Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 29, NWS Memphis, TN

March 25, 2021Hardeman County, McNairy County, Tennessee; Alcorn County, Benton County, Tippah County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Mar 25, 2021, 5:56 PM CDT for Hardeman County, McNairy County, Tennessee; Alcorn County, Benton County, Tippah County, Mississippi. It was in force for 49 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: Mar 25, 2021, 5:56 PM CDT (22:56 UTC)
Expired: Mar 25, 2021, 6:45 PM CDT
In force: 49 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Alcorn County, MS, Benton County, MS, Tippah County, MS, Hardeman County, TN, McNairy County, TN

The radar

The Memphis radar (KNQA), 101 km from the middle of the area, began a volume at 22:57 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
Mar 25, 6:25 PM CDT	HAIL 1	2 Sse Selmer, TN	HAIL UP TO THE SIZE OF QUARTERS AT WALMART.

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
Mar 25, 3:48 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 10.9 hours before the alert went out and 106 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: 539 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 264 m²/s²
0-3 km storm-relative helicity: 336 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted.

599 
WUUS54 KMEG 252256
SVRMEG
MSC003-009-139-TNC069-109-252345-
/O.NEW.KMEG.SV.W.0029.210325T2256Z-210325T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
556 PM CDT Thu Mar 25 2021

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Northern Tippah County in northeastern Mississippi...
  Northern Benton County in northeastern Mississippi...
  Northwestern Alcorn County in northeastern Mississippi...
  Southeastern Hardeman County in western Tennessee...
  Southwestern McNairy County in western Tennessee...

* Until 645 PM CDT.

* At 555 PM CDT, a severe thunderstorm was located near Canaan, or 16
  miles northwest of Ripley, moving northeast at 55 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...
  Selmer, Big Hill Pond State Park, Snow Lake Shores, Canaan,
  Pocahontas, Theo, Walnut, Middleton, Eastview, Ashland, Falkner,
  Guys, Ramer, Hornsby, Kossuth, Saulsbury, Chalybeate, Brody, Rose
  Creek and Wenasoga.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CDT for northeastern
Mississippi...and western Tennessee.

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

&&

LAT...LON 3488 8860 3478 8928 3499 8920 3526 8879
      3525 8878 3525 8876 3516 8854
TIME...MOT...LOC 2255Z 240DEG 49KT 3489 8917 

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

MJ

3 follow-up statements

569 
WWUS54 KMEG 252316
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
616 PM CDT Thu Mar 25 2021

MSC003-009-139-TNC069-109-252345-
/O.CON.KMEG.SV.W.0029.000000T0000Z-210325T2345Z/
Tippah MS-Benton MS-Alcorn MS-Hardeman TN-McNairy TN-
616 PM CDT Thu Mar 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR NORTHERN TIPPAH...NORTHEASTERN BENTON...NORTHWESTERN ALCORN...
SOUTHEASTERN HARDEMAN AND SOUTHWESTERN MCNAIRY COUNTIES...

At 616 PM CDT, a severe thunderstorm was located over Pocahontas, or
near Big Hill Pond State Park, moving northeast at 60 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...
Selmer, Big Hill Pond State Park, Canaan, Pocahontas, Theo, Walnut,
Middleton, Eastview, Ashland, Falkner, Guys, Ramer, Hornsby, Kossuth,
Saulsbury, Chalybeate, Brody, Rose Creek, Wenasoga and New Canaan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CDT for northeastern
Mississippi...and western Tennessee.

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

&&

LAT...LON 3479 8919 3504 8913 3526 8879 3525 8878
      3525 8876 3516 8854 3488 8860
TIME...MOT...LOC 2316Z 246DEG 54KT 3502 8880 

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

MJ

816 
WWUS54 KMEG 252325
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
625 PM CDT Thu Mar 25 2021

MSC009-252335-
/O.CAN.KMEG.SV.W.0029.000000T0000Z-210325T2345Z/
Benton MS-
625 PM CDT Thu Mar 25 2021

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

A Tornado Watch remains in effect until 1100 PM CDT for northeastern
Mississippi...and western Tennessee.

LAT...LON 3489 8901 3504 8901 3523 8870 3516 8854
      3498 8858
TIME...MOT...LOC 2325Z 240DEG 49KT 3508 8867 

$$

MSC003-139-TNC069-109-252345-
/O.CON.KMEG.SV.W.0029.000000T0000Z-210325T2345Z/
Tippah MS-Alcorn MS-Hardeman TN-McNairy TN-
625 PM CDT Thu Mar 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR NORTHWESTERN TIPPAH...NORTHWESTERN ALCORN...SOUTHEASTERN HARDEMAN
AND SOUTHWESTERN MCNAIRY COUNTIES...

