Alert archive / Indiana / Tornado Warnings in 2000

Tornado Warning 12, NWS Indianapolis, IN

September 20, 2000Brown County, Monroe County, Indiana

NWS Indianapolis, IN issued this tornado warning at Sep 20, 2000, 3:42 PM EST for Brown County, Monroe County, Indiana. It was in force for 33 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Sep 20, 2000, 3:42 PM EST (20:42 UTC)
Expired: Sep 20, 2000, 4:15 PM EST
In force: 33 min
Issued by: NWS Indianapolis, IN
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Brown County, IN, Monroe County, IN

The radar

The Indianapolis radar (KIND), 54 km from the middle of the area, began a volume at 20:41 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.

What was reported inside it

Time	Report	Where	Remark
Sep 20, 4:00 PM EST	Thunderstorm Wind 50 E	Cornelius, IN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

Issued	Product	Office	Lasted
Sep 20, 1:30 PM EST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.7 hours before the alert went out and 214 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1008 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 101 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 202043
TORIND

INC013-105-202115-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
342 PM EST WED SEP 20 2000

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  BROWN COUNTY IN SOUTH CENTRAL INDIANA
  MONROE COUNTY IN SOUTH CENTRAL INDIANA

* UNTIL 415 PM EST

* AT 336 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 16 MILES WEST OF NASHVILLE...OR ABOUT OVER BLOOMINGTON...
  MOVING NORTHEAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  YELLOWOOD STATE FOREST AT 400 PM EST
  NASHVILLE AT 410 PM EST

THE SAFEST PLACE DURING A TORNADO IS IN A BASEMENT. IF NO BASEMENT IS
AVAILABLE...GO TO THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM. GET UNDER STURDY FURNITURE OR USE BLANKETS OR
PILLOWS TO COVER YOUR BODY.

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.

LAT...LON 3932 8655 3906 8651 3913 8625 3931 8614

PUMA

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 20, 3:13 PM EST	Severe Thunderstorm Warning	IND	Greene, Monroe, Owen	47 min
Sep 20, 3:32 PM EST	Severe Thunderstorm Warning	IND	Johnson, Marion, Morgan	43 min
Sep 20, 3:45 PM EST	Severe Thunderstorm Warning	IND	Madison	45 min
Sep 20, 4:01 PM EST	Severe Thunderstorm Warning	IND	Hancock, Shelby	29 min
Sep 20, 4:04 PM EST	Severe Thunderstorm Warning	IND	Delaware	26 min
Sep 20, 4:10 PM EST	Severe Thunderstorm Warning	IND	Bartholomew	35 min
Sep 20, 4:24 PM EST	Severe Thunderstorm Warning	IND	Henry, Rush	36 min
Sep 20, 4:31 PM EST	Severe Thunderstorm Warning	IND	Randolph	29 min
Sep 20, 4:46 PM EST	Severe Thunderstorm Warning	IND	Decatur	29 min

Nearby

Tornado Warnings in Indiana, 2000 Every tornado warning in 2000 Tornadoes in 2000

Sources

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