Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 96, NWS Memphis, TN

April 9, 2021Chickasaw County, Monroe County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Apr 9, 2021, 8:38 PM CDT for Chickasaw County, Monroe County, Mississippi. It was in force for 52 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, 8:38 PM CDT (01:38 UTC)
Expired
Apr 9, 2021, 9:30 PM CDT
In force
52 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Chickasaw County, MS, Monroe County, MS

The radar

The Columbus AFB radar (KGWX), 33 km from the middle of the area, began a volume at 01:38 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, 8:42 PM CDTTSTM WND DMG1 Sse Houston, MSSIGNIFICANT DAMAGE TO THE AWNING AT HOUSTON MIDDLE SCHOOL.
Apr 9, 8:52 PM CDTTSTM WND DMGHouston, MSLAW ENFORCEMENT REPORT OF TREES ON 3 HOUSES, TREES SCATTERED ACROSS THE HWY AS WELL AS UPROOTED TREES ACROSS NATCHEZ TRACE.
Apr 9, 8:55 PM CDTTSTM WND DMG6 Ssw Okolona, MSTREE FELL ON A HOME ON COUNTY ROAD 411 SOUTH OF OKOLONA CAUSING MAJOR DAMAGE TO THE RESIDENCE.
Apr 9, 9:03 PM CDTTSTM WND DMGWoodland, MSTREE ON HOUSE IN CHICKASAW COUNTY 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 00:00Z, 1.6 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 2021-04-10Temperature 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 00:00Z on 2021-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 326 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
2032 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
326 m²/s²
0-3 km storm-relative helicity
590 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

455 
WUUS54 KMEG 100138
SVRMEG
MSC017-095-100230-
/O.NEW.KMEG.SV.W.0096.210410T0138Z-210410T0230Z/

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

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Central Chickasaw County in northeastern Mississippi...
  Monroe County in northeastern Mississippi...

* Until 930 PM CDT.

* At 838 PM CDT, a severe thunderstorm was located near Montpelier,
  moving east at 50 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Amory, Aberdeen, Houston, Okolona, Smithville, Prairie, Pyland, New
  Wren, Trebloc, Hatley, Woodland, Quincy, Egypt, Wren, Strong,
  McCondy, Muldon, Buena Vista, Sparta and Binford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3367 8850 3368 8850 3368 8872 3381 8872
      3381 8893 3375 8893 3374 8911 3391 8914
      3408 8840 3374 8831 3368 8837 3369 8839
      3367 8841
TIME...MOT...LOC 0138Z 265DEG 45KT 3378 8896 

HAIL...<.75IN
WIND...60MPH
 
$$
2 follow-up statements
526 
WWUS54 KMEG 100146
SVSMEG

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

MSC017-095-100230-
/O.CON.KMEG.SV.W.0096.000000T0000Z-210410T0230Z/
Chickasaw MS-Monroe MS-
846 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR CENTRAL CHICKASAW AND MONROE COUNTIES...

At 845 PM CDT, a severe thunderstorm was located over Trebloc, or 9
miles northeast of Montpelier, moving east at 50 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Amory, Aberdeen, Houston, Okolona, Smithville, Prairie, Pyland, New
Wren, Trebloc, Hatley, Woodland, Quincy, Egypt, Wren, Strong,
McCondy, Muldon, Buena Vista, Sparta and Binford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3367 8850 3368 8850 3368 8872 3381 8872
      3381 8893 3375 8893 3374 8911 3391 8914
      3408 8840 3374 8831 3368 8837 3369 8839
      3367 8841
TIME...MOT...LOC 0145Z 254DEG 45KT 3383 8885 

HAIL...<.75IN
WIND...70MPH
 
$$
996 
WWUS54 KMEG 100158
SVSMEG

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

MSC017-095-100230-
/O.CON.KMEG.SV.W.0096.000000T0000Z-210410T0230Z/
Chickasaw MS-Monroe MS-
858 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR CENTRAL CHICKASAW AND MONROE COUNTIES...

At 858 PM CDT, a severe thunderstorm was located near Prairie, or
near Aberdeen, moving east at 50 mph.

This is a very dangerous storm.

HAZARD...90 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be heavily damaged or destroyed. Homes and businesses 
         will have substantial roof and window damage. Expect 
         extensive tree damage and power outages.

Locations impacted include...
Amory, Aberdeen, Houston, Okolona, Smithville, Prairie, Pyland, New
Wren, Trebloc, Hatley, Woodland, Quincy, Egypt, Wren, Strong,
McCondy, Muldon, Buena Vista, Sparta and Binford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. This storm has the potential to cause
serious injury and significant property damage.

&&

LAT...LON 3367 8850 3368 8850 3368 8872 3381 8872
      3381 8893 3375 8893 3374 8911 3391 8914
      3408 8840 3374 8831 3368 8837 3369 8839
      3367 8841
TIME...MOT...LOC 0158Z 265DEG 45KT 3384 8865 

HAIL...<.75IN
WIND...90MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 7:14 PM CDTTornado WarningMEGLee, Pontotoc, Union31 min
Apr 9, 7:38 PM CDTSpecial Weather StatementMEGCalhoun, Lafayette, Marshall, Yalobusha52 min
Apr 9, 7:45 PM CDTSevere Thunderstorm WarningMEGItawamba, Lee, Pontotoc, Prentiss, Union45 min
Apr 9, 7:54 PM CDTFlash Flood WarningMEGLee, Pontotoc, Union5 hr
Apr 9, 8:01 PM CDTSevere Thunderstorm WarningMEGAlcorn, Tishomingo44 min
Apr 9, 8:09 PM CDTSevere Thunderstorm WarningMEGItawamba, Prentiss, Tishomingo25 min
Apr 9, 8:13 PM CDTSevere Thunderstorm WarningMEGChickasaw, Lee, Pontotoc47 min
Apr 9, 8:31 PM CDTAreal Flood AdvisoryMEGItawamba, Lee, Prentiss3 hr
Apr 9, 8:38 PM CDTAreal Flood AdvisoryMEGAlcorn, Tippah, Tishomingo3 hr
Apr 9, 8:55 PM CDTSevere Thunderstorm WarningMEGChickasaw, Itawamba, Lee, Monroe, Pontotoc50 min
Apr 9, 9:04 PM CDTAreal Flood AdvisoryMEGCalhoun, Chickasaw, Lee, Pontotoc3 hr
Apr 9, 9:08 PM CDTAreal Flood AdvisoryMEGLee, Pontotoc28 min
Apr 9, 9:09 PM CDTSevere Thunderstorm WarningMEGItawamba, Lee, Monroe51 min
Apr 9, 9:36 PM CDTFlash Flood WarningMEGLee, Pontotoc3 hr
Apr 10, 4:32 AM CDTRiver Flood WarningMEGLee8 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.