Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 290, NWS Jackson, MS

December 6, 2021Rankin County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Dec 6, 2021, 10:13 AM CST for Rankin County, Mississippi. It was in force for 62 min. 1 report 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: Dec 6, 2021, 10:13 AM CST (16:13 UTC)
Expired: Dec 6, 2021, 11:15 AM CST
In force: 62 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

County Rankin County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 11 km from the middle of the area, began a volume at 16:15 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
Dec 6, 10:15 AM CST	TSTM WND DMG	2 Ese Jan Airport, MS	A ROUGHLY 3 INCH DIAMETER PINE BRANCH WAS BLOWN DOWN ON EL DORADO ROAD. WINDS ALSO GUSTED TO AROUND 49MPH AT JACKSON MEDGAR WILEY EVERS INTERNATIONAL AIRPORT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 4.2 hours before the alert went out and 19 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: 799 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 551 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 261 m²/s²
0-3 km storm-relative helicity: 282 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 6.9

Open this sounding in Storm Lab

The text

As transmitted.

346 
WUUS54 KJAN 061613
SVRJAN
MSC121-061715-
/O.NEW.KJAN.SV.W.0290.211206T1613Z-211206T1715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
1013 AM CST Mon Dec 6 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Southern Rankin County in central Mississippi...

* Until 1115 AM CST.

* At 1012 AM CST, a severe thunderstorm was located over Pearl,
  moving southeast 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 thunderstorm will be near...
  Monterey around 1020 AM CST.
  Brandon around 1025 AM CST.
  Johns and Cato around 1045 AM CST.

Other locations impacted by this severe thunderstorm include Puckett.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3216 9019 3237 9010 3228 8973 3205 8973
      3205 8985
TIME...MOT...LOC 1612Z 294DEG 29KT 3228 9011 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

7

2 follow-up statements

046 
WWUS54 KJAN 061644
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1044 AM CST Mon Dec 6 2021

MSC121-061715-
/O.CON.KJAN.SV.W.0290.000000T0000Z-211206T1715Z/
Rankin MS-
1044 AM CST Mon Dec 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 AM CST
FOR SOUTHEASTERN RANKIN COUNTY...

At 1043 AM CST, a severe thunderstorm was located near Pelahatchie,
or 11 miles southwest of Morton, moving east 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 thunderstorm will remain over mainly rural areas of
southeastern Rankin County, including the following locations...
Puckett.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. This storm may cause serious injury and significant
property damage.

&&

LAT...LON 3210 8995 3233 8993 3228 8973 3205 8973
      3205 8985
TIME...MOT...LOC 1643Z 267DEG 31KT 3223 8977 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

7

696 
WWUS54 KJAN 061707
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
1107 AM CST Mon Dec 6 2021

MSC121-061716-
/O.EXP.KJAN.SV.W.0290.000000T0000Z-211206T1715Z/
Rankin MS-
1107 AM CST Mon Dec 6 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN RANKIN COUNTY
WILL EXPIRE AT 1115 AM CST...
                
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 will be allowed to expire.

LAT...LON 3210 8995 3233 8993 3228 8973 3205 8973
      3205 8985
TIME...MOT...LOC 1706Z 294DEG 29KT 3215 8957 

$$

7

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 6, 4:51 AM CST	Special Weather Statement	JAN	Issaquena	24 min
Dec 6, 5:16 AM CST	Special Weather Statement	JAN	Yazoo	29 min
Dec 6, 5:50 AM CST	Special Weather Statement	JAN	Grenada, Leflore	25 min
Dec 6, 6:19 AM CST	Special Weather Statement	JAN	Grenada, Webster	41 min
Dec 6, 6:50 AM CST	Special Weather Statement	JAN	Clay, Webster	40 min
Dec 6, 6:59 AM CST	Special Weather Statement	JAN	Bolivar	31 min
Dec 6, 7:34 AM CST	Special Weather Statement	JAN	Clay, Lowndes, Oktibbeha	41 min
Dec 6, 7:43 AM CST	Severe Thunderstorm Warning	JAN	Clay, Lowndes, Oktibbeha	47 min
Dec 6, 8:08 AM CST	Special Weather Statement	JAN	Noxubee	37 min
Dec 6, 9:38 AM CST	Severe Thunderstorm Warning	JAN	Hinds, Rankin	52 min
Dec 6, 9:47 AM CST	Special Weather Statement	JAN	Madison	28 min
Dec 6, 10:22 AM CST	Special Weather Statement	JAN	Copiah	38 min
Dec 6, 11:05 AM CST	Special Weather Statement	JAN	Simpson	40 min
Dec 6, 11:36 AM CST	Special Weather Statement	JAN	Jasper, Smith	39 min
Dec 6, 11:46 AM CST	Severe Thunderstorm Warning	JAN	Clarke, Jasper	59 min
Dec 6, 11:57 AM CST	Special Weather Statement	JAN	Covington, Jones	48 min
Dec 6, 12:21 PM CST	Special Weather Statement	JAN	Clarke	24 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.