Alert archive / Mississippi / Tornado Warnings in 2006

Tornado Warning 13, NWS Mobile, AL

March 20, 2006Greene County, Mississippi

NWS Mobile, AL issued this tornado warning at Mar 20, 2006, 4:46 PM CST for Greene County, Mississippi. It was in force for 29 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 20, 2006, 4:46 PM CST (22:46 UTC)
Expired: Mar 20, 2006, 5:15 PM CST
In force: 29 min
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

County Greene County, MS

The radar

The Mobile radar (KMOB), 86 km from the middle of the area, began a volume at 22:46 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 watch it was issued in

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

Issued	Product	Office	Lasted
Mar 20, 3:09 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.8 hours before the alert went out and 163 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: 301 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 601 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 265 m²/s²
0-3 km storm-relative helicity: 515 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.6

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMOB 202247
TORMOB
MSC041-202315-
/O.NEW.KMOB.TO.W.0013.060320T2246Z-060320T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
446 PM CST MON MAR 20 2006

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...

  GREENE COUNTY IN SOUTHEAST MISSISSIPPI

* UNTIL 515 PM CST

* AT 442 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER PIAVE...AND
  MOVING EAST AT 45 MPH.

* THE TORNADO PRODUCING STORM IS EXPECTED TO BE NEAR...
  RURAL NORTHERN GREENE COUNTY AT 500 PM CST
  RURAL NORTHEASTERN GREENE COUNTY AT 510 PM CST

IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...ABANDON VEHICLES AND
MOBILE HOMES AND SEEK A REINFORCED SHELTER. MOVE TO THE LOWEST FLOOR
INTERIOR HALLWAY OR CLOSET. COVER YOUR BODY WITH BLANKETS OR PILLOWS.

IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING QUARTER 
SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST MONDAY EVENING 
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3143 8865 3143 8847 3135 8845 3133 8848
      3133 8857 3132 8859 3131 8882 3144 8882
      3144 8867

$$

1 follow-up statement

000 
WWUS54 KMOB 202301
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
501 PM CST MON MAR 20 2006

MSC041-202315-
/O.CON.KMOB.TO.W.0013.000000T0000Z-060320T2315Z/
GREENE MS-
501 PM CST MON MAR 20 2006

...A TORNADO WARNING CONTINUES UNTIL 515 PM CST FOR NORTHERN GREENE
COUNTY...

AT 459 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 6 MILES SOUTHEAST OF
SMITHTOWN...OR ABOUT 17 MILES NORTH OF LEAKESVILLE...MOVING EAST AT
35 MPH.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING QUARTER 
SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY 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 1000 PM CST MONDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3143 8865 3143 8847 3135 8845 3133 8848
      3133 8857 3132 8859 3131 8882 3144 8882
      3144 8867

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 20, 3:30 PM CST	Tornado Warning	MOB	Wayne	31 min
Mar 20, 4:04 PM CST	Severe Thunderstorm Warning	MOB	Wayne	41 min
Mar 20, 4:21 PM CST	Severe Thunderstorm Warning	MOB	Perry	39 min
Mar 20, 4:32 PM CST	Tornado Warning	MOB	Perry	28 min
Mar 20, 4:33 PM CST	Tornado Warning	MOB	Wayne	42 min
Mar 20, 5:11 PM CST	Tornado Warning	MOB	Greene	34 min
Mar 20, 5:43 PM CST	Severe Thunderstorm Warning	MOB	Greene, Perry, Wayne	40 min

Nearby

Tornado Warnings in Mississippi, 2006 Every tornado warning in 2006 Tornadoes in 2006

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.