Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 285, NWS Jackson, MS

October 27, 2021Adams County, Franklin County, Jefferson County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Oct 27, 2021, 3:38 PM CDT for Adams County, Franklin County, Jefferson County, Mississippi. It was in force for 67 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, 3:38 PM CDT (20:38 UTC)
Expired
Oct 27, 2021, 4:45 PM CDT
In force
67 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Adams County, MS, Franklin County, MS, Jefferson County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 126 km from the middle of the area, began a volume at 20:40 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, 8.6 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-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.

199 
WUUS54 KJAN 272038
SVRJAN
MSC001-037-063-272145-
/O.NEW.KJAN.SV.W.0285.211027T2038Z-211027T2145Z/

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

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Jefferson County in southwestern Mississippi...
  Franklin County in southwestern Mississippi...
  Northeastern Adams County in southwestern Mississippi...

* Until 445 PM CDT.

* At 338 PM CDT, severe thunderstorms were located along a line
  extending from Clayton to near Gloster, moving northeast at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Severe thunderstorms will be near...
  Bude around 415 PM CDT.
  Little Springs around 420 PM CDT.
  New Hope around 425 PM CDT.
  Mccall Creek around 430 PM CDT.

Other locations impacted by these severe thunderstorms include Roxie
and Meadville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for northeastern
Louisiana...and south central and southwestern Mississippi.

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

A Tornado Watch remains in effect until 1000 PM CDT for northeastern
Louisiana...and south central and southwestern Mississippi.

&&

LAT...LON 3137 9122 3135 9132 3171 9140 3175 9137
      3176 9126 3176 9136 3185 9134 3186 9130
      3181 9127 3183 9124 3187 9126 3184 9091
      3183 9084 3178 9084 3178 9074 3161 9074
      3161 9063 3135 9063 3135 9102 3132 9112
TIME...MOT...LOC 2038Z 225DEG 33KT 3173 9154 3120 9112 

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

$$

DL
3 follow-up statements
400 
WWUS54 KJAN 272105
SVSJAN

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

MSC001-272114-
/O.CAN.KJAN.SV.W.0285.000000T0000Z-211027T2145Z/
Adams MS-
405 PM CDT Wed Oct 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ADAMS COUNTY IS
CANCELLED...

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


LAT...LON 3152 9111 3159 9116 3163 9115 3163 9119
      3177 9126 3185 9134 3186 9130 3181 9127
      3183 9124 3187 9126 3184 9091 3183 9084
      3179 9085 3178 9084 3178 9074 3161 9074
      3161 9063 3135 9063 3135 9105
TIME...MOT...LOC 2104Z 225DEG 33KT 3190 9135 3136 9093 

$$

MSC037-063-272145-
/O.CON.KJAN.SV.W.0285.000000T0000Z-211027T2145Z/
Jefferson MS-Franklin MS-
405 PM CDT Wed Oct 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR JEFFERSON AND FRANKLIN COUNTIES...

At 404 PM CDT, severe thunderstorms were located along a line 
extending from near Church Hill to 8 miles southwest of Bude, moving 
northeast at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

These severe storms will be near...
  Bude around 415 PM CDT.
  Little Springs around 420 PM CDT.
  New Hope around 425 PM CDT.
  Mccall Creek around 430 PM CDT.

Other locations impacted by these severe thunderstorms include Roxie
and Meadville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3152 9111 3159 9116 3163 9115 3163 9119
      3177 9126 3185 9134 3186 9130 3181 9127
      3183 9124 3187 9126 3184 9091 3183 9084
      3179 9085 3178 9084 3178 9074 3161 9074
      3161 9063 3135 9063 3135 9105
TIME...MOT...LOC 2104Z 225DEG 33KT 3190 9135 3136 9093 

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

$$

DL
203 
WWUS54 KJAN 272130
SVSJAN

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

MSC037-063-272145-
/O.CON.KJAN.SV.W.0285.000000T0000Z-211027T2145Z/
Jefferson MS-Franklin MS-
430 PM CDT Wed Oct 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR EASTERN JEFFERSON AND EASTERN FRANKLIN COUNTIES...

At 430 PM CDT, severe thunderstorms were located along a line
extending from near Red Lick to near Center Point, moving east at 40
mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

These severe storms will be near...
  Mcbride around 445 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3166 9097 3185 9105 3184 9091 3183 9084
      3179 9085 3178 9084 3178 9074 3161 9074
      3161 9063 3135 9063 3135 9077
TIME...MOT...LOC 2130Z 257DEG 35KT 3184 9095 3139 9065 

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

$$

DL
596 
WWUS54 KJAN 272141
SVSJAN

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

MSC037-063-272151-
/O.EXP.KJAN.SV.W.0285.000000T0000Z-211027T2145Z/
Jefferson MS-Franklin MS-
441 PM CDT Wed Oct 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN JEFFERSON AND EASTERN
FRANKLIN COUNTIES WILL EXPIRE AT 445 PM CDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Jackson.

LAT...LON 3166 9097 3185 9105 3184 9091 3183 9084
      3179 9085 3178 9084 3178 9074 3161 9074
      3161 9063 3135 9063 3135 9077
TIME...MOT...LOC 2141Z 225DEG 33KT 3190 9088 3145 9058 

$$

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, 4:16 PM CDTSevere Thunderstorm WarningJANClaiborne44 min
Oct 27, 4:45 PM CDTSevere Thunderstorm WarningJANLincoln45 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.