Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 57, NWS Jackson, MS

May 18, 2021Jefferson Davis County, Lawrence County, Simpson County, Mississippi

NWS Jackson, MS issued this tornado warning at May 18, 2021, 3:10 PM CDT for Jefferson Davis County, Lawrence County, Simpson County, Mississippi. It was in force for 38 min. 2 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: May 18, 2021, 3:10 PM CDT (20:10 UTC)
Expired: May 18, 2021, 3:48 PM CDT
In force: 38 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Jefferson Davis County, MS, Lawrence County, MS, Simpson County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 57 km from the middle of the area, began a volume at 20:11 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
May 18, 3:53 PM CDT	TORNADO	1 N Pinola, MS	THIS EF0 TORNADO TOUCHED JUST NORTH OF PINOLA ALONG ROBERT BUSH ROAD, WHERE A TORNADO DEBRIS SIGNATURE WAS OBSERVED. A FEW LIMBS WERE DOWNED AND ONE TREE UPROOTED. THE TORNADO CONTINUED NORTHWEST BEFORE CROSSING JUPITER ROAD. HERE TWO TREES WERE DOWNED, WITH O
May 18, 3:53 PM CDT	TORNADO	1 N Pinola, MS	CORRECTS SOURCE FROM PREVIOUS TORNADO REPORT FROM 1 N PINOLA. THIS EF0 TORNADO TOUCHED JUST NORTH OF PINOLA ALONG ROBERT BUSH ROAD, WHERE A TORNADO DEBRIS SIGNATURE WAS OBSERVED. A FEW LIMBS WERE DOWNED AND ONE TREE UPROOTED. THE TORNADO CONTINUED NORTHWEST BE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.2 hours before the alert went out and 62 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: 163 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 651 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 116 m²/s²
0-3 km storm-relative helicity: 241 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

037 
WFUS54 KJAN 182010
TORJAN
MSC065-077-127-182100-
/O.NEW.KJAN.TO.W.0057.210518T2010Z-210518T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
310 PM CDT Tue May 18 2021

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  Southwestern Simpson County in central Mississippi...
  Northeastern Lawrence County in south central Mississippi...
  Northwestern Jefferson Davis County in south central Mississippi...

* Until 400 PM CDT.
    
* At 310 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Hebron, or 15 miles south of Pinola, moving
  northwest at 25 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Shivers around 335 PM CDT.
  Pinola around 345 PM CDT.

Other locations impacted by this tornadic thunderstorm include New
Hebron.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3183 9014 3183 9012 3191 8994 3161 8985
      3159 8995
TIME...MOT...LOC 2010Z 153DEG 21KT 3166 8992 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

DL

4 follow-up statements

432 
WWUS54 KJAN 182019
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
319 PM CDT Tue May 18 2021

MSC065-077-127-182100-
/O.CON.KJAN.TO.W.0057.000000T0000Z-210518T2100Z/
Simpson MS-Lawrence MS-Jefferson Davis MS-
319 PM CDT Tue May 18 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR
SOUTHWESTERN SIMPSON...NORTHEASTERN LAWRENCE AND NORTHWESTERN
JEFFERSON DAVIS COUNTIES...
    
At 319 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Hebron, or 14 miles south of Pinola, moving
northwest at 20 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Shivers around 340 PM CDT.
  Pinola around 355 PM CDT.

Other locations impacted by this tornadic thunderstorm include New
Hebron.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3183 9014 3183 9012 3191 8994 3165 8991
      3163 8998
TIME...MOT...LOC 2019Z 147DEG 18KT 3167 8996 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

DL

597 
WWUS54 KJAN 182029
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
329 PM CDT Tue May 18 2021

MSC065-182039-
/O.CAN.KJAN.TO.W.0057.000000T0000Z-210518T2100Z/
Jefferson Davis MS-
329 PM CDT Tue May 18 2021

...THE TORNADO WARNING FOR NORTHWESTERN JEFFERSON DAVIS COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3183 9014 3183 9013 3188 9001 3171 8997
      3170 8997 3168 9002
TIME...MOT...LOC 2029Z 137DEG 19KT 3170 9000 

$$

MSC077-127-182100-
/O.CON.KJAN.TO.W.0057.000000T0000Z-210518T2100Z/
Simpson MS-Lawrence MS-
329 PM CDT Tue May 18 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR
SOUTHWESTERN SIMPSON AND NORTHEASTERN LAWRENCE COUNTIES...
    
At 329 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Hebron, or 12 miles south of Pinola, moving
northwest at 20 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
southwestern Simpson and northeastern Lawrence Counties, including
the following locations... New Hebron.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3183 9014 3183 9013 3188 9001 3171 8997
      3170 8997 3168 9002
TIME...MOT...LOC 2029Z 137DEG 19KT 3170 9000 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

DL

672 
WWUS54 KJAN 182044
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
344 PM CDT Tue May 18 2021

MSC077-182054-
/O.CAN.KJAN.TO.W.0057.000000T0000Z-210518T2100Z/
Lawrence MS-
344 PM CDT Tue May 18 2021

...THE TORNADO WARNING FOR NORTHEASTERN LAWRENCE COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3183 9014 3183 9013 3188 9001 3176 9001
      3176 9008
TIME...MOT...LOC 2044Z 143DEG 17KT 3177 9006 

$$

MSC127-182100-
/O.CON.KJAN.TO.W.0057.000000T0000Z-210518T2100Z/
Simpson MS-
344 PM CDT Tue May 18 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR
SOUTHWESTERN SIMPSON COUNTY...
    
At 344 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Shivers, or 9 miles southwest of Pinola, moving
northwest at 20 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
southwestern Simpson County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3183 9014 3183 9013 3188 9001 3176 9001
      3176 9008
TIME...MOT...LOC 2044Z 143DEG 17KT 3177 9006 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

DL

575 
WWUS54 KJAN 182048
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
348 PM CDT Tue May 18 2021

MSC127-182058-
/O.CAN.KJAN.TO.W.0057.000000T0000Z-210518T2100Z/
Simpson MS-
348 PM CDT Tue May 18 2021

...THE TORNADO WARNING FOR SOUTHWESTERN SIMPSON COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Jackson.

LAT...LON 3183 9014 3183 9013 3188 9001 3176 9001
      3176 9008
TIME...MOT...LOC 2040Z 153DEG 21KT 3179 9007 

$$

DL

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 18, 2:17 PM CDT	Special Weather Statement	JAN	Clarke	28 min
May 18, 3:31 PM CDT	Tornado Warning	JAN	Jasper, Smith	47 min
May 18, 3:51 PM CDT	Tornado Warning	JAN	Jasper, Newton, Scott	34 min
May 18, 3:57 PM CDT	Tornado Warning	JAN	Rankin, Simpson	36 min

Nearby

Tornado Warnings in Mississippi, 2021 Every tornado warning in 2021 Tornadoes 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.