Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 31, NWS Jackson, MS

March 17, 20219 counties in Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 17, 2021, 6:42 PM CDT for 9 counties in Mississippi. It was in force for 76 min. 12 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, 6:42 PM CDT (23:42 UTC)
Expired: Mar 17, 2021, 7:58 PM CDT
In force: 76 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Choctaw County, MS, Clay County, MS, Kemper County, MS, Lowndes County, MS, Neshoba County, MS, Noxubee County, MS, Oktibbeha County, MS, Webster County, MS, Winston County, MS

The radar

The Columbus AFB radar (KGWX), 57 km from the middle of the area, began a volume at 23:42 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 17, 6:52 PM CDT	TSTM WND DMG	2 W Sturgis, MS	TREES DOWNED BLOCKING BOTH LANES OF MS HIGHWAY 12 NEAR THE OKTIBBEHA/CHOCTAW COUNTY LINE.
Mar 17, 6:57 PM CDT	TSTM WND DMG	2 Ssw Reform, MS	TREE DOWNED ON A POWER LINE ALONG MS HIGHWAY 15.
Mar 17, 7:05 PM CDT	TSTM WND DMG	3 W Adaton, MS	MULTIPLE TREES DOWNED ACROSS SELF CREEK RD. REPORTED VIA SOCIAL MEDIA.
Mar 17, 7:06 PM CDT	TSTM WND DMG	3 W Rock Hill, MS	TREE DOWNED ALONG MS HIGHWAY 389 NORTH OF STARKVILLE.
Mar 17, 7:07 PM CDT	TSTM WND GST 60	2 Ene Starkville, MS	REPORTED BY METEOROLOGY STUDENTS ON THE CAMPUS OF MISSISSIPPI STATE UNIVERSITY.
Mar 17, 7:17 PM CDT	TSTM WND DMG	3 Nw West Point, MS	A SHED WAS DESTROYED, AND SEVERAL TREE SNAPPED.
Mar 17, 7:19 PM CDT	TSTM WND DMG	2 Sse Siloam, MS	TREES DOWNED ALONG MS HIGHWAY 50 NEAR MS HIGHWAY 47.
Mar 17, 7:20 PM CDT	TSTM WND DMG	1 Wnw West Point, MS	PORTION OF A TIN ROOF WAS REMOVED FROM A BUILDING.
Mar 17, 7:21 PM CDT	TSTM WND DMG	3 Nw West Point, MS	SIX TREES BLOWN DOWN. ONE TREE FELL ONTO A HOUSE.
Mar 17, 7:21 PM CDT	TSTM WND DMG	West Point, MS	TREES DOWNED ON HOUSES IN WEST POINT.
Mar 17, 7:32 PM CDT	TSTM WND DMG	1 Wsw Columbus, MS	TREE DOWNED ALONG 5TH ST N.
Mar 17, 7:39 PM CDT	TSTM WND DMG	3 S Steens, MS	TREE DOWNED ALONG TABERNACLE RD.

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.

Issued	Product	Office	Lasted
Mar 17, 11:36 AM CDT	Tornado Watch PDS	SPC	7 hr
Mar 17, 12:57 PM CDT	Tornado Watch PDS	SPC	6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 11.7 hours before the alert went out and 183 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: 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.

816 
WUUS54 KJAN 172342
SVRJAN
MSC019-025-069-087-099-103-105-155-159-180115-
/O.NEW.KJAN.SV.W.0031.210317T2342Z-210318T0115Z/

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

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Northeastern Choctaw County in central Mississippi...
  Noxubee County in east central Mississippi...
  Northern Kemper County in east central Mississippi...
  Oktibbeha County in northeastern Mississippi...
  Eastern Winston County in east central Mississippi...
  Eastern Webster County in north central Mississippi...
  Northeastern Neshoba County in east central Mississippi...
  Clay County in northeastern Mississippi...
  Lowndes County in northeastern Mississippi...

* Until 815 PM CDT.

