Alert archive / Indiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 50, NWS Indianapolis, IN

May 12, 2000Knox County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 12, 2000, 10:11 PM EST for Knox County, Indiana. It was in force for 34 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, 10:11 PM EST (03:11 UTC)
Expired
May 12, 2000, 10:45 PM EST
In force
34 min
Issued by
NWS Indianapolis, IN
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Knox County, IN

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 12, 6:30 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 3.2 hours before the alert went out and 192 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 00:00Z on 2000-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 162 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2000-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 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
162 J/kg
Mixed-layer CIN
-342 J/kg
Mixed-layer LCL
528 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.5

Open this sounding in Storm Lab

The text

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

209 
WUUS53 KIND 130312
SVRIND
INC083-130345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1011 PM EST FRI MAY 12 2000

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN KNOX COUNTY IN SOUTHWEST INDIANA
  THIS INCLUDES THE CITY OF VINCENNES

* UNTIL 1045 PM EST

* AT 1008 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 11 MILES WEST OF DECKER...OR ABOUT 13 MILES
  SOUTHWEST OF VINCENNES...MOVING NORTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DECKER AT 1020 PM EST
  VINCENNES AT 1025 PM EST
  MONROE CITY AT 1030 PM EST
  WHEATLAND AT 1035 PM EST

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EST SATURDAY MORNING
FOR INDIANA.

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

LAT...LON 3852 8810 3839 8794 3857 8725 3877 8729

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 12, 7:10 PM ESTSevere Thunderstorm WarningINDTippecanoe35 min
May 12, 7:17 PM ESTSevere Thunderstorm WarningINDFountain28 min
May 12, 7:22 PM ESTSevere Thunderstorm WarningINDFountain, Vermillion38 min
May 12, 7:37 PM ESTSevere Thunderstorm WarningINDCarroll38 min
May 12, 7:40 PM ESTSevere Thunderstorm WarningINDClinton35 min
May 12, 7:48 PM ESTSevere Thunderstorm WarningINDMontgomery, Tippecanoe27 min
May 12, 8:16 PM ESTSevere Thunderstorm WarningINDClinton29 min
May 12, 8:24 PM ESTSevere Thunderstorm WarningINDParke, Vermillion, Vigo36 min
May 12, 8:24 PM ESTSevere Thunderstorm WarningINDClay36 min
May 12, 8:31 PM ESTSevere Thunderstorm WarningINDHoward, Tipton29 min
May 12, 9:00 PM ESTSevere Thunderstorm WarningINDSullivan, Vigo30 min
May 12, 9:06 PM ESTSevere Thunderstorm WarningINDClay, Putnam24 min
May 12, 9:18 PM ESTSevere Thunderstorm WarningINDClay, Greene27 min
May 12, 10:41 PM ESTSevere Thunderstorm WarningINDKnox19 min
May 12, 11:16 PM ESTSevere Thunderstorm WarningINDGreene, Lawrence, Monroe29 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2000Every severe thunderstorm warning 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.