Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 21, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Mar 17, 2021, 4:56 PM CDT for 6 counties in Mississippi. It was in force for 49 min. 8 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
- Mar 17, 2021, 4:56 PM CDT (21:56 UTC)
- Expired
- Mar 17, 2021, 5:45 PM CDT
- In force
- 49 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Chickasaw County, MS, Itawamba County, MS, Lee County, MS, Pontotoc County, MS, Prentiss County, MS, Union County, MS
The radar
The Columbus AFB radar (KGWX), 55 km from the middle of the area, began a volume at 21:58 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 17, 5:06 PM CDT | HAIL 0.75 | 1 E New Houlka, MS | PENNY SIZE AND SMALLER HAIL AT DAVIS LAKE AREA. |
| Mar 17, 5:06 PM CDT | HAIL 0.75 | New Houlka, MS | PENNY SIZE AND SMALLER HAIL. |
| Mar 17, 5:10 PM CDT | HAIL 1 | 3 Nw Troy, MS | QUARTER SIZE HAIL IN BLACK ZION |
| Mar 17, 5:20 PM CDT | HAIL 1 | 5 Nne Furrs, MS | QUARTER SIZE HAIL IN CHESTERVILLE COMMUNITY. |
| Mar 17, 5:23 PM CDT | HAIL 1.5 | 4 Sw Sherman, MS | ESTIMATED 1 1/2 INCH SIZED HAIL REPORTED IN ENDVILLE COMMUNITY. CORRECTED TIME AND LOCATION. |
| Mar 17, 5:25 PM CDT | HAIL 1 | Sherman, MS | NEAR OLD HIGHWAY 9 |
| Mar 17, 5:25 PM CDT | HAIL 1.75 | 4 Se Sherman, MS | GOLF BALL SIZE HAIL IN BELDEN. |
| Mar 17, 5:35 PM CDT | HAIL 1.25 | 7 Sw Saltillo, MS | QUARTER TO HALF DOLLAR SIZED HAIL NEAR BELDEN. |
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 17, 11:36 AM CDT | Tornado Watch | SPC | 7 hr |
| Mar 17, 12:57 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 9.9 hours before the alert went out and 126 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.
- Mixed-layer CAPE
- 18 J/kg
- Mixed-layer CIN
- -262 J/kg
- Mixed-layer LCL
- 1466 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 217 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
837
WUUS54 KMEG 172156
SVRMEG
MSC017-057-081-115-117-145-172245-
/O.NEW.KMEG.SV.W.0021.210317T2156Z-210317T2245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
456 PM CDT Wed Mar 17 2021
The National Weather Service in Memphis has issued a
* Severe Thunderstorm Warning for...
North central Chickasaw County in northeastern Mississippi...
Southeastern Union County in northeastern Mississippi...
Eastern Pontotoc County in northeastern Mississippi...
Northwestern Itawamba County in northeastern Mississippi...
Lee County in northeastern Mississippi...
Southwestern Prentiss County in northeastern Mississippi...
* Until 545 PM CDT.
* At 456 PM CDT, a severe thunderstorm was located near Houlka, or 11
miles northwest of Okolona, moving northeast at 40 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, Baldwyn, Verona, Trace State Park, Saltillo, Guntown,
Plantersville, Pratts Friendship, Troy, Blair, Furrs, Sherman, New
Houlka, Marietta, Endville, Jericho, Branyan, Chiwapa, Eggville and
Kirkville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 700 PM CDT for northeastern
Mississippi. A Tornado Watch also remains in effect until 700 PM CDT
for northeastern Mississippi.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3396 8888 3406 8906 3462 8870 3447 8843
TIME...MOT...LOC 2156Z 212DEG 37KT 3408 8893
HAIL...1.00IN
WIND...60MPH
$$5 follow-up statements
359
WWUS54 KMEG 172206
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
506 PM CDT Wed Mar 17 2021
MSC017-172215-
/O.CAN.KMEG.SV.W.0021.000000T0000Z-210317T2245Z/
Chickasaw MS-
506 PM CDT Wed Mar 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL CHICKASAW COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 700 PM CDT for northeastern
Mississippi. A Tornado Watch also remains in effect until 700 PM CDT
for northeastern Mississippi.
LAT...LON 3407 8878 3407 8905 3462 8870 3447 8843
TIME...MOT...LOC 2205Z 212DEG 37KT 3417 8887
$$
MSC057-081-115-117-145-172245-
/O.CON.KMEG.SV.W.0021.000000T0000Z-210317T2245Z/
Union MS-Pontotoc MS-Itawamba MS-Lee MS-Prentiss MS-
506 PM CDT Wed Mar 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR SOUTHEASTERN UNION...EASTERN PONTOTOC...NORTHWESTERN ITAWAMBA...
