Alert archive / Indiana / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 628
The Storm Prediction Center issued this severe thunderstorm watch at Jul 13, 2004, 9:20 PM EST for 20 counties in Indiana; 11 counties in Michigan; 10 counties in Ohio. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 13, 2004, 9:20 PM EST (02:20 UTC)
- Expired
- Jul 14, 2004, 3:00 AM EST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 41 counties
Adams County, IN, Allen County, IN, Cass County, IN, DeKalb County, IN, Elkhart County, IN, Fulton County, IN, Huntington County, IN, Kosciusko County, IN, LaGrange County, IN, LaPorte County, IN, Marshall County, IN, Miami County, IN, Noble 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, Branch County, MI, Calhoun County, MI, Cass County, MI, Hillsdale County, MI, Jackson County, MI, Kalamazoo County, MI, Lenawee County, MI, Saint Joseph County, MI, Van Buren County, MI, Washtenaw County, MI, Allen County, OH, Defiance County, OH, Fulton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Paulding County, OH, Putnam County, OH, Van Wert County, OH, Williams County, OH
The radar
The Northern Indiana radar (KIWX), 41 km from the middle of the area, began a volume at 02:20 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 13, 9:28 PM EST | Severe Thunderstorm Warning | IWX | Elkhart, Kosciusko, Marshall | 62 min |
| Jul 13, 9:54 PM EST | Severe Thunderstorm Warning | DTX | Washtenaw | 96 min |
| Jul 13, 10:47 PM EST | Severe Thunderstorm Warning | IWX | Miami | 43 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
Detroit, MI (KDTX), launched 00:00Z, 2.3 hours before the alert went out and 206 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
- 1903 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 1149 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 43 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 13, 7:36 PM EST | Mesoscale Discussion | SPC | Posey | 114 min |
| Jul 13, 9:01 PM EST | Mesoscale Discussion | SPC | Adams, Allen, DeKalb, Elkhart, Fulton, Huntington and 13 more | 119 min |
| Jul 13, 11:13 PM EST | Mesoscale Discussion | SPC | Adams, Blackford, Boone, Carroll, Cass, Clay and 35 more | 2 hr |
Nearby
Severe Thunderstorm Watches in Indiana, 2004Severe Thunderstorm Watches in Michigan, 2004Severe Thunderstorm Watches in Ohio, 2004Every severe thunderstorm watch in 2004
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.