Alert archive / Indiana / Mesoscale Discussions in 2003
Mesoscale Discussion 829
The Storm Prediction Center issued this mesoscale discussion at May 7, 2003, 6:06 PM EST for 26 counties in Indiana; 5 counties in Michigan; 26 counties in Ohio. It was in force for 114 min.
The area
The outline as issued.
The facts
- Issued
- May 7, 2003, 6:06 PM EST (23:06 UTC)
- Expired
- May 7, 2003, 8:00 PM EST
- In force
- 114 min
- Issued by
- the Storm Prediction Center
All 57 counties
Adams County, IN, Allen County, IN, Benton County, IN, Carroll County, IN, Cass County, IN, DeKalb County, IN, Elkhart County, IN, Fulton County, IN, Grant County, IN, Howard County, IN, Huntington County, IN, Jasper 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, White County, IN, Whitley County, IN, Branch County, MI, Cass County, MI, Hillsdale County, MI, Lenawee County, MI, Saint Joseph County, MI, Allen County, OH, Ashland County, OH, Auglaize County, OH, Crawford County, OH, Defiance County, OH, Fulton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Holmes County, OH, Huron County, OH, Lucas County, OH, Marion County, OH, Medina County, OH, Mercer County, OH, Morrow County, OH, Paulding County, OH, Putnam County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Van Wert County, OH, Wayne County, OH, Williams County, OH, Wood County, OH, Wyandot County, OH
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.1 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2780 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 9:35 PM EST | Mesoscale Discussion | SPC | Posey | 115 min |
| May 6, 11:50 PM EST | Tornado Watch | SPC | Crawford, Floyd, Gibson, Harrison, Perry, Posey and 3 more | 6 hr |
| May 7, 1:16 AM EST | Mesoscale Discussion | SPC | Harrison | 3 hr |
| May 7, 1:41 AM EST | Mesoscale Discussion | SPC | Floyd, Harrison, Perry, Spencer | 3 hr |
| May 7, 12:42 PM EST | Mesoscale Discussion | SPC | Bartholomew, Benton, Boone, Brown, Carroll, Cass and 43 more | 2 hr |
Nearby
Mesoscale Discussions in Indiana, 2003Mesoscale Discussions in Ohio, 2003Mesoscale Discussions in Michigan, 2003Every mesoscale discussion 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.