Alert archive / Indiana / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 10, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 20, 2000, 1:01 PM EST for Clay County, Indiana. It was in force for 29 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 20, 2000, 1:01 PM EST (18:01 UTC)
- Expired
- Apr 20, 2000, 1:30 PM EST
- In force
- 29 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Clay County, IN
The radar
The Indianapolis radar (KIND), 80 km from the middle of the area, began a volume at 18:02 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 20, 1:15 PM EST | Thunderstorm Wind 50 E | Clay City, IN |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 20, 10:00 AM EST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 6.0 hours before the alert went out and 152 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.
- Mixed-layer CAPE
- 595 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 873 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KIND 201809 COR SVRIND INC021-201830- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 101 PM EST THU APR 20 2000 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CLAY COUNTY IN WEST CENTRAL INDIANA * UNTIL 130 PM EST * AT 1257 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTH OF STAUNTON...OR ABOUT 11 MILES EAST OF TERRE HAUTE...MOVING NORTHEAST AT 55 MPH. A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. PREPARE TO MOVE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED. 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 3919 8724 3919 8713 3945 8698 3961 8724 CORRECTION TO SPEED OF STORM
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 6:58 AM EST | Severe Thunderstorm Warning | IND | Madison | 32 min |
| Apr 20, 10:45 AM EST | Severe Thunderstorm Warning | IND | Warren | 30 min |
| Apr 20, 10:59 AM EST | Severe Thunderstorm Warning | IND | Tippecanoe | 31 min |
| Apr 20, 11:18 AM EST | Tornado Warning | IND | Tippecanoe | 27 min |
| Apr 20, 11:34 AM EST | Tornado Warning | IND | Carroll | 41 min |
| Apr 20, 12:50 PM EST | Severe Thunderstorm Warning | IND | Vigo | 25 min |
| Apr 20, 1:23 PM EST | Severe Thunderstorm Warning | IND | Putnam | 37 min |
| Apr 20, 1:31 PM EST | Severe Thunderstorm Warning | IND | Clay | 14 min |
| Apr 20, 1:37 PM EST | Severe Thunderstorm Warning | IND | Owen | 38 min |
| Apr 20, 1:39 PM EST | Severe Thunderstorm Warning | IND | Hendricks | 51 min |
| Apr 20, 2:37 PM EST | Severe Thunderstorm Warning | IND | Monroe, Morgan | 38 min |
| Apr 20, 2:58 PM EST | Severe Thunderstorm Warning | IND | Lawrence | 32 min |
| Apr 20, 3:04 PM EST | Severe Thunderstorm Warning | IND | Johnson | 26 min |
| Apr 20, 3:19 PM EST | Severe Thunderstorm Warning | IND | Shelby | 26 min |
| Apr 20, 3:48 PM EST | Severe Thunderstorm Warning | IND | Decatur, Rush | 42 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.