Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 186, NWS Jackson, MS

June 7, 2021Yazoo County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 7, 2021, 4:03 PM CDT for Yazoo County, Mississippi. It was in force for 42 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: Jun 7, 2021, 4:03 PM CDT (21:03 UTC)
Expired: Jun 7, 2021, 4:45 PM CDT
In force: 42 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 57 km from the middle of the area, began a volume at 21:05 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 nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.1 hours before the alert went out and 49 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: 723 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 564 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 115 m²/s²
0-3 km storm-relative helicity: 93 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

As transmitted.

572 
WUUS54 KJAN 072103
SVRJAN
MSC163-072145-
/O.NEW.KJAN.SV.W.0186.210607T2103Z-210607T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
403 PM CDT Mon Jun 7 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Central Yazoo County in central Mississippi...

* Until 445 PM CDT.

* At 402 PM CDT, a severe thunderstorm was located near Little Yazoo,
  or 16 miles south of Yazoo City, moving north at 20 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...
  Little Yazoo, Myrleville and Tinsley around 420 PM CDT.
  Yazoo City and Benton around 445 PM CDT.

Other locations impacted by this severe thunderstorm include
Bentonia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3293 9016 3266 9022 3267 9022 3267 9023
      3266 9025 3266 9028 3264 9029 3265 9030
      3264 9031 3262 9052 3292 9051
TIME...MOT...LOC 2102Z 188DEG 18KT 3263 9038 

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

NF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 11:26 AM CDT	River Flood Warning	JAN	Jones	4 days
Jun 7, 12:38 PM CDT	Special Weather Statement	JAN	Grenada	37 min
Jun 7, 12:57 PM CDT	Special Weather Statement	JAN	Leflore	33 min
Jun 7, 1:29 PM CDT	Special Weather Statement	JAN	Leflore	46 min
Jun 7, 2:15 PM CDT	Special Weather Statement	JAN	Claiborne, Jefferson	30 min
Jun 7, 2:23 PM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Jefferson	52 min
Jun 7, 2:36 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison, Rankin	39 min
Jun 7, 3:01 PM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Hinds, Warren	44 min
Jun 7, 3:15 PM CDT	Special Weather Statement	JAN	Neshoba	30 min
Jun 7, 3:19 PM CDT	Special Weather Statement	JAN	Madison	26 min
Jun 7, 3:29 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison, Yazoo	46 min
Jun 7, 3:47 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Madison, Rankin	43 min
Jun 7, 4:11 PM CDT	Special Weather Statement	JAN	Winston	34 min
Jun 7, 4:17 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Leake, Madison	58 min
Jun 7, 5:08 PM CDT	Special Weather Statement	JAN	Lowndes	52 min
Jun 7, 6:23 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Issaquena, Sharkey, Washington	55 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.