Alert archive / Ohio / Severe Thunderstorm Watches in 2014
Severe Thunderstorm Watch 326
The Storm Prediction Center issued this severe thunderstorm watch at Jun 18, 2014, 7:00 PM EDT for 5 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 18, 2014, 7:00 PM EDT (23:00 UTC)
- Expired
- Jun 19, 2014, 12:28 AM EDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 65 kt
All 82 counties
Dearborn County, IN, Fayette County, IN, Franklin County, IN, Ohio County, IN, Ripley County, IN, Switzerland County, IN, Union County, IN, Wayne County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Adams County, OH, Athens County, OH, Belmont County, OH, Brown County, OH, Butler County, OH, Carroll County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Columbiana County, OH, Coshocton County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Guernsey County, OH, Hamilton County, OH, Harrison County, OH, Highland County, OH, Hocking County, OH, Jackson County, OH, Jefferson 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, Tuscarawas County, OH, Vinton County, OH, Warren County, OH, Washington County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Clarion County, PA, Fayette County, PA, Forest County, PA, Greene County, PA, Indiana County, PA, Jefferson County, PA, Lawrence County, PA, Mercer County, PA, Venango County, PA, Washington County, PA, Westmoreland County, PA, Brooke County, WV, Hancock County, WV, Marshall County, WV, Ohio County, WV, Wetzel County, WV
The radar
The Cincinnati radar (KILN), 110 km from the middle of the area, began a volume at 23:00 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 5%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 7:13 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton | 32 min |
| Jun 18, 7:18 PM EDT | Severe Thunderstorm Warning | ILN | Montgomery, Preble | 42 min |
| Jun 18, 7:43 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Guernsey, Tuscarawas | 47 min |
| Jun 18, 7:46 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 44 min |
| Jun 18, 8:14 PM EDT | Flash Flood Warning | PBZ | Venango | 3 hr |
| Jun 18, 8:26 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Columbiana, Harrison, Jefferson, Tuscarawas | 49 min |
| Jun 18, 8:38 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Jefferson | 52 min |
| Jun 18, 8:54 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Indiana, Jefferson | 51 min |
| Jun 18, 8:58 PM EDT | Severe Thunderstorm Warning | PBZ | Columbiana, Jefferson | 32 min |
| Jun 18, 9:24 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Washington | 51 min |
| Jun 18, 9:31 PM EDT | Severe Thunderstorm Warning | PBZ | Belmont, Guernsey, Harrison | 44 min |
| Jun 18, 10:02 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Greene, Washington, Westmoreland | 58 min |
| Jun 18, 10:05 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Indiana, Westmoreland | 55 min |
| Jun 18, 10:29 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 46 min |
| Jun 18, 10:59 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 46 min |
| Jun 18, 11:24 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 66 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.0 hours before the alert went out and 108 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
- 1489 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 1071 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- -52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.7
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 11:13 PM EDT | Severe Thunderstorm Watch | SPC | Lake, Porter | 6 hr |
| Jun 18, 11:32 AM EDT | Mesoscale Discussion | SPC | Allen, DeKalb, Elkhart, Kosciusko, LaGrange, LaPorte and 6 more | 118 min |
| Jun 18, 1:55 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Allen, DeKalb, Elkhart, Fulton, Huntington and 12 more | 6 hr |
| Jun 18, 3:56 PM EDT | Mesoscale Discussion | SPC | Blackford, Boone, Brown, Carroll, Clay, Clinton and 23 more | 94 min |
| Jun 18, 4:32 PM EDT | Mesoscale Discussion | SPC | Blackford, Delaware, Jay, Randolph, Union, Wayne | 88 min |
| Jun 18, 4:43 PM EDT | Mesoscale Discussion | SPC | Adams, Allen, DeKalb, Grant, Huntington, Miami and 3 more | 2 hr |
| Jun 18, 6:30 PM EDT | Mesoscale Discussion | SPC | Bartholomew, Dearborn, Decatur, Fayette, Franklin, Henry and 6 more | 60 min |
| Jun 18, 4:55 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 19 more | 4 hr |
| Jun 17, 9:08 PM EDT | Mesoscale Discussion | SPC | Bradford, Cameron, McKean, Potter, Tioga, Warren | 97 min |
Nearby
Severe Thunderstorm Watches in Ohio, 2014Severe Thunderstorm Watches in Pennsylvania, 2014Severe Thunderstorm Watches in Kentucky, 2014Every severe thunderstorm watch in 2014
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.