Alert archive / Louisiana / Tornado Warnings in 2007

Tornado Warning 1, NWS Lake Charles, LA

January 4, 2007Iberia Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Jan 4, 2007, 3:40 PM CST for Iberia Parish, Louisiana. It was in force for 18 min. 2 reports 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: Jan 4, 2007, 3:40 PM CST (21:40 UTC)
Expired: Jan 4, 2007, 3:58 PM CST
In force: 18 min
Issued by: NWS Lake Charles, LA
Area: Counties, with a storm outline in the text

County Iberia Parish, LA

The radar

The Lake Charles radar (KLCH), 139 km from the middle of the area, began a volume at 21:42 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
Jan 4, 3:47 PM CST	TORNADO 1	3 S New Iberia, LA	* 2 FATAL * PRELIMINARY INFORMATION FROM NWS STORM SURVEY. TWO FATALITIES DIRECTLY RELATED TO TORNADO WERE IN A MOBILE HOME ABOUT 3 MILES SOUTH OF NEW IBERIA. A THIRD FATALITY WAS A HEART ATTACK VICTIM IN LOREAUVILLE. PRELIMINARY FUJITA SCALE RATING IS F1.
Jan 4, 3:55 PM CST	TORNADO	New Iberia, LA	A SECOND FATALITY WAS FOUND IN NEW IBERIA. THERE ARE CURRENTLY THREE INDIVIDUALS IN CRITICAL CONDITION. ONE OF THE THREE CHILDREN HAS BEEN FOUND, BUT DISPOSITION UNKNOWN.

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
Jan 4, 1:44 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 9.7 hours before the alert went out and 138 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: 9 J/kg
Mixed-layer CIN: -190 J/kg
Mixed-layer LCL: 541 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 507 m²/s²
0-3 km storm-relative helicity: 661 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KLCH 042140
TORLCH
LAC045-042215-
/O.NEW.KLCH.TO.W.0001.070104T2140Z-070104T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
340 PM CST THU JAN 4 2007

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* TORNADO WARNING FOR...
  IBERIA PARISH IN SOUTH CENTRAL LOUISIANA

* UNTIL 415 PM CST

* AT 337 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER NEW
  IBERIA...MOVING NORTH AT 50 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
   LOREAUVILLE BY 345 PM CST

A TORNADO MAY FORM AT ANY TIME - TAKE COVER NOW. ABANDON MOBILE HOMES
AND VEHICLES FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS.

CALL 337-477-5285 TO REPORT SEVERE WEATHER TO THE WEATHER SERVICE.

LAT...LON 2995 9189 2997 9187 3007 9186 3004 9181
      3012 9175 3012 9167 3009 9164 2993 9168
      2991 9170

$$

13

1 follow-up statement

000 
WWUS54 KLCH 042158
SVSLCH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
357 PM CST THU JAN 4 2007

LAC045-042207-
/O.CAN.KLCH.TO.W.0001.000000T0000Z-070104T2215Z/
IBERIA LA-
357 PM CST THU JAN 4 2007

...THE TORNADO WARNING FOR IBERIA PARISH IS CANCELED...

THE STORM THAT PROMPTED THE WARNING HAS MOVED NORTH AND EXITED THE PARISH. 

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST THURSDAY EVENING
FOR SOUTH CENTRAL LOUISIANA.

LAT...LON 2995 9189 2997 9187 3007 9186 3004 9181
      3012 9175 3012 9167 3009 9164 2993 9168
      2991 9170

$$

13

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 4, 6:07 AM CST	Special Marine Warning	LCH		53 min
Jan 4, 1:25 PM CST	Special Marine Warning	LCH		35 min
Jan 4, 2:04 PM CST	Special Marine Warning	LCH		41 min
Jan 4, 2:22 PM CST	Special Marine Warning	LCH		23 min
Jan 4, 2:52 PM CST	Special Marine Warning	LCH		53 min
Jan 4, 3:55 PM CST	Severe Thunderstorm Warning	LCH	Saint Martin	65 min

Nearby

Tornado Warnings in Louisiana, 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.