Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 74, NWS Jackson, MS

April 9, 2021Chicot County, Arkansas; Bolivar County, Sunflower County, Washington County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 9, 2021, 4:55 PM CDT for Chicot County, Arkansas; Bolivar County, Sunflower County, Washington County, Mississippi. It was in force for 95 min. 2 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: Apr 9, 2021, 4:55 PM CDT (21:55 UTC)
Expired: Apr 9, 2021, 6:30 PM CDT
In force: 95 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Chicot County, AR, Bolivar County, MS, Sunflower County, MS, Washington County, MS

The radar

The Little Rock radar (KLZK), 163 km from the middle of the area, began a volume at 21:58 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
Apr 9, 5:42 PM CDT	TSTM WND DMG	Benoit, MS	POWER LINES DOWN.
Apr 9, 6:00 PM CDT	TSTM WND DMG	Cleveland, MS	POWER LINE DOWN.

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
Apr 9, 3:42 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 9.9 hours before the alert went out and 146 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2139 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 141 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

069 
WUUS54 KJAN 092155
SVRJAN
ARC017-MSC011-133-151-092330-
/O.NEW.KJAN.SV.W.0074.210409T2155Z-210409T2330Z/

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

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Northern Chicot County in southeastern Arkansas...
  Sunflower County in northwestern Mississippi...
  Northern Washington County in northwestern Mississippi...
  Bolivar County in northwestern Mississippi...

* Until 630 PM CDT.

* At 454 PM CDT, severe thunderstorms were located along a line
  extending from near Mills to near Omega to 6 miles southwest of
  Dermott, 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.

* Severe thunderstorms will be near...
  Rosedale around 520 PM CDT.
  Scott, Gunnison, Lamont and Winterville around 530 PM CDT.
  Greenville, Metcalfe and Benoit around 535 PM CDT.
  Shelby and Mound Bayou around 545 PM CDT.
  Shaw and Deeson around 550 PM CDT.
  Parchman around 600 PM CDT.
  Rome around 605 PM CDT.
  Ruleville, Sunflower and Blaine around 610 PM CDT.

Other locations impacted by these severe thunderstorms include
Alligator, Beulah, Pace, Doddsville, Winstonville, Duncan, Merigold
and Halley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3412 9066 3399 9066 3399 9045 3349 9046
      3338 9146 3356 9145 3352 9125 3360 9113
      3370 9122 3368 9103 3377 9115 3378 9099
      3385 9107 3393 9101 3397 9109 3396 9097
      3402 9099 3409 9087 3412 9095
TIME...MOT...LOC 2154Z 260DEG 41KT 3395 9162 3383 9140 3348 9154 

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

TW

3 follow-up statements

714 
WWUS54 KJAN 092248
SVSJAN

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

ARC017-092258-
/O.CAN.KJAN.SV.W.0074.000000T0000Z-210409T2330Z/
Chicot AR-
548 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN CHICOT COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
southeastern Arkansas...and northwestern Mississippi.

LAT...LON 3412 9066 3399 9066 3399 9045 3349 9046
      3341 9121 3345 9112 3350 9117 3344 9123
      3345 9123 3360 9113 3370 9122 3368 9103
      3377 9115 3378 9099 3393 9101 3397 9109
      3396 9097 3409 9087 3412 9095
TIME...MOT...LOC 2248Z 254DEG 36KT 3419 9098 3398 9077 3367 9083 3342
9098

$$

MSC011-133-151-092330-
/O.CON.KJAN.SV.W.0074.000000T0000Z-210409T2330Z/
Sunflower MS-Washington MS-Bolivar MS-
548 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR SUNFLOWER...NORTHERN WASHINGTON AND BOLIVAR COUNTIES...

At 548 PM CDT, severe thunderstorms were located along a line
extending from near Crumrod to near Shelby to near Shaw to near
Metcalfe, moving east at 40 mph.

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

SOURCE...Radar indicated.