LEE AND SOUTHWESTERN PRENTISS COUNTIES...
At 505 PM CDT, a severe thunderstorm was located over Troy, or near
Trace State Park, moving northeast 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, Baldwyn, Verona, Trace State Park, Saltillo, Guntown,
Plantersville, Pratts Friendship, Troy, Blair, Furrs, Sherman,
Marietta, Endville, Jericho, Branyan, Chiwapa, Eggville, Kirkville
and Jug Fork.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 700 PM CDT for northeastern
Mississippi. A Tornado Watch also remains in effect until 700 PM CDT
for northeastern Mississippi.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3407 8878 3407 8905 3462 8870 3447 8843
TIME...MOT...LOC 2205Z 212DEG 37KT 3417 8887
HAIL...1.00IN
WIND...60MPH
$$452
WWUS54 KMEG 172211
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
511 PM CDT Wed Mar 17 2021
MSC057-172221-
/O.CAN.KMEG.SV.W.0021.000000T0000Z-210317T2245Z/
Itawamba MS-
511 PM CDT Wed Mar 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ITAWAMBA COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 700 PM CDT for northeastern
Mississippi. A Tornado Watch also remains in effect until 700 PM CDT
for northeastern Mississippi.
LAT...LON 3446 8849 3447 8854 3442 8854 3414 8881
3416 8899 3462 8870 3449 8847
TIME...MOT...LOC 2211Z 212DEG 37KT 3422 8883
$$
MSC081-115-117-145-172245-
/O.CON.KMEG.SV.W.0021.000000T0000Z-210317T2245Z/
Union MS-Pontotoc MS-Lee MS-Prentiss MS-
511 PM CDT Wed Mar 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR SOUTHEASTERN UNION...NORTHEASTERN PONTOTOC...NORTHERN LEE AND
SOUTHWESTERN PRENTISS COUNTIES...
At 511 PM CDT, a severe thunderstorm was located over Furrs, or near
Trace State Park, moving northeast at 45 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, Baldwyn, Trace State Park, Saltillo, Guntown, Pratts
Friendship, Troy, Blair, Furrs, Sherman, Marietta, Endville, Jericho,
Branyan, Chiwapa, Jug Fork, Geeville, Flowerdale, Beech Springs and
Chapelville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 700 PM CDT for northeastern
Mississippi. A Tornado Watch also remains in effect until 700 PM CDT
for northeastern Mississippi.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3446 8849 3447 8854 3442 8854 3414 8881
3416 8899 3462 8870 3449 8847
TIME...MOT...LOC 2211Z 212DEG 37KT 3422 8883
HAIL...1.75IN
WIND...60MPH
$$810
WWUS54 KMEG 172224
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
524 PM CDT Wed Mar 17 2021
MSC081-115-117-145-172245-
/O.CON.KMEG.SV.W.0021.000000T0000Z-210317T2245Z/
Union MS-Pontotoc MS-Lee MS-Prentiss MS-
524 PM CDT Wed Mar 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR SOUTHEASTERN UNION...NORTHEASTERN PONTOTOC...NORTHWESTERN LEE AND
SOUTHWESTERN PRENTISS COUNTIES...
At 524 PM CDT, a severe thunderstorm was located near Saltillo, or
near Tupelo, moving northeast at 45 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Tupelo, Baldwyn, Saltillo, Guntown, Blair, Sherman, Beech Springs,
Endville, Belden, Jericho, Branyan, Birmingham, Chesterville, Jug
Fork, Corrona, Graves, Frog Island, Geeville, Flowerdale and Boggan
Bend.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 700 PM CDT for northeastern
Mississippi.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3449 8857 3428 8873 3426 8893 3462 8870
3453 8855
TIME...MOT...LOC 2224Z 212DEG 37KT 3434 8874
HAIL...1.75IN
WIND...60MPH
$$391
WWUS54 KMEG 172230
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
530 PM CDT Wed Mar 17 2021
MSC115-172240-
/O.CAN.KMEG.SV.W.0021.000000T0000Z-210317T2245Z/
Pontotoc MS-
530 PM CDT Wed Mar 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PONTOTOC 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 700 PM CDT for northeastern
Mississippi.
LAT...LON 3449 8857 3430 8872 3433 8883 3436 8883
3437 8886 3462 8870 3453 8855
TIME...MOT...LOC 2230Z 212DEG 37KT 3439 8870
$$
MSC081-117-145-172245-
/O.CON.KMEG.SV.W.0021.000000T0000Z-210317T2245Z/
Union MS-Lee MS-Prentiss MS-
530 PM CDT Wed Mar 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR SOUTHEASTERN UNION...NORTHWESTERN LEE AND SOUTHWESTERN PRENTISS
COUNTIES...
