Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 20, NWS New Orleans, LA

March 24, 2021Pike County, Walthall County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Mar 24, 2021, 10:19 PM CDT for Pike County, Walthall County, Mississippi. It was in force for 26 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
Mar 24, 2021, 10:19 PM CDT (03:19 UTC)
Expired
Mar 24, 2021, 10:45 PM CDT
In force
26 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Pike County, MS, Walthall County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 3.3 hours before the alert went out and 117 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 2021-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 42 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 2021-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 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
42 J/kg
Mixed-layer CIN
-153 J/kg
Mixed-layer LCL
1233 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

129 
WUUS54 KLIX 250319
SVRLIX
MSC113-147-250345-
/O.NEW.KLIX.SV.W.0020.210325T0319Z-210325T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New Orleans LA
1019 PM CDT Wed Mar 24 2021

The National Weather Service in New Orleans has issued a

* Severe Thunderstorm Warning for...
  Northwestern Walthall County in southern Mississippi...
  Northern Pike County in southern Mississippi...

* Until 1045 PM CDT.

* At 1019 PM CDT, a severe thunderstorm was located over Magnolia, or
  7 miles southeast of Mccomb, moving northeast at 45 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Magnolia and Mccomb Airport. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3135 9009 3133 9008 3133 9005 3109 9041
      3115 9049 3135 9035
TIME...MOT...LOC 0319Z 220DEG 38KT 3115 9041 

HAIL...1.00IN
WIND...<50MPH
 
$$

MEFFER
1 follow-up statement
921 
WWUS54 KLIX 250341
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
1041 PM CDT Wed Mar 24 2021

MSC113-147-250351-
/O.EXP.KLIX.SV.W.0020.000000T0000Z-210325T0345Z/
Walthall MS-Pike MS-
1041 PM CDT Wed Mar 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WALTHALL AND
NORTHERN PIKE COUNTIES WILL EXPIRE AT 1045 PM CDT...
                
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 will be allowed to expire.  However heavy rain
is still possible with this thunderstorm.

LAT...LON 3135 9009 3133 9008 3133 9005 3109 9041
      3115 9049 3135 9035
TIME...MOT...LOC 0341Z 220DEG 38KT 3133 9024 

$$

MEFFER

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 24, 7:50 PM CDTSpecial Weather StatementLIXHancock40 min
Mar 24, 8:29 PM CDTSpecial Weather StatementLIXWilkinson46 min
Mar 24, 8:31 PM CDTSpecial Weather StatementLIXPearl River29 min
Mar 24, 9:02 PM CDTSevere Thunderstorm WarningLIXAmite, Wilkinson28 min
Mar 24, 9:29 PM CDTSevere Thunderstorm WarningLIXAmite, Wilkinson16 min
Mar 24, 9:52 PM CDTSpecial Weather StatementLIXAmite38 min
Mar 25, 2:26 PM CDTRiver Flood WarningLIXPike, Walthall40 hr
Mar 25, 3:09 PM CDTSpecial Weather StatementLIXWalthall36 min
Mar 25, 3:12 PM CDTSevere Thunderstorm WarningLIXPike, Walthall10 min
Mar 25, 3:33 PM CDTSevere Thunderstorm WarningLIXAmite, Pike, Walthall27 min
Mar 25, 3:48 PM CDTSpecial Weather StatementLIXPike, Walthall27 min
Mar 25, 4:11 PM CDTSpecial Weather StatementLIXWalthall34 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.