Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 18, NWS Jackson, MS

March 16, 2021Jefferson Davis County, Lawrence County, Simpson County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 16, 2021, 7:32 PM CDT for Jefferson Davis County, Lawrence County, Simpson County, Mississippi. It was in force for 58 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 16, 2021, 7:32 PM CDT (00:32 UTC)
Expired: Mar 16, 2021, 8:30 PM CDT
In force: 58 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

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

The radar

The Jackson/Brandon,MS radar (KDGX), 49 km from the middle of the area, began a volume at 00:37 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 16, 7:58 PM CDT	TORNADO	2 Se Shivers, MS	THIS BRIEF EF0 TORNADO TOUCHED DOWN OFF DK MANSFIELD AT TIP BUCKLEY ROAD. A FEW TREES WERE DAMAGED WITH SOME MINOR TIN ROOF DAMAGE TO A HOME AND BARN. THE TORNADO MOVED EAST INTO A FIELD WERE A FEW MORE TREES WERE DOWNED, THEN DISSIPATED. MAX WINDS WERE 75 MPH

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 00:00Z, 0.5 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.

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: 752 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 1068 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 155 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.9

Open this sounding in Storm Lab

The text

As transmitted.

054 
WUUS54 KJAN 170032
SVRJAN
MSC065-077-127-170130-
/O.NEW.KJAN.SV.W.0018.210317T0032Z-210317T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
732 PM CDT Tue Mar 16 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Simpson County in central Mississippi...
  Northeastern Lawrence County in south central Mississippi...
  Northwestern Jefferson Davis County in south central Mississippi...

* Until 830 PM CDT.

* At 732 PM CDT, a severe thunderstorm was located near Union, or 10
  miles west of Pinola, moving east at 25 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.

* This severe thunderstorm will be near...
  Union around 740 PM CDT.
  Harrisville around 745 PM CDT.
  Shivers around 750 PM CDT.
  Pinola around 755 PM CDT.
  Mendenhall around 810 PM CDT.
  Sanatorium around 820 PM CDT.
  Martinville around 825 PM CDT.

Other locations impacted by this severe thunderstorm include D'Lo,
Braxton and New Hebron.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3171 9015 3175 9016 3175 9012 3177 9013
      3178 9011 3179 9011 3179 9014 3180 9015
      3183 9013 3184 9016 3186 9013 3188 9014
      3191 9017 3193 9017 3194 9020 3195 9019
      3200 9023 3205 9001 3205 8978 3178 8966
TIME...MOT...LOC 0032Z 252DEG 24KT 3187 9014 

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

TW

3 follow-up statements

438 
WWUS54 KJAN 170050
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
750 PM CDT Tue Mar 16 2021

MSC077-170100-
/O.CAN.KJAN.SV.W.0018.000000T0000Z-210317T0130Z/
Lawrence MS-
750 PM CDT Tue Mar 16 2021

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

LAT...LON 3176 8998 3176 9006 3180 9010 3187 9013
      3195 9002 3201 8976 3178 8966 3178 8974
      3177 8975 3177 8976 3174 8997
TIME...MOT...LOC 0050Z 266DEG 25KT 3184 8998 

$$

MSC065-127-170130-
/O.CON.KJAN.SV.W.0018.000000T0000Z-210317T0130Z/
Simpson MS-Jefferson Davis MS-
750 PM CDT Tue Mar 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR CENTRAL SIMPSON AND NORTHWESTERN JEFFERSON DAVIS COUNTIES...

At 750 PM CDT, a severe thunderstorm was located over Shivers, or
near Pinola, moving east 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.

This severe storm will be near...
  Sanatorium around 815 PM CDT.
  Magee around 825 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3176 8998 3176 9006 3180 9010 3187 9013
      3195 9002 3201 8976 3178 8966 3178 8974
      3177 8975 3177 8976 3174 8997
TIME...MOT...LOC 0050Z 266DEG 25KT 3184 8998 

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

TW

415 
WWUS54 KJAN 170109
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
809 PM CDT Tue Mar 16 2021

MSC065-127-170130-
/O.CON.KJAN.SV.W.0018.000000T0000Z-210317T0130Z/
Simpson MS-Jefferson Davis MS-
809 PM CDT Tue Mar 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR SOUTHEASTERN SIMPSON AND NORTHWESTERN JEFFERSON DAVIS COUNTIES...

At 809 PM CDT, a severe thunderstorm was located near Sanatorium, or
7 miles southeast of Pinola, moving east at 25 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.

