Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 9, NWS Jackson, MS

March 15, 2021Rankin County, Scott County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 15, 2021, 6:48 PM CDT for Rankin County, Scott County, Mississippi. It was in force for 57 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
Mar 15, 2021, 6:48 PM CDT (23:48 UTC)
Expired
Mar 15, 2021, 7:45 PM CDT
In force
57 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Rankin County, MS, Scott County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 31 km from the middle of the area, began a volume at 23:52 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

TimeReportWhereRemark
Mar 15, 6:54 PM CDTHAIL 12 Nnw Goshen Springs, MSNICKEL TO QUARTER SIZED HAIL.

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, 11.8 hours before the alert went out and 33 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 2021-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 164 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 271 square meters per square second.1939587897Sfc1 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
164 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
601 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
271 m²/s²
0-3 km storm-relative helicity
274 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted.

242 
WUUS54 KJAN 152348
SVRJAN
MSC121-123-160045-
/O.NEW.KJAN.SV.W.0009.210315T2348Z-210316T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
648 PM CDT Mon Mar 15 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Northeastern Rankin County in central Mississippi...
  Northwestern Scott County in central Mississippi...

* Until 745 PM CDT.

* At 648 PM CDT, a severe thunderstorm was located near Goshen
  Springs, or 8 miles east of Madison, moving east at 30 mph.

  HAZARD...60 mph wind gusts and half dollar 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...
  Pisgah around 700 PM CDT.
  Ludlow and Forkville around 720 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3247 8960 3240 9003 3248 9001 3248 8999
      3250 8998 3249 8996 3254 8989 3256 8989
      3256 8987 3259 8983 3259 8979 3258 8979
      3263 8973 3258 8973 3258 8960
TIME...MOT...LOC 2348Z 251DEG 28KT 3246 8997 

HAIL...1.25IN
WIND...60MPH
 
$$

CME
3 follow-up statements
108 
WWUS54 KJAN 160001
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
701 PM CDT Mon Mar 15 2021

MSC121-123-160045-
/O.CON.KJAN.SV.W.0009.000000T0000Z-210316T0045Z/
Rankin MS-Scott MS-
701 PM CDT Mon Mar 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHEASTERN RANKIN AND NORTHWESTERN SCOTT COUNTIES...

At 700 PM CDT, a severe thunderstorm was located over Pisgah, or 12
miles southeast of Canton, moving east 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 storm will be near...
  Ludlow and Forkville around 720 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3247 8960 3242 8993 3253 8990 3254 8989
      3256 8989 3256 8987 3259 8983 3259 8979
      3258 8979 3263 8973 3258 8973 3258 8960
TIME...MOT...LOC 0000Z 251DEG 28KT 3249 8986 

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

CME
552 
WWUS54 KJAN 160018
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
718 PM CDT Mon Mar 15 2021

MSC121-160028-
/O.CAN.KJAN.SV.W.0009.000000T0000Z-210316T0045Z/
Rankin MS-
718 PM CDT Mon Mar 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN RANKIN COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3247 8960 3245 8975 3255 8977 3258 8973
      3258 8960
TIME...MOT...LOC 0018Z 253DEG 27KT 3253 8970 

$$

MSC123-160045-
/O.CON.KJAN.SV.W.0009.000000T0000Z-210316T0045Z/
Scott MS-
718 PM CDT Mon Mar 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHWESTERN SCOTT COUNTY...

At 718 PM CDT, a severe thunderstorm was located near Ludlow, or 12
miles north of Morton, moving east at 30 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

This severe thunderstorm will remain over mainly rural areas of
northwestern Scott County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3247 8960 3245 8975 3255 8977 3258 8973
      3258 8960
TIME...MOT...LOC 0018Z 253DEG 27KT 3253 8970 

HAIL...1.50IN
WIND...60MPH
 
$$

CME
347 
WWUS54 KJAN 160041
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
741 PM CDT Mon Mar 15 2021

MSC123-160051-
/O.EXP.KJAN.SV.W.0009.000000T0000Z-210316T0045Z/
Scott MS-
741 PM CDT Mon Mar 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SCOTT COUNTY WILL
EXPIRE AT 745 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 3247 8960 3245 8975 3255 8977 3258 8973
      3258 8960
TIME...MOT...LOC 0041Z 251DEG 28KT 3258 8951 

$$

CME

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 15, 6:02 AM CDTSpecial Weather StatementJANYazoo43 min
Mar 15, 8:28 AM CDTSpecial Weather StatementJANRankin62 min
Mar 15, 6:41 PM CDTSpecial Weather StatementJANMadison34 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.