Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 10, NWS Jackson, MS

March 15, 2021Leake County, Scott County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 15, 2021, 7:23 PM CDT for Leake County, Scott County, Mississippi. It was in force for 38 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, 7:23 PM CDT (00:23 UTC)
Expired
Mar 15, 2021, 8:01 PM CDT
In force
38 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties Leake County, MS, Scott County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 53 km from the middle of the area, began a volume at 00:23 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, 7:31 PM CDTHAIL 1.53 W Midway, MSTRAINED SPOTTER REPORTED PING PONG BALL SIZE HAIL IN NORTHWEST SCOTT COUNTY.

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 00:00Z, 0.4 hours before the alert went out and 59 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 00:00Z on 2021-03-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1251 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 00:00Z on 2021-03-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 square meters per square second.19395878Sfc1 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
1251 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1073 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
235 m²/s²
Significant tornado parameter
1.4
Supercell composite
6.2

Open this sounding in Storm Lab

The text

As transmitted.

303 
WUUS54 KJAN 160023
SVRJAN
MSC079-123-160115-
/O.NEW.KJAN.SV.W.0010.210316T0023Z-210316T0115Z/

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

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Southeastern Leake County in central Mississippi...
  Northeastern Scott County in central Mississippi...

* Until 815 PM CDT.

* At 723 PM CDT, a severe thunderstorm was located near Ludlow, or 9
  miles west of Harperville, 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 be near...
  Harperville and Tuscola around 740 PM CDT.
  Madden around 800 PM CDT.

Other locations impacted by this severe thunderstorm include Lena,
Walnut Grove, Sebastopol and Standing Pine.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3247 8960 3257 8960 3258 8969 3264 8959
      3275 8932 3251 8932
TIME...MOT...LOC 0023Z 252DEG 27KT 3255 8965 

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

CME
3 follow-up statements
580 
WWUS54 KJAN 160042
SVSJAN

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

MSC079-123-160115-
/O.CON.KJAN.SV.W.0010.000000T0000Z-210316T0115Z/
Leake MS-Scott MS-
742 PM CDT Mon Mar 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR SOUTHEASTERN LEAKE AND NORTHEASTERN SCOTT COUNTIES...

At 742 PM CDT, a severe thunderstorm was located near Harperville,
moving east at 30 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

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

This severe storm will be near...
  Madden around 800 PM CDT.

Other locations impacted by this severe thunderstorm include Standing
Pine, Walnut Grove and Sebastopol.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3247 8960 3257 8960 3264 8952 3275 8932
      3251 8932
TIME...MOT...LOC 0042Z 259DEG 28KT 3256 8947 

HAIL...0.75IN
WIND...60MPH
 
$$

CME
201 
WWUS54 KJAN 160047
SVSJAN

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

MSC079-123-160115-
/O.CON.KJAN.SV.W.0010.000000T0000Z-210316T0115Z/
Leake MS-Scott MS-
747 PM CDT Mon Mar 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR SOUTHEASTERN LEAKE AND NORTHEASTERN SCOTT COUNTIES...

At 747 PM CDT, a severe thunderstorm was located near Steele, or near
Harperville, moving east at 30 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

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

This severe storm will be near...
  Madden around 800 PM CDT.

Other locations impacted by this severe thunderstorm include Walnut
Grove and Sebastopol.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3249 8949 3258 8953 3264 8949 3271 8932
      3251 8932
TIME...MOT...LOC 0047Z 254DEG 25KT 3256 8944 

HAIL...0.75IN
WIND...60MPH
 
$$

CME
726 
WWUS54 KJAN 160101
SVSJAN

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

MSC079-123-160110-
/O.CAN.KJAN.SV.W.0010.000000T0000Z-210316T0115Z/
Leake MS-Scott MS-
801 PM CDT Mon Mar 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LEAKE AND
NORTHEASTERN SCOTT COUNTIES IS CANCELLED...
                
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 has been cancelled.

LAT...LON 3249 8949 3258 8953 3264 8949 3271 8932
      3251 8932
TIME...MOT...LOC 0100Z 252DEG 27KT 3259 8932 

$$

CME

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 15, 11:39 PM CDTSpecial Weather StatementJANCarroll, Leflore36 min
Mar 15, 11:53 PM CDTSevere Thunderstorm WarningJANGrenada, Montgomery, Webster36 min
Mar 16, 2:54 AM CDTFlash Flood WarningJANClarke6 hr
Mar 16, 6:52 AM CDTSpecial Weather StatementJANJasper38 min
Mar 16, 10:18 AM CDTFlash Flood WarningJANClarke, Jasper3 hr
Mar 16, 11:08 AM CDTFlash Flood WarningJANCovington, Jones, Smith3 hr
Mar 16, 11:49 AM CDTFlash Flood WatchJANClarke, Covington, Jasper, Jefferson Davis, Jones, Lauderdale and 4 more7 hr
Mar 16, 2:40 PM CDTRiver Flood WarningJANJones5 days
Mar 16, 4:50 PM CDTSevere Thunderstorm WarningJANIssaquena40 min
Mar 16, 4:57 PM CDTSpecial Weather StatementJANRankin33 min
Mar 16, 4:58 PM CDTSpecial Weather StatementJANWinston32 min
Mar 16, 5:17 PM CDTSevere Thunderstorm WarningJANWashington43 min
Mar 16, 5:29 PM CDTSpecial Weather StatementJANRankin31 min
Mar 16, 6:34 PM CDTSpecial Weather StatementJANCopiah26 min
Mar 16, 6:45 PM CDTSevere Thunderstorm WarningJANCopiah60 min
Mar 16, 6:59 PM CDTSpecial Weather StatementJANAttala46 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.