Alert archive / Mississippi / Tornado Warnings in 2012

Tornado Warning 77, NWS New Orleans, LA

September 30, 2012Hancock County, Pearl River County, Mississippi

NWS New Orleans, LA issued this tornado warning at Sep 30, 2012, 2:48 PM CDT for Hancock County, Pearl River County, Mississippi. It was in force for 27 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
Sep 30, 2012, 2:48 PM CDT (19:48 UTC)
Expired
Sep 30, 2012, 3:15 PM CDT
In force
27 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon

Counties Hancock County, MS, Pearl River County, MS

What was reported inside it

TimeReportWhereRemark
Sep 30, 3:00 PM CDTTSTM WND DMG15 E Picayune, MSSTRUCTURAL DAMAGE TO TWO HOMES ON LOBLOLLY DRIVE.
Sep 30, 3:20 PM CDTTORNADO 19 Nnw Kiln, MSA WEAK TORNADO TOUCHED DOWN ALONG AN INTERMITTENT TRACK FROM THE CYPRESS LAKE AREA NORTHEAST TO JUST SOUTHWEST OF THE COMMUNITY OF NECAISE. A FEW HOMES HAD MINOR ROOF DAMAGE...ONE HOME WAS SHIFTED OFF ITS FOUNDATION...ONE HOME HAD PORTION OF SIDING ROOF PEELED

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
Sep 30, 2:36 PM CDTTornado WatchSPC3 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 7.8 hours before the alert went out and 24 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 2012-09-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1360 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 2012-09-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 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
1360 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
552 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
178 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

988 
WFUS54 KLIX 301948
TORLIX
MSC045-109-302015-
/O.NEW.KLIX.TO.W.0077.120930T1948Z-120930T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
248 PM CDT SUN SEP 30 2012

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN HANCOCK COUNTY IN SOUTHERN MISSISSIPPI...
  SOUTH CENTRAL PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI...

* UNTIL 315 PM CDT

* AT 244 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR STENNIS
  SPACE CENTER...OR 11 MILES SOUTH OF PICAYUNE...MOVING NORTHEAST AT
  30 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

PLEASE FOLLOW OUR OFFICE ON BOTH FACEBOOK AND TWITTER FOR MORE
INFORMATION ON SEVERE WEATHER AND TO RELAY WEATHER REPORTS AND
PHOTOS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SUNDAY EVENING FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

&&

LAT...LON 3051 8938 3033 8963 3036 8966 3041 8969
      3041 8968 3045 8968 3046 8970 3061 8954
TIME...MOT...LOC 1948Z 220DEG 24KT 3040 8962

$$

98/SO
1 follow-up statement
263 
WWUS54 KLIX 302000
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
300 PM CDT SUN SEP 30 2012

MSC045-109-302015-
/O.CON.KLIX.TO.W.0077.000000T0000Z-120930T2015Z/
PEARL RIVER MS-HANCOCK MS-
300 PM CDT SUN SEP 30 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR NORTHERN
HANCOCK AND SOUTH CENTRAL PEARL RIVER COUNTIES...

AT 255 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
STORM WAS LOCATED OVER HANCOCK COUNTY...OR 9 MILES SOUTHEAST OF
PICAYUNE...MOVING NORTHEAST AT 30 MPH.

THE STORM CONTINUES TO SHOW ROTATION ON RADAR. REGARDLESS OF IF A 
TORNADO DEVELOPS...STRONG WINDS ARE LIKELY TO AFFECT THE WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

PLEASE FOLLOW OUR OFFICE ON BOTH FACEBOOK AND TWITTER FOR MORE
INFORMATION ON SEVERE WEATHER AND TO RELAY WEATHER REPORTS AND
PHOTOS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SUNDAY EVENING FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

&&

LAT...LON 3041 8964 3042 8966 3045 8968 3046 8968
      3060 8954 3051 8939 3037 8957
TIME...MOT...LOC 2000Z 220DEG 24KT 3046 8956

$$

98/SO

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 30, 12:17 AM CDTRiver Flood WarningLIXPike, Walthall56 hr
Sep 30, 12:17 AM CDTRiver Flood WarningLIXPearl River43 hr
Sep 30, 12:17 AM CDTRiver Flood WarningLIXPearl River67 hr
Sep 30, 10:32 AM CDTAreal Flood AdvisoryLIXJackson118 min
Sep 30, 1:51 PM CDTTornado WarningLIXWilkinson24 min
Sep 30, 3:15 PM CDTTornado WarningLIXHancock, Pearl River30 min
Sep 30, 3:26 PM CDTTornado WarningLIXHancock, Harrison22 min
Sep 30, 5:37 PM CDTTornado WarningLIXHancock, Harrison38 min

Nearby

Tornado Warnings in Mississippi, 2012Every tornado warning in 2012Tornadoes in 2012

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.