Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 86, NWS Memphis, TN

April 9, 2021Lee County, Tippah County, Union County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Apr 9, 2021, 6:37 PM CDT for Lee County, Tippah County, Union County, Mississippi. It was in force for 38 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
Apr 9, 2021, 6:37 PM CDT (23:37 UTC)
Expired
Apr 9, 2021, 7:15 PM CDT
In force
38 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Lee County, MS, Tippah County, MS, Union County, MS

The radar

The Columbus AFB radar (KGWX), 81 km from the middle of the area, began a volume at 23:41 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
Apr 9, 6:40 PM CDTHAIL 2.754 S New Albany, MSBASEBALL SIZE HAIL IN INGOMAR, MISSISSIPPI.

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
Apr 9, 3:42 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 11.6 hours before the alert went out and 111 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 12:00Z on 2021-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2021-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2139 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
141 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

861 
WUUS54 KMEG 092337
SVRMEG
MSC081-139-145-100015-
/O.NEW.KMEG.SV.W.0086.210409T2337Z-210410T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
637 PM CDT Fri Apr 9 2021

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Eastern Union County in northeastern Mississippi...
  Northwestern Lee County in northeastern Mississippi...
  South central Tippah County in northeastern Mississippi...

* Until 715 PM CDT.

* At 636 PM CDT, a severe thunderstorm was located near New Albany,
  moving northeast at 15 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  New Albany, Keownville, Dumas, Union Hill, Graham, Martintown,
  Wallerville, Jericho, Branyan, Ellistown, Concord, Alpine, Ingomar,
  Corrona, Graves, Molino, Baker, Locum, Parks and Bethany.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3447 8866 3440 8905 3449 8907 3469 8884
      3456 8873 3451 8874 3451 8869
TIME...MOT...LOC 2336Z 235DEG 12KT 3445 8900 

HAIL...1.25IN
WIND...60MPH
 
$$
2 follow-up statements
698 
WWUS54 KMEG 092343
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
643 PM CDT Fri Apr 9 2021

MSC081-139-145-100015-
/O.CON.KMEG.SV.W.0086.000000T0000Z-210410T0015Z/
Union MS-Lee MS-Tippah MS-
643 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR EASTERN UNION...NORTHWESTERN LEE AND SOUTH CENTRAL TIPPAH
COUNTIES...

At 643 PM CDT, a severe thunderstorm was located near New Albany,
moving east at 15 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
New Albany, Keownville, Dumas, Union Hill, Graham, Martintown,
Wallerville, Jericho, Branyan, Ellistown, Concord, Alpine, Ingomar,
Corrona, Graves, Molino, Baker, Locum, Parks and Bethany.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3447 8866 3440 8905 3449 8907 3469 8884
      3456 8873 3451 8874 3451 8869
TIME...MOT...LOC 2343Z 249DEG 11KT 3443 8899 

TORNADO...POSSIBLE
HAIL...1.75IN
WIND...60MPH
 
$$
329 
WWUS54 KMEG 100007
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
707 PM CDT Fri Apr 9 2021

MSC081-139-145-100015-
/O.CON.KMEG.SV.W.0086.000000T0000Z-210410T0015Z/
Union MS-Lee MS-Tippah MS-
707 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR EASTERN UNION...NORTHWESTERN LEE AND SOUTH CENTRAL TIPPAH
COUNTIES...

At 707 PM CDT, a severe thunderstorm was located near Keownville, or
near New Albany, moving northeast at 15 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
New Albany, Keownville, Dumas, Union Hill, Graham, Wallerville,
Jericho, Branyan, Ellistown, Alpine, Ingomar, Corrona, Graves,
Molino, Baker, Locum, Parks, Bethany and Beacon Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.

&&

LAT...LON 3447 8866 3440 8905 3467 8882 3456 8873
      3451 8874 3451 8869
TIME...MOT...LOC 0007Z 235DEG 12KT 3448 8891 

HAIL...1.75IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 4:12 PM CDTSpecial Weather StatementMEGCoahoma, Quitman33 min
Apr 9, 5:10 PM CDTSpecial Weather StatementMEGTunica35 min
Apr 9, 5:26 PM CDTSevere Thunderstorm WarningMEGCoahoma49 min
Apr 9, 5:36 PM CDTSevere Thunderstorm WarningMEGBenton, Marshall39 min
Apr 9, 5:50 PM CDTSevere Thunderstorm WarningMEGCoahoma, Quitman, Tallahatchie40 min
Apr 9, 6:08 PM CDTSpecial Weather StatementMEGUnion37 min
Apr 9, 6:31 PM CDTSpecial Weather StatementMEGCoahoma, Quitman, Tallahatchie29 min
Apr 9, 6:45 PM CDTTornado WarningMEGLee, Tippah, Union21 min
Apr 9, 6:57 PM CDTSevere Thunderstorm WarningMEGLee, Pontotoc, Union48 min
Apr 9, 6:59 PM CDTSpecial Weather StatementMEGPanola, Quitman, Tallahatchie, Tate, Yalobusha46 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.