Alert archive / Indiana / Tornado Warnings in 2001

Tornado Warning 1, NWS Northern Indiana

April 9, 2001Cass County, Miami County, Indiana

NWS Northern Indiana issued this tornado warning at Apr 9, 2001, 6:42 PM EST for Cass County, Miami County, Indiana. It was in force for 38 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: Apr 9, 2001, 6:42 PM EST (23:42 UTC)
Expired: Apr 9, 2001, 7:20 PM EST
In force: 38 min
Issued by: NWS Northern Indiana
Area: Whole counties

Counties Cass County, IN, Miami County, IN

The radar

The Northern Indiana radar (KIWX), 78 km from the middle of the area, began a volume at 23:44 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
Apr 9, 6:50 PM EST	Hail 0.75	Lake Cicott, IN
Apr 9, 7:00 PM EST	Thunderstorm Wind	Peru, IN	Several homes sustained window and siding damage due to the hail and high winds.
Apr 9, 7:03 PM EST	Hail 1.75	Erie, 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
Apr 9, 6:15 PM EST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.7 hours before the alert went out and 215 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: 1099 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 147 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 KIWX 092342
TORFWA
INC017-103-100015-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
642 PM EST MON APR 9 2001

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN CASS COUNTY IN INDIANA
  NORTHERN MIAMI COUNTY IN INDIANA

* UNTIL 720 PM EST

* AT 642 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  A POSSIBLE TORNADO 6 MILES WEST OF MACY...MOVING EAST AT 40 MPH.

* SOME LOCATIONS IN THE PATH OF THIS TORNADO ARE...
  MEXICO
  DENVER
  TWELVE MILE

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. IF NO
BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM dON 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
Apr 8, 11:17 PM EST	Severe Thunderstorm Warning	IWX	Elkhart, LaGrange	33 min
Apr 9, 6:47 AM EST	Severe Thunderstorm Warning	IWX	Saint Joseph	43 min
Apr 9, 5:19 PM EST	Severe Thunderstorm Warning	IWX	Cass, Miami	31 min
Apr 9, 5:43 PM EST	Severe Thunderstorm Warning	IWX	Grant, Wabash	47 min
Apr 9, 5:48 PM EST	Severe Thunderstorm Warning	IWX	Pulaski	62 min
Apr 9, 5:52 PM EST	Severe Thunderstorm Warning	IWX	Miami	28 min
Apr 9, 6:19 PM EST	Severe Thunderstorm Warning	IWX	Huntington	61 min
Apr 9, 6:22 PM EST	Severe Thunderstorm Warning	IWX	Cass, Fulton	58 min
Apr 9, 6:32 PM EST	Severe Thunderstorm Warning	IWX	Wabash	18 min
Apr 9, 6:41 PM EST	Severe Thunderstorm Warning	IWX	Grant	39 min
Apr 9, 6:55 PM EST	Tornado Warning	IWX	Blackford, Grant	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.