Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 25, NWS Jackson, MS

March 17, 2021Jefferson Davis County, Lawrence County, Marion County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 17, 2021, 5:45 PM CDT for Jefferson Davis County, Lawrence County, Marion County, Mississippi. It was in force for 34 min. 9 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, 5:45 PM CDT (22:45 UTC)
Expired
Mar 17, 2021, 6:19 PM CDT
In force
34 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Jefferson Davis County, MS, Lawrence County, MS, Marion County, MS

What was reported inside it

TimeReportWhereRemark
Mar 17, 5:47 PM CDTTSTM WND DMG2 Ne Topeka, MSA FEW TREES DOWN AND MULTIPLE LARGE LIMBS WERE BROKEN. A LARGE SECTION OF TIN WAS TORN OFF A LARGE CARPORT TYPE STRUCTURE.
Mar 17, 5:51 PM CDTTSTM WND DMGGoss, MSPOWERLINES DOWN AT THE CORNER OF HWY 13 AND RIVERBEND ROAD.
Mar 17, 6:01 PM CDTTSTM WND DMG2 E Lucas, MSTREES AND POWER LINES DOWN ON BUDDY PRICE RD.
Mar 17, 6:01 PM CDTTSTM WND DMG2 Sw Sandy Hook, MSONE HOME DAMAGED AND TREES DOWN ON MILITARY RD.
Mar 17, 6:03 PM CDTTSTM WND DMG3 Ene Sandy Hook, MSPOSSIBLE TORNADO...REPORT RECEIVED VIA SM OF CONSIDERABLE DAMAGE TO A FEW HOMES ALONG HIGHWAY 43 ABOUT 15 MILES SOUTH OF COLUMBIA.
Mar 17, 6:03 PM CDTTSTM WND DMGProgress, MSCORRECTS PREVIOUS TSTM WND DMG REPORT FROM PROGRESS. A FEW TREES DOWN ON PROGRESS RD.
Mar 17, 6:05 PM CDTTSTM WND DMG3 Ne Prentiss, MSTREES AND POWERLINES DOWN ON MT. ZION RD. NEAR HWY 84.
Mar 17, 6:05 PM CDTTSTM WND DMG3 Ne Prentiss, MSTREES DOWN ON HALL RD.
Mar 17, 6:08 PM CDTTSTM WND GST 752 Sse Spring Cottage, MSA SWATH OF WIND DAMAGE OCCURRED ACROSS SOUTHERN MARION COUNTY GENERALLY FROM THE SANDY HOOK COMMUNITY, THEN ON THE E SIDE OF THE RIVER AND S OF HWY 13. SOME OF THE MORE PRONOUNCED TREE DAMAGE WAS ON HWY 43 AND MAIL ROUTE RD. TREE DAMAGE HERE WAS A COMBINATION

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.

IssuedProductOfficeLasted
Mar 17, 11:36 AM CDTTornado Watch PDSSPC7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.8 hours before the alert went out and 112 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-pSkew-T log-p diagram, Jackson, MS at 12:00Z on 2021-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 687 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 2021-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 218 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
687 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
713 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
218 m²/s²
0-3 km storm-relative helicity
178 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.9

Open this sounding in Storm Lab

The text

As transmitted.

085 
WUUS54 KJAN 172245
SVRJAN
MSC065-077-091-172330-
/O.NEW.KJAN.SV.W.0025.210317T2245Z-210317T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
545 PM CDT Wed Mar 17 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Marion County in south central Mississippi...
  Lawrence County in south central Mississippi...
  Jefferson Davis County in south central Mississippi...

* Until 630 PM CDT.

* At 544 PM CDT, severe thunderstorms were located along a line
  extending from near Robinwood to Kokomo, moving northeast at 65
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Severe thunderstorms will be near...
  Columbia, Arm, Morgantown and Oak Vale around 550 PM CDT.
  Progress and Goss around 555 PM CDT.
  Prentiss, Improve, Bunker Hill and Carson around 600 PM CDT.
  Clem and Melba around 610 PM CDT.

Other locations impacted by these severe thunderstorms include
Bassfield, New Hebron and Silver Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A Tornado Watch remains in effect until 700 PM CDT for south central
and southeastern Mississippi.

LAT...LON 3107 8984 3107 8992 3113 8994 3113 9001
      3117 9001 3118 9003 3134 9004 3134 9009
      3135 9011 3135 9024 3145 9024 3175 9008
      3177 8977 3161 8975 3154 8960 3151 8959
      3144 8959 3144 8966 3101 8965 3101 8984
TIME...MOT...LOC 2244Z 233DEG 58KT 3145 9012 3120 8997 

HAIL...<.75IN
WIND...60MPH
 
$$

CME
2 follow-up statements
495 
WWUS54 KJAN 172301
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
601 PM CDT Wed Mar 17 2021

MSC077-172310-
/O.CAN.KJAN.SV.W.0025.000000T0000Z-210317T2330Z/
Lawrence MS-
601 PM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR LAWRENCE COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 700 PM CDT for south central
and southeastern Mississippi.

