Alert archive / Indiana / Tornado Warnings in 2000

Tornado Warning 8, NWS Chicago, IL

May 12, 2000Jasper County, Indiana

NWS Chicago, IL issued this tornado warning at May 12, 2000, 5:57 PM CDT for Jasper County, Indiana. It was in force for 18 min. No storm report in the archive falls 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.

The facts

Issued
May 12, 2000, 5:57 PM CDT (22:57 UTC)
Expired
May 12, 2000, 6:15 PM CDT
In force
18 min
Issued by
NWS Chicago, IL
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Jasper County, IN

The radar

The Chicago radar (KLOT), 99 km from the middle of the area, began a volume at 22:52 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.

IssuedProductOfficeLasted
May 12, 2:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.0 hours before the alert went out and 171 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-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2000-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2035 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2000-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 283 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
2035 J/kg
Mixed-layer CIN
-305 J/kg
Mixed-layer LCL
1023 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
283 m²/s²
0-3 km storm-relative helicity
282 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLOT 122259
TORCHI
INC073-122315-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHICAGO IL
557 PM CDT FRI MAY 12 2000

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A

* TORNADO WARNING FOR...
  JASPER COUNTY IN NORTHWEST INDIANA

* UNTIL 615 PM CDT

* AT 557 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 5 MILES SOUTHWEST OF
  WHEATFIELD...OR ABOUT 7 MILES SOUTHEAST OF DE MOTTE...MOVING EAST
  AT 45 MPH. A FUNNEL CLOUD HAS BEEN REPORTED WITH THIS STORM, WHICH
  COULD PRODUCE A TORNADO AT ANY TIME. THIS IS A CONTINUATION OF THE EARLIER 
  TORNADO WARNING FOR JASPER COUNTY.

* SOME LOCATIONS THREATENED THROUGH 615 PM CDT INCLUDE WHEATFIELD.

THIS IS A DANGEROUS STORM. MOVE INTO YOUR TORNADO SHELTER NOW!

LAT...LON 4121 8717 4104 8712 4106 8693 4125 8692

FISHER

NNNN

The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 12, 4:25 PM CDTSevere Thunderstorm WarningLOTLake, Porter35 min
May 12, 5:20 PM CDTTornado WarningLOTJasper, Newton40 min
May 12, 6:14 PM CDTSevere Thunderstorm WarningLOTLake, Newton61 min
May 12, 6:19 PM CDTSevere Thunderstorm WarningLOTJasper, Porter26 min

Nearby

Tornado Warnings in Indiana, 2000Every tornado warning in 2000Tornadoes 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.