Alert archive / Indiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 6, NWS Indianapolis, IN

April 20, 2000Madison County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 20, 2000, 6:58 AM EST for Madison County, Indiana. It was in force for 32 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
Apr 20, 2000, 6:58 AM EST (11:58 UTC)
Expired
Apr 20, 2000, 7:30 AM EST
In force
32 min
Issued by
NWS Indianapolis, IN
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Madison County, IN

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 12.0 hours before the alert went out and 177 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, Cncnati-Daytn, OH at 00:00Z on 2000-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Cncnati-Daytn, OH at 00:00Z on 2000-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1611 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
459 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 
WUUS53 KIND 201201
SVRIND
INC095-201230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
658 AM EST THU APR 20 2000

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MADISON COUNTY IN CENTRAL INDIANA
  THIS INCLUDES THE CITY OF ANDERSON

* UNTIL 730 AM EST

* AT 656 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF PENDLETON...OR ABOUT 10
  MILES SOUTHWEST OF ANDERSON...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  EDGEWOOD AT 720 AM EST
  ANDERSON AT 725 AM EST
  CHESTERFIELD AT 730 AM EST

HAIL UP TO GOLFBALL SIZE OR ONE AND THREE QUARTER INCHES IN DIAMETER HAS 
BEEN REPORTED 5 MILES SOUTHWEST OF PENDLETON WITH THIS STORM. IF YOU ARE IN
THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A SUBSTANTIAL
SHELTER.

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 3996 8587 3995 8570 4003 8558 4011 8557
          4024 8565

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 10:45 AM ESTSevere Thunderstorm WarningINDWarren30 min
Apr 20, 10:59 AM ESTSevere Thunderstorm WarningINDTippecanoe31 min
Apr 20, 11:18 AM ESTTornado WarningINDTippecanoe27 min
Apr 20, 11:34 AM ESTTornado WarningINDCarroll41 min
Apr 20, 12:50 PM ESTSevere Thunderstorm WarningINDVigo25 min
Apr 20, 1:01 PM ESTSevere Thunderstorm WarningINDClay29 min
Apr 20, 1:23 PM ESTSevere Thunderstorm WarningINDPutnam37 min
Apr 20, 1:31 PM ESTSevere Thunderstorm WarningINDClay14 min
Apr 20, 1:37 PM ESTSevere Thunderstorm WarningINDOwen38 min
Apr 20, 1:39 PM ESTSevere Thunderstorm WarningINDHendricks51 min
Apr 20, 2:37 PM ESTSevere Thunderstorm WarningINDMonroe, Morgan38 min
Apr 20, 2:58 PM ESTSevere Thunderstorm WarningINDLawrence32 min
Apr 20, 3:04 PM ESTSevere Thunderstorm WarningINDJohnson26 min
Apr 20, 3:19 PM ESTSevere Thunderstorm WarningINDShelby26 min
Apr 20, 3:48 PM ESTSevere Thunderstorm WarningINDDecatur, Rush42 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.