Alert archive / Indiana / Tornado Warnings in 2009

Tornado Warning 8, NWS Indianapolis, IN

April 5, 2009Decatur County, Indiana

NWS Indianapolis, IN issued this tornado warning at Apr 5, 2009, 6:43 PM EDT for Decatur County, Indiana. It was in force for 18 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
Apr 5, 2009, 6:43 PM EDT (22:43 UTC)
Expired
Apr 5, 2009, 7:01 PM EDT
In force
18 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon

County Decatur County, IN

The radar

The Indianapolis radar (KIND), 90 km from the middle of the area, began a volume at 22:45 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.

IssuedProductOfficeLasted
Apr 5, 12:44 PM EDTTornado WatchSPC6 hr
Apr 5, 6:37 PM EDTTornado WatchSPC5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.7 hours before the alert went out and 135 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-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2009-04-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2009-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 214 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1989 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
214 m²/s²
0-3 km storm-relative helicity
258 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KIND 052243
TORIND
INC031-052330-
/O.NEW.KIND.TO.W.0008.090405T2243Z-090405T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
643 PM EDT SUN APR 5 2009

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL DECATUR COUNTY IN CENTRAL INDIANA...

* UNTIL 730 PM EDT

* AT 641 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR NEWPOINT...
  OR NEAR BATESVILLE...MOVING NORTHEAST AT 50 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LAKE
  SANTEE

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 137 AND 144.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3922 8540 3933 8547 3942 8530 3941 8530
      3927 8530
TIME...MOT...LOC 2242Z 239DEG 43KT 3930 8530

$$

KOCH
1 follow-up statement
000 
WWUS53 KIND 052301
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
701 PM EDT SUN APR 5 2009

INC031-052311-
/O.CAN.KIND.TO.W.0008.000000T0000Z-090405T2330Z/
DECATUR-
701 PM EDT SUN APR 5 2009

...THE TORNADO WARNING FOR EAST CENTRAL DECATUR COUNTY IS
CANCELLED...

THE STORM THAT PROMPTED THE TORNADO WARNING HAS MOVED OUT OF THE 
COUNTY.

LAT...LON 3922 8540 3933 8547 3942 8530 3941 8530
      3927 8530
TIME...MOT...LOC 2301Z 239DEG 43KT 3941 8505

$$

KOCH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 8:17 AM EDTRiver Flood WarningINDParke, Vermillion, Vigo21 days
Apr 5, 11:17 AM EDTRiver Flood WarningINDFountain, Parke, Tippecanoe, Vermillion, Warren19 days
Apr 5, 11:17 AM EDTRiver Flood WarningINDFountain, Parke, Vermillion, Warren20 days
Apr 5, 11:17 AM EDTRiver Flood WarningINDParke, Vermillion, Vigo18 days
Apr 5, 11:17 AM EDTRiver Flood WarningINDSullivan, Vigo21 days
Apr 5, 11:17 AM EDTRiver Flood WarningINDKnox, Sullivan54 days
Apr 5, 11:17 AM EDTRiver Flood WarningINDKnox, Sullivan54 days
Apr 5, 11:17 AM EDTRiver Flood WarningINDKnox6 days
Apr 5, 11:17 AM EDTRiver Flood WarningINDKnox21 days
Apr 5, 1:54 PM EDTTornado WarningINDDaviess, Greene, Knox37 min
Apr 5, 7:45 PM EDTAreal Flood AdvisoryINDClinton, Delaware, Hamilton, Henry, Howard, Madison and 3 more67 days

Nearby

Tornado Warnings in Indiana, 2009Every tornado warning in 2009Tornadoes in 2009

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.