Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 165, NWS Jackson, MS

May 9, 2021Bolivar County, Sunflower County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 9, 2021, 7:32 PM CDT for Bolivar County, Sunflower County, Mississippi. It was in force for 73 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: May 9, 2021, 7:32 PM CDT (00:32 UTC)
Expired: May 9, 2021, 8:45 PM CDT
In force: 73 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Bolivar County, MS, Sunflower County, MS

The radar

The Little Rock radar (KLZK), 161 km from the middle of the area, began a volume at 00:35 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
May 9, 1:14 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 0.5 hours before the alert went out and 121 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: 762 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 787 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: -37 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

As transmitted.

812 
WUUS54 KJAN 100032
SVRJAN
MSC011-133-100145-
/O.NEW.KJAN.SV.W.0165.210510T0032Z-210510T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
732 PM CDT Sun May 9 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Northeastern Sunflower County in northwestern Mississippi...
  Northeastern Bolivar County in northwestern Mississippi...

* Until 845 PM CDT.

* At 732 PM CDT, a severe thunderstorm was located 8 miles east of
  Crumrod, or 11 miles south of Elaine, moving southeast at 30 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Deeson around 740 PM CDT.
  Shelby around 755 PM CDT.
  Mound Bayou around 805 PM CDT.
  Parchman and Rome around 820 PM CDT.
  Drew around 830 PM CDT.

Other locations impacted by this severe thunderstorm include
Alligator, 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 3380 9045
      3380 9091 3396 9100 3396 9097 3398 9096
      3402 9099 3402 9090 3409 9087 3410 9089
      3409 9092 3412 9095
TIME...MOT...LOC 0032Z 315DEG 27KT 3414 9084 

HAIL...1.00IN
WIND...60MPH
 
$$

19

2 follow-up statements

569 
WWUS54 KJAN 100111
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
811 PM CDT Sun May 9 2021

MSC011-133-100145-
/O.CON.KJAN.SV.W.0165.000000T0000Z-210510T0145Z/
Sunflower MS-Bolivar MS-
811 PM CDT Sun May 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR NORTHEASTERN SUNFLOWER AND NORTHEASTERN BOLIVAR COUNTIES...

At 811 PM CDT, a severe thunderstorm was located near Deeson, or 7
miles north of Shelby, moving southeast at 50 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

This severe storm will be near...
  Parchman and Rome around 830 PM CDT.

Other locations impacted by this severe thunderstorm include Duncan
and Alligator.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3399 9045 3388 9045 3402 9090 3409 9087
      3410 9089 3409 9092 3412 9095 3412 9066
      3399 9066
TIME...MOT...LOC 0111Z 294DEG 44KT 3406 9075 

HAIL...1.00IN
WIND...60MPH
 
$$

19

584 
WWUS54 KJAN 100145
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
845 PM CDT Sun May 9 2021

MSC011-133-100155-
/O.EXP.KJAN.SV.W.0165.000000T0000Z-210510T0145Z/
Sunflower MS-Bolivar MS-
845 PM CDT Sun May 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SUNFLOWER AND
NORTHEASTERN BOLIVAR COUNTIES HAS EXPIRED...
                
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 allowed to expire.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
northwestern Mississippi.

LAT...LON 3399 9045 3388 9045 3402 9090 3409 9087
      3410 9089 3409 9092 3412 9095 3412 9066
      3399 9066
TIME...MOT...LOC 0145Z 315DEG 27KT 3389 9055 

$$

19

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 7:57 PM CDT	Severe Thunderstorm Warning	JAN	Clay, Webster	43 min
May 9, 8:21 PM CDT	Severe Thunderstorm Warning	JAN	Lowndes	28 min
May 9, 8:55 PM CDT	Special Weather Statement	JAN	Issaquena	35 min
May 9, 9:06 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey, Washington	39 min
May 9, 9:36 PM CDT	Severe Thunderstorm Warning	JAN	Yazoo	37 min
May 9, 9:45 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey	60 min
May 9, 10:12 PM CDT	Severe Thunderstorm Warning	JAN	Warren, Yazoo	62 min
May 9, 10:16 PM CDT	Severe Thunderstorm Warning	JAN	Holmes, Humphreys, Yazoo	35 min
May 9, 10:24 PM CDT	Flash Flood Warning	JAN	Holmes, Humphreys, Sharkey, Yazoo	86 min
May 9, 10:34 PM CDT	Flash Flood Warning	JAN	Carroll, Choctaw, Clay, Lowndes, Montgomery, Oktibbeha and 1 more	78 min
May 9, 10:38 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison, Rankin	82 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.