Alert archive / Indiana / Severe Thunderstorm Watches in 1997
Severe Thunderstorm Watch 294
The Storm Prediction Center issued this severe thunderstorm watch at May 18, 1997, 1:30 PM EST for 49 counties in Indiana; 13 counties in Michigan; 20 counties in Ohio. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 18, 1997, 1:30 PM EST (18:30 UTC)
- Expired
- May 18, 1997, 7:00 PM EST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 82 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, 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, 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, Newton County, IN, Noble County, IN, Parke County, IN, Porter County, IN, Pulaski County, IN, Randolph County, IN, Saint Joseph County, IN, Starke County, IN, Steuben County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Wabash County, IN, Warren County, IN, Wayne County, IN, Wells County, IN, White County, IN, Whitley County, IN, Allegan County, MI, Berrien County, MI, Branch County, MI, Calhoun County, MI, Cass County, MI, Hillsdale County, MI, Jackson County, MI, Kalamazoo County, MI, Lenawee County, MI, Monroe County, MI, Saint Joseph County, MI, Van Buren County, MI, Washtenaw County, MI, Allen County, OH, Auglaize County, OH, Champaign County, OH, Clark County, OH, Darke County, OH, Defiance County, OH, Fulton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Logan County, OH, Lucas County, OH, Mercer County, OH, Miami County, OH, Paulding County, OH, Putnam County, OH, Shelby County, OH, Van Wert County, OH, Williams County, OH, Wood County, OH
Warnings issued inside it
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 1:46 PM EST | Severe Thunderstorm Warning | ILN | Allen, Hardin | 29 min |
| May 18, 2:11 PM EST | Severe Thunderstorm Warning | CLE | Hancock | 49 min |
| May 18, 2:18 PM EST | Severe Thunderstorm Warning | IWX | DeKalb | 27 min |
| May 18, 2:51 PM EST | Severe Thunderstorm Warning | IWX | Defiance | 39 min |
| May 18, 2:56 PM EST | Severe Thunderstorm Warning | CLE | Wood | 49 min |
| May 18, 3:19 PM EST | Severe Thunderstorm Warning | ILN | Allen | 41 min |
| May 18, 4:00 PM EST | Severe Thunderstorm Warning | ILN | Clark | 30 min |
| May 18, 4:18 PM EST | Severe Thunderstorm Warning | ILN | Champaign | 27 min |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 6.5 hours before the alert went out and 256 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1368 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 2:45 PM EST | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Belmont, Carroll, Columbiana, Coshocton and 32 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Indiana, 1997Severe Thunderstorm Watches in Ohio, 1997Severe Thunderstorm Watches in Michigan, 1997Every severe thunderstorm watch in 1997
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.