Alert archive / Indiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 99, NWS Indianapolis, IN

August 6, 2000Delaware County, Madison County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 6, 2000, 8:55 PM EST for Delaware County, Madison County, Indiana. It was in force for 35 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
Aug 6, 2000, 8:55 PM EST (01:55 UTC)
Expired
Aug 6, 2000, 9:30 PM EST
In force
35 min
Issued by
NWS Indianapolis, IN
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Delaware County, IN, Madison County, IN

The radar

The Indianapolis radar (KIND), 71 km from the middle of the area, began a volume at 01:58 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
Aug 6, 5:30 PM ESTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.9 hours before the alert went out and 180 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 2000-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1953 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, Cncnati-Daytn, OH at 00:00Z on 2000-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 174 square meters per square second.193958Sfc1 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
1953 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
1226 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
174 m²/s²
0-3 km storm-relative helicity
267 m²/s²
Significant tornado parameter
1.0
Supercell composite
14.4

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KIND 070155
SVRIND
INC035-095-070230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
855 PM EST SUN AUG 6 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
  WESTERN DELAWARE COUNTY IN EAST CENTRAL INDIANA

* UNTIL 930 PM EST

* AT 852 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER ANDERSON...MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CHESTERFIELD AT 905 PM EST
  DALEVILLE AT 910 PM EST
  GASTON AT 920 PM EST
  YORKTOWN AT 925 PM EST

* OTHER LOCATIONS IN THE WARNING INCLUDE WOODLAWN HEIGHTS...RIVER
  FOREST...EDGEWOOD AND COUNTRY CLUB HEIGHTS

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 4012 8588 4003 8573 4016 8542 4033 8549
SE/SH

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 8:50 PM ESTSevere Thunderstorm WarningINDParke, Vermillion25 min
Aug 6, 10:11 PM ESTSevere Thunderstorm WarningINDMarion49 min
Aug 6, 10:12 PM ESTSevere Thunderstorm WarningINDPutnam33 min
Aug 6, 10:19 PM ESTSevere Thunderstorm WarningINDHancock, Shelby26 min
Aug 6, 10:43 PM ESTSevere Thunderstorm WarningINDHancock, Henry, Rush32 min
Aug 6, 10:54 PM ESTSevere Thunderstorm WarningINDMorgan36 min
Aug 6, 11:08 PM ESTSevere Thunderstorm WarningINDJohnson37 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; radar from the NEXRAD Level II archive.