Alert archive / Indiana / Mesoscale Discussions in 2003
Mesoscale Discussion 141
The Storm Prediction Center issued this mesoscale discussion at Feb 22, 2003, 8:33 PM EST for 25 counties in Indiana; Lenawee County, Monroe County, Wayne County, Michigan; 21 counties in Ohio. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 22, 2003, 8:33 PM EST (01:33 UTC)
- Expired
- Feb 23, 2003, 1:30 AM EST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 49 counties
Adams County, IN, Allen County, IN, Bartholomew County, IN, Blackford County, IN, Brown County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Henry County, IN, Jay County, IN, Jennings County, IN, Johnson County, IN, Madison County, IN, Marion County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Shelby County, IN, Union County, IN, Wayne County, IN, Wells County, IN, Lenawee County, MI, Monroe County, MI, Wayne County, MI, Allen County, OH, Auglaize County, OH, Butler County, OH, Darke County, OH, Defiance County, OH, Fulton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Lucas County, OH, Mercer County, OH, Miami County, OH, Ottawa County, OH, Paulding County, OH, Preble County, OH, Putnam County, OH, Sandusky County, OH, Shelby County, OH, Van Wert County, OH, Williams County, OH, Wood County, OH
The radar
The Northern Indiana radar (KIWX), 137 km from the middle of the area, began a volume at 01:35 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.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.6 hours before the alert went out and 146 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 420 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 309 m²/s²
- 0-3 km storm-relative helicity
- 322 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 |
|---|---|---|---|---|
| Feb 23, 4:45 PM EST | Mesoscale Discussion | SPC | Daviess, Dubois, Gibson, Knox, Martin, Pike and 4 more | 5 hr |
| Feb 22, 7:56 PM EST | Mesoscale Discussion | SPC | Gallia, Lawrence | 64 min |
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; radar from the NEXRAD Level II archive.