Alert archive / Indiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 111, NWS Indianapolis, IN

August 9, 2000Jackson County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 9, 2000, 8:46 AM EST for Jackson County, Indiana. It was in force for 29 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 9, 2000, 8:46 AM EST (13:46 UTC)
Expired: Aug 9, 2000, 9:15 AM EST
In force: 29 min
Issued by: NWS Indianapolis, IN
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Jackson County, IN

The radar

The Indianapolis radar (KIND), 87 km from the middle of the area, began a volume at 13:49 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 1.8 hours before the alert went out and 206 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: 2404 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 656 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 188 m²/s²
0-3 km storm-relative helicity: 197 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 8.6

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KIND 091348
SVRIND
INC071-091415-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
846 AM EST WED AUG 9 2000

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JACKSON COUNTY IN SOUTH CENTRAL INDIANA
  THIS INCLUDES THE CITY OF SEYMOUR

* UNTIL 915 AM EST

* AT 844 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM ABOUT 15 MILES NORTHEAST OF BEDFORD NEAR ZELMA
  ...MOVING SOUTHEAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MEDORA AT 855 AM EST
  BROWNSTOWN AT 905 AM EST
  SEYMOUR AT 910 AM EST

WINDS TO 60 MPH ARE EXPECTED WITH <THESE STORMS.

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 3902 8628 3881 8627 3881 8583 3903 8584
DT/JTC

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 6:57 AM EST	Severe Thunderstorm Warning	IND	Howard	33 min
Aug 9, 7:42 AM EST	Severe Thunderstorm Warning	IND	Hancock, Marion	33 min
Aug 9, 7:42 AM EST	Severe Thunderstorm Warning	IND	Madison	33 min
Aug 9, 7:56 AM EST	Severe Thunderstorm Warning	IND	Delaware	19 min
Aug 9, 7:59 AM EST	Severe Thunderstorm Warning	IND	Randolph	31 min
Aug 9, 3:20 PM EST	Severe Thunderstorm Warning	IND	Henry	25 min
Aug 9, 4:24 PM EST	Severe Thunderstorm Warning	IND	Rush	36 min
Aug 9, 5:00 PM EST	Severe Thunderstorm Warning	IND	Rush	15 min
Aug 9, 6:22 PM EST	Severe Thunderstorm Warning	IND	Decatur	38 min
Aug 9, 6:52 PM EST	Severe Thunderstorm Warning	IND	Bartholomew	38 min
Aug 9, 6:55 PM EST	Severe Thunderstorm Warning	IND	Decatur	35 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2000 Every 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.