Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 24, NWS New Orleans, LA

March 9, 2011Hancock County, Pearl River County, Mississippi

NWS New Orleans, LA issued this tornado warning at Mar 9, 2011, 5:56 AM CST for Hancock County, Pearl River County, Mississippi. It was in force for 34 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 9, 2011, 5:56 AM CST (11:56 UTC)
Expired: Mar 9, 2011, 6:30 AM CST
In force: 34 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon

Counties Hancock County, MS, Pearl River County, MS

The watch it was issued in

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

Issued	Product	Office	Lasted
Mar 9, 2:39 AM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 11.9 hours before the alert went out and 63 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 841 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 473 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 652 m²/s²
0-3 km storm-relative helicity: 774 m²/s²
Significant tornado parameter: 4.0
Supercell composite: 24.8

Open this sounding in Storm Lab

The text

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

688 
WFUS54 KLIX 091156
TORLIX
MSC045-109-091230-
/O.NEW.KLIX.TO.W.0024.110309T1156Z-110309T1230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
556 AM CST WED MAR 9 2011

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN HANCOCK COUNTY IN SOUTHERN MISSISSIPPI...
  EAST CENTRAL PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI...

* UNTIL 630 AM CST

* AT 552 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER PEARL RIVER
  COUNTY...OR 12 MILES SOUTH OF POPLARVILLE...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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CST WEDNESDAY MORNING
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

&&

LAT...LON 3096 8933 3061 8934 3055 8950 3075 8964
TIME...MOT...LOC 1156Z 228DEG 25KT 3068 8947

$$

2 follow-up statements

234 
WWUS54 KLIX 091203
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
603 AM CST WED MAR 9 2011

MSC045-091214-
/O.CAN.KLIX.TO.W.0024.000000T0000Z-110309T1230Z/
HANCOCK MS-
603 AM CST WED MAR 9 2011

...THE TORNADO WARNING FOR NORTHEASTERN HANCOCK COUNTY IS
CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CST WEDNESDAY MORNING
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

LAT...LON 3096 8933 3065 8934 3066 8953 3065 8954
      3065 8956 3075 8963
TIME...MOT...LOC 1204Z 228DEG 25KT 3072 8942

$$

MSC109-091230-
/O.CON.KLIX.TO.W.0024.000000T0000Z-110309T1230Z/
PEARL RIVER MS-
603 AM CST WED MAR 9 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 AM CST FOR EAST
CENTRAL PEARL RIVER COUNTY...

AT 601 AM CST...A TORNADO WAS REPORTED.  THIS TORNADO WAS LOCATED
OVER PEARL RIVER COUNTY...OR 11 MILES SOUTHEAST OF POPLARVILLE...
MOVING NORTHEAST AT 30 MPH.

THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
INDICATED COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CST WEDNESDAY MORNING
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

LAT...LON 3096 8933 3065 8934 3066 8953 3065 8954
      3065 8956 3075 8963
TIME...MOT...LOC 1204Z 228DEG 25KT 3072 8942

$$

BANNAN

959 
WWUS54 KLIX 091228
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
628 AM CST WED MAR 9 2011

MSC109-091236-
/O.EXP.KLIX.TO.W.0024.000000T0000Z-110309T1230Z/
PEARL RIVER MS-
628 AM CST WED MAR 9 2011

...THE TORNADO WARNING FOR EAST CENTRAL PEARL RIVER COUNTY WILL
EXPIRE AT 630 AM CST...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CST WEDNESDAY MORNING
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

THE STORM THAT PROMPTED THE WARNING HAS MOVED TO THE EAST OUT OF 
PEARL RIVER COUNTY. THE SEVERE WEATHER RISK IS NOT OVER AND ANOTHER 
VERY STRONG STORM IS CURRENTLY OVER LAKE PONTCHARTRAIN AND COULD 
MOVE INTO THESE AREAS IN THE NEXT HOUR OR TWO. 


LAT...LON 3096 8933 3065 8934 3066 8953 3065 8954
      3065 8956 3075 8963
TIME...MOT...LOC 1226Z 228DEG 25KT 3082 8929

$$

BANNAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 8, 8:33 PM CST	River Flood Warning	LIX	Harrison	61 hr
Mar 8, 8:40 PM CST	River Flood Warning	LIX	Harrison	46 hr
Mar 8, 8:50 PM CST	River Flood Warning	LIX	Harrison	24 hr
Mar 8, 10:12 PM CST	River Flood Warning	LIX	Pike	23 hr
Mar 9, 12:06 AM CST	River Flood Warning	LIX	Jackson	12 days
Mar 9, 3:48 AM CST	Tornado Warning	LIX	Amite, Pike, Walthall	27 min
Mar 9, 5:10 AM CST	Tornado Warning	LIX	Hancock, Pearl River	50 min
Mar 9, 5:23 AM CST	Tornado Warning	LIX	Pike, Walthall	37 min
Mar 9, 5:45 AM CST	Tornado Warning	LIX	Hancock, Pearl River	45 min
Mar 9, 6:35 AM CST	Tornado Warning	LIX	Hancock, Pearl River	55 min
Mar 9, 6:42 AM CST	Severe Thunderstorm Warning	LIX	Hancock, Harrison, Jackson	63 min
Mar 9, 7:06 AM CST	Severe Thunderstorm Warning	LIX	Harrison, Jackson	54 min
Mar 9, 7:24 AM CST	Tornado Warning	LIX	Hancock, Harrison, Jackson	66 min
Mar 9, 7:42 AM CST	Flash Flood Warning	LIX	Hancock, Harrison	2 hr
Mar 9, 8:34 AM CST	Flash Flood Warning	LIX	Jackson	2 hr
Mar 9, 8:48 AM CST	Severe Thunderstorm Warning	LIX	Jackson	27 min
Mar 9, 9:20 AM CST	Severe Thunderstorm Warning	LIX	Jackson	25 min
Mar 9, 12:05 PM CST	River Flood Warning	LIX	Pike, Walthall	58 hr
Mar 9, 5:28 PM CST	River Flood Warning	LIX	Pearl River	3 hr

Nearby

Tornado Warnings in Mississippi, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.