Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 14, NWS Jackson, MS

March 16, 2021East Carroll Parish, Louisiana; Issaquena County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 16, 2021, 4:50 PM CDT for East Carroll Parish, Louisiana; Issaquena County, Mississippi. It was in force for 40 min. 2 reports 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 16, 2021, 4:50 PM CDT (21:50 UTC)
Expired
Mar 16, 2021, 5:30 PM CDT
In force
40 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties East Carroll Parish, LA, Issaquena County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 138 km from the middle of the area, began a volume at 21:53 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 16, 5:06 PM CDTTSTM WND DMGLake Providence, LAPOWER LINES WERE BLOWN DOWN IN LAKE PROVIDENCE.
Mar 16, 5:06 PM CDTHAIL 15 E Oak Grove, LAQUARTER SIZE HAIL FELL ALONG HIGHWAY 2. A MOTORIST REPORTED SOME DENTS FROM THE HAIL ON THEIR CAR.

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, 9.8 hours before the alert went out and 128 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 2021-03-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 812 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 2021-03-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
812 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
660 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

797 
WUUS54 KJAN 162150
SVRJAN
LAC035-MSC055-162230-
/O.NEW.KJAN.SV.W.0014.210316T2150Z-210316T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
450 PM CDT Tue Mar 16 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Northeastern East Carroll Parish in northeastern Louisiana...
  Northwestern Issaquena County in west central Mississippi...

* Until 530 PM CDT.

* At 450 PM CDT, a severe thunderstorm was located 8 miles southwest
  of Lake Providence, moving northeast at 35 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 thunderstorm will be near...
  Lake Providence around 505 PM CDT.
  Shelburn around 510 PM CDT.
  Millikin and Gassoway around 520 PM CDT.

Other locations impacted by this severe thunderstorm include
Mayersville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3286 9134 3287 9132 3288 9131 3292 9131
      3293 9130 3294 9131 3296 9128 3300 9126
      3300 9117 3301 9116 3301 9093 3275 9116
      3280 9134 3282 9134 3282 9135
TIME...MOT...LOC 2150Z 211DEG 29KT 3275 9132 

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

TW
3 follow-up statements
352 
WWUS54 KJAN 162200 RRA
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
500 PM CDT Tue Mar 16 2021

LAC035-MSC055-162230-
/O.CON.KJAN.SV.W.0014.000000T0000Z-210316T2230Z/
East Carroll LA-Issaquena MS-
500 PM CDT Tue Mar 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR NORTHEASTERN EAST CARROLL PARISH IN NORTHEASTERN LOUISIANA AND
NORTHWESTERN ISSAQUENA COUNTIES...

At 500 PM CDT, a severe thunderstorm was located near Shelburn, or
near Lake Providence, moving northeast at 40 mph.

HAZARD...Golf 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 storm will be near...
  Shelburn around 505 PM CDT.
  Millikin and Gassoway around 515 PM CDT.

Other locations impacted by this severe thunderstorm include
Mayersville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3286 9134 3287 9132 3288 9131 3292 9131
      3293 9130 3294 9131 3296 9128 3300 9126
      3300 9117 3301 9116 3301 9093 3275 9116
      3280 9134 3282 9134 3282 9135
TIME...MOT...LOC 2200Z 207DEG 33KT 3284 9127 

HAIL...1.75IN
WIND...60MPH
 
$$

TW
314 
WWUS54 KJAN 162213
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
513 PM CDT Tue Mar 16 2021

LAC035-MSC055-162230-
/O.CON.KJAN.SV.W.0014.000000T0000Z-210316T2230Z/
East Carroll LA-Issaquena MS-
513 PM CDT Tue Mar 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR NORTHEASTERN EAST CARROLL PARISH IN NORTHEASTERN LOUISIANA AND
NORTHWESTERN ISSAQUENA COUNTIES...

At 513 PM CDT, a severe thunderstorm was located over Millikin, or 8
miles north of Lake Providence, moving northeast at 35 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 thunderstorm will remain over mainly rural areas of
northeastern East Carroll Parish in northeastern Louisiana and
northwestern Issaquena Counties, including the following locations...
Mayersville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3287 9132 3288 9131 3292 9131 3293 9130
      3294 9131 3296 9128 3300 9126 3300 9117
      3301 9116 3301 9093 3281 9111
TIME...MOT...LOC 2213Z 211DEG 29KT 3293 9120 

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

TW
469 
WWUS54 KJAN 162228
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
528 PM CDT Tue Mar 16 2021

LAC035-MSC055-162238-
/O.EXP.KJAN.SV.W.0014.000000T0000Z-210316T2230Z/
East Carroll LA-Issaquena MS-
528 PM CDT Tue Mar 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN EAST CARROLL
PARISH IN NORTHEASTERN LOUISIANA AND NORTHWESTERN ISSAQUENA COUNTIES
WILL EXPIRE AT 530 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 3287 9132 3288 9131 3292 9131 3293 9130
      3294 9131 3296 9128 3300 9126 3300 9117
      3301 9116 3301 9093 3281 9111
TIME...MOT...LOC 2228Z 211DEG 29KT 3302 9113 

$$

TW

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 16, 2:22 PM CDTSpecial Weather StatementJANCatahoula53 min
Mar 16, 3:13 PM CDTSpecial Weather StatementJANFranklin47 min
Mar 16, 3:27 PM CDTSevere Thunderstorm WarningJANFranklin, Madison48 min
Mar 16, 3:57 PM CDTSpecial Weather StatementJANWest Carroll48 min
Mar 16, 4:16 PM CDTSevere Thunderstorm WarningJANEast Carroll, Madison, Richland, West Carroll59 min
Mar 15, 7:23 PM CDTSevere Thunderstorm WarningJANLeake, Scott38 min
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, 4:57 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 Louisiana, 2021Severe 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.