Alert archive / Mississippi / Tornado Warnings in 2007

Tornado Warning 36, NWS New Orleans, LA

December 28, 2007Jackson County, Mississippi

NWS New Orleans, LA issued this tornado warning at Dec 28, 2007, 11:51 AM CST for Jackson County, Mississippi. It was in force for 24 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Dec 28, 2007, 11:51 AM CST (17:51 UTC)
Expired: Dec 28, 2007, 12:15 PM CST
In force: 24 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon

County Jackson County, MS

The radar

The Mobile radar (KMOB), 32 km from the middle of the area, began a volume at 17:54 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.

What was reported inside it

Time	Report	Where	Remark
Dec 28, 11:54 AM CST	HAIL 0.75	7 Se Wade, MS	BIG POINT AREA. GRID BASED VIL 41 KG/M2...DVIL 80 KG/M2 THIS STORM.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Dec 28, 10:44 AM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 5.9 hours before the alert went out and 119 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: 755 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 554 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 290 m²/s²
0-3 km storm-relative helicity: 387 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 8.9

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KLIX 281751
TORLIX
MSC059-281815-
/O.NEW.KLIX.TO.W.0036.071228T1751Z-071228T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1151 AM CST FRI DEC 28 2007

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  JACKSON COUNTY IN SOUTHERN MISSISSIPPI...
  THIS INCLUDES THE CITY OF ESCATAWPA...

* UNTIL 1215 PM CST

* AT 1146 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  ESCATAWPA...MOVING EAST AT 25 MPH.

* THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF   
  EASTERN JACKSON COUNTY NORTH OF I-10.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
PENNY SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS NEAR 60 MPH.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...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 600 PM CST FRIDAY EVENING FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

LAT...LON 3042 8856 3046 8858 3047 8857 3060 8859
      3063 8840 3052 8840 3051 8838 3043 8839
TIME...MOT...LOC 1751Z 262DEG 25KT 3052 8847

$$

24

1 follow-up statement

000 
WWUS54 KLIX 281813
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1210 PM CST FRI DEC 28 2007

MSC059-281820-
/O.EXP.KLIX.TO.W.0036.000000T0000Z-071228T1815Z/
JACKSON MS-
1210 PM CST FRI DEC 28 2007

...THE TORNADO WARNING FOR JACKSON COUNTY EXPIRES AT 1215 PM CST...

THE SEVERE THUNDERSTORM WITH A POSSIBLE TORNADO HAS MOVED OUT OF THE 
WARNED AREA INTO ALABAMA. THE WARNING WILL BE ALLOWED TO EXPIRE AT 
1215 PM. ANOTHER STRONG THUNDERSTORM WAS INDICATED NEAR ST ANDREWS 
AND FONTAINBLEAU...MOVING EAST AT 25 MPH. THIS STORM MAY PRODUCE 
WIND GUSTS TO 30 MPH.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST FRIDAY EVENING FOR
SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

LAT...LON 3042 8856 3046 8858 3047 8857 3060 8859
      3063 8840 3052 8840 3051 8838 3043 8839
TIME...MOT...LOC 1810Z 262DEG 25KT 3054 8832

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 28, 3:09 AM CST	Severe Thunderstorm Warning	LIX	Walthall	21 min

Nearby

Tornado Warnings in Mississippi, 2007 Every tornado warning in 2007 Tornadoes in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.