Alert archive / Ohio / Mesoscale Discussions in 2015
Mesoscale Discussion 1480
The Storm Prediction Center issued this mesoscale discussion at Jul 19, 2015, 1:29 PM EDT for 10 counties in Kentucky; 30 counties in Ohio; 13 counties in West Virginia. It was in force for 91 min.
The area
The outline as issued.
The facts
- Issued
- Jul 19, 2015, 1:29 PM EDT (17:29 UTC)
- Expired
- Jul 19, 2015, 3:00 PM EDT
- In force
- 91 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 53 counties
Boyd County, KY, Bracken County, KY, Campbell County, KY, Carter County, KY, Greenup County, KY, Kenton County, KY, Lawrence County, KY, Lewis County, KY, Mason County, KY, Pendleton County, KY, Adams County, OH, Athens County, OH, Brown County, OH, Butler County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Fairfield County, OH, Fayette County, OH, Gallia County, OH, Greene County, OH, Hamilton County, OH, Highland County, OH, Hocking County, OH, Jackson County, OH, Lawrence County, OH, Madison County, OH, Meigs County, OH, Miami County, OH, Montgomery County, OH, Morgan 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, Cabell County, WV, Calhoun County, WV, Jackson County, WV, Kanawha County, WV, Lincoln County, WV, Mason County, WV, Pleasants County, WV, Putnam County, WV, Ritchie County, WV, Roane County, WV, Wayne County, WV, Wirt County, WV, Wood County, WV
The radar
The Cincinnati radar (KILN), 98 km from the middle of the area, began a volume at 17:28 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, 5.5 hours before the alert went out and 97 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
- 1228 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 781 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
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 |
|---|---|---|---|---|
| Jul 18, 8:03 PM EDT | Mesoscale Discussion | SPC | Defiance, Paulding, Van Wert, Williams | 57 min |
| Jul 19, 2:11 PM EDT | Mesoscale Discussion | SPC | Ashland, Ashtabula, Carroll, Champaign, Columbiana, Coshocton and 31 more | 2 hr |
| Jul 19, 3:18 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Belmont, Carroll, Columbiana, Coshocton and 27 more | 7 hr |
Nearby
Mesoscale Discussions in Ohio, 2015Mesoscale Discussions in West Virginia, 2015Mesoscale Discussions in Kentucky, 2015Every mesoscale discussion in 2015
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.