At 625 PM CDT, a severe thunderstorm was located near Big Hill Pond
State Park, moving northeast at 55 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...
Selmer, Big Hill Pond State Park, Pocahontas, Walnut, Middleton,
Eastview, Guys, Ramer, Rogers Springs, Chalybeate, Rose Creek,
Wenasoga, Essary Springs, Brownfield, Lone Pine, Cypress and
Chewalla.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CDT for northeastern
Mississippi...and western Tennessee.

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

&&

LAT...LON 3489 8901 3504 8901 3523 8870 3516 8854
      3498 8858
TIME...MOT...LOC 2325Z 240DEG 49KT 3508 8867 

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

MJ

345 
WWUS54 KMEG 252336
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
636 PM CDT Thu Mar 25 2021

MSC003-139-TNC069-252345-
/O.CAN.KMEG.SV.W.0029.000000T0000Z-210325T2345Z/
Tippah MS-Alcorn MS-Hardeman TN-
636 PM CDT Thu Mar 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN TIPPAH...
NORTHWESTERN ALCORN AND SOUTHEASTERN HARDEMAN COUNTIES IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1100 PM CDT for western
Tennessee.

LAT...LON 3500 8872 3520 8867 3520 8863 3516 8854
      3500 8858
TIME...MOT...LOC 2335Z 240DEG 49KT 3515 8852 

$$

TNC109-252345-
/O.CON.KMEG.SV.W.0029.000000T0000Z-210325T2345Z/
McNairy TN-
636 PM CDT Thu Mar 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR SOUTHWESTERN MCNAIRY COUNTY...

At 635 PM CDT, a severe thunderstorm was located near Selmer, moving
northeast at 55 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...
Selmer, Eastview, Guys, Ramer, Chewalla and Cypress. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CDT for western
Tennessee.

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

&&

LAT...LON 3500 8872 3520 8867 3520 8863 3516 8854
      3500 8858
TIME...MOT...LOC 2335Z 240DEG 49KT 3515 8852 

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

MJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 25, 5:06 AM CDT	Areal Flood Advisory	MEG	Shelby	3 hr
Mar 25, 6:01 AM CDT	Areal Flood Advisory	MEG	Fayette, Shelby	3 hr
Mar 25, 6:28 AM CDT	Special Weather Statement	MEG	Fayette	32 min
Mar 25, 5:14 PM CDT	Special Weather Statement	MEG	Decatur	31 min
Mar 25, 5:16 PM CDT	Areal Flood Advisory	MEG	Decatur, Hardin, McNairy	3 hr
Mar 25, 5:26 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Hardeman	34 min
Mar 25, 6:14 PM CDT	Severe Thunderstorm Warning	MEG	Chester, Decatur, Hardin, Henderson, McNairy	46 min
Mar 25, 6:28 PM CDT	Severe Thunderstorm Warning	MEG	Decatur, Hardin, McNairy	62 min
Mar 25, 6:49 PM CDT	Tornado Warning	MEG	Hardin	30 min
Mar 25, 4:57 AM CDT	Special Weather Statement	MEG	Monroe	33 min
Mar 25, 6:00 AM CDT	Areal Flood Advisory	MEG	DeSoto, Tate, Tunica	3 hr
Mar 25, 12:41 PM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Chickasaw, Pontotoc	34 min
Mar 25, 1:32 PM CDT	River Flood Warning	MEG	Lafayette, Marshall, Union	23 hr
Mar 25, 2:04 PM CDT	Special Weather Statement	MEG	Monroe	26 min
Mar 25, 2:25 PM CDT	Special Weather Statement	MEG	Itawamba	35 min
Mar 25, 2:35 PM CDT	Flash Flood Warning	MEG	Itawamba, Tishomingo	3 hr
Mar 25, 2:42 PM CDT	Special Weather Statement	MEG	Itawamba	33 min
Mar 25, 3:06 PM CDT	Special Weather Statement	MEG	Itawamba	24 min
Mar 25, 3:14 PM CDT	Tornado Warning	MEG	Itawamba, Tishomingo	21 min
Mar 25, 3:23 PM CDT	Tornado Warning	MEG	Itawamba, Tishomingo	13 min
Mar 25, 5:20 PM CDT	Special Weather Statement	MEG	Marshall	25 min
Mar 25, 6:45 PM CDT	Special Weather Statement	MEG	Alcorn	30 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021 Severe Thunderstorm Warnings in Tennessee, 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.