Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 15, NWS New Orleans, LA

March 23, 2021Hancock County, Harrison County, Pearl River County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Mar 23, 2021, 12:11 PM CDT for Hancock County, Harrison County, Pearl River County, Mississippi. It was in force for 38 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 23, 2021, 12:11 PM CDT (17:11 UTC)
Expired
Mar 23, 2021, 12:49 PM CDT
In force
38 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Hancock County, MS, Harrison County, MS, Pearl River County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 5.2 hours before the alert went out and 34 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 12:00Z on 2021-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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, Slidell Radar S, LA at 12:00Z on 2021-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
13 J/kg
Mixed-layer CIN
-246 J/kg
Mixed-layer LCL
759 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

595 
WUUS54 KLIX 231711
SVRLIX
MSC045-047-109-231800-
/O.NEW.KLIX.SV.W.0015.210323T1711Z-210323T1800Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New Orleans LA
1211 PM CDT Tue Mar 23 2021

The National Weather Service in New Orleans has issued a

* Severe Thunderstorm Warning for...
  West central Harrison County in southeastern Mississippi...
  Northern Hancock County in southern Mississippi...
  South central Pearl River County in southern Mississippi...

* Until 100 PM CDT.

* At 1211 PM CDT, a severe thunderstorm was located near Picayune,
  moving east at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Picayune, Diamondhead and Kiln. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3036 8929 3036 8931 3038 8932 3037 8934
      3045 8969 3048 8971 3063 8965 3056 8924
TIME...MOT...LOC 1711Z 287DEG 35KT 3052 8960 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$
MSW
2 follow-up statements
679 
WWUS54 KLIX 231732
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
1232 PM CDT Tue Mar 23 2021

MSC109-231742-
/O.CAN.KLIX.SV.W.0015.000000T0000Z-210323T1800Z/
Pearl River MS-
1232 PM CDT Tue Mar 23 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL PEARL RIVER
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 3036 8929 3036 8931 3038 8932 3037 8934
      3038 8939 3043 8958 3051 8956 3052 8954
      3054 8954 3059 8951 3058 8935 3056 8924
TIME...MOT...LOC 1732Z 280DEG 35KT 3046 8938 

$$

MSC045-047-231800-
/O.CON.KLIX.SV.W.0015.000000T0000Z-210323T1800Z/
Harrison MS-Hancock MS-
1232 PM CDT Tue Mar 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 PM CDT
FOR WEST CENTRAL HARRISON AND NORTHEASTERN HANCOCK COUNTIES...

At 1232 PM CDT, a severe thunderstorm was located near Kiln, or near
Diamondhead, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Diamondhead and Kiln. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3036 8929 3036 8931 3038 8932 3037 8934
      3038 8939 3043 8958 3051 8956 3052 8954
      3054 8954 3059 8951 3058 8935 3056 8924
TIME...MOT...LOC 1732Z 280DEG 35KT 3046 8938 

HAIL...<.75IN
WIND...60MPH
 
$$

Klein
936 
WWUS54 KLIX 231749
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
1249 PM CDT Tue Mar 23 2021

MSC045-047-231759-
/O.CAN.KLIX.SV.W.0015.000000T0000Z-210323T1800Z/
Harrison MS-Hancock MS-
1249 PM CDT Tue Mar 23 2021

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL HARRISON AND
NORTHEASTERN HANCOCK COUNTIES IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

LAT...LON 3036 8929 3036 8931 3038 8932 3037 8934
      3038 8939 3043 8958 3051 8956 3052 8954
      3054 8954 3059 8951 3058 8935 3056 8924
TIME...MOT...LOC 1748Z 287DEG 35KT 3041 8919 

$$

MSW

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 6:40 AM CDTSevere Thunderstorm WarningLIXWilkinson35 min
Mar 23, 7:47 AM CDTSevere Thunderstorm WarningLIXAmite, Wilkinson43 min
Mar 23, 8:30 AM CDTSpecial Weather StatementLIXAmite30 min
Mar 23, 9:57 AM CDTSpecial Weather StatementLIXPike33 min
Mar 23, 10:13 AM CDTRiver Flood WarningLIXHarrison70 hr
Mar 23, 10:13 AM CDTRiver Flood WarningLIXHarrison4 days
Mar 23, 10:31 AM CDTSpecial Weather StatementLIXWalthall29 min
Mar 23, 10:41 AM CDTRiver Flood WarningLIXHancock, Pearl River65 days
Mar 23, 10:41 AM CDTRiver Flood WarningLIXPearl River4 days
Mar 23, 10:41 AM CDTRiver Flood WarningLIXPike, Walthall62 hr
Mar 23, 11:39 AM CDTRiver Flood WarningLIXJackson21 days
Mar 23, 11:39 AM CDTSevere Thunderstorm WarningLIXHancock, Pearl River51 min
Mar 23, 11:49 AM CDTSevere Thunderstorm WarningLIXHancock41 min
Mar 23, 12:20 PM CDTSpecial Weather StatementLIXHancock25 min
Mar 23, 12:41 PM CDTSpecial Weather StatementLIXHarrison34 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.