* At 642 PM CDT, severe thunderstorms were located along a line
  extending from 7 miles southeast of Lodi to 6 miles south of
  Ackerman to near Burnside, moving northeast at 55 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Severe thunderstorms will be near...
  Eupora around 650 PM CDT.
  Nanih Waiya and Betheden around 655 PM CDT.
  Mathiston, Craig Springs, Clarkson and Sherwood around 700 PM CDT.
  Preston, Maben, Cumberland and Longview around 705 PM CDT.
  Starkville, Oktoc, Gholson and Pheba around 710 PM CDT.
  Montpelier, Sessums and Mashulaville around 715 PM CDT.
  Griffith around 720 PM CDT.
  Macon, Bent Oak, Pala Alto and Tibbee around 725 PM CDT.

Other locations impacted by these severe thunderstorms include
Shuqualak, Sturgis and Artesia.

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,
northeastern and east central Mississippi. A Tornado Watch also
remains in effect until 700 PM CDT for north central Mississippi.

LAT...LON 3289 8835 3269 8902 3325 8903 3329 8909
      3356 8932 3375 8901 3376 8893 3380 8893
      3381 8891 3381 8872 3368 8872 3367 8850
      3365 8851 3369 8837 3374 8833 3374 8825
TIME...MOT...LOC 2342Z 243DEG 46KT 3349 8941 3321 8918 3283 8915 

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

TW

5 follow-up statements

120 
WWUS54 KJAN 180018
SVSJAN

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

MSC019-069-099-155-159-180028-
/O.CAN.KJAN.SV.W.0031.000000T0000Z-210318T0115Z/
Choctaw MS-Kemper MS-Winston MS-Webster MS-Neshoba MS-
718 PM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CHOCTAW...
NORTHERN KEMPER...EASTERN WINSTON...EASTERN WEBSTER AND NORTHEASTERN
NESHOBA COUNTIES 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 northeastern
and east central Mississippi.

LAT...LON 3293 8835 3293 8877 3328 8878 3345 8878
      3350 8885 3356 8898 3374 8903 3375 8901
      3376 8893 3380 8893 3381 8891 3381 8872
      3368 8872 3367 8850 3365 8851 3369 8837
      3374 8833 3374 8825
TIME...MOT...LOC 0018Z 241DEG 49KT 3383 8891 3346 8864 3287 8865 

$$

MSC025-087-103-105-180115-
/O.CON.KJAN.SV.W.0031.000000T0000Z-210318T0115Z/
Noxubee MS-Oktibbeha MS-Clay MS-Lowndes MS-
718 PM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR NOXUBEE...EASTERN OKTIBBEHA...CLAY AND LOWNDES COUNTIES...

At 718 PM CDT, severe thunderstorms were located along a line
extending from near Trebloc to near Sessums to 6 miles southeast of
Gholson, moving northeast 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...
  Bent Oak and Tibbee around 725 PM CDT.
  Waverly around 730 PM CDT.
  Columbus, Columbus AFB and Paulette around 735 PM CDT.
  Cooksville, Steens and Kolola Springs around 740 PM CDT.
  Caledonia around 745 PM CDT.

Other locations impacted by these severe thunderstorms include
Shuqualak and Artesia.

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 northeastern
and east central Mississippi.

LAT...LON 3293 8835 3293 8877 3328 8878 3345 8878
      3350 8885 3356 8898 3374 8903 3375 8901
      3376 8893 3380 8893 3381 8891 3381 8872
      3368 8872 3367 8850 3365 8851 3369 8837
      3374 8833 3374 8825
TIME...MOT...LOC 0018Z 241DEG 49KT 3383 8891 3346 8864 3287 8865 

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

TW

447 
WWUS54 KJAN 180025
SVSJAN

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

MSC105-180035-
/O.CAN.KJAN.SV.W.0031.000000T0000Z-210318T0115Z/
Oktibbeha MS-
725 PM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN OKTIBBEHA 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 northeastern
and east central Mississippi.

LAT...LON 3293 8835 3293 8868 3356 8867 3357 8878
      3376 8893 3380 8893 3381 8891 3381 8872
      3368 8872 3367 8850 3365 8851 3369 8837
      3374 8833 3374 8825
TIME...MOT...LOC 0025Z 242DEG 47KT 3387 8880 3350 8853 3291 8854 

$$

MSC025-087-103-180115-
/O.CON.KJAN.SV.W.0031.000000T0000Z-210318T0115Z/
Noxubee MS-Clay MS-Lowndes MS-
725 PM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR NOXUBEE...CLAY AND LOWNDES COUNTIES...

