Alert archive / Indiana / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 686
The Storm Prediction Center issued this severe thunderstorm watch at Jul 8, 2003, 3:20 PM EST for 23 counties in Indiana; Berrien County, Michigan; 16 counties in Ohio. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 8, 2003, 3:20 PM EST (20:20 UTC)
- Expired
- Jul 8, 2003, 7:00 PM EST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 40 counties
Adams County, IN, Allen County, IN, DeKalb County, IN, Elkhart County, IN, Fulton County, IN, Huntington County, IN, Jasper County, IN, Kosciusko County, IN, LaGrange County, IN, Lake County, IN, LaPorte County, IN, Marshall County, IN, Miami County, IN, Newton County, IN, Noble County, IN, Porter County, IN, Pulaski County, IN, Saint Joseph County, IN, Starke County, IN, Steuben County, IN, Wabash County, IN, Wells County, IN, Whitley County, IN, Berrien County, MI, Allen County, OH, Crawford County, OH, Defiance County, OH, Fulton County, OH, Hancock County, OH, Henry County, OH, Lucas County, OH, Ottawa County, OH, Paulding County, OH, Putnam County, OH, Sandusky County, OH, Seneca County, OH, Van Wert County, OH, Williams County, OH, Wood County, OH, Wyandot County, OH
The radar
The Northern Indiana radar (KIWX), 2 km from the middle of the area, began a volume at 20:22 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
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 3:21 PM EST | Severe Thunderstorm Warning | CLE | Crawford | 54 min |
| Jul 8, 3:30 PM EST | Flash Flood Warning | CLE | Crawford, Hancock, Seneca, Wyandot | 3 hr |
| Jul 8, 6:22 PM EST | Flash Flood Warning | CLE | Crawford, Wyandot | 3 hr |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 8.3 hours before the alert went out and 240 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
- 318 J/kg
- Mixed-layer CIN
- -174 J/kg
- Mixed-layer LCL
- 953 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 7:40 PM EST | Severe Thunderstorm Watch | SPC | Jasper, Lake, Newton, Porter | 3 hr |
| Jul 7, 9:13 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Blackford, Boone, Carroll, Cass and 30 more | 62 min |
| Jul 7, 10:18 PM EST | Mesoscale Discussion | SPC | Benton, Jasper, Lake, Newton, Porter, White | 57 min |
| Jul 7, 11:00 PM EST | Severe Thunderstorm Watch | SPC | Adams, Allen, Benton, Blackford, Boone, Carroll and 39 more | 5 hr |
| Jul 7, 11:50 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Benton, Blackford, Boone, Carroll and 36 more | 85 min |
| Jul 8, 10:05 AM EST | Mesoscale Discussion | SPC | Adams, Allen, Benton, Blackford, Boone, Carroll and 43 more | 25 min |
| Jul 8, 10:25 AM EST | Severe Thunderstorm Watch | SPC | Adams, Allen, Cass, DeKalb, Elkhart, Fulton and 19 more | 6 hr |
| Jul 8, 12:04 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Cass, DeKalb, Elkhart, Fulton and 19 more | 56 min |
| Jul 8, 12:25 PM EST | Mesoscale Discussion | SPC | Bartholomew, Brown, Clark, Clay, Crawford, Daviess and 42 more | 95 min |
| Jul 8, 1:25 PM EST | Severe Thunderstorm Watch | SPC | Bartholomew, Benton, Blackford, Boone, Brown, Carroll and 54 more | 6 hr |
| Jul 8, 2:30 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Cass, DeKalb, Elkhart, Fulton and 17 more | 30 min |
| Jul 8, 3:02 PM EST | Mesoscale Discussion | SPC | Bartholomew, Benton, Blackford, Boone, Brown, Carroll and 54 more | 88 min |
| Jul 8, 5:38 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Bartholomew, Benton, Blackford, Boone and 67 more | 37 min |
| Jul 8, 6:40 PM EST | Severe Thunderstorm Watch | SPC | Bartholomew, Benton, Blackford, Boone, Brown, Carroll and 50 more | 5 hr |
| Jul 7, 11:57 PM EST | Mesoscale Discussion | SPC | Monroe | 63 min |
| Jul 8, 2:20 AM EST | Severe Thunderstorm Watch | SPC | Monroe | 6 hr |
| Jul 7, 8:30 PM EST | Mesoscale Discussion | SPC | Adams, Ashland, Athens, Carroll, Coshocton, Crawford and 36 more | 60 min |
| Jul 7, 8:55 PM EST | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 50 more | 3 hr |
| Jul 8, 1:57 AM EST | Mesoscale Discussion | SPC | Ashland, Athens, Belmont, Carroll, Champaign, Clark and 44 more | 63 min |
| Jul 8, 5:06 AM EST | Mesoscale Discussion | SPC | Athens, Belmont, Carroll, Columbiana, Coshocton, Cuyahoga and 21 more | 114 min |
| Jul 8, 2:02 PM EST | Mesoscale Discussion | SPC | Ashland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 36 more | 28 min |
| Jul 8, 2:15 PM EST | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 35 more | 5 hr |
| Jul 8, 4:05 PM EST | Mesoscale Discussion | SPC | Ashland, Athens, Belmont, Carroll, Columbiana, Coshocton and 34 more | 115 min |
Nearby
Severe Thunderstorm Watches in Indiana, 2003Severe Thunderstorm Watches in Ohio, 2003Severe Thunderstorm Watches in Michigan, 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.