Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 81, NWS Jackson, MS

April 9, 2021Sharkey County, Washington County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 9, 2021, 6:00 PM CDT for Sharkey County, Washington County, Mississippi. It was in force for 60 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, 6:00 PM CDT (23:00 UTC)
Expired: Apr 9, 2021, 7:00 PM CDT
In force: 60 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Sharkey County, MS, Washington County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 145 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 136 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.

476 
WUUS54 KJAN 092300
SVRJAN
MSC125-151-100000-
/O.NEW.KJAN.SV.W.0081.210409T2300Z-210410T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
600 PM CDT Fri Apr 9 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Washington County in northwestern Mississippi...
  Northern Sharkey County in west central Mississippi...

* Until 700 PM CDT.

* At 600 PM CDT, a severe thunderstorm was located over Eudora,
  moving east at 45 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Avon around 615 PM CDT.
  Hollandale, Estill and Panther Burn around 630 PM CDT.
  Delta City and Darlove around 635 PM CDT.
  Murphy around 640 PM CDT.

Other locations impacted by this severe thunderstorm include Arcola.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3327 9076 3320 9068 3312 9070 3301 9066
      3301 9116 3306 9112 3313 9120 3314 9109
      3322 9109 3327 9104 3328 9105 3324 9110
      3333 9114 3338 9110 3341 9121 3342 9118
      3343 9109 3339 9110 3343 9106 3346 9076
TIME...MOT...LOC 2300Z 268DEG 38KT 3314 9123 

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

TW

2 follow-up statements

786 
WWUS54 KJAN 092336
SVSJAN

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

MSC125-151-100000-
/O.CON.KJAN.SV.W.0081.000000T0000Z-210410T0000Z/
Washington MS-Sharkey MS-
636 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR WASHINGTON AND NORTHERN SHARKEY COUNTIES...

At 635 PM CDT, a severe thunderstorm was located near Hollandale,
moving east at 45 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

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

This severe storm will be near...
  Murphy around 640 PM CDT.

Other locations impacted by this severe thunderstorm include Arcola.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3327 9076 3320 9068 3312 9070 3301 9066
      3301 9098 3311 9098 3322 9109 3327 9104
      3328 9105 3324 9110 3333 9114 3338 9110
      3341 9121 3342 9118 3343 9109 3339 9110
      3343 9106 3346 9076
TIME...MOT...LOC 2335Z 268DEG 38KT 3315 9078 

HAIL...0.88IN
WIND...60MPH
 
$$

TW

614 
WWUS54 KJAN 092345
SVSJAN

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

MSC125-092355-
/O.CAN.KJAN.SV.W.0081.000000T0000Z-210410T0000Z/
Sharkey MS-
645 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN SHARKEY COUNTY 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
central and northwestern Mississippi.

LAT...LON 3327 9076 3320 9068 3312 9070 3310 9069
      3310 9079 3324 9097 3334 9101 3344 9094
      3346 9076
TIME...MOT...LOC 2345Z 268DEG 38KT 3315 9065 

$$

MSC151-100000-
/O.CON.KJAN.SV.W.0081.000000T0000Z-210410T0000Z/
Washington MS-
645 PM CDT Fri Apr 9 2021

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

At 645 PM CDT, a severe thunderstorm was located near Murphy, or 9
miles west of Belzoni, moving east at 45 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

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

This severe thunderstorm will remain over mainly rural areas of
eastern Washington County, including the following locations...
Arcola.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3327 9076 3320 9068 3312 9070 3310 9069
      3310 9079 3324 9097 3334 9101 3344 9094
      3346 9076
TIME...MOT...LOC 2345Z 268DEG 38KT 3315 9065 

HAIL...0.88IN
WIND...60MPH
 
$$

TW

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, 5:58 PM CDT	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale, Neshoba, Newton	47 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.