Alert archive / Indiana / Tornado Warnings in 2008

Tornado Warning 31, NWS Indianapolis, IN

December 27, 2008Clinton County, Indiana

NWS Indianapolis, IN issued this tornado warning at Dec 27, 2008, 5:32 PM EST for Clinton County, Indiana. It was in force for 29 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 27, 2008, 5:32 PM EST (22:32 UTC)
Expired: Dec 27, 2008, 6:01 PM EST
In force: 29 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon

County Clinton County, IN

The radar

The Indianapolis radar (KIND), 76 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.

What was reported inside it

Time	Report	Where	Remark
Dec 27, 5:33 PM EST	TSTM WND DMG	1 S Mulberry, IN	2 TREES DOWN.

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

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.5 hours before the alert went out and 182 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: 87 J/kg
Mixed-layer CIN: -128 J/kg
Mixed-layer LCL: 538 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 451 m²/s²
0-3 km storm-relative helicity: 455 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KIND 272232
TORIND
INC023-272315-
/O.NEW.KIND.TO.W.0031.081227T2232Z-081227T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
532 PM EST SAT DEC 27 2008

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CLINTON COUNTY IN CENTRAL INDIANA...
  THIS INCLUDES THE CITY OF FRANKFORT...

* UNTIL 615 PM EST

* AT 529 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES
  SOUTHWEST OF MULBERRY...OR 10 MILES SOUTHEAST OF LAFAYETTE...MOVING
  NORTHEAST AT 65 MPH.

* THE TORNADO WILL BE NEAR...
  ROSSVILLE BY 540 PM EST...
  MICHIGANTOWN BY 545 PM EST...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 158 AND 160.

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.

LAT...LON 4043 8633 4038 8629 4032 8630 4025 8671
      4040 8670 4044 8667
TIME...MOT...LOC 2232Z 247DEG 58KT 4031 8669

$$

CO

1 follow-up statement

000 
WWUS53 KIND 272301
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
601 PM EST SAT DEC 27 2008

INC023-272311-
/O.CAN.KIND.TO.W.0031.000000T0000Z-081227T2315Z/
CLINTON-
601 PM EST SAT DEC 27 2008

...THE TORNADO WARNING FOR NORTHERN CLINTON COUNTY IS CANCELLED...

LAT...LON 4043 8633 4038 8629 4032 8630 4025 8671
      4040 8670 4044 8667
TIME...MOT...LOC 2301Z 247DEG 58KT 4049 8612

$$

CO

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 27, 3:37 AM EST	Wind Advisory	IND	Bartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more	27 hr
Dec 27, 3:40 PM EST	Severe Thunderstorm Warning	IND	Fountain, Tippecanoe, Warren	32 min
Dec 27, 4:47 PM EST	Severe Thunderstorm Warning	IND	Fountain, Parke, Vermillion	43 min
Dec 27, 5:10 PM EST	Severe Thunderstorm Warning	IND	Fountain, Montgomery, Tippecanoe	50 min
Dec 27, 5:17 PM EST	Tornado Warning	IND	Fountain, Montgomery, Tippecanoe	22 min
Dec 27, 5:45 PM EST	Severe Thunderstorm Warning	IND	Carroll, Howard	34 min
Dec 27, 5:48 PM EST	Severe Thunderstorm Warning	IND	Boone, Clinton	19 min

Nearby

Tornado Warnings in Indiana, 2008 Every tornado warning in 2008 Tornadoes in 2008

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.