Alert archive / Indiana / Tornado Watches in 2000
Tornado Watch 301
The Storm Prediction Center issued this tornado watch at May 18, 2000, 11:00 AM EST for 56 counties in Indiana. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 18, 2000, 11:00 AM EST (16:00 UTC)
- Expired
- May 18, 2000, 4:00 PM EST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 56 counties
Adams County, IN, Allen County, IN, Benton County, IN, Blackford County, IN, Boone County, IN, Carroll County, IN, Cass County, IN, Clinton County, IN, DeKalb County, IN, Delaware County, IN, Elkhart County, IN, Fayette County, IN, Fountain County, IN, Fulton County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jasper County, IN, Jay County, IN, Johnson County, IN, Kosciusko County, IN, LaGrange County, IN, Lake County, IN, LaPorte County, IN, Madison County, IN, Marion County, IN, Marshall County, IN, Miami County, IN, Montgomery County, IN, Morgan County, IN, Newton County, IN, Noble County, IN, Parke County, IN, Porter County, IN, Pulaski County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Saint Joseph County, IN, Shelby County, IN, Starke County, IN, Steuben County, IN, Tippecanoe County, IN, Tipton County, IN, Union County, IN, Vermillion County, IN, Wabash County, IN, Warren County, IN, Wayne County, IN, Wells County, IN, White County, IN, Whitley County, IN
The radar
The Northern Indiana radar (KIWX), 82 km from the middle of the area, began a volume at 16:02 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.
Warnings issued inside it
15 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 11:16 AM EST | Severe Thunderstorm Warning | IND | Montgomery | 14 min |
| May 18, 11:31 AM EST | Severe Thunderstorm Warning | IND | Boone | 44 min |
| May 18, 11:40 AM EST | Severe Thunderstorm Warning | IND | Fountain, Vermillion | 35 min |
| May 18, 12:07 PM EST | Severe Thunderstorm Warning | IND | Montgomery | 38 min |
| May 18, 12:29 PM EST | Severe Thunderstorm Warning | IND | Delaware | 46 min |
| May 18, 12:36 PM EST | Severe Thunderstorm Warning | IND | Fountain | 24 min |
| May 18, 12:49 PM EST | Severe Thunderstorm Warning | IND | Montgomery, Tippecanoe | 26 min |
| May 18, 1:09 PM EST | Severe Thunderstorm Warning | IND | Clinton | 36 min |
| May 18, 1:15 PM EST | Severe Thunderstorm Warning | IND | Boone, Hamilton | 45 min |
| May 18, 1:29 PM EST | Severe Thunderstorm Warning | IND | Howard, Tipton | 46 min |
| May 18, 1:32 PM EST | Severe Thunderstorm Warning | IND | Madison | 43 min |
| May 18, 1:52 PM EST | Severe Thunderstorm Warning | IND | Delaware | 38 min |
| May 18, 2:00 PM EST | Severe Thunderstorm Warning | IND | Henry | 45 min |
| May 18, 2:10 PM EST | Severe Thunderstorm Warning | IND | Randolph | 35 min |
| May 18, 2:24 PM EST | Severe Thunderstorm Warning | IWX | Grant | 46 min |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 4.0 hours before the alert went out and 199 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
- 557 J/kg
- Mixed-layer CIN
- -308 J/kg
- Mixed-layer LCL
- 1218 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 328 m²/s²
- 0-3 km storm-relative helicity
- 351 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
327 WWUS9 KMKC 181531 SEL1 SEL1 MKC WW 181531 INZ000-182100- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 301 STORM PREDICTION CENTER NORMAN OK 1031 AM EST THU MAY 18 2000 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF NORTHERN AND CENTRAL INDIANA EFFECTIVE THIS THURSDAY MORNING AND AFTERNOON FROM 1100 AM UNTIL 400 PM EST. TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES WEST NORTHWEST OF LAFAYETTE INDIANA TO 30 MILES SOUTHEAST OF FORT WAYNE INDIANA. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. DISCUSSION...RAPID DEVELOPMENT OF SEVERE THUNDERSTORMS HAS OCCURRED IN ECENTRAL IL WHERE AIRMASS MODERATELY UNSTABLE AND CAP IS WEAK. WITH LOCAL VAD PROFILES AND MODELS INDICATING STRONG VEERING SHEAR PROFILES...CONDITIONS ARE FAVORABLE FOR DEVELOPMENT OF TORNADIC SUPERCELLS AS STORMS MOVE/DEVELOPMENT INTO INDIANA. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR 25035. ...HALES 414,0873 414,0844 393,0844 392,0873
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 1:30 PM EST | Severe Thunderstorm Watch | SPC | Adams, Allen, DeKalb, LaGrange, Noble, Steuben | 6 hr |
| May 18, 6:00 PM EST | Tornado Watch | SPC | Benton, Carroll, Cass, Fountain, Fulton, Jasper and 15 more | 5 hr |
Nearby
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.