Alert archive / Mississippi / Tornado Warnings in 2006

Tornado Warning 11, NWS Mobile, AL

March 20, 2006Perry County, Mississippi

NWS Mobile, AL issued this tornado warning at Mar 20, 2006, 4:32 PM CST for Perry County, Mississippi. It was in force for 28 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, 4:32 PM CST (22:32 UTC)
Expired: Mar 20, 2006, 5:00 PM CST
In force: 28 min
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

County Perry County, MS

The radar

The Mobile radar (KMOB), 103 km from the middle of the area, began a volume at 22:33 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, 10.5 hours before the alert went out and 143 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 202233
TORMOB
MSC111-202300-
/O.NEW.KMOB.TO.W.0011.060320T2232Z-060320T2300Z/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...

  PERRY COUNTY IN SOUTHEAST MISSISSIPPI

* UNTIL 500 PM CST

* AT 429 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER            
  RICHTON...  AND MOVING NORTHEAST AT 55 MPH. THIS UPGRADES THE      
  SEVERE THUNDERSTORM WARNING THAT WAS IN EFFECT.

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 3140 8910 3126 8903 3129 8883 3143 8883
      3144 8890

$$

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, 4:33 PM CST	Tornado Warning	MOB	Wayne	42 min
Mar 20, 4:46 PM CST	Tornado Warning	MOB	Greene	29 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.