Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 16, NWS New Orleans, LA

March 9, 2011Amite County, Pike County, Walthall County, Mississippi

NWS New Orleans, LA issued this tornado warning at Mar 9, 2011, 3:48 AM CST for Amite County, Pike County, Walthall County, Mississippi. It was in force for 27 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, 3:48 AM CST (09:48 UTC)
Expired: Mar 9, 2011, 4:15 AM CST
In force: 27 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon

Counties Amite County, MS, Pike County, MS, Walthall 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

Jackson, MS (KJAN), launched 00:00Z, 9.8 hours before the alert went out and 118 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 600 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 542 m²/s²
0-3 km storm-relative helicity: 664 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

068 
WFUS54 KLIX 090948
TORLIX
MSC005-113-147-091015-
/O.NEW.KLIX.TO.W.0016.110309T0948Z-110309T1015Z/

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

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN AMITE COUNTY IN SOUTHERN MISSISSIPPI...
  NORTHERN PIKE COUNTY IN SOUTHERN MISSISSIPPI...
  THIS INCLUDES THE CITY OF MCCOMB...
  NORTHWESTERN WALTHALL COUNTY IN SOUTHERN MISSISSIPPI...

* UNTIL 415 AM CST

* AT 346 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES NORTH OF
  GILLSBERG...OR 8 MILES EAST OF LIBERTY...MOVING NORTHEAST AT 35
  MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MAGNOLIA AND SUMMIT

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 3135 9008 3134 9008 3102 9067 3116 9079
      3137 9050 3136 9011
TIME...MOT...LOC 0948Z 227DEG 30KT 3114 9065

$$

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, 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, 5:56 AM CST	Tornado Warning	LIX	Hancock, Pearl River	34 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.