Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 12, NWS New Orleans, LA

April 8, 2021Hancock County, Mississippi

NWS New Orleans, LA issued this tornado warning at Apr 8, 2021, 3:24 AM CDT for Hancock County, Mississippi. It was in force for 36 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
Apr 8, 2021, 3:24 AM CDT (08:24 UTC)
Expired
Apr 8, 2021, 4:00 AM CDT
In force
36 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Hancock County, MS

What was reported inside it

TimeReportWhereRemark
Apr 8, 3:27 AM CDTTORNADO8 N Pearlington, MSAN EF0 TORNADO WITH MAX WINDS OF 75 MPH, A PATH WIDTH OF 50 YARDS AND PATH LENGTH OF 0.7 MILES, TOUCHED DOWN BRIEFLY AND MOVED NORTHEAST KNOCKING DOWN TREES AND DAMAGED A GUARD GATE.
Apr 8, 3:27 AM CDTTORNADO8 N Pearlington, MSAN EF0 TOUCHED DOWN BRIEFLY AND MOVED NORTHEAST KNOCKING DOWN TREES AND DAMAGED A GUARD GATE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 8.4 hours before the alert went out and 25 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, Slidell Radar S, LA at 00:00Z on 2021-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1186 joules per kilogram.LCLEL10008507005003002001001 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, Slidell Radar S, LA at 00:00Z on 2021-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 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
1186 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
722 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
0.9
Supercell composite
5.8

Open this sounding in Storm Lab

The text

As transmitted.

735 
WFUS54 KLIX 080824
TORLIX
MSC045-080900-
/O.NEW.KLIX.TO.W.0012.210408T0824Z-210408T0900Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
324 AM CDT Thu Apr 8 2021

The National Weather Service in New Orleans has issued a

* Tornado Warning for...
  Hancock County in southern Mississippi...

* Until 400 AM CDT.
    
* At 324 AM CDT, a severe thunderstorm capable of producing a tornado
  was located over Stennis Space Center, or 11 miles east of Slidell,
  moving northeast at 30 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Shoreline Park around 345 AM CDT.
  Bay St. Louis and Kiln around 350 AM CDT.
  Diamondhead around 355 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

&&

LAT...LON 3029 8934 3024 8961 3031 8964 3034 8963
      3036 8966 3044 8969 3055 8934 3038 8934
      3034 8938 3034 8934 3032 8932
TIME...MOT...LOC 0824Z 244DEG 27KT 3035 8961 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$
2 follow-up statements
841 
WWUS54 KLIX 080838
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
338 AM CDT Thu Apr 8 2021

MSC045-080900-
/O.CON.KLIX.TO.W.0012.000000T0000Z-210408T0900Z/
Hancock MS-
338 AM CDT Thu Apr 8 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 AM CDT FOR
SOUTHEASTERN HANCOCK COUNTY...
    
At 337 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Shoreline Park, or near Waveland, moving northeast
at 30 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Waveland, Shoreline Park and Kiln around 350 AM CDT.
  Bay St. Louis around 355 AM CDT.
  Diamondhead around 400 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

&&

LAT...LON 3026 8952 3030 8953 3035 8955 3039 8957
      3047 8960 3055 8934 3038 8934 3034 8938
      3034 8934 3032 8932 3029 8934
TIME...MOT...LOC 0837Z 243DEG 26KT 3031 8947 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$
123 
WWUS54 KLIX 080852
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
352 AM CDT Thu Apr 8 2021

MSC045-080902-
/O.EXP.KLIX.TO.W.0012.000000T0000Z-210408T0900Z/
Hancock MS-
352 AM CDT Thu Apr 8 2021

...THE TORNADO WARNING FOR SOUTHEASTERN HANCOCK COUNTY WILL EXPIRE AT
400 AM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

LAT...LON 3026 8952 3030 8953 3035 8955 3039 8957
      3047 8960 3055 8934 3038 8934 3034 8938
      3034 8934 3032 8932 3029 8934
TIME...MOT...LOC 0852Z 244DEG 27KT 3035 8937 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 9:42 PM CDTSevere Thunderstorm WarningLIXWilkinson78 min
Apr 7, 10:22 PM CDTTornado WarningLIXWilkinson53 min
Apr 7, 10:50 PM CDTSevere Thunderstorm WarningLIXAmite, Wilkinson70 min
Apr 7, 11:12 PM CDTTornado WarningLIXWilkinson28 min
Apr 8, 12:39 AM CDTSevere Thunderstorm WarningLIXAmite, Pike, Walthall66 min
Apr 8, 1:12 AM CDTTornado WarningLIXPike33 min
Apr 8, 2:04 AM CDTSpecial Weather StatementLIXPearl River56 min
Apr 8, 2:56 AM CDTTornado WarningLIXPearl River34 min
Apr 8, 3:13 AM CDTSpecial Weather StatementLIXHancock, Harrison62 min

Nearby

Tornado Warnings in Mississippi, 2021Every tornado warning in 2021Tornadoes 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.