Alert archive / Indiana / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 678
The Storm Prediction Center issued this severe thunderstorm watch at Aug 18, 2001, 4:45 PM CDT for 4 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 18, 2001, 4:45 PM CDT (21:45 UTC)
- Expired
- Aug 18, 2001, 10:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 99 counties
Crawford County, IL, Edwards County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Lawrence County, IL, Richland County, IL, Saline County, IL, Wabash County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Adams County, IN, Allen County, IN, Bartholomew County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Clay County, IN, Crawford County, IN, Daviess County, IN, Decatur County, IN, Delaware County, IN, Dubois County, IN, Fayette County, IN, Franklin County, IN, Gibson County, IN, Grant County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Huntington County, IN, Jackson County, IN, Jay County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Morgan County, IN, Orange County, IN, Owen County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Putnam County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Spencer County, IN, Sullivan County, IN, Tipton County, IN, Union County, IN, Vanderburgh County, IN, Warrick County, IN, Washington County, IN, Wayne County, IN, Wells County, IN, Daviess County, KY, Hancock County, KY, Henderson County, KY, McLean County, KY, Union County, KY, Webster County, KY, Allen County, OH, Auglaize County, OH, Crawford County, OH, Darke County, OH, Defiance County, OH, Erie County, OH, Fulton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Huron County, OH, Logan County, OH, Lorain County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Ottawa County, OH, Paulding County, OH, Preble County, OH, Putnam County, OH, Sandusky County, OH, Seneca County, OH, Shelby County, OH, Van Wert County, OH, Williams County, OH, Wood County, OH, Wyandot County, OH
The radar
The Indianapolis radar (KIND), 66 km from the middle of the area, began a volume at 21:45 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
25 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 4:51 PM CDT | Severe Thunderstorm Warning | IWX | Allen, Huntington, Wells | 39 min |
| Aug 18, 5:03 PM CDT | Severe Thunderstorm Warning | IND | Clay, Owen, Putnam | 42 min |
| Aug 18, 5:12 PM CDT | Severe Thunderstorm Warning | IWX | Blackford | 28 min |
| Aug 18, 5:15 PM CDT | Severe Thunderstorm Warning | ILX | Crawford | 60 min |
| Aug 18, 5:23 PM CDT | Tornado Warning | IWX | Allen | 27 min |
| Aug 18, 5:37 PM CDT | Severe Thunderstorm Warning | IWX | Adams | 53 min |
| Aug 18, 5:46 PM CDT | Severe Thunderstorm Warning | IND | Clay, Owen, Putnam | 44 min |
| Aug 18, 5:46 PM CDT | Severe Thunderstorm Warning | IND | Morgan | 44 min |
| Aug 18, 5:56 PM CDT | Severe Thunderstorm Warning | IND | Knox, Sullivan | 34 min |
| Aug 18, 6:07 PM CDT | Severe Thunderstorm Warning | ILN | Darke, Mercer | 38 min |
| Aug 18, 6:17 PM CDT | Severe Thunderstorm Warning | PAH | Franklin | 43 min |
| Aug 18, 6:23 PM CDT | Severe Thunderstorm Warning | ILN | Wayne | 37 min |
| Aug 18, 6:30 PM CDT | Severe Thunderstorm Warning | ILX | Crawford | 60 min |
| Aug 18, 6:30 PM CDT | Severe Thunderstorm Warning | IND | Johnson, Morgan | 30 min |
| Aug 18, 6:34 PM CDT | Severe Thunderstorm Warning | IND | Monroe, Owen | 26 min |
| Aug 18, 6:37 PM CDT | Severe Thunderstorm Warning | ILN | Auglaize, Shelby | 23 min |
| Aug 18, 6:40 PM CDT | Severe Thunderstorm Warning | PAH | Hamilton | 50 min |
| Aug 18, 7:00 PM CDT | Severe Thunderstorm Warning | ILN | Miami | 45 min |
| Aug 18, 7:37 PM CDT | Severe Thunderstorm Warning | PAH | Franklin, Hamilton | 38 min |
| Aug 18, 7:51 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 54 min |
| Aug 18, 7:52 PM CDT | Severe Thunderstorm Warning | IND | Daviess, Knox | 28 min |
| Aug 18, 8:09 PM CDT | Severe Thunderstorm Warning | PAH | Hamilton, White | 66 min |
| Aug 18, 8:23 PM CDT | Severe Thunderstorm Warning | PAH | Pike | 52 min |
| Aug 18, 8:36 PM CDT | Severe Thunderstorm Warning | PAH | Franklin, Jackson, Williamson | 54 min |
| Aug 18, 8:56 PM CDT | Severe Thunderstorm Warning | LMK | Orange, Washington | 34 min |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 9.8 hours before the alert went out and 204 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
- 192 J/kg
- Mixed-layer CIN
- -146 J/kg
- Mixed-layer LCL
- 1002 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 |
|---|---|---|---|---|
| Aug 18, 12:30 PM CDT | Tornado Watch | SPC | Champaign, Christian, DeWitt, Douglas, Edgar, Ford and 12 more | 6 hr |
| Aug 18, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Christian, Clark, Clay, Clinton and 21 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Indiana, 2001Severe Thunderstorm Watches in Ohio, 2001Severe Thunderstorm Watches in Illinois, 2001Every severe thunderstorm watch in 2001
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.