Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 59, NWS New Orleans, LA

August 30, 2021Jackson County, Mississippi

NWS New Orleans, LA issued this tornado warning at Aug 30, 2021, 9:30 AM CDT for Jackson County, Mississippi. It was in force for 60 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
Aug 30, 2021, 9:30 AM CDT (14:30 UTC)
Expired
Aug 30, 2021, 10:30 AM CDT
In force
60 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Jackson County, MS

The radar

The Mobile radar (KMOB), 41 km from the middle of the area, began a volume at 14:30 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
Aug 30, 9:37 AM CDTTORNADO1 Ssw Pascagoula, MSA TORNADO, LIKELY ORIGINATING AS A WATERSPOUT CAME ONSHORE ACROSS PORTIONS OF SOUTHWESTERN PASCAGOULA SOUTH OF INGALLS AVENUE. DAMAGE WAS OBSERVED AS LARGE TREE LIMBS DOWN ON PROPERTY ON GENERAL LEE ST. THE WEAK TORNADO CONTINUED NORTHWEST CROSSING US 90 CAUSI
Aug 30, 9:45 AM CDTTORNADO3 E Escatawpa, MSEMERGENCY MANAGER RELAYED PUBLIC REPORT OF POSSIBLE TORNADO DAMAGE AT THE INTERSECTION OF CODA ROAD AND SARACENNIA ROAD. TIME ESTIMATED.

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

The watch it was issued in

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

IssuedProductOfficeLasted
Aug 30, 5:48 AM CDTTornado WatchSPC10 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 2.5 hours before the alert went out and 115 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 2021-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 881 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 12:00Z on 2021-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 386 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
881 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
560 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
386 m²/s²
0-3 km storm-relative helicity
386 m²/s²
Significant tornado parameter
1.1
Supercell composite
9.7

Open this sounding in Storm Lab

The text

As transmitted.

187 
WFUS54 KLIX 301430
TORLIX
MSC059-301530-
/O.NEW.KLIX.TO.W.0059.210830T1430Z-210830T1530Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
930 AM CDT Mon Aug 30 2021

The National Weather Service in New Orleans has issued a

* Tornado Warning for...
  Eastern Jackson County in southern Mississippi...

* Until 1030 AM CDT.
    
* At 929 AM CDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles south of Gautier, or 12 miles southwest of Moss
  Point, moving northeast at 35 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...
  Gautier around 945 AM CDT.
  Moss Point around 955 AM CDT.
  Escatawpa and Helena around 1000 AM CDT.
  Big Point around 1010 AM CDT.

This includes Interstate 10 in Mississippi between mile markers 63
and 76.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or 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 3036 8843 3036 8845 3034 8845 3032 8847
      3032 8850 3034 8851 3034 8857 3037 8859
      3036 8860 3037 8862 3036 8861 3037 8863
      3036 8868 3073 8847 3074 8842 3039 8840
TIME...MOT...LOC 1429Z 211DEG 32KT 3027 8862 

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

$$

KLG
1 follow-up statement
764 
WWUS54 KLIX 301521
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
Issued by National Weather Service Lake Charles LA
1021 AM CDT Mon Aug 30 2021

MSC059-301531-
/O.EXP.KLIX.TO.W.0059.000000T0000Z-210830T1530Z/
Jackson MS-
1021 AM CDT Mon Aug 30 2021

...THE TORNADO WARNING FOR EASTERN JACKSON COUNTY WILL EXPIRE AT 1030
AM CDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

A Tornado Watch remains in effect until 400 PM CDT for southern
Mississippi.

LAT...LON 3036 8843 3036 8845 3034 8845 3032 8847
      3032 8850 3034 8851 3034 8857 3037 8859
      3036 8860 3037 8862 3036 8861 3037 8863
      3036 8868 3073 8847 3074 8842 3039 8840
TIME...MOT...LOC 1521Z 211DEG 32KT 3061 8839 

$$

13

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 29, 11:45 PM CDTTornado WarningLIXHancock, Harrison31 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, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.