Alert archive / Indiana / Tornado Warnings in 2000

Tornado Warning 9, NWS Indianapolis, IN

August 17, 2000Montgomery County, Indiana

NWS Indianapolis, IN issued this tornado warning at Aug 17, 2000, 4:55 PM EST for Montgomery County, Indiana. It was in force for 35 min. 3 reports 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: Aug 17, 2000, 4:55 PM EST (21:55 UTC)
Expired: Aug 17, 2000, 5:30 PM EST
In force: 35 min
Issued by: NWS Indianapolis, IN
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Montgomery County, IN

The radar

The Indianapolis radar (KIND), 65 km from the middle of the area, began a volume at 21:55 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
Aug 17, 5:05 PM EST	Hail 1.75	Alamo, IN
Aug 17, 5:28 PM EST	Hail 1.75	Crawfordsville, IN
Aug 17, 5:40 PM EST	Hail 1	Crawfordsville, 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
Aug 17, 4:45 PM EST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.9 hours before the alert went out and 143 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: 454 J/kg
Mixed-layer CIN: -313 J/kg
Mixed-layer LCL: 1095 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 497 m²/s²
0-3 km storm-relative helicity: 556 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.6

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KIND 172156
TORIND

INC107-172230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
455 PM EST THU AUG 17 2000

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL AND SOUTHERN MONTGOMERY COUNTY IN WEST CENTRAL INDIANA
  THIS INCLUDES THE CITY OF CRAWFORDSVILLE

* UNTIL 530 PM EST

* AT 450 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO NEAR ALAMO...OR ABOUT 6 MILES SOUTHWEST OF
  CRAWFORDSVILLE...MOVING EAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  CRAWFORDSVILLE AT 505 PM EST
  LADOGA AT 520 PM EST
  NEW ROSS AT 525 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 4011 8706 3992 8709 3988 8672 4007 8672
DT/JS

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 17, 4:15 PM EST	Severe Thunderstorm Warning	IND	Montgomery	45 min
Aug 17, 5:18 PM EST	Tornado Warning	IND	Putnam	27 min
Aug 17, 5:27 PM EST	Severe Thunderstorm Warning	IND	Hendricks	48 min
Aug 17, 5:30 PM EST	Severe Thunderstorm Warning	IND	Boone, Montgomery	45 min
Aug 17, 6:12 PM EST	Severe Thunderstorm Warning	IND	Hendricks	33 min
Aug 17, 6:13 PM EST	Severe Thunderstorm Warning	IND	Fountain	32 min
Aug 17, 6:22 PM EST	Tornado Warning	IND	Hendricks	23 min
Aug 17, 6:24 PM EST	Severe Thunderstorm Warning	IND	Marion, Morgan	36 min
Aug 17, 6:29 PM EST	Severe Thunderstorm Warning	IND	Montgomery	31 min
Aug 17, 6:37 PM EST	Severe Thunderstorm Warning	IND	Johnson	23 min
Aug 17, 6:44 PM EST	Severe Thunderstorm Warning	IND	Hendricks	31 min
Aug 17, 6:59 PM EST	Severe Thunderstorm Warning	IND	Johnson, Marion	31 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.