Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 52, NWS New Orleans, LA

August 29, 2021Hancock County, Harrison County, Mississippi

NWS New Orleans, LA issued this tornado warning at Aug 29, 2021, 11:45 PM CDT for Hancock County, Harrison County, Mississippi. It was in force for 31 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
Aug 29, 2021, 11:45 PM CDT (04:45 UTC)
Expired
Aug 30, 2021, 12:16 AM CDT
In force
31 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Hancock County, MS, Harrison County, MS

The radar

The Mobile radar (KMOB), 104 km from the middle of the area, began a volume at 04:45 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 29, 6:49 PM CDTTornado WatchSPC11 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 4.8 hours before the alert went out and 45 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 2021-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 2021-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
25 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
679 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

529 
WFUS54 KLIX 300445
TORLIX
MSC045-047-300530-
/O.NEW.KLIX.TO.W.0052.210830T0445Z-210830T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
1145 PM CDT Sun Aug 29 2021

The National Weather Service in New Orleans has issued a

* Tornado Warning for...
  Western Harrison County in southern Mississippi...
  Northeastern Hancock County in southern Mississippi...

* Until 1230 AM CDT.
    
* At 1145 PM CDT, a severe thunderstorm capable of producing a
  tornado was located near Long Beach, moving north at 45 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...
  Diamondhead around 1155 PM CDT.
  Lyman around 1205 AM CDT.

This includes Interstate 10 in Mississippi between mile markers 17
and 32.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3031 8924 3032 8930 3030 8933 3034 8935
      3033 8930 3035 8928 3036 8928 3038 8932
      3037 8936 3064 8946 3065 8925 3068 8924
      3068 8916 3036 8912
TIME...MOT...LOC 0445Z 171DEG 38KT 3031 8923 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$
3 follow-up statements
242 
WWUS54 KLIX 300447
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
1147 PM CDT Sun Aug 29 2021

MSC045-047-300530-
/O.CON.KLIX.TO.W.0052.000000T0000Z-210830T0530Z/
Harrison MS-Hancock MS-
1147 PM CDT Sun Aug 29 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR WESTERN
HARRISON AND NORTHEASTERN HANCOCK COUNTIES...
    
At 1146 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles northeast of Diamondhead, moving north at 55 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 tornadic thunderstorm will remain over mainly rural areas of
western Harrison and northeastern Hancock Counties.

This includes Interstate 10 in Mississippi between mile markers 17
and 32.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3032 8930 3030 8933 3034 8935 3033 8930
      3035 8928 3036 8928 3038 8932 3037 8936
      3064 8946 3065 8925 3068 8924 3068 8916
      3036 8912 3031 8924
TIME...MOT...LOC 0446Z 169DEG 50KT 3045 8927 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$
916 
WWUS54 KLIX 300450
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
1150 PM CDT Sun Aug 29 2021

MSC045-047-300530-
/O.CON.KLIX.TO.W.0052.000000T0000Z-210830T0530Z/
Harrison MS-Hancock MS-
1150 PM CDT Sun Aug 29 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR WESTERN
HARRISON AND NORTHEASTERN HANCOCK COUNTIES...
    
At 1150 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles west of Lyman, or 9 miles northeast of
Diamondhead, moving north at 65 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 tornadic thunderstorm will remain over mainly rural areas of
western Harrison and northeastern Hancock Counties.

This includes Interstate 10 in Mississippi between mile markers 17
and 32.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3032 8930 3030 8933 3034 8935 3033 8930
      3035 8928 3036 8928 3038 8932 3037 8936
      3064 8946 3065 8925 3068 8924 3068 8916
      3036 8912 3031 8924
TIME...MOT...LOC 0450Z 169DEG 55KT 3051 8929 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$
319 
WWUS54 KLIX 300516
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
1216 AM CDT Mon Aug 30 2021

MSC045-047-300525-
/O.CAN.KLIX.TO.W.0052.000000T0000Z-210830T0530Z/
Harrison MS-Hancock MS-
1216 AM CDT Mon Aug 30 2021

...THE TORNADO WARNING FOR WESTERN 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.

A Tornado Watch remains in effect until 600 AM CDT for southern
Mississippi.

LAT...LON 3032 8930 3030 8933 3034 8935 3033 8930
      3035 8928 3036 8928 3038 8932 3037 8936
      3064 8946 3065 8925 3068 8924 3068 8916
      3036 8912 3031 8924
TIME...MOT...LOC 0515Z 171DEG 38KT 3080 8935 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 8:22 PM CDTTornado WarningLIXHancock, Pearl River38 min
Aug 29, 9:04 PM CDTTornado WarningLIXHancock, Harrison, Pearl River26 min
Aug 29, 9:05 PM CDTRiver Flood WarningLIXHancock, Pearl River12 days
Aug 29, 9:05 PM CDTRiver Flood WarningLIXPike, Walthall38 hr
Aug 29, 9:05 PM CDTRiver Flood WarningLIXHancock, Pearl River11 days
Aug 29, 9:06 PM CDTRiver Flood WarningLIXJackson9 days
Aug 29, 9:32 PM CDTTornado WarningLIXHancock, Pearl River13 min
Aug 29, 9:36 PM CDTTornado WarningLIXHancock, Harrison, Pearl River24 min
Aug 29, 10:01 PM CDTTornado WarningLIXHancock, Harrison, Pearl River14 min
Aug 29, 10:34 PM CDTTornado WarningLIXHancock, Harrison, Pearl River41 min
Aug 30, 12:41 AM CDTTornado WarningLIXHarrison, Jackson49 min
Aug 30, 2:39 AM CDTFlash Flood Warning Considerable damage threatLIXHancock, Harrison, Jackson, Pearl River9 hr
Aug 30, 2:47 AM CDTTornado WarningLIXHarrison, Jackson47 min
Aug 30, 2:55 AM CDTFlash Flood Warning Considerable damage threatLIXAmite, Pike, Walthall5 hr
Aug 30, 2:55 AM CDTTornado WarningLIXJackson65 min
Aug 30, 3:55 AM CDTFlash Flood WarningLIXAmite, Pike, Walthall5 hr
Aug 30, 4:11 AM CDTFlash Flood WarningLIXHarrison, Jackson8 hr
Aug 30, 5:43 AM CDTFlash Flood WarningLIXPearl River5 hr
Aug 30, 7:28 AM CDTTornado WarningLIXJackson22 min
Aug 30, 7:37 AM CDTTornado WarningLIXHarrison23 min
Aug 30, 8:02 AM CDTTornado WarningLIXHarrison, Jackson28 min
Aug 30, 9:30 AM CDTTornado WarningLIXJackson60 min
Aug 30, 10:53 AM CDTAreal Flood WarningLIXHancock, Pearl River35 hr
Aug 30, 11:04 AM CDTAreal Flood WarningLIXPearl River, Pike, Walthall35 hr
Aug 30, 11:17 AM CDTTornado WarningLIXJackson28 min
Aug 30, 11:34 AM CDTAreal Flood WarningLIXHancock, Harrison, Jackson, Pearl River34 hr
Aug 30, 12:33 PM CDTFlash Flood Warning EmergencyConsiderable damage threatLIXHarrison, Jackson3 hr
Aug 30, 2:57 PM CDTHeat AdvisoryLIXPearl River26 hr
Aug 30, 3:51 PM CDTAreal Flood WarningLIXHarrison, Jackson30 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.