This severe storm will be near...
  Sanatorium around 820 PM CDT.
  Magee around 825 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3180 9000 3188 8999 3194 8973 3178 8966
      3178 8974 3177 8975 3177 8976 3174 8997
TIME...MOT...LOC 0109Z 263DEG 22KT 3183 8985 

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

TW

554 
WWUS54 KJAN 170119
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
819 PM CDT Tue Mar 16 2021

MSC065-170129-
/O.CAN.KJAN.SV.W.0018.000000T0000Z-210317T0130Z/
Jefferson Davis MS-
819 PM CDT Tue Mar 16 2021

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

LAT...LON 3181 8990 3190 8991 3194 8973 3178 8966
      3178 8974 3177 8975 3177 8989
TIME...MOT...LOC 0119Z 252DEG 24KT 3185 8977 

$$

MSC127-170130-
/O.CON.KJAN.SV.W.0018.000000T0000Z-210317T0130Z/
Simpson MS-
819 PM CDT Tue Mar 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR SOUTHEASTERN SIMPSON COUNTY...

At 819 PM CDT, a severe thunderstorm was located over Magee, moving
east at 30 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

This severe storm will be near...
  Magee around 825 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3181 8990 3190 8991 3194 8973 3178 8966
      3178 8974 3177 8975 3177 8989
TIME...MOT...LOC 0119Z 252DEG 24KT 3185 8977 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

TW

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 16, 7:01 PM CDT	Tornado Warning	JAN	Copiah, Lawrence, Simpson	31 min
Mar 16, 7:02 PM CDT	Severe Thunderstorm Warning	JAN	Attala	36 min
Mar 16, 7:33 PM CDT	Special Weather Statement	JAN	Choctaw	27 min
Mar 16, 8:29 PM CDT	Special Weather Statement	JAN	Simpson	46 min
Mar 16, 8:49 PM CDT	Special Weather Statement	JAN	Kemper, Newton	56 min
Mar 16, 9:50 PM CDT	Special Weather Statement	JAN	Lauderdale	25 min
Mar 17, 6:05 AM CDT	Tornado Warning	JAN	Bolivar	40 min
Mar 17, 6:44 AM CDT	Tornado Warning	JAN	Bolivar	19 min
Mar 17, 11:37 AM CDT	Special Weather Statement	JAN	Jones	38 min
Mar 17, 12:07 PM CDT	Tornado Warning Tornado observed	JAN	Clarke	53 min
Mar 17, 12:22 PM CDT	Tornado Warning	JAN	Clarke, Lauderdale	54 min
Mar 17, 12:50 PM CDT	Tornado Warning	JAN	Copiah, Lawrence, Lincoln	55 min
Mar 17, 1:00 PM CDT	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale, Noxubee	45 min
Mar 17, 1:28 PM CDT	Tornado Warning	JAN	Jones	15 min
Mar 17, 1:45 PM CDT	Tornado Warning	JAN	Jones	21 min
Mar 17, 3:33 PM CDT	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis, Lawrence	42 min
Mar 17, 4:10 PM CDT	Tornado Warning	JAN	Adams, Franklin	50 min
Mar 17, 4:34 PM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Copiah, Hinds, Jefferson, Warren	56 min
Mar 17, 4:45 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Washington	60 min
Mar 17, 4:52 PM CDT	Tornado Warning	JAN	Copiah, Jefferson, Lincoln	37 min
Mar 17, 4:56 PM CDT	Tornado Warning	JAN	Bolivar, Washington	29 min
Mar 17, 5:15 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison, Rankin, Yazoo	64 min
Mar 17, 5:20 PM CDT	Tornado Warning	JAN	Jasper, Smith	55 min
Mar 17, 5:45 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis, Lawrence, Marion	34 min
Mar 17, 5:55 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Choctaw, Holmes, Leake, Montgomery, Neshoba and 2 more	65 min
Mar 17, 6:05 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Neshoba, Newton, Scott	55 min
Mar 17, 6:12 PM CDT	Severe Thunderstorm Warning	JAN	Covington, Simpson, Smith	48 min
Mar 17, 6:13 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar	47 min
Mar 17, 6:28 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Jones	48 min
Mar 17, 6:42 PM CDT	Severe Thunderstorm Warning	JAN	Choctaw, Clay, Kemper, Lowndes, Neshoba, Noxubee and 3 more	76 min

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.