Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 16, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Mar 17, 2021, 7:12 AM CDT for 7 counties in Mississippi. It was in force for 48 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 17, 2021, 7:12 AM CDT (12:12 UTC)
- Expired
- Mar 17, 2021, 8:00 AM CDT
- In force
- 48 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Lafayette County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Yalobusha County, MS
The radar
The Memphis radar (KNQA), 110 km from the middle of the area, began a volume at 12:12 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, 7:30 AM CDT | TSTM WND DMG | Batesville, MS | TREE DOWN ON ROOF, CAUSING MINOR ROOF DAMAGE. |
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, 5:53 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 0.2 hours before the alert went out and 52 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.
758
WUUS54 KMEG 171212
SVRMEG
MSC071-093-107-119-135-137-161-171300-
/O.NEW.KMEG.SV.W.0016.210317T1212Z-210317T1300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
712 AM CDT Wed Mar 17 2021
The National Weather Service in Memphis has issued a
* Severe Thunderstorm Warning for...
Western Lafayette County in northwestern Mississippi...
Northern Yalobusha County in northwestern Mississippi...
Southwestern Marshall County in northwestern Mississippi...
Southeastern Tate County in northwestern Mississippi...
Northeastern Tallahatchie County in northwestern Mississippi...
Eastern Quitman County in northwestern Mississippi...
Panola County in northwestern Mississippi...
* Until 800 AM CDT.
* At 711 AM CDT, a severe thunderstorm was located near Curtis
Station, or 7 miles west of Batesville, moving east at 50 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...
Oxford, Batesville, Water Valley, George Payne State Park, Holly
Springs National Forest, John W Kyle State Park, Marks, Sardis,
Lambert, Como, Crenshaw, Crowder, Sledge, Pope, Pleasant Grove,
Harmontown, Springdale, Curtis Station, Burgess and Laws Hill.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 100 PM CDT for northwestern
Mississippi.
A Tornado Watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a storm shelter or
small interior room.
&&
LAT...LON 3411 9029 3451 9025 3451 9020 3454 9020
3463 8953 3415 8954
TIME...MOT...LOC 1211Z 254DEG 42KT 3434 9006
HAIL...1.00IN
WIND...60MPH
$$2 follow-up statements
841
WWUS54 KMEG 171239
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
739 AM CDT Wed Mar 17 2021
MSC119-135-161-171249-
/O.CAN.KMEG.SV.W.0016.000000T0000Z-210317T1300Z/
Yalobusha MS-Tallahatchie MS-Quitman MS-
739 AM CDT Wed Mar 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN YALOBUSHA...
NORTHEASTERN TALLAHATCHIE AND EASTERN QUITMAN COUNTIES IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 100 PM CDT for northwestern
Mississippi.
LAT...LON 3425 9004 3432 9004 3444 9002 3455 9002
3463 8953 3421 8954
TIME...MOT...LOC 1239Z 254DEG 42KT 3443 8967
$$
MSC071-093-107-137-171300-
/O.CON.KMEG.SV.W.0016.000000T0000Z-210317T1300Z/
Lafayette MS-Marshall MS-Tate MS-Panola MS-
739 AM CDT Wed Mar 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 AM CDT
FOR WESTERN LAFAYETTE...SOUTHWESTERN MARSHALL...SOUTHEASTERN TATE AND
EASTERN PANOLA COUNTIES...
At 739 AM CDT, a severe thunderstorm was located near Burgess, or 7
miles east of John W Kyle State Park, moving east at 50 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...
Oxford, Batesville, Holly Springs National Forest, John W Kyle State
Park, Sardis, Como, Springdale, Burgess, Harmontown, Laws Hill,
Courtland, Taylor, Blackwater, Teckville, Tyro, McGhee, Glenville,
College Hill, Hayes Crossing and Eureka Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 100 PM CDT for northwestern
Mississippi.
A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a storm shelter or small
interior room.
&&
LAT...LON 3425 9004 3432 9004 3444 9002 3455 9002
3463 8953 3421 8954
TIME...MOT...LOC 1239Z 254DEG 42KT 3443 8967
HAIL...1.00IN
WIND...60MPH
$$458
WWUS54 KMEG 171256
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
756 AM CDT Wed Mar 17 2021
MSC071-093-107-137-171306-
/O.EXP.KMEG.SV.W.0016.000000T0000Z-210317T1300Z/
Lafayette MS-Marshall MS-Tate MS-Panola MS-
756 AM CDT Wed Mar 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN LAFAYETTE...
SOUTHWESTERN MARSHALL...SOUTHEASTERN TATE AND EASTERN PANOLA COUNTIES
WILL EXPIRE AT 800 AM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 100 PM CDT for northwestern
Mississippi.
LAT...LON 3425 9004 3432 9004 3444 9002 3455 9002
3463 8953 3421 8954
TIME...MOT...LOC 1256Z 254DEG 42KT 3448 8944
$$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, 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, 4:56 PM CDT | Severe Thunderstorm Warning | MEG | Chickasaw, Itawamba, Lee, Pontotoc, Prentiss, Union | 49 min |
| 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.