Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 94, NWS Memphis, TN

April 9, 2021Itawamba County, Prentiss County, Tishomingo County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Apr 9, 2021, 8:09 PM CDT for Itawamba County, Prentiss County, Tishomingo County, Mississippi. It was in force for 25 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, 8:09 PM CDT (01:09 UTC)
Expired: Apr 9, 2021, 8:34 PM CDT
In force: 25 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Itawamba County, MS, Prentiss County, MS, Tishomingo County, MS

The radar

The Columbus AFB radar (KGWX), 79 km from the middle of the area, began a volume at 01:11 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

Time	Report	Where	Remark
Apr 9, 8:10 PM CDT	HAIL 1	1 Se Kirkville, MS	QUARTER SIZE HAIL NEAR HIGHWAY 371 AND BURNS RD.

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.

Issued	Product	Office	Lasted
Apr 9, 3:42 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 1.2 hours before the alert went out and 147 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

082 
WUUS54 KMEG 100109
SVRMEG
MSC057-117-141-100200-
/O.NEW.KMEG.SV.W.0094.210410T0109Z-210410T0200Z/

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

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Northwestern Itawamba County in northeastern Mississippi...
  Southern Tishomingo County in northeastern Mississippi...
  Eastern Prentiss County in northeastern Mississippi...

* Until 900 PM CDT.

* At 808 PM CDT, a severe thunderstorm was located near Sandy
  Springs, or 11 miles southeast of Baldwyn, moving north at 35 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...
  Tishomingo, Sandy Springs, Thrashers, Burton, Midway, Marietta,
  Paden, Thrasher, Moores Mill, Kirkville, Holcut, Hobo Station,
  Holts Spur, Neil and Altitude.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3438 8833 3440 8850 3476 8848 3476 8837
      3478 8837 3477 8814
TIME...MOT...LOC 0108Z 193DEG 28KT 3444 8846 

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

2 follow-up statements

490 
WWUS54 KMEG 100124
SVSMEG

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

MSC057-100134-
/O.CAN.KMEG.SV.W.0094.000000T0000Z-210410T0200Z/
Itawamba MS-
824 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ITAWAMBA 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 1100 PM CDT for
northeastern Mississippi.

LAT...LON 3446 8829 3446 8845 3448 8849 3476 8848
      3476 8837 3478 8837 3477 8814
TIME...MOT...LOC 0124Z 193DEG 28KT 3456 8843 

$$

MSC117-141-100200-
/O.CON.KMEG.SV.W.0094.000000T0000Z-210410T0200Z/
Tishomingo MS-Prentiss MS-
824 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTHERN TISHOMINGO AND EASTERN PRENTISS COUNTIES...

At 824 PM CDT, a severe thunderstorm was located 7 miles southwest of
Burton, or 10 miles southeast of Booneville, moving north at 30 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...
Tishomingo, Burton, Midway, Marietta, Paden, Thrasher, Holcut, Moores
Mill, Hobo Station, Holts Spur, Neil and Altitude.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3446 8829 3446 8845 3448 8849 3476 8848
      3476 8837 3478 8837 3477 8814
TIME...MOT...LOC 0124Z 193DEG 28KT 3456 8843 

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

SJM

094 
WWUS54 KMEG 100134
SVSMEG

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

MSC117-141-100144-
/O.CAN.KMEG.SV.W.0094.000000T0000Z-210410T0200Z/
Tishomingo MS-Prentiss MS-
834 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN TISHOMINGO AND
EASTERN PRENTISS COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
northeastern Mississippi.

LAT...LON 3446 8829 3446 8845 3448 8849 3476 8848
      3476 8837 3478 8837 3477 8814
TIME...MOT...LOC 0130Z 193DEG 28KT 3464 8841 

$$

SJM

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 7:14 PM CDT	Tornado Warning	MEG	Lee, Pontotoc, Union	31 min
Apr 9, 7:38 PM CDT	Special Weather Statement	MEG	Calhoun, Lafayette, Marshall, Yalobusha	52 min
Apr 9, 7:45 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Lee, Pontotoc, Prentiss, Union	45 min
Apr 9, 7:54 PM CDT	Flash Flood Warning	MEG	Lee, Pontotoc, Union	5 hr
Apr 9, 8:01 PM CDT	Severe Thunderstorm Warning	MEG	Alcorn, Tishomingo	44 min
Apr 9, 8:13 PM CDT	Severe Thunderstorm Warning	MEG	Chickasaw, Lee, Pontotoc	47 min
Apr 9, 8:31 PM CDT	Areal Flood Advisory	MEG	Itawamba, Lee, Prentiss	3 hr
Apr 9, 8:38 PM CDT	Areal Flood Advisory	MEG	Alcorn, Tippah, Tishomingo	3 hr
Apr 9, 8:38 PM CDT	Severe Thunderstorm Warning	MEG	Chickasaw, Monroe	52 min
Apr 9, 8:55 PM CDT	Severe Thunderstorm Warning	MEG	Chickasaw, Itawamba, Lee, Monroe, Pontotoc	50 min
Apr 9, 9:04 PM CDT	Areal Flood Advisory	MEG	Calhoun, Chickasaw, Lee, Pontotoc	3 hr
Apr 9, 9:08 PM CDT	Areal Flood Advisory	MEG	Lee, Pontotoc	28 min
Apr 9, 9:09 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Lee, Monroe	51 min
Apr 9, 9:36 PM CDT	Flash Flood Warning	MEG	Lee, Pontotoc	3 hr
Apr 10, 4:32 AM CDT	River Flood Warning	MEG	Lee	8 hr

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021 Every 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.