Alert archive / Indiana / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 68
The Storm Prediction Center issued this severe thunderstorm watch at Mar 20, 2003, 2:05 PM EST for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 20, 2003, 2:05 PM EST (19:05 UTC)
- Expired
- Mar 20, 2003, 8:00 PM EST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 76 counties
Adams County, IN, Allen County, IN, Bartholomew County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Cass County, IN, Clinton County, IN, Dearborn County, IN, Decatur County, IN, DeKalb County, IN, Delaware County, IN, Elkhart County, IN, Fayette County, IN, Franklin 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, Jackson County, IN, Jay County, IN, Jennings County, IN, Johnson County, IN, Kosciusko County, IN, LaGrange County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Marshall County, IN, Miami County, IN, Monroe County, IN, Morgan County, IN, Noble County, IN, Ohio County, IN, Owen County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Saint Joseph County, IN, Shelby County, IN, Steuben County, IN, Switzerland County, IN, Tipton County, IN, Union County, IN, Wabash County, IN, Wayne County, IN, Wells County, IN, Whitley County, IN, Boone County, KY, Campbell County, KY, Kenton County, KY, Lenawee County, MI, Allen County, OH, Auglaize County, OH, Butler County, OH, Clermont County, OH, Darke County, OH, Defiance County, OH, Fulton County, OH, Hamilton County, OH, Henry County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Paulding County, OH, Preble County, OH, Putnam County, OH, Shelby County, OH, Van Wert County, OH, Warren County, OH, Williams County, OH
The radar
The Indianapolis radar (KIND), 68 km from the middle of the area, began a volume at 19:08 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
16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 2:15 PM EST | Severe Thunderstorm Warning | IWX | Noble | 45 min |
| Mar 20, 2:30 PM EST | Severe Thunderstorm Warning | IND | Tipton | 45 min |
| Mar 20, 2:37 PM EST | Severe Thunderstorm Warning | IND | Morgan | 43 min |
| Mar 20, 2:42 PM EST | Severe Thunderstorm Warning | IWX | Allen, Huntington, Whitley | 48 min |
| Mar 20, 2:51 PM EST | Severe Thunderstorm Warning | IWX | Fulton, Williams | 39 min |
| Mar 20, 3:07 PM EST | Severe Thunderstorm Warning | IWX | DeKalb, Noble, Steuben | 53 min |
| Mar 20, 3:16 PM EST | Severe Thunderstorm Warning | IWX | Huntington | 44 min |
| Mar 20, 3:31 PM EST | Severe Thunderstorm Warning | IND | Hamilton | 44 min |
| Mar 20, 3:32 PM EST | Severe Thunderstorm Warning | IWX | Allen | 43 min |
| Mar 20, 3:42 PM EST | Severe Thunderstorm Warning | IWX | Wells | 48 min |
| Mar 20, 4:06 PM EST | Tornado Warning | IWX | Wells | 39 min |
| Mar 20, 4:15 PM EST | Severe Thunderstorm Warning | IWX | Steuben | 60 min |
| Mar 20, 4:41 PM EST | Severe Thunderstorm Warning | IND | Marion | 34 min |
| Mar 20, 4:50 PM EST | Severe Thunderstorm Warning | DTX | Lenawee | 40 min |
| Mar 20, 4:55 PM EST | Severe Thunderstorm Warning | IND | Henry | 35 min |
| Mar 20, 6:26 PM EST | Severe Thunderstorm Warning | DTX | Lenawee | 34 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.1 hours before the alert went out and 171 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
- 1227 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- -21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 1:23 PM EST | Mesoscale Discussion | SPC | Bartholomew, Brown, Clark, Crawford, Daviess, Dearborn and 25 more | 3 hr |
| Mar 20, 1:45 PM EST | Severe Thunderstorm Watch | SPC | Daviess, Dubois, Gibson, Knox, Perry, Pike and 4 more | 6 hr |
| Mar 20, 2:20 PM EST | Severe Thunderstorm Watch | SPC | Clark, Floyd, Harrison, Washington | 6 hr |
| Mar 20, 3:41 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Bartholomew, Blackford, Boone, Brown and 58 more | 2 hr |
| Mar 19, 8:16 PM EST | Mesoscale Discussion | SPC | Bath, Bourbon, Bracken, Carter, Clark, Elliott and 20 more | 89 min |
| Mar 20, 6:43 PM EST | Mesoscale Discussion | SPC | Boyd, Carter, Elliott, Floyd, Greenup, Johnson and 3 more | 2 hr |
| Mar 20, 5:54 PM EST | Mesoscale Discussion | SPC | Alcona, Alpena, Antrim, Arenac, Bay, Cheboygan and 37 more | 2 hr |
Nearby
Severe Thunderstorm Watches in Indiana, 2003Severe Thunderstorm Watches in Ohio, 2003Severe Thunderstorm Watches in Kentucky, 2003Every severe thunderstorm watch in 2003
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.