Alert archive / Indiana / Tornado Warnings in 2006

Tornado Warning 5, NWS Indianapolis, IN

March 12, 2006Knox County, Indiana

NWS Indianapolis, IN issued this tornado warning at Mar 12, 2006, 1:38 AM EST for Knox County, Indiana. It was in force for 54 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 12, 2006, 1:38 AM EST (06:38 UTC)
Expired: Mar 12, 2006, 2:32 AM EST
In force: 54 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

County Knox County, IN

The radar

The Evansville,IN radar (KVWX), 40 km from the middle of the area, began a volume at 06:41 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 12, 12:10 AM EST	Tornado Watch	SPC	2 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 6.6 hours before the alert went out and 196 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: 789 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 708 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 201 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KIND 120639
TORIND
INC083-120730-
/O.NEW.KIND.TO.W.0005.060312T0638Z-060312T0730Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
138 AM EST SUN MAR 12 2006

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  KNOX COUNTY IN SOUTHWEST INDIANA
  THIS INCLUDES THE CITY OF VINCENNES

* UNTIL 230 AM EST

* AT 136 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 20 MILES
  SOUTHWEST OF VINCENNES...MOVING NORTHEAST AT 45 MPH.

* THE TORNADO WILL BE NEAR...
  VINCENNES AROUND 200 AM EST...
  MONROE CITY AROUND 205 AM EST...
  WHEATLAND AROUND 210 AM EST...
  BICKNELL AROUND 215 AM EST...

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 500 AM EST SUNDAY MORNING(400
AM CST SUNDAY MORNING) FOR SOUTHWEST INDIANA.

LAT...LON 3858 8764 3855 8766 3850 8764 3846 8772
      3846 8764 3852 8755 3859 8729 3875 8729
      3883 8736 3870 8751

$$

JB

1 follow-up statement

000 
WWUS53 KIND 120732
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
230 AM EST SUN MAR 12 2006

INC083-120740-
/O.CAN.KIND.TO.W.0005.000000T0000Z-060312T0730Z/
KNOX-
230 AM EST SUN MAR 12 2006

...THE TORNADO WARNING FOR KNOX COUNTY IS CANCELLED...

THIS THUNDERSTORM HAS WEAKENED AND SHOULD NO LONGER BE PRODUCING A 
TORNADO.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EST SUNDAY 
MORNING(800 AM CST SUNDAY MORNING) FOR SOUTHWEST INDIANA.

LAT...LON 3858 8764 3855 8766 3850 8764 3846 8772
      3846 8764 3852 8755 3859 8729 3875 8729
      3883 8736 3870 8751

$$

HAINES

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 11, 9:43 PM EST	Severe Thunderstorm Warning	IND	Tippecanoe	32 min
Mar 11, 9:52 PM EST	Severe Thunderstorm Warning	IND	Carroll	23 min
Mar 11, 10:42 PM EST	Severe Thunderstorm Warning	IND	Fountain, Vermillion	26 min

Nearby

Tornado Warnings in Indiana, 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.