Alert archive / Mississippi / Tornado Warnings in 2012

Tornado Warning 12, NWS New Orleans, LA

February 18, 2012Hancock County, Harrison County, Mississippi

NWS New Orleans, LA issued this tornado warning at Feb 18, 2012, 1:50 PM CST for Hancock County, Harrison County, Mississippi. It was in force for 40 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: Feb 18, 2012, 1:50 PM CST (19:50 UTC)
Expired: Feb 18, 2012, 2:30 PM CST
In force: 40 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon

Counties 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.

Issued	Product	Office	Lasted
Feb 18, 9:55 AM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 7.8 hours before the alert went out and 46 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: 449 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 160 m²/s²
0-3 km storm-relative helicity: 177 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

548 
WFUS54 KLIX 181950
TORLIX
MSC045-047-182030-
/O.NEW.KLIX.TO.W.0012.120218T1950Z-120218T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
150 PM CST SAT FEB 18 2012

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN HANCOCK COUNTY IN SOUTHERN MISSISSIPPI...
  WESTERN HARRISON COUNTY IN SOUTHERN MISSISSIPPI...

* UNTIL 230 PM CST

* AT 145 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR KILN...OR 9
  MILES WEST OF DIAMONDHEAD...MOVING EAST AT 50 MPH.

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

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 300 PM CST SATURDAY AFTERNOON
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

&&

LAT...LON 3062 8918 3044 8914 3037 8954 3047 8957
TIME...MOT...LOC 1950Z 248DEG 42KT 3045 8945

$$

CAB

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 18, 8:49 AM CST	River Flood Warning	LIX	Pike	36 hr
Feb 18, 9:30 AM CST	River Flood Warning	LIX	Pearl River	26 hr
Feb 18, 9:34 AM CST	River Flood Warning	LIX	Pearl River	57 hr
Feb 18, 12:12 PM CST	Severe Thunderstorm Warning	LIX	Hancock, Pearl River	63 min
Feb 18, 12:21 PM CST	Tornado Warning	LIX	Pearl River	54 min
Feb 18, 12:26 PM CST	Tornado Warning	LIX	Pearl River	41 min
Feb 18, 12:54 PM CST	Tornado Warning	LIX	Pearl River	14 min
Feb 18, 12:56 PM CST	Severe Thunderstorm Warning	LIX	Harrison	49 min
Feb 18, 1:27 PM CST	Severe Thunderstorm Warning	LIX	Hancock, Pearl River	63 min
Feb 18, 1:33 PM CST	Severe Thunderstorm Warning	LIX	Jackson	21 min
Feb 18, 1:49 PM CST	Severe Thunderstorm Warning	LIX	Hancock, Harrison	41 min
Feb 18, 2:17 PM CST	Tornado Warning	LIX	Harrison	28 min
Feb 18, 2:25 PM CST	Severe Thunderstorm Warning	LIX	Hancock, Harrison	65 min
Feb 18, 3:41 PM CST	River Flood Warning	LIX	Pike, Walthall	42 hr
Feb 18, 3:46 PM CST	Tornado Warning	LIX	Jackson	29 min

Nearby

Tornado Warnings in Mississippi, 2012 Every tornado warning in 2012 Tornadoes 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; the sounding from the Mesonet's radiosonde archive.