Alert archive / Ohio / Mesoscale Discussions in 2009
Mesoscale Discussion 929
The Storm Prediction Center issued this mesoscale discussion at Jun 2, 2009, 7:13 PM EDT for 5 states. It was in force for 62 min.
The area
The outline as issued.
The facts
- Issued
- Jun 2, 2009, 7:13 PM EDT (23:13 UTC)
- Expired
- Jun 2, 2009, 8:15 PM EDT
- In force
- 62 min
- Issued by
- the Storm Prediction Center
All 123 counties
Bartholomew County, IN, Brown County, IN, Clark County, IN, Clay County, IN, Crawford County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Dubois County, IN, Fayette County, IN, Floyd County, IN, Franklin County, IN, Greene County, IN, Hancock County, IN, Henry County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Lawrence County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Morgan County, IN, Ohio County, IN, Orange County, IN, Owen County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Sullivan County, IN, Switzerland County, IN, Union County, IN, Washington County, IN, Wayne County, IN, Boone County, KY, Boyd County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Carter County, KY, Fleming County, KY, Gallatin County, KY, Grant County, KY, Greenup County, KY, Harrison County, KY, Henry County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Nicholas County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Scott County, KY, Trimble County, KY, Adams County, OH, Athens County, OH, Belmont County, OH, Brown County, OH, Butler County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Gallia County, OH, Greene County, OH, Guernsey County, OH, Hamilton County, OH, Highland County, OH, Hocking County, OH, Jackson County, OH, Lawrence County, OH, Licking County, OH, Madison County, OH, Meigs County, OH, Miami County, OH, Monroe County, OH, Montgomery County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Scioto County, OH, Vinton County, OH, Warren County, OH, Washington County, OH, Greene County, PA, Barbour County, WV, Braxton County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Gilmer County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Marion County, WV, Marshall County, WV, Mason County, WV, Monongalia County, WV, Nicholas County, WV, Pleasants County, WV, Putnam County, WV, Ritchie County, WV, Roane County, WV, Taylor County, WV, Tyler County, WV, Upshur County, WV, Webster County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV
The radar
The Cincinnati radar (KILN), 41 km from the middle of the area, began a volume at 23:16 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, 11.2 hours before the alert went out and 42 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
- 581 J/kg
- Mixed-layer CIN
- -117 J/kg
- Mixed-layer LCL
- 1261 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
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 |
|---|---|---|---|---|
| Jun 1, 9:57 PM EDT | Mesoscale Discussion | SPC | Adams, Benton, Blackford, Boone, Carroll, Clinton and 12 more | 63 min |
| Jun 2, 12:58 PM EDT | Mesoscale Discussion | SPC | Boone, Brown, Clay, Daviess, Dubois, Gibson and 22 more | 92 min |
| Jun 2, 1:27 PM EDT | Severe Thunderstorm Watch | SPC | Gibson, Posey, Vanderburgh | 8 hr |
| Jun 2, 3:18 PM EDT | Severe Thunderstorm Watch | SPC | Bartholomew, Boone, Brown, Clark, Clay, Daviess and 41 more | 8 hr |
| Jun 2, 4:47 PM EDT | Mesoscale Discussion | SPC | Bartholomew, Brown, Clark, Clay, Crawford, Daviess and 38 more | 88 min |
| Jun 1, 9:32 PM EDT | Mesoscale Discussion | SPC | Ashland, Ashtabula, Carroll, Columbiana, Cuyahoga, Geauga and 11 more | 58 min |
| Jun 2, 1:31 PM EDT | Mesoscale Discussion | SPC | Adams, Chester, Cumberland, Delaware, Lancaster, Philadelphia and 1 more | 89 min |
| Jun 2, 1:58 PM EDT | Severe Thunderstorm Watch | SPC | Bucks, Chester, Delaware, Montgomery, Philadelphia | 6 hr |
Nearby
Mesoscale Discussions in Ohio, 2009Mesoscale Discussions in Indiana, 2009Mesoscale Discussions in West Virginia, 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.