At 725 PM CDT, severe thunderstorms were located along a line
extending from near Trebloc to near Bent Oak to 8 miles southwest of
Paulette, moving northeast 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...
  Waverly around 730 PM CDT.
  Columbus and Columbus AFB around 735 PM CDT.
  Steens and Kolola Springs around 740 PM CDT.
  Caledonia around 745 PM CDT.

Other locations impacted by these severe thunderstorms include
Shuqualak and Artesia.

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 northeastern
and east central Mississippi.

LAT...LON 3293 8835 3293 8868 3356 8867 3357 8878
      3376 8893 3380 8893 3381 8891 3381 8872
      3368 8872 3367 8850 3365 8851 3369 8837
      3374 8833 3374 8825
TIME...MOT...LOC 0025Z 242DEG 47KT 3387 8880 3350 8853 3291 8854 

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

TW

339 
WWUS54 KJAN 180035
SVSJAN

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

MSC025-180045-
/O.CAN.KJAN.SV.W.0031.000000T0000Z-210318T0115Z/
Clay MS-
735 PM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR CLAY 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 northeastern
and east central Mississippi.

LAT...LON 3310 8833 3310 8859 3341 8845 3352 8848
      3353 8847 3354 8849 3356 8850 3356 8849
      3360 8847 3362 8851 3364 8850 3365 8851
      3369 8837 3372 8833 3374 8833 3374 8825
TIME...MOT...LOC 0035Z 241DEG 48KT 3397 8863 3360 8836 3301 8837 

$$

MSC087-103-180115-
/O.CON.KJAN.SV.W.0031.000000T0000Z-210318T0115Z/
Noxubee MS-Lowndes MS-
735 PM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR NORTHEASTERN NOXUBEE AND LOWNDES COUNTIES...

At 735 PM CDT, severe thunderstorms were located along a line
extending from New Wren to near Steens to Cooksville, moving
northeast 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...
  Caledonia, Steens and Kolola Springs around 740 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 northeastern
and east central Mississippi.

LAT...LON 3310 8833 3310 8859 3341 8845 3352 8848
      3353 8847 3354 8849 3356 8850 3356 8849
      3360 8847 3362 8851 3364 8850 3365 8851
      3369 8837 3372 8833 3374 8833 3374 8825
TIME...MOT...LOC 0035Z 241DEG 48KT 3397 8863 3360 8836 3301 8837 

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

TW

642 
WWUS54 KJAN 180044
SVSJAN

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

MSC087-103-180115-
/O.CON.KJAN.SV.W.0031.000000T0000Z-210318T0115Z/
Noxubee MS-Lowndes MS-
744 PM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR NORTHEASTERN NOXUBEE AND EASTERN LOWNDES COUNTIES...

At 744 PM CDT, severe thunderstorms were located along a line
extending from near Bedford to near Ethelsville to Prairie Point,
moving northeast at 70 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
northeastern Noxubee and eastern Lowndes Counties.

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 northeastern
and east central Mississippi.

LAT...LON 3312 8833 3312 8848 3333 8838 3346 8834
      3356 8834 3368 8836 3371 8832 3373 8832
      3373 8825 3323 8831
TIME...MOT...LOC 0044Z 225DEG 59KT 3380 8827 3346 8821 3315 8842 

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

TW

378 
WWUS54 KJAN 180058
SVSJAN

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

MSC087-103-180108-
/O.CAN.KJAN.SV.W.0031.000000T0000Z-210318T0115Z/
Noxubee MS-Lowndes MS-
758 PM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN NOXUBEE AND
EASTERN LOWNDES 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 300 AM CDT for northeastern
and east central Mississippi.

LAT...LON 3312 8833 3312 8848 3333 8838 3346 8834
      3356 8834 3368 8836 3371 8832 3373 8832
      3373 8825 3323 8831
TIME...MOT...LOC 0057Z 243DEG 46KT 3388 8809 3354 8803 3323 8824 

$$

CME

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, 7:32 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis, Lawrence, Simpson	58 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

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.