Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 30, NWS Jackson, MS

March 17, 2021Jasper County, Jones County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 17, 2021, 6:28 PM CDT for Jasper County, Jones County, 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, 6:28 PM CDT (23:28 UTC)
Expired
Mar 17, 2021, 7:16 PM CDT
In force
48 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Jasper County, MS, Jones County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 92 km from the middle of the area, began a volume at 23:27 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

TimeReportWhereRemark
Mar 17, 6:45 PM CDTTSTM WND DMGStringer, MSTREE DOWNED ON MS HIGHWAY 15.

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, 11.5 hours before the alert went out and 102 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.

128 
WUUS54 KJAN 172328
SVRJAN
MSC061-067-180030-
/O.NEW.KJAN.SV.W.0030.210317T2328Z-210318T0030Z/

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

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Jasper County in east central Mississippi...
  Jones County in southeastern Mississippi...

* Until 730 PM CDT.

* At 628 PM CDT, severe thunderstorms were located along a line
  extending from near Taylorsville to Sanford, moving northeast at 60
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Severe thunderstorms will be near...
  Ellisville around 640 PM CDT.
  Laurel and Bay Springs around 645 PM CDT.
  Turnerville and Tuckers Crossing around 650 PM CDT.
  Moss around 655 PM CDT.
  Sandersville and Garlandville around 700 PM CDT.
  Heidelberg and Rose Hill around 705 PM CDT.
  Stafford Springs around 710 PM CDT.

Other locations impacted by these severe thunderstorms include
Montrose, Louin and Soso.

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 central,
southeastern and east central Mississippi.

LAT...LON 3180 8940 3180 8932 3222 8932 3222 8892
      3183 8891 3182 8894 3143 8894 3143 8940
TIME...MOT...LOC 2328Z 227DEG 52KT 3185 8950 3151 8942 

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

CME
3 follow-up statements
295 
WWUS54 KJAN 172354
SVSJAN

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

MSC061-067-180030-
/O.CON.KJAN.SV.W.0030.000000T0000Z-210318T0030Z/
Jasper MS-Jones MS-
654 PM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR JASPER AND EASTERN JONES COUNTIES...

At 654 PM CDT, severe thunderstorms were located along a line
extending from 7 miles west of Heidelberg to near Ovett, moving
northeast at 70 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

These severe storms will be near...
  Heidelberg, Paulding and Stafford Springs around 700 PM CDT.
  Orange, Mill Creek and Rose Hill around 710 PM CDT.

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 300 AM CDT for southeastern
and east central Mississippi.

LAT...LON 3222 8921 3222 8892 3183 8891 3182 8894
      3143 8894 3143 8919
TIME...MOT...LOC 2354Z 226DEG 60KT 3191 8911 3146 8912 

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

CME
416 
WWUS54 KJAN 180004
SVSJAN

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

MSC061-180013-
/O.CAN.KJAN.SV.W.0030.000000T0000Z-210318T0030Z/
Jasper MS-
704 PM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR JASPER 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 300 AM CDT for southeastern
Mississippi.

LAT...LON 3181 8912 3182 8894 3143 8894 3143 8906
TIME...MOT...LOC 0003Z 227DEG 52KT 3199 8901 3154 8902 

$$

MSC067-180030-
/O.CON.KJAN.SV.W.0030.000000T0000Z-210318T0030Z/
Jones MS-
704 PM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR EASTERN JONES COUNTY...

At 703 PM CDT, severe thunderstorms were located along a line
extending from near Paulding to near Ovett, moving northeast at 60
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
eastern Jones County.

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 300 AM CDT for southeastern
Mississippi.

LAT...LON 3181 8912 3182 8894 3143 8894 3143 8906
TIME...MOT...LOC 0003Z 227DEG 52KT 3199 8901 3154 8902 

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

CME
955 
WWUS54 KJAN 180016
SVSJAN

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

MSC067-180025-
/O.CAN.KJAN.SV.W.0030.000000T0000Z-210318T0030Z/
Jones MS-
716 PM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN JONES COUNTY 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 300 AM CDT for southeastern
Mississippi.

LAT...LON 3181 8912 3182 8894 3143 8894 3143 8906
TIME...MOT...LOC 0014Z 227DEG 52KT 3210 8887 3165 8888 

$$

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, 6:13 PM CDTSevere Thunderstorm WarningJANForrest, Lamar47 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; radar from the NEXRAD Level II archive.