Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 287, NWS Jackson, MS

October 27, 2021Lincoln County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Oct 27, 2021, 4:45 PM CDT for Lincoln County, Mississippi. It was in force for 45 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
Oct 27, 2021, 4:45 PM CDT (21:45 UTC)
Expired
Oct 27, 2021, 5:30 PM CDT
In force
45 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Lincoln County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 96 km from the middle of the area, began a volume at 21:43 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.

IssuedProductOfficeLasted
Oct 27, 1:53 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.8 hours before the alert went out and 96 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-pSkew-T log-p diagram, Jackson, MS at 12:00Z on 2021-10-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 2021-10-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
2345 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

808 
WUUS54 KJAN 272145
SVRJAN
MSC085-272230-
/O.NEW.KJAN.SV.W.0287.211027T2145Z-211027T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
445 PM CDT Wed Oct 27 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Lincoln County in south central Mississippi...

* Until 530 PM CDT.

* At 445 PM CDT, a severe thunderstorm was located near Center Point,
  or 11 miles north of Mccomb, moving northeast at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Brookhaven, Enterprise, Ruth, West Lincoln, Bogue Chitto and East
  Lincoln.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for south central
Mississippi.

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

&&

LAT...LON 3146 9062 3170 9029 3171 9024 3135 9024
      3135 9056
TIME...MOT...LOC 2145Z 237DEG 28KT 3140 9054 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

DL
2 follow-up statements
441 
WWUS54 KJAN 272201
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
501 PM CDT Wed Oct 27 2021

MSC085-272230-
/O.CON.KJAN.SV.W.0287.000000T0000Z-211027T2230Z/
Lincoln MS-
501 PM CDT Wed Oct 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR EASTERN LINCOLN COUNTY...

At 501 PM CDT, a severe thunderstorm was located over Enterprise, or
8 miles south of Brookhaven, moving northeast at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Brookhaven, Enterprise, Ruth, East Lincoln and Bogue Chitto. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for south central
Mississippi.

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

&&

LAT...LON 3153 9052 3170 9029 3171 9024 3135 9024
      3135 9039
TIME...MOT...LOC 2201Z 237DEG 28KT 3147 9041 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

DL
296 
WWUS54 KJAN 272233
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
533 PM CDT Wed Oct 27 2021

MSC085-272243-
/O.EXP.KJAN.SV.W.0287.000000T0000Z-211027T2230Z/
Lincoln MS-
533 PM CDT Wed Oct 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN LINCOLN COUNTY HAS
EXPIRED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been allowed to expire.

A Tornado Watch remains in effect until 1000 PM CDT for south central
Mississippi.

LAT...LON 3153 9052 3170 9029 3171 9024 3135 9024
      3135 9039
TIME...MOT...LOC 2233Z 237DEG 28KT 3160 9018 

$$

DL

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 27, 2:30 PM CDTSevere Thunderstorm WarningJANAdams75 min
Oct 27, 3:38 PM CDTSevere Thunderstorm WarningJANAdams, Franklin, Jefferson67 min
Oct 27, 4:16 PM CDTSevere Thunderstorm WarningJANClaiborne44 min
Oct 27, 5:16 PM CDTSpecial Weather StatementJANCopiah, Hinds, Jefferson Davis, Lawrence, Rankin, Simpson74 min
Oct 27, 6:08 PM CDTSpecial Weather StatementJANForrest, Lamar, Marion67 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021Every 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.