Alert archive / Indiana / Severe Thunderstorm Watches in 1997
Severe Thunderstorm Watch 663
The Storm Prediction Center issued this severe thunderstorm watch at Jul 27, 1997, 2:30 PM EST for 43 counties in Indiana; 29 counties in Ohio. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 27, 1997, 2:30 PM EST (19:30 UTC)
- Expired
- Jul 27, 1997, 9:00 PM EST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 72 counties
Adams County, IN, Allen County, IN, Bartholomew County, IN, Benton County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Cass County, IN, Clinton County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jackson County, IN, Jay County, IN, Johnson County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Miami County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Tippecanoe County, IN, Tipton County, IN, Union County, IN, Wabash County, IN, Wayne County, IN, Wells County, IN, White County, IN, Whitley County, IN, Allen County, OH, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Darke County, OH, Defiance County, OH, Delaware County, OH, Franklin County, OH, Fulton County, OH, Greene County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Logan County, OH, Madison County, OH, Marion County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Paulding County, OH, Preble County, OH, Putnam County, OH, Shelby County, OH, Union County, OH, Van Wert County, OH, Warren County, OH, Wood County, OH, Wyandot County, OH
The radar
The Indianapolis radar (KIND), 99 km from the middle of the area, began a volume at 19:32 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
12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 2:31 PM EST | Severe Thunderstorm Warning | IWX | Huntington | 59 min |
| Jul 27, 2:47 PM EST | Severe Thunderstorm Warning | IND | Clinton | 58 min |
| Jul 27, 2:49 PM EST | Severe Thunderstorm Warning | IWX | Adams, Wells | 56 min |
| Jul 27, 3:33 PM EST | Severe Thunderstorm Warning | ILN | Mercer | 47 min |
| Jul 27, 3:37 PM EST | Severe Thunderstorm Warning | ILN | Shelby | 38 min |
| Jul 27, 3:46 PM EST | Severe Thunderstorm Warning | ILN | Darke, Miami | 44 min |
| Jul 27, 3:50 PM EST | Severe Thunderstorm Warning | IND | Rush | 40 min |
| Jul 27, 4:26 PM EST | Severe Thunderstorm Warning | IND | Hamilton, Marion | 49 min |
| Jul 27, 4:29 PM EST | Severe Thunderstorm Warning | ILN | Hardin | 46 min |
| Jul 27, 4:45 PM EST | Severe Thunderstorm Warning | ILN | Montgomery | 50 min |
| Jul 27, 4:58 PM EST | Severe Thunderstorm Warning | ILN | Butler | 47 min |
| Jul 27, 5:36 PM EST | Severe Thunderstorm Warning | ILN | Delaware | 49 min |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.5 hours before the alert went out and 176 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
- 2569 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 889 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 9.5
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 |
|---|---|---|---|---|
| Jul 26, 7:15 PM EST | Severe Thunderstorm Watch | SPC | Allen, Blackford, DeKalb, Elkhart, Fulton, Huntington and 15 more | 6 hr |
| Jul 27, 8:45 AM EST | Severe Thunderstorm Watch | SPC | Lake, Porter | 4 hr |
| Jul 27, 11:45 AM EST | Severe Thunderstorm Watch | SPC | Allen, DeKalb, Elkhart, Fulton, Kosciusko, LaGrange and 7 more | 6 hr |
| Jul 27, 6:00 PM EST | Severe Thunderstorm Watch | SPC | Athens, Belmont, Carroll, Coshocton, Fairfield, Franklin and 22 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Indiana, 1997Severe Thunderstorm Watches in Ohio, 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; radar from the NEXRAD Level II archive.