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

These severe storms will be near...
  Shelby around 555 PM CDT.
  Cleveland, Renova and Boyle around 600 PM CDT.
  Ruleville and Rome around 610 PM CDT.
  Drew around 615 PM CDT.
  Sunflower and Blaine around 630 PM CDT.

Other locations impacted by these severe thunderstorms include
Alligator, Beulah, Pace, Doddsville, Winstonville, Duncan and
Merigold.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3412 9066 3399 9066 3399 9045 3349 9046
      3341 9121 3345 9112 3350 9117 3344 9123
      3345 9123 3360 9113 3370 9122 3368 9103
      3377 9115 3378 9099 3393 9101 3397 9109
      3396 9097 3409 9087 3412 9095
TIME...MOT...LOC 2248Z 254DEG 36KT 3419 9098 3398 9077 3367 9083 3342
9098

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

TW

919 
WWUS54 KJAN 092305
SVSJAN

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

MSC011-133-151-092330-
/O.CON.KJAN.SV.W.0074.000000T0000Z-210409T2330Z/
Sunflower MS-Washington MS-Bolivar MS-
605 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR SUNFLOWER...NORTHEASTERN WASHINGTON AND EASTERN BOLIVAR
COUNTIES...

At 604 PM CDT, severe thunderstorms were located along a line
extending from 6 miles west of Sherard to 8 miles west of Rome to
near Boyle to near Leland, moving east at 40 mph.

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

SOURCE...Radar indicated.

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

These severe storms will be near...
  Parchman, Rome and Blaine around 615 PM CDT.
  Ruleville and Drew around 620 PM CDT.
  Sunflower around 635 PM CDT.

Other locations impacted by these severe thunderstorms include
Doddsville, Alligator, Winstonville, Duncan, Pace and Merigold.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3412 9066 3399 9066 3399 9045 3349 9046
      3344 9093 3376 9091 3392 9088 3409 9087
      3412 9095
TIME...MOT...LOC 2304Z 257DEG 34KT 3420 9083 3399 9062 3368 9068 3343
9083

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

TW

489 
WWUS54 KJAN 092321 RRA
SVSJAN

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

MSC011-151-092331-
/O.CAN.KJAN.SV.W.0074.000000T0000Z-210409T2330Z/
Washington MS-Bolivar MS-
621 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WASHINGTON AND
EASTERN BOLIVAR COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

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

LAT...LON 3399 9045 3349 9046 3346 9076 3362 9076
      3362 9066 3399 9066
TIME...MOT...LOC 2321Z 258DEG 40KT 3418 9067 3397 9046 3366 9052 3341
9067

$$

MSC133-092330-
/O.CON.KJAN.SV.W.0074.000000T0000Z-210409T2330Z/
Sunflower MS-
621 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR SUNFLOWER COUNTY...

At 621 PM CDT, severe thunderstorms were located along a line
extending from near Sherard to Rome to near Blaine to near Indianola,
moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

These severe storms will be near...
  Parchman and Rome around 625 PM CDT.
  Sunflower around 635 PM CDT.

Other locations impacted by these severe thunderstorms include
Doddsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3399 9045 3349 9046 3346 9076 3362 9076
      3362 9066 3399 9066
TIME...MOT...LOC 2321Z 258DEG 40KT 3418 9067 3397 9046 3366 9052 3341
9067

HAIL...<.75IN
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, 4:26 PM CDT	Severe Thunderstorm Warning	JAN	Ashley	70 min
Apr 9, 5:12 PM CDT	Severe Thunderstorm Warning	JAN	Ashley, Chicot	76 min
Apr 9, 5:55 PM CDT	Severe Thunderstorm Warning	JAN	Ashley	65 min
Apr 9, 6:52 PM CDT	Severe Thunderstorm Warning	JAN	Chicot	68 min
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, 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, 6:00 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, 6:55 PM CDT	Special Weather Statement	JAN	Carroll, Grenada	50 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021 Severe Thunderstorm Warnings in Arkansas, 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.