Alert archive / Indiana / Mesoscale Discussions in 2009
Mesoscale Discussion 102
The Storm Prediction Center issued this mesoscale discussion at Feb 11, 2009, 3:16 PM EST for 40 counties in Indiana. It was in force for 89 min.
The area
The outline as issued.
The facts
- Issued
- Feb 11, 2009, 3:16 PM EST (20:16 UTC)
- Expired
- Feb 11, 2009, 4:45 PM EST
- In force
- 89 min
- Issued by
- the Storm Prediction Center
All 40 counties
Bartholomew County, IN, Benton County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Cass County, IN, Clay County, IN, Clinton County, IN, Decatur County, IN, Delaware County, IN, Fountain County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jay County, IN, Johnson County, IN, Madison County, IN, Marion County, IN, Miami County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Wabash County, IN, Warren County, IN, Wells County, IN, White County, IN
The radar
The Indianapolis radar (KIND), 28 km from the middle of the area, began a volume at 20:15 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
Lincoln, IL (KILX), launched 12:00Z, 8.3 hours before the alert went out and 191 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
- 650 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 381 m²/s²
- 0-3 km storm-relative helicity
- 719 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 11, 11:02 AM EST | Mesoscale Discussion | SPC | Clark, Floyd, Harrison, Switzerland | 88 min |
| Feb 11, 11:38 AM EST | Tornado Watch | SPC | Clark, Crawford, Dearborn, Dubois, Floyd, Harrison and 13 more | 6 hr |
| Feb 11, 1:35 PM EST | Mesoscale Discussion | SPC | Clark, Dearborn, Floyd, Harrison, Jackson, Jefferson and 6 more | 85 min |
| Feb 11, 1:59 PM EST | Tornado Watch | SPC | Fayette, Franklin, Union | 7 hr |
Nearby
Mesoscale Discussions in Indiana, 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.