Alert archive / Indiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 124, NWS Indianapolis, IN

August 17, 2000Montgomery County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 17, 2000, 6:29 PM EST for Montgomery County, Indiana. It was in force for 31 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 17, 2000, 6:29 PM EST (23:29 UTC)
Expired: Aug 17, 2000, 7:00 PM EST
In force: 31 min
Issued by: NWS Indianapolis, IN
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Montgomery County, IN

The radar

The Indianapolis radar (KIND), 71 km from the middle of the area, began a volume at 23:30 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.

Issued	Product	Office	Lasted
Aug 17, 4:45 PM EST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.5 hours before the alert went out and 141 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: 454 J/kg
Mixed-layer CIN: -313 J/kg
Mixed-layer LCL: 1095 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 497 m²/s²
0-3 km storm-relative helicity: 556 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.6

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KIND 172329
SVRIND
INC107-180000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
629 PM EST THU AUG 17 2000

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MONTGOMERY COUNTY IN WEST CENTRAL INDIANA
  THIS INCLUDES THE CITY OF CRAWFORDSVILLE

* UNTIL 700 PM EST

* AT 625 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER LINDEN...OR ABOUT 6 MILES NORTH OF
  CRAWFORDSVILLE...MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CRAWFORDSVILLE AT 630 PM EST 
  DARLINGTON AT 635 PM EST
  LADOGA AT 640 PM EST

THE MAIN THREAT FROM THIS STORM WILL BE LARGE HAIL.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...DESTRUCTIVE HAIL...
DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY AND ASK
THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN INDIANAPOLIS.

LAT...LON 4021 8708 3990 8708 3989 8675 4022 8675

PUMA/JS

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 17, 4:15 PM EST	Severe Thunderstorm Warning	IND	Montgomery	45 min
Aug 17, 4:55 PM EST	Tornado Warning	IND	Montgomery	35 min
Aug 17, 5:18 PM EST	Tornado Warning	IND	Putnam	27 min
Aug 17, 5:27 PM EST	Severe Thunderstorm Warning	IND	Hendricks	48 min
Aug 17, 5:30 PM EST	Severe Thunderstorm Warning	IND	Boone, Montgomery	45 min
Aug 17, 6:12 PM EST	Severe Thunderstorm Warning	IND	Hendricks	33 min
Aug 17, 6:13 PM EST	Severe Thunderstorm Warning	IND	Fountain	32 min
Aug 17, 6:22 PM EST	Tornado Warning	IND	Hendricks	23 min
Aug 17, 6:24 PM EST	Severe Thunderstorm Warning	IND	Marion, Morgan	36 min
Aug 17, 6:37 PM EST	Severe Thunderstorm Warning	IND	Johnson	23 min
Aug 17, 6:44 PM EST	Severe Thunderstorm Warning	IND	Hendricks	31 min
Aug 17, 6:59 PM EST	Severe Thunderstorm Warning	IND	Johnson, Marion	31 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.