Alert archive / Indiana / Mesoscale Discussions in 2009
Mesoscale Discussion 210
The Storm Prediction Center issued this mesoscale discussion at Mar 8, 2009, 2:31 PM EDT for 45 counties in Indiana; 20 counties in Kentucky; 8 counties in Ohio. It was in force for 119 min.
The area
The outline as issued.
The facts
- Issued
- Mar 8, 2009, 2:31 PM EDT (18:31 UTC)
- Expired
- Mar 8, 2009, 4:30 PM EDT
- In force
- 119 min
- Issued by
- the Storm Prediction Center
All 73 counties
Adams County, IN, Bartholomew County, IN, Blackford County, IN, Brown County, IN, Clark County, IN, Crawford County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Floyd County, IN, Franklin County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Harrison County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jackson County, IN, Jay County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Miami County, IN, Monroe County, IN, Morgan County, IN, Ohio County, IN, Orange County, IN, Perry County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Switzerland County, IN, Tipton County, IN, Union County, IN, Wabash County, IN, Washington County, IN, Wayne County, IN, Wells County, IN, Boone County, KY, Breckinridge County, KY, Bullitt County, KY, Carroll County, KY, Edmonson County, KY, Gallatin County, KY, Grayson County, KY, Hancock County, KY, Hardin County, KY, Hart County, KY, Henry County, KY, Jefferson County, KY, Larue County, KY, Meade County, KY, Nelson County, KY, Oldham County, KY, Owen County, KY, Shelby County, KY, Spencer County, KY, Trimble County, KY, Auglaize County, OH, Butler County, OH, Darke County, OH, Hamilton County, OH, Mercer County, OH, Preble County, OH, Shelby County, OH, Van Wert County, OH
The radar
The Indianapolis radar (KIND), 82 km from the middle of the area, began a volume at 18:34 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.5 hours before the alert went out and 139 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
- 1104 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 378 m²/s²
- 0-3 km storm-relative helicity
- 326 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 |
|---|---|---|---|---|
| Mar 8, 11:39 AM EDT | Tornado Watch | SPC | Benton, Boone, Carroll, Clay, Clinton, Daviess and 24 more | 7 hr |
| Mar 8, 2:52 PM EDT | Tornado Watch | SPC | Adams, Allen, Bartholomew, Blackford, Brown, Cass and 45 more | 5 hr |
| Mar 8, 3:20 PM EDT | Mesoscale Discussion | SPC | Cass, Fulton, Grant, Howard, Jasper, Lake and 5 more | 55 min |
| Mar 8, 4:14 PM EDT | Mesoscale Discussion | SPC | Adams, Allen, Bartholomew, Blackford, Boone, Brown and 51 more | 91 min |
| Mar 8, 5:36 PM EDT | Mesoscale Discussion | SPC | Clark, Dearborn, Floyd, Harrison, Jefferson, Jennings and 5 more | 54 min |
| Mar 8, 6:21 PM EDT | Severe Thunderstorm Watch | SPC | Adair, Anderson, Bath, Bourbon, Boyle, Bracken and 37 more | 4 hr |
| Mar 8, 7:32 PM EDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Boyle, Breathitt, Casey and 23 more | 58 min |
Nearby
Mesoscale Discussions in Indiana, 2009Mesoscale Discussions in Kentucky, 2009Mesoscale Discussions in Ohio, 2009Every mesoscale discussion in 2009
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.