Alert archive / Mississippi / Tornado Warnings in 2016

Tornado Warning 66, NWS New Orleans, LA

April 30, 2016Hancock County, Harrison County, Mississippi; Orleans Parish, Saint Tammany Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Apr 30, 2016, 4:29 PM CDT for Hancock County, Harrison County, Mississippi; Orleans Parish, Saint Tammany Parish, Louisiana. It was in force for 19 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
Apr 30, 2016, 4:29 PM CDT (21:29 UTC)
Expired
Apr 30, 2016, 4:48 PM CDT
In force
19 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Orleans Parish, LA, Saint Tammany Parish, LA, Hancock County, MS, Harrison County, MS

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 30, 11:38 AM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.5 hours before the alert went out and 22 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 2016-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1180 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 2016-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 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
1180 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
565 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.9

Open this sounding in Storm Lab

The text

As transmitted.

783 
WFUS54 KLIX 302129
TORLIX
LAC071-103-MSC045-047-302200-
/O.NEW.KLIX.TO.W.0066.160430T2129Z-160430T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
429 PM CDT SAT APR 30 2016

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN ORLEANS PARISH IN SOUTHEASTERN LOUISIANA...
  SOUTHEASTERN ST. TAMMANY PARISH IN SOUTHEASTERN LOUISIANA...
  SOUTHWESTERN HARRISON COUNTY IN SOUTHEASTERN MISSISSIPPI...
  SOUTHERN HANCOCK COUNTY IN SOUTHERN MISSISSIPPI...

* UNTIL 500 PM CDT

* AT 428 PM CDT...SEVERE THUNDERSTORMS CAPABLE OF PRODUCING BOTH
  TORNADOES AND EXTENSIVE STRAIGHT LINE WIND DAMAGE WERE LOCATED NEAR
  PEARLINGTON...OR 7 MILES SOUTHEAST OF SLIDELL...MOVING EAST 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. 

* THESE DANGEROUS STORMS WILL BE NEAR...
  PEARLINGTON AROUND 435 PM CDT. 
  BAY ST. LOUIS...WAVELAND AND SHORELINE PARK AROUND 500 PM CDT. 

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.

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. IF YOU
CANNOT SAFELY DRIVE AWAY FROM THE TORNADO...AS A LAST RESORT...EITHER
PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN
IN A LOW LYING AREA AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3028 8932 3024 8939 3015 8945 3016 8951
      3012 8961 3011 8973 3028 8978 3042 8930
      3028 8926
TIME...MOT...LOC 2128Z 257DEG 32KT 3022 8967 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

24/RR
2 follow-up statements
808 
WWUS54 KLIX 302136
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
436 PM CDT SAT APR 30 2016

LAC071-103-MSC047-302145-
/O.CAN.KLIX.TO.W.0066.000000T0000Z-160430T2200Z/
ORLEANS LA-ST. TAMMANY LA-HARRISON MS-
436 PM CDT SAT APR 30 2016

...THE TORNADO WARNING FOR NORTHEASTERN ORLEANS...SOUTHEASTERN ST.
TAMMANY PARISHES IN SOUTHEASTERN LOUISIANA AND SOUTHWESTERN HARRISON
COUNTIES IS CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM CDT FOR
SOUTHEASTERN LOUISIANA...AND SOUTHEASTERN MISSISSIPPI.

LAT...LON 3032 8939 3028 8944 3025 8962 3026 8962
      3026 8963 3028 8963 3029 8965 3032 8962
      3041 8934
TIME...MOT...LOC 2135Z 246DEG 33KT 3027 8960 

$$

MSC045-302200-
/O.CON.KLIX.TO.W.0066.000000T0000Z-160430T2200Z/
HANCOCK MS-
436 PM CDT SAT APR 30 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR SOUTHERN
HANCOCK COUNTY...

AT 435 PM CDT...A SEVERE SQUALL LINE CAPABLE OF PRODUCING BOTH
TORNADOES AND EXTENSIVE STRAIGHT LINE WIND DAMAGE WAS LOCATED OVER
PEARLINGTON...OR 10 MILES EAST OF SLIDELL...MOVING NORTHEAST AT 40 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. 

THESE DANGEROUS STORMS WILL BE NEAR...
  SHORELINE PARK AROUND 455 PM CDT. 
  DIAMONDHEAD AROUND 500 PM CDT. 

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.

THIS CLUSTER OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A BUILDING.

&&

LAT...LON 3032 8939 3028 8944 3025 8962 3026 8962
      3026 8963 3028 8963 3029 8965 3032 8962
      3041 8934
TIME...MOT...LOC 2135Z 246DEG 33KT 3027 8960 

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

$$

24/RR
818 
WWUS54 KLIX 302148
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
448 PM CDT SAT APR 30 2016

MSC045-302158-
/O.CAN.KLIX.TO.W.0066.000000T0000Z-160430T2200Z/
HANCOCK MS-
448 PM CDT SAT APR 30 2016

...THE TORNADO WARNING FOR SOUTHERN HANCOCK COUNTY IS CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM CDT FOR
SOUTHEASTERN MISSISSIPPI.

