Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 89, NWS Memphis, TN

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

NWS Memphis, TN issued this severe thunderstorm warning at Apr 9, 2021, 6:57 PM CDT for Lee County, Pontotoc County, Union County, Mississippi. It was in force for 48 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
Apr 9, 2021, 6:57 PM CDT (23:57 UTC)
Expired
Apr 9, 2021, 7:45 PM CDT
In force
48 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
1.75 in
Wind
60.0 mph

Counties Lee County, MS, Pontotoc County, MS, Union County, MS

The radar

The Columbus AFB radar (KGWX), 75 km from the middle of the area, began a volume at 23:59 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, 7:15 PM CDTHAIL 1.254 E Ecru, MSON CENTER HILL RD
Apr 9, 7:49 PM CDTHAIL 1New Harmony, MS
Apr 9, 7:50 PM CDTHAIL 1Blue Springs, MS
Apr 9, 7:52 PM CDTHAIL 2.5Blue Springs, MS

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, 12.0 hours before the alert went out and 114 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.

455 
WUUS54 KMEG 092357
SVRMEG
MSC081-115-145-100045-
/O.NEW.KMEG.SV.W.0089.210409T2357Z-210410T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
657 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...
  Northeastern Pontotoc County in northeastern Mississippi...
  Northern Lee County in northeastern Mississippi...

* Until 745 PM CDT.

* At 657 PM CDT, a severe thunderstorm was located near Ecru, or 7
  miles north of Pontotoc, moving northeast at 25 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...
  Tupelo, Pontotoc, Saltillo, Guntown, Ecru, New Harmony, Blair,
  Sherman, Blue Springs, Hortontown, Graham, Endville, Jericho,
  Cherry Creek, Branyan, Ellistown, Jug Fork, Rough Edge, Nixon and
  Union Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3439 8859 3423 8900 3435 8912 3460 8882
      3460 8880 3453 8873 3451 8874 3451 8871
TIME...MOT...LOC 2357Z 226DEG 23KT 3435 8897 

HAIL...1.75IN
WIND...60MPH
 
$$
1 follow-up statement
026 
WWUS54 KMEG 100012
SVSMEG

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

MSC081-115-145-100045-
/O.CON.KMEG.SV.W.0089.000000T0000Z-210410T0045Z/
Union MS-Pontotoc MS-Lee MS-
712 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR EASTERN UNION...NORTHEASTERN PONTOTOC AND NORTHERN LEE
COUNTIES...

At 712 PM CDT, a severe thunderstorm was located over New Harmony, or
7 miles north of Trace State Park, moving northeast at 20 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...
Saltillo, Guntown, Ecru, New Harmony, Blair, Sherman, Blue Springs,
Graham, Endville, Jericho, Cherry Creek, Branyan, Ellistown, Jug
Fork, Union Hill, Wallerville, Alpine, Ingomar, Birmingham and
Corrona.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3439 8859 3429 8900 3440 8905 3460 8882
      3460 8880 3453 8873 3451 8874 3451 8871
TIME...MOT...LOC 0012Z 227DEG 19KT 3436 8894 

TORNADO...POSSIBLE
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, 6:37 PM CDTSevere Thunderstorm WarningMEGLee, Tippah, Union38 min
Apr 9, 6:45 PM CDTTornado WarningMEGLee, Tippah, Union21 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.