Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 145, NWS Memphis, TN

May 9, 20216 counties in Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at May 9, 2021, 7:28 PM CDT for 6 counties in Mississippi. It was in force for 67 min. 6 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
May 9, 2021, 7:28 PM CDT (00:28 UTC)
Expired
May 9, 2021, 8:35 PM CDT
In force
67 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Chickasaw County, MS, Itawamba County, MS, Lee County, MS, Monroe County, MS, Pontotoc County, MS, Union County, MS

The radar

The Columbus AFB radar (KGWX), 15 km from the middle of the area, began a volume at 00:30 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
May 9, 7:32 PM CDTTSTM WND DMG5 Nw Tupelo, MSSEVERAL TREES DOWN IN TOWN OF BELDEN.
May 9, 7:39 PM CDTHAIL 0.754 Sse Algoma, MS
May 9, 7:45 PM CDTTSTM WND DMG3 S Plantersville, MSNUMEROUS TREES DOWN ON HIGHWAY 6 NEAR RD 598.
May 9, 7:55 PM CDTTSTM WND DMGEvergreen, MSNUMEROUS TREES DOWN IN THE EVERGREEN AREA.
May 9, 7:58 PM CDTTSTM WND DMGAmory, MSTREE SNAPPED IN HALF IN AMORY.
May 9, 8:15 PM CDTTSTM WND DMG3 N New Salem, MSTREE FELL ON MOBILE HOME CAUSING SIGNIFICANT DAMAGE IN THE TILDEN COMMUNITY.

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
May 9, 2:27 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 0.5 hours before the alert went out and 170 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 2021-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 762 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 2021-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -37 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
762 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
787 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-37 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted.

738 
WUUS54 KMEG 100028
SVRMEG
MSC017-057-081-095-115-145-100145-
/O.NEW.KMEG.SV.W.0145.210510T0028Z-210510T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
728 PM CDT Sun May 9 2021

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Northeastern Chickasaw County in northeastern Mississippi...
  Southeastern Union County in northeastern Mississippi...
  Eastern Pontotoc County in northeastern Mississippi...
  Itawamba County in northeastern Mississippi...
  Lee County in northeastern Mississippi...
  Monroe County in northeastern Mississippi...

* Until 845 PM CDT.

* At 724 PM CDT, a severe thunderstorm was located over Pontotoc,
  moving southeast at 45 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...
  Tupelo, Amory, Aberdeen, Fulton, Verona, Okolona, Trace State Park,
  Tombigbee State Park, Saltillo, Guntown, Shannon, Plantersville,
  Mantachie, Smithville, Tremont, Prairie, Fairview, Troy, New Salem
  and New Wren.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3404 8908 3449 8881 3434 8817 3376 8825
      3375 8825 3374 8833 3372 8833 3368 8837
      3369 8839 3367 8841 3367 8846
TIME...MOT...LOC 0024Z 296DEG 38KT 3422 8899 

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

SWB
2 follow-up statements
584 
WWUS54 KMEG 100104
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
804 PM CDT Sun May 9 2021

MSC145-100114-
/O.CAN.KMEG.SV.W.0145.000000T0000Z-210510T0145Z/
Union MS-
804 PM CDT Sun May 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN UNION COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
northeastern Mississippi.

LAT...LON 3403 8905 3441 8846 3434 8817 3376 8825
      3375 8825 3374 8833 3372 8833 3368 8837
      3369 8839 3367 8841 3367 8846
TIME...MOT...LOC 0104Z 296DEG 58KT 3396 8838 

$$

MSC017-057-081-095-115-100145-
/O.CON.KMEG.SV.W.0145.000000T0000Z-210510T0145Z/
Chickasaw MS-Pontotoc MS-Itawamba MS-Lee MS-Monroe MS-
804 PM CDT Sun May 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR NORTHEASTERN CHICKASAW...SOUTHEASTERN PONTOTOC...ITAWAMBA...
SOUTHERN LEE AND MONROE COUNTIES...

At 804 PM CDT, a severe thunderstorm was located near Amory, moving
southeast at 65 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Tupelo, Amory, Aberdeen, Fulton, Verona, Okolona, Tombigbee State
Park, Shannon, Plantersville, Mantachie, Smithville, Tremont,
Prairie, Fairview, New Salem, New Wren, Houlka, Evergreen, Clay and
Nettleton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3403 8905 3441 8846 3434 8817 3376 8825
      3375 8825 3374 8833 3372 8833 3368 8837
      3369 8839 3367 8841 3367 8846
TIME...MOT...LOC 0104Z 296DEG 58KT 3396 8838 

HAIL...<.75IN
WIND...60MPH
 
$$
286 
WWUS54 KMEG 100135
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
835 PM CDT Sun May 9 2021

MSC017-057-081-095-115-100144-
/O.CAN.KMEG.SV.W.0145.000000T0000Z-210510T0145Z/
Chickasaw MS-Pontotoc MS-Itawamba MS-Lee MS-Monroe MS-
835 PM CDT Sun May 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CHICKASAW...
SOUTHEASTERN PONTOTOC...ITAWAMBA...SOUTHERN LEE AND MONROE COUNTIES
IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
northeastern Mississippi.

LAT...LON 3403 8905 3441 8846 3434 8817 3376 8825
      3375 8825 3374 8833 3372 8833 3368 8837
      3369 8839 3367 8841 3367 8846
TIME...MOT...LOC 0132Z 296DEG 38KT 3382 8803 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 7:05 PM CDTSevere Thunderstorm WarningMEGChickasaw, Lafayette, Lee, Pontotoc, Union40 min
May 9, 7:18 PM CDTSevere Thunderstorm WarningMEGCalhoun, Chickasaw, Yalobusha27 min
May 9, 7:21 PM CDTSpecial Weather StatementMEGCoahoma, Quitman24 min
May 9, 7:28 PM CDTSpecial Weather StatementMEGTishomingo32 min
May 9, 7:44 PM CDTSevere Thunderstorm WarningMEGTishomingo16 min
May 9, 7:45 PM CDTAreal Flood AdvisoryMEGCoahoma, Panola, Quitman, Tallahatchie2 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.