Alert archive / Mississippi / Tornado Warnings in 2012

Tornado Warning 34, NWS New Orleans, LA

March 23, 2012Hancock County, Harrison County, Mississippi

NWS New Orleans, LA issued this tornado warning at Mar 23, 2012, 3:07 AM CDT for Hancock County, Harrison County, Mississippi. It was in force for 38 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 23, 2012, 3:07 AM CDT (08:07 UTC)
Expired: Mar 23, 2012, 3:45 AM CDT
In force: 38 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon

Counties Hancock County, MS, Harrison County, MS

The radar

The Mobile radar (KMOB), 101 km from the middle of the area, began a volume at 08:09 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 8.1 hours before the alert went out and 55 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: 151 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 523 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 157 m²/s²
0-3 km storm-relative helicity: 232 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

384 
WFUS54 KLIX 230807
TORLIX
MSC045-047-230845-
/O.NEW.KLIX.TO.W.0034.120323T0807Z-120323T0845Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
307 AM CDT FRI MAR 23 2012

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN HANCOCK COUNTY IN SOUTHERN MISSISSIPPI...
  NORTHWESTERN HARRISON COUNTY IN SOUTHERN MISSISSIPPI...

* UNTIL 345 AM CDT

* AT 305 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER HANCOCK
  COUNTY...OR 10 MILES NORTH OF DIAMONDHEAD...MOVING NORTHEAST AT 20
  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.

&&

LAT...LON 3055 8919 3049 8943 3054 8946 3065 8934
      3065 8924 3068 8924 3068 8920
TIME...MOT...LOC 0807Z 240DEG 15KT 3054 8939

$$

1 follow-up statement

217 
WWUS54 KLIX 230844
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
344 AM CDT FRI MAR 23 2012

MSC045-047-230852-
/O.EXP.KLIX.TO.W.0034.000000T0000Z-120323T0845Z/
HANCOCK MS-HARRISON MS-
344 AM CDT FRI MAR 23 2012

...THE TORNADO WARNING FOR NORTHWESTERN HARRISON AND NORTHEASTERN
HANCOCK COUNTIES WILL EXPIRE AT 345 AM CDT...

THIS STORM REMAINS STRONG BUT BENEATH SEVERE THRESHOLDS.

LAT...LON 3055 8919 3049 8943 3054 8946 3065 8934
      3065 8924 3068 8924 3068 8920
TIME...MOT...LOC 0842Z 240DEG 15KT 3061 8924

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 22, 8:36 PM CDT	Severe Thunderstorm Warning	LIX	Harrison, Jackson	39 min
Mar 22, 8:45 PM CDT	Tornado Warning	LIX	Harrison, Jackson	30 min
Mar 23, 2:29 AM CDT	Tornado Warning	LIX	Hancock	46 min
Mar 23, 3:51 AM CDT	River Flood Warning	LIX	Hancock	49 hr
Mar 23, 5:21 AM CDT	Areal Flood Advisory	LIX	Hancock	114 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; radar from the NEXRAD Level II archive.