Alert archive / Indiana / Tornado Warnings in 2000

Tornado Warning 4, NWS Northern Indiana

April 20, 2000LaPorte County, Starke County, Indiana

NWS Northern Indiana issued this tornado warning at Apr 20, 2000, 11:32 AM CDT for LaPorte County, Starke County, Indiana. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 20, 2000, 11:32 AM CDT (16:32 UTC)
Expired: Apr 20, 2000, 12:20 PM CDT
In force: 48 min
Issued by: NWS Northern Indiana
Area: Whole counties

Counties LaPorte County, IN, Starke County, IN

The radar

The Northern Indiana radar (KIWX), 83 km from the middle of the area, began a volume at 16:36 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.

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 20, 10:00 AM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 4.5 hours before the alert went out and 213 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: 595 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 873 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 167 m²/s²
0-3 km storm-relative helicity: 147 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KIWX 201633
TORFWA
INC091-149-201720-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1132 AM CDT THU APR 20 2000

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

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

* UNTIL 1220 PM CDT(1220 PM EST)

* AT 1126 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  A POSSIBLE TORNADO 6 MILES WEST OF NORTH JUDSON...OR ABOUT 15 MILES
  SOUTHWEST OF KNOX...MOVING NORTHEAST AT 55 MPH.

* SOME LOCATIONS IN THE PATH OF THIS TORNADO ARE...  
  NORTH JUDSON
  LA CROSSE
  KNOX
  HAMLET
  KINGSFORD HEIGHTS
  KOONTZ LAKE

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. IF NO
BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR CLOSET.

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 AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM EST.
 
REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THE[Y 
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST 
OFFICE IN NORTHERN INDIANA.


JLA/TEH
NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 20, 3:58 AM CDT	Severe Thunderstorm Warning	IWX	Pulaski	32 min
Apr 20, 4:54 AM CDT	Severe Thunderstorm Warning	IWX	Marshall	46 min
Apr 20, 5:21 AM CDT	Severe Thunderstorm Warning	IWX	Elkhart, Kosciusko	29 min
Apr 20, 10:53 AM CDT	Tornado Warning	IWX	Pulaski, White	57 min
Apr 20, 11:08 AM CDT	Tornado Warning	IWX	White	42 min
Apr 20, 11:20 AM CDT	Tornado Warning	IWX	Cass, Fulton	60 min
Apr 20, 11:48 AM CDT	Severe Thunderstorm Warning	IWX	Elkhart, Saint Joseph	42 min
Apr 20, 11:51 AM CDT	Severe Thunderstorm Warning	IWX	Marshall	49 min
Apr 20, 11:56 AM CDT	Tornado Warning	IWX	Kosciusko	44 min
Apr 20, 12:02 PM CDT	Tornado Warning	IWX	Miami	48 min
Apr 20, 12:37 PM CDT	Tornado Warning	IWX	Kosciusko	33 min
Apr 20, 12:44 PM CDT	Severe Thunderstorm Warning	IWX	Noble, Whitley	46 min
Apr 20, 1:02 PM CDT	Severe Thunderstorm Warning	IWX	LaGrange	48 min
Apr 20, 1:06 PM CDT	Severe Thunderstorm Warning	IWX	DeKalb, Steuben	54 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.