Alert archive / Indiana / Tornado Warnings in 2001

Tornado Warning 25, NWS Northern Indiana

October 24, 2001DeKalb County, Steuben County, Indiana

NWS Northern Indiana issued this tornado warning at Oct 24, 2001, 5:04 PM EST for DeKalb County, Steuben County, Indiana. It was in force for 46 min. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Oct 24, 2001, 5:04 PM EST (22:04 UTC)
Expired: Oct 24, 2001, 5:50 PM EST
In force: 46 min
Issued by: NWS Northern Indiana
Area: Whole counties

Counties DeKalb County, IN, Steuben County, IN

The radar

The Northern Indiana radar (KIWX), 61 km from the middle of the area, began a volume at 22:05 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
Oct 24, 5:11 PM EST	Tornado F2	Corunna, IN
Oct 24, 5:26 PM EST	Tornado F0	Steubenville, IN	Tornado touched down east of Kendallville with F1 damage to homes and warehouses in and near the Kendallville East Industrial park. Tornado then moved northeast into Dekalb county where F2 damage occurred around Fairfield Center with significant damage to home
Oct 24, 5:37 PM EST	Thunderstorm Wind	Waterloo, IN	HAM radio operator reported roof blown off house near Waterloo.

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
Oct 24, 11:45 AM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 10.1 hours before the alert went out and 186 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: 227 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 511 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 105 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

364 
WFUS53 KIWX 242205
TORFWA
INC033-151-242250-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
504 PM EST WED OCT 24 2001

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWEST DE KALB COUNTY IN INDIANA
  STEUBEN COUNTY IN INDIANA

* UNTIL 550 PM EST

* AT 504 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  A POSSIBLE TORNADO 7 MILES WEST OF CORUNNA...MOVING NORTHEAST AT 55
  MPH.

* SOME LOCATIONS IN THE PATH OF THIS TORNADO ARE...
  WATERLOO
  HUDSON
  HAMILTON
  ANGOLA
  CLEAR LAKE

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. IF NO
BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM ON THE
LOWEST FLOOR AWAY FROM WINDOWS.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN NORTHERN INDIANA.

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 24, 2:50 PM EST	Severe Thunderstorm Warning	IWX	LaPorte	40 min
Oct 24, 3:06 PM EST	Severe Thunderstorm Warning	IWX	Pulaski, Starke, White	24 min
Oct 24, 3:12 PM EST	Tornado Warning	IWX	LaPorte	48 min
Oct 24, 3:27 PM EST	Severe Thunderstorm Warning	IWX	Pulaski, Starke, White	18 min
Oct 24, 3:41 PM EST	Severe Thunderstorm Warning	IWX	Cass, Fulton	49 min
Oct 24, 3:41 PM EST	Severe Thunderstorm Warning	IWX	Marshall	49 min
Oct 24, 3:46 PM EST	Tornado Warning	IWX	Saint Joseph	59 min
Oct 24, 4:06 PM EST	Severe Thunderstorm Warning	IWX	Miami, Wabash	54 min
Oct 24, 4:06 PM EST	Severe Thunderstorm Warning	IWX	Elkhart, Kosciusko	54 min
Oct 24, 4:18 PM EST	Tornado Warning	IWX	Kosciusko	62 min
Oct 24, 4:27 PM EST	Severe Thunderstorm Warning	IWX	Grant, Huntington, Whitley	63 min
Oct 24, 4:27 PM EST	Severe Thunderstorm Warning	IWX	LaGrange, Noble	63 min
Oct 24, 4:45 PM EST	Tornado Warning	IWX	Noble	45 min
Oct 24, 4:59 PM EST	Severe Thunderstorm Warning	IWX	Allen, DeKalb	51 min
Oct 24, 5:10 PM EST	Tornado Warning	IWX	Blackford, Jay, Wells	50 min
Oct 24, 5:10 PM EST	Tornado Warning	IWX	Adams	50 min

Nearby

Tornado Warnings in Indiana, 2001 Every tornado warning in 2001 Tornadoes in 2001

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.