Alert archive / Ohio / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 487

June 8, 200310 counties in Indiana; 14 counties in Kentucky; 66 counties in Ohio

The Storm Prediction Center issued this severe thunderstorm watch at Jun 8, 2003, 11:40 AM EDT for 10 counties in Indiana; 14 counties in Kentucky; 66 counties in Ohio. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Jun 8, 2003, 11:40 AM EDT (15:40 UTC)
Expired: Jun 8, 2003, 5:00 PM EDT
In force: 5 hr
Issued by: the Storm Prediction Center

All 90 counties

Dearborn County, IN, Fayette County, IN, Franklin County, IN, Jefferson County, IN, Ohio County, IN, Randolph 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, Greenup County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Trimble County, KY, Adams County, OH, Allen County, OH, Ashland County, OH, Auglaize County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Coshocton County, OH, Crawford County, OH, Cuyahoga County, OH, Darke County, OH, Defiance County, OH, Delaware County, OH, Erie County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Fulton County, OH, Greene County, OH, Hamilton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Huron County, OH, Jackson County, OH, Knox County, OH, Lawrence County, OH, Licking County, OH, Logan County, OH, Lorain County, OH, Lucas County, OH, Madison County, OH, Marion County, OH, Medina County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Morrow County, OH, Muskingum County, OH, Ottawa County, OH, Paulding County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Putnam County, OH, Richland County, OH, Ross County, OH, Sandusky County, OH, Scioto County, OH, Seneca County, OH, Shelby County, OH, Summit County, OH, Union County, OH, Van Wert County, OH, Vinton County, OH, Warren County, OH, Wayne County, OH, Wood County, OH, Wyandot County, OH

The radar

The Cincinnati radar (KILN), 40 km from the middle of the area, began a volume at 15:42 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.

Warnings issued inside it

10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Jun 8, 2:05 PM EDT	Severe Thunderstorm Warning	CLE	Marion	55 min
Jun 8, 2:48 PM EDT	Severe Thunderstorm Warning	ILN	Hamilton	42 min
Jun 8, 3:01 PM EDT	Severe Thunderstorm Warning	ILN	Warren	44 min
Jun 8, 3:38 PM EDT	Severe Thunderstorm Warning	ILN	