Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 80, NWS Jackson, MS

April 9, 20214 counties in Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 9, 2021, 5:58 PM CDT for 4 counties in Mississippi. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 9, 2021, 5:58 PM CDT (22:58 UTC)
Expired: Apr 9, 2021, 6:45 PM CDT
In force: 47 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 2.0 in
Wind: 50.0 mph

Counties Kemper County, MS, Lauderdale County, MS, Neshoba County, MS, Newton County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 110 km from the middle of the area, began a volume at 23:01 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 9, 3:42 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 11.0 hours before the alert went out and 117 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: 1659 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 787 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 127 m²/s²
0-3 km storm-relative helicity: 150 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.4

Open this sounding in Storm Lab

The text

As transmitted.

771 
WUUS54 KJAN 092258
SVRJAN
MSC069-075-099-101-100015-
/O.NEW.KJAN.SV.W.0080.210409T2258Z-210410T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
558 PM CDT Fri Apr 9 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Northeastern Newton County in east central Mississippi...
  Western Kemper County in east central Mississippi...
  Eastern Neshoba County in east central Mississippi...
  Northwestern Lauderdale County in east central Mississippi...

* Until 715 PM CDT.

* At 557 PM CDT, a severe thunderstorm was located near Decatur, or 9
  miles northeast of Newton, moving north at 40 mph.

  HAZARD...Two inch hail.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect 
           damage to roofs, siding, windows, and vehicles.

* This severe thunderstorm will be near...
  Duffee and Little Rock around 610 PM CDT.
  Martin around 620 PM CDT.
  Herbert Springs and House around 625 PM CDT.
  Damascus and Bethsaida around 630 PM CDT.
  Forestdale around 640 PM CDT.
  Bluff Springs around 645 PM CDT.
  Preston and Nanih Waiya around 655 PM CDT.

Other locations impacted by this severe thunderstorm include Tucker.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3239 8892 3243 8909 3293 8902 3292 8893
      3293 8893 3293 8862
TIME...MOT...LOC 2257Z 198DEG 33KT 3238 8901 

HAIL...2.00IN
WIND...<50MPH
 
$$

CME

2 follow-up statements

923 
WWUS54 KJAN 092321
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
621 PM CDT Fri Apr 9 2021

MSC075-101-092330-
/O.CAN.KJAN.SV.W.0080.000000T0000Z-210410T0015Z/
Newton MS-Lauderdale MS-
621 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN NEWTON AND
NORTHWESTERN LAUDERDALE COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
east central Mississippi.

LAT...LON 3258 8885 3258 8907 3293 8902 3292 8893
      3293 8893 3293 8872
TIME...MOT...LOC 2320Z 192DEG 30KT 3256 8900 

$$

MSC069-099-100015-
/O.CON.KJAN.SV.W.0080.000000T0000Z-210410T0015Z/
Kemper MS-Neshoba MS-
621 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR WESTERN KEMPER AND EASTERN NESHOBA COUNTIES...

At 620 PM CDT, a severe thunderstorm was located over Little Rock, or
15 miles east of Prospect, moving north at 35 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...
  Herbert Springs around 625 PM CDT.
  House around 630 PM CDT.
  Bethsaida and Damascus around 635 PM CDT.
  Forestdale around 645 PM CDT.
  Bluff Springs around 650 PM CDT.
  Preston around 700 PM CDT.
  Nanih Waiya around 705 PM CDT.

Other locations impacted by this severe thunderstorm include Tucker.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3258 8885 3258 8907 3293 8902 3292 8893
      3293 8893 3293 8872
TIME...MOT...LOC 2320Z 192DEG 30KT 3256 8900 

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

CME

300 
WWUS54 KJAN 092345 RRA
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
645 PM CDT Fri Apr 9 2021

MSC069-099-092355-
/O.CAN.KJAN.SV.W.0080.000000T0000Z-210410T0015Z/
Kemper MS-Neshoba MS-
645 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN KEMPER AND EASTERN
NESHOBA COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
east central Mississippi.

LAT...LON 3258 8885 3258 8907 3293 8902 3292 8893
      3293 8893 3293 8872
TIME...MOT...LOC 2343Z 198DEG 33KT 3278 8891 

$$

CME

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 10:45 AM CDT	River Flood Warning	JAN	Neshoba	6 days
Apr 9, 10:47 AM CDT	River Flood Warning	JAN	Leake	5 days
Apr 9, 10:48 AM CDT	River Flood Warning	JAN	Lawrence	8 days
Apr 9, 10:49 AM CDT	River Flood Warning	JAN	Jones	7 days
Apr 9, 10:53 AM CDT	River Flood Warning	JAN	Clay	23 hr
Apr 9, 3:22 PM CDT	Special Weather Statement	JAN	Clarke	23 min
Apr 9, 4:17 PM CDT	Special Weather Statement	JAN	Covington	43 min
Apr 9, 4:50 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Smith	55 min
Apr 9, 4:55 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Sunflower, Washington	95 min
Apr 9, 5:19 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Newton	56 min
Apr 9, 5:46 PM CDT	Severe Thunderstorm Warning	JAN	Lowndes	59 min
Apr 9, 6:00 PM CDT	Severe Thunderstorm Warning	JAN	Sharkey, Washington	60 min
Apr 9, 6:16 PM CDT	Severe Thunderstorm Warning	JAN	Neshoba, Winston	59 min
Apr 9, 6:27 PM CDT	Special Weather Statement	JAN	Leflore	48 min
Apr 9, 6:47 PM CDT	Special Weather Statement	JAN	Humphreys	43 min
Apr 9, 6:52 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Washington	68 min
Apr 9, 6:55 PM CDT	Special Weather Statement	JAN	Carroll, Grenada	50 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.