Alert archive / Indiana / Mesoscale Discussions in 2007
Mesoscale Discussion 1699
The Storm Prediction Center issued this mesoscale discussion at Aug 9, 2007, 3:05 PM EDT for 27 counties in Indiana; Darke County, Mercer County, Preble County, Ohio. It was in force for 85 min.
The area
The outline as issued.
The facts
- Issued
- Aug 9, 2007, 3:05 PM EDT (19:05 UTC)
- Expired
- Aug 9, 2007, 4:30 PM EDT
- In force
- 85 min
- Issued by
- the Storm Prediction Center
All 30 counties
Bartholomew County, IN, Brown County, IN, Clay County, IN, Daviess County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Greene County, IN, Hancock County, IN, Henry County, IN, Jackson County, IN, Jay County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Morgan County, IN, Owen County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Sullivan County, IN, Union County, IN, Wayne County, IN, Darke County, OH, Mercer County, OH, Preble County, OH
The radar
The Indianapolis radar (KIND), 32 km from the middle of the area, began a volume at 19:07 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 12:00Z, 7.1 hours before the alert went out and 195 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
- 1945 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 1082 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.6
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 |
|---|---|---|---|---|
| Aug 9, 5:25 AM EDT | Mesoscale Discussion | SPC | Elkhart, Fulton, Jasper, Lake, LaPorte, Marshall and 4 more | 95 min |
| Aug 9, 11:54 AM EDT | Mesoscale Discussion | SPC | Allen, Ashland, Auglaize, Belmont, Carroll, Champaign and 48 more | 2 hr |
| Aug 9, 1:22 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Auglaize, Belmont, Carroll, Champaign and 43 more | 7 hr |
| Aug 9, 5:03 PM EDT | Mesoscale Discussion | SPC | Ashland, Belmont, Carroll, Columbiana, Coshocton, Crawford and 25 more | 87 min |
| Aug 9, 7:23 PM EDT | Mesoscale Discussion | SPC | Adams, Allen, Ashland, Athens, Auglaize, Belmont and 68 more | 67 min |
Nearby
Mesoscale Discussions in Indiana, 2007Mesoscale Discussions in Ohio, 2007Every mesoscale discussion in 2007
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.