At 530 PM CDT, a severe thunderstorm was located over Saltillo, or 8
miles southwest of Baldwyn, moving northeast at 45 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Tupelo, Baldwyn, Saltillo, Guntown, Blair, Sherman, Beech Springs,
Jericho, Branyan, Birmingham, Jug Fork, Corrona, Graves, Frog Island,
Geeville, Boggan Bend, Frankstown and Bethany.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 700 PM CDT for northeastern
Mississippi.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3449 8857 3430 8872 3433 8883 3436 8883
3437 8886 3462 8870 3453 8855
TIME...MOT...LOC 2230Z 212DEG 37KT 3439 8870
HAIL...1.75IN
WIND...60MPH
$$064
WWUS54 KMEG 172239
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
539 PM CDT Wed Mar 17 2021
MSC081-117-145-172249-
/O.EXP.KMEG.SV.W.0021.000000T0000Z-210317T2245Z/
Union MS-Lee MS-Prentiss MS-
539 PM CDT Wed Mar 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN UNION...
NORTHWESTERN LEE AND SOUTHWESTERN PRENTISS COUNTIES WILL EXPIRE AT
545 PM CDT...
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 will be allowed to expire.
A Tornado Watch remains in effect until 700 PM CDT for northeastern
Mississippi.
LAT...LON 3449 8857 3430 8872 3433 8883 3436 8883
3437 8886 3462 8870 3453 8855
TIME...MOT...LOC 2239Z 212DEG 37KT 3445 8866
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 3:38 AM CDT | Severe Thunderstorm Warning | MEG | Calhoun, Lafayette, Pontotoc, Yalobusha | 37 min |
| Mar 17, 5:24 AM CDT | Severe Thunderstorm Warning | MEG | Panola, Tate | 20 min |
| Mar 17, 6:35 AM CDT | Severe Thunderstorm Warning | MEG | Coahoma, Panola, Quitman, Tallahatchie, Tunica | 40 min |
| Mar 17, 6:49 AM CDT | Severe Thunderstorm Warning | MEG | Marshall | 14 min |
| Mar 17, 7:12 AM CDT | Severe Thunderstorm Warning | MEG | Lafayette, Marshall, Panola, Quitman, Tallahatchie, Tate and 1 more | 48 min |
| Mar 17, 8:24 AM CDT | Areal Flood Advisory | MEG | Benton, DeSoto, Marshall, Tate, Tunica | 2 hr |
| Mar 17, 9:04 AM CDT | Flash Flood Warning | MEG | Alcorn, Benton, DeSoto, Marshall, Tate, Tippah | 3 hr |
| Mar 17, 10:29 AM CDT | Flash Flood Warning | MEG | Alcorn, Prentiss, Tishomingo | 3 hr |
| Mar 17, 3:18 PM CDT | Tornado Warning | MEG | Itawamba, Prentiss, Tishomingo | 27 min |
| Mar 17, 4:17 PM CDT | Severe Thunderstorm Warning | MEG | Calhoun, Lafayette, Pontotoc, Union | 28 min |
| Mar 17, 4:28 PM CDT | Areal Flood Advisory | MEG | Itawamba, Prentiss, Tishomingo | 5 hr |
| Mar 17, 4:43 PM CDT | Severe Thunderstorm Warning | MEG | Benton, Lafayette, Marshall, Union | 32 min |
| Mar 17, 4:52 PM CDT | Flash Flood Warning | MEG | Itawamba, Lee, Prentiss, Tishomingo | 4 hr |
| Mar 17, 4:58 PM CDT | Severe Thunderstorm Warning | MEG | Calhoun, Chickasaw, Pontotoc | 20 min |
| Mar 17, 5:45 PM CDT | Severe Thunderstorm Warning | MEG | Chickasaw, Itawamba, Lee, Monroe | 45 min |
| Mar 17, 5:55 PM CDT | Flash Flood Warning | MEG | Calhoun, Chickasaw | 4 hr |
| Mar 17, 5:55 PM CDT | Tornado Warning | MEG | Chickasaw, Itawamba, Lee, Monroe | 35 min |
| Mar 17, 6:28 PM CDT | Severe Thunderstorm Warning | MEG | Itawamba, Monroe | 47 min |
| Mar 17, 6:33 PM CDT | Special Weather Statement | MEG | Lafayette, Marshall, Yalobusha | 42 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.