Alert archive / Indiana / Tornado Warnings in 2001

Tornado Warning 13, NWS Northern Indiana

July 4, 2001LaPorte County, Starke County, Indiana

NWS Northern Indiana issued this tornado warning at Jul 4, 2001, 2:04 PM CDT for LaPorte County, Starke County, Indiana. It was in force for 46 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: Jul 4, 2001, 2:04 PM CDT (19:04 UTC)
Expired: Jul 4, 2001, 2:50 PM CDT
In force: 46 min
Issued by: NWS Northern Indiana
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties LaPorte County, IN, Starke County, IN

The radar

The Northern Indiana radar (KIWX), 88 km from the middle of the area, began a volume at 19:05 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
Jul 4, 2:07 PM CDT	Hail 0.88	Toto, 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 nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 7.1 hours before the alert went out and 315 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: 1787 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 833 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 38 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.

009 
WFUS53 KIWX 041908
TORFWA
INC091-149-041950-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
204 PM EST WED JUL 4 2001

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN LA PORTE COUNTY IN INDIANA
  STARKE COUNTY IN INDIANA

* UNTIL 250 PM EST(250 PM CDT)

* AT 204 PM EST(204 PM CDT)...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED A A POSSIBLE TORNADO 10 MILES WEST OF KNOX...MOVING
  SOUTHEAST AT 20 MPH.

* SOME LOCATIONS IN THE PATH OF THIS TORNADO ARE...
  THOMASTON
  KNOX
  TOTO
  WINONA

IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IN A BASEMENT OR
INTERIOR ROOM ON THE LOWEST FLOOR. VEHICLES AND MOBILE HOMES SHOULD
BE ABANDONED FOR A SAFER SHELTER.

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.

LAT...LON 4136 8692 4120 8690 4121 8650 4139 8649

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 4, 5:03 AM CDT	Severe Thunderstorm Warning	IWX	Marshall, Starke	37 min
Jul 4, 6:59 AM CDT	Severe Thunderstorm Warning	IWX	Elkhart, Saint Joseph	51 min
Jul 4, 1:40 PM CDT	Severe Thunderstorm Warning	IWX	LaPorte, Starke	50 min
Jul 4, 2:50 PM CDT	Severe Thunderstorm Warning	IWX	Pulaski, Starke	50 min
Jul 4, 3:01 PM CDT	Tornado Warning	IWX	Pulaski	39 min
Jul 4, 3:14 PM CDT	Tornado Warning	IWX	Cass, Fulton	46 min
Jul 4, 3:46 PM CDT	Severe Thunderstorm Warning	IWX	Cass	54 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.