Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 29, NWS Jackson, MS

March 17, 2021Forrest County, Lamar County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 17, 2021, 6:13 PM CDT for Forrest County, Lamar County, Mississippi. It was in force for 47 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, 6:13 PM CDT (23:13 UTC)
Expired
Mar 17, 2021, 7:00 PM CDT
In force
47 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Forrest County, MS, Lamar County, MS

What was reported inside it

TimeReportWhereRemark
Mar 17, 6:16 PM CDTTORNADO5 Nnw Baxterville, MSTHIS BRIEF EF0 TORNADO TOUCHED DOWN NEAR CARROLL AND CANEY CHURCH ROAD. A FEW TREES WERE DOWN AND A COUPLE SHEDS WERE DESTROYED. DAMAGE WAS BLOWN ACROSS A FIELD IN A NORTHWARD DIRECTION. THE TORNADO MOVED TO THE NORTHEAST AND CROSSED CHAMBLISS AND H THOMPSON R
Mar 17, 6:18 PM CDTTSTM WND DMG6 Ene Pine Burr, MSSCATTERED DOWNED TREES AND LIMBS ALONG PURVIS TO COLUMBIA RD.
Mar 17, 6:24 PM CDTTSTM WND DMG3 Ne Pine Grove, MSTREE DOWNED ON MS HIGHWAY 589 AT LUTHER LEE RD.
Mar 17, 6:31 PM CDTTSTM WND DMG1 Wsw Arnold Line, MSSEVERAL PINE TREES SNAPPED AT SHADOW RIDGE GOLF COURSE.
Mar 17, 6:36 PM CDTTSTM WND DMG2 N Hattiesburg, MSTREE BLOWN DOWN ONTO A HOUSE.
Mar 17, 6:37 PM CDTTSTM WND DMG3 Se Dixie, MSTREES DOWN ON OLLIE WILLIAMS RD.
Mar 17, 6:37 PM CDTTSTM WND GST 543 Nw Dixie, MSCORRECTS PREVIOUS TSTM WND GST REPORT FROM 3 NW DIXIE. MEASURED AT HATTIESBURG EOC.
Mar 17, 6:38 PM CDTTSTM WND DMG3 Wnw Mclaurin, MSTREES DOWN ON ANDERSON RD.
Mar 17, 6:41 PM CDTTSTM WND GST 524 Se Hattiesburg, MSMEASURED AT THE HBG AIRPORT.

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

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.2 hours before the alert went out and 95 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, Slidell Radar S, LA at 12:00Z on 2021-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1786 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, Slidell Radar S, LA at 12:00Z on 2021-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 205 square meters per square second.19395878Sfc1 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
1786 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
644 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
205 m²/s²
0-3 km storm-relative helicity
396 m²/s²
Significant tornado parameter
2.0
Supercell composite
9.9

Open this sounding in Storm Lab

The text

As transmitted.

666 
WUUS54 KJAN 172313
SVRJAN
MSC035-073-180000-
/O.NEW.KJAN.SV.W.0029.210317T2313Z-210318T0000Z/

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

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Forrest County in southeastern Mississippi...
  Lamar County in southeastern Mississippi...

* Until 700 PM CDT.

* At 612 PM CDT, severe thunderstorms were located along a line
  extending from Melba to 6 miles south of Baxterville, moving east
  at 55 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Severe thunderstorms will be near...
  Sumrall around 620 PM CDT.
  Lumberton around 625 PM CDT.
  Rawls Springs around 630 PM CDT.
  Rock Hill around 635 PM CDT.
  Brooklyn, Maxie and Mclaurin around 640 PM CDT.

Other locations impacted by these severe thunderstorms include
Corinth.

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 southeastern
Mississippi.

LAT...LON 3101 8935 3101 8942 3098 8943 3098 8947
      3101 8950 3100 8965 3143 8965 3143 8914
      3091 8914 3091 8934
TIME...MOT...LOC 2312Z 258DEG 49KT 3143 8963 3099 8961 

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

TW
2 follow-up statements
960 
WWUS54 KJAN 172328
SVSJAN

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

MSC035-073-180000-
/O.CON.KJAN.SV.W.0029.000000T0000Z-210318T0000Z/
Forrest MS-Lamar MS-
628 PM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR FORREST AND LAMAR COUNTIES...

At 628 PM CDT, severe thunderstorms were located along a line
extending from near Sanford to near Rock Hill, moving east at 55 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

These severe storms will be near...
  Brooklyn, Maxie and Mclaurin around 640 PM CDT.

Other locations impacted by these severe thunderstorms include
Corinth.

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 southeastern
Mississippi.

LAT...LON 3101 8935 3101 8942 3098 8943 3098 8947
      3101 8950 3101 8955 3143 8957 3143 8914
      3091 8914 3091 8934
TIME...MOT...LOC 2328Z 258DEG 49KT 3147 8939 3103 8937 

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

TW
585 
WWUS54 KJAN 172342
SVSJAN

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

MSC073-172352-
/O.CAN.KJAN.SV.W.0029.000000T0000Z-210318T0000Z/
Lamar MS-
642 PM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR LAMAR 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 southeastern
Mississippi.

LAT...LON 3100 8934 3101 8935 3127 8935 3143 8936
      3143 8914 3091 8914 3091 8934
TIME...MOT...LOC 2342Z 252DEG 41KT 3144 8927 3115 8919 

$$

MSC035-180000-
/O.CON.KJAN.SV.W.0029.000000T0000Z-210318T0000Z/
Forrest MS-
642 PM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR FORREST COUNTY...

At 642 PM CDT, severe thunderstorms were located along a line
extending from Eastabuchie to Mclaurin, moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

These severe thunderstorms will remain over mainly rural areas of
Forrest County, including the following locations... Corinth.

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 southeastern
Mississippi.

LAT...LON 3100 8934 3101 8935 3127 8935 3143 8936
      3143 8914 3091 8914 3091 8934
TIME...MOT...LOC 2342Z 252DEG 41KT 3144 8927 3115 8919 

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

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, 5:45 PM CDTSevere Thunderstorm WarningJANJefferson Davis, Lawrence, Marion34 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, 6:28 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.