LAT...LON 3107 8984 3111 8989 3144 8996 3152 8996
      3153 8998 3176 8997 3177 8977 3161 8975
      3155 8962 3152 8959 3144 8959 3144 8966
      3101 8965 3101 8984
TIME...MOT...LOC 2300Z 230DEG 52KT 3160 8989 3132 8985 

$$

MSC065-091-172330-
/O.CON.KJAN.SV.W.0025.000000T0000Z-210317T2330Z/
Marion MS-Jefferson Davis MS-
601 PM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR MARION AND JEFFERSON DAVIS COUNTIES...

At 600 PM CDT, severe thunderstorms were located along a line
extending from Prentiss to near Goss, moving northeast at 60 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

These severe storms will be near...
  Prentiss and Carson around 605 PM CDT.
  Clem around 610 PM CDT.
  Melba around 615 PM CDT.

Other locations impacted by these severe thunderstorms include
Bassfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A Tornado Watch remains in effect until 700 PM CDT for south central
and southeastern Mississippi.

LAT...LON 3107 8984 3111 8989 3144 8996 3152 8996
      3153 8998 3176 8997 3177 8977 3161 8975
      3155 8962 3152 8959 3144 8959 3144 8966
      3101 8965 3101 8984
TIME...MOT...LOC 2300Z 230DEG 52KT 3160 8989 3132 8985 

HAIL...<.75IN
WIND...60MPH
 
$$

CME
366 
WWUS54 KJAN 172319
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
619 PM CDT Wed Mar 17 2021

MSC065-091-172329-
/O.CAN.KJAN.SV.W.0025.000000T0000Z-210317T2330Z/
Marion MS-Jefferson Davis MS-
619 PM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR MARION AND JEFFERSON DAVIS
COUNTIES IS CANCELLED...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 700 PM CDT for south central
and southeastern Mississippi.

LAT...LON 3107 8984 3111 8989 3144 8996 3152 8996
      3153 8998 3176 8997 3177 8977 3161 8975
      3155 8962 3152 8959 3144 8959 3144 8966
      3101 8965 3101 8984
TIME...MOT...LOC 2317Z 233DEG 58KT 3177 8962 3149 8958 

$$

CME

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 16, 7:01 PM CDTTornado WarningJANCopiah, Lawrence, Simpson31 min
Mar 16, 7:02 PM CDTSevere Thunderstorm WarningJANAttala36 min
Mar 16, 7:32 PM CDTSevere Thunderstorm WarningJANJefferson Davis, Lawrence, Simpson58 min
Mar 16, 7:33 PM CDTSpecial Weather StatementJANChoctaw27 min
Mar 16, 8:29 PM CDTSpecial Weather StatementJANSimpson46 min
Mar 16, 8:49 PM CDTSpecial Weather StatementJANKemper, Newton56 min
Mar 16, 9:50 PM CDTSpecial Weather StatementJANLauderdale25 min
Mar 17, 6:05 AM CDTTornado WarningJANBolivar40 min
Mar 17, 6:44 AM CDTTornado WarningJANBolivar19 min
Mar 17, 11:37 AM CDTSpecial Weather StatementJANJones38 min
Mar 17, 12:07 PM CDTTornado Warning Tornado observedJANClarke53 min
Mar 17, 12:22 PM CDTTornado WarningJANClarke, Lauderdale54 min
Mar 17, 12:50 PM CDTTornado WarningJANCopiah, Lawrence, Lincoln55 min
Mar 17, 1:00 PM CDTSevere Thunderstorm WarningJANKemper, Lauderdale, Noxubee45 min
Mar 17, 1:28 PM CDTTornado WarningJANJones15 min
Mar 17, 1:45 PM CDTTornado WarningJANJones21 min
Mar 17, 3:33 PM CDTSevere Thunderstorm WarningJANCovington, Jefferson Davis, Lawrence42 min
Mar 17, 4:10 PM CDTTornado WarningJANAdams, Franklin50 min
Mar 17, 4:34 PM CDTSevere Thunderstorm WarningJANClaiborne, Copiah, Hinds, Jefferson, Warren56 min
Mar 17, 4:45 PM CDTSevere Thunderstorm WarningJANBolivar, Washington60 min
Mar 17, 4:52 PM CDTTornado WarningJANCopiah, Jefferson, Lincoln37 min
Mar 17, 4:56 PM CDTTornado WarningJANBolivar, Washington29 min
Mar 17, 5:15 PM CDTSevere Thunderstorm WarningJANHinds, Madison, Rankin, Yazoo64 min
Mar 17, 5:20 PM CDTTornado WarningJANJasper, Smith55 min
Mar 17, 5:55 PM CDTSevere Thunderstorm WarningJANAttala, Choctaw, Holmes, Leake, Montgomery, Neshoba and 2 more65 min
Mar 17, 6:05 PM CDTSevere Thunderstorm WarningJANLeake, Neshoba, Newton, Scott55 min
Mar 17, 6:12 PM CDTSevere Thunderstorm WarningJANCovington, Simpson, Smith48 min
Mar 17, 6:13 PM CDTSevere Thunderstorm WarningJANForrest, Lamar47 min
Mar 17, 6:28 PM CDTSevere Thunderstorm WarningJANJasper, Jones48 min
Mar 17, 6:42 PM CDTSevere Thunderstorm WarningJANChoctaw, Clay, Kemper, Lowndes, Neshoba, Noxubee and 3 more76 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.