderable damage threatMEGItawamba, Prentiss, Tishomingo38 min
May 3, 12:12 AM CDTSpecial Weather StatementMEGLafayette33 min
May 3, 12:38 AM CDTSpecial Weather StatementMEGTippah37 min
May 3, 12:48 AM CDTSpecial Weather StatementMEGTunica27 min
May 3, 12:49 AM CDTSpecial Weather StatementMEGPontotoc26 min
May 3, 1:31 AM CDTSpecial Weather StatementMEGDeSoto29 min
May 3, 2:30 AM CDTSpecial Weather StatementMEGBenton30 min
May 3, 2:36 AM CDTSpecial Weather StatementMEGMarshall24 min
May 3, 5:57 AM CDTAreal Flood AdvisoryMEGDeSoto110 min
May 3, 12:05 PM CDTSpecial Weather StatementMEGClay25 min
May 3, 12:23 PM CDTSpecial Weather StatementMEGMonroe37 min
May 3, 12:31 PM CDTSpecial Weather StatementMEGMonroe29 min
May 3, 1:01 PM CDTSpecial Weather StatementMEGMonroe29 min
May 3, 1:30 PM CDTSpecial Weather StatementMEGMonroe30 min

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.