LAT...LON 3032 8939 3028 8944 3025 8962 3026 8962
      3026 8963 3028 8963 3029 8965 3032 8962
      3041 8934
TIME...MOT...LOC 2145Z 257DEG 32KT 3030 8947 

$$

24/RR

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 4:24 AM CDTFlash Flood WatchLIXAmite, Pike, Walthall, Wilkinson58 hr
Apr 30, 9:38 AM CDTRiver Flood WarningLIXPearl River57 hr
Apr 30, 9:38 AM CDTRiver Flood WarningLIXPearl River57 hr
Apr 30, 10:02 AM CDTCoastal Flood AdvisoryLIX8 hr
Apr 30, 11:56 AM CDTTornado WarningLIXWilkinson15 min
Apr 30, 12:16 PM CDTSevere Thunderstorm WarningLIXWilkinson44 min
Apr 30, 12:21 PM CDTTornado WarningLIXAmite, Wilkinson24 min
Apr 30, 12:55 PM CDTSevere Thunderstorm WarningLIXAmite, Wilkinson50 min
Apr 30, 1:09 PM CDTTornado WarningLIXAmite36 min
Apr 30, 1:11 PM CDTTornado WarningLIXPike34 min
Apr 30, 1:13 PM CDTSevere Thunderstorm WarningLIXAmite, Pike, Wilkinson32 min
Apr 30, 1:23 PM CDTTornado WarningLIXPike24 min
Apr 30, 1:24 PM CDTTornado WarningLIXPike36 min
Apr 30, 1:42 PM CDTSevere Thunderstorm WarningLIXAmite, Pike, Walthall33 min
Apr 30, 1:57 PM CDTTornado WarningLIXPike, Walthall33 min
Apr 30, 2:14 PM CDTSevere Thunderstorm WarningLIXPike, Walthall61 min
Apr 30, 3:13 PM CDTSevere Thunderstorm WarningLIXHancock, Pearl River, Walthall69 min
Apr 30, 4:50 PM CDTSpecial Weather StatementLIXHancock25 min
Apr 30, 5:24 PM CDTSpecial Weather StatementLIXHarrison66 min
Apr 30, 6:05 PM CDTSpecial Weather StatementLIXJackson25 min
Apr 30, 6:32 PM CDTSpecial Weather StatementLIXJackson28 min
Apr 30, 11:38 AM CDTTornado WarningLIXPointe Coupee37 min
Apr 30, 12:37 PM CDTSpecial Weather StatementLIXIberville53 min
Apr 30, 1:38 PM CDTSpecial Weather StatementLIXAssumption52 min
Apr 30, 1:45 PM CDTTornado WarningLIXEast Baton Rouge, Livingston30 min
Apr 30, 2:14 PM CDTSpecial Weather StatementLIXSaint Charles, Saint James, Saint John the Baptist61 min
Apr 30, 2:18 PM CDTSpecial Marine WarningLIX117 min
Apr 30, 2:40 PM CDTTornado WarningLIXTangipahoa17 min
Apr 30, 3:00 PM CDTSpecial Weather StatementLIXJefferson, Lafourche, Orleans, Saint Charles60 min
Apr 30, 3:07 PM CDTSevere Thunderstorm WarningLIXLafourche, Saint Charles23 min
Apr 30, 3:16 PM CDTSevere Thunderstorm WarningLIXJefferson, Orleans, Plaquemines, Saint Bernard, Saint Charles89 min
Apr 30, 3:28 PM CDTSpecial Weather StatementLIXSaint Charles47 min
Apr 30, 3:54 PM CDTSpecial Marine WarningLIX66 min
Apr 30, 4:04 PM CDTAreal Flood AdvisoryLIXJefferson, Orleans, Saint Bernard116 min
Apr 30, 4:07 PM CDTSpecial Marine WarningLIX113 min
Apr 30, 4:21 PM CDTAreal Flood AdvisoryLIXSaint Tammany114 min
Apr 30, 4:46 PM CDTSpecial Weather StatementLIXJefferson59 min
Apr 30, 4:56 PM CDTSpecial Weather StatementLIXTerrebonne49 min
Apr 30, 5:04 PM CDTSpecial Marine WarningLIX86 min
Apr 30, 5:06 PM CDTSpecial Marine WarningLIX24 min
Apr 30, 5:11 PM CDTSpecial Marine WarningLIX64 min
Apr 30, 5:34 PM CDTSpecial Weather StatementLIXPlaquemines41 min
Apr 30, 6:09 PM CDTSpecial Marine WarningLIX2 hr
Apr 30, 6:13 PM CDTSpecial Marine WarningLIX62 min

Nearby

Tornado Warnings in Mississippi, 2016Tornado Warnings in Louisiana, 2016Every tornado warning in 2016Tornadoes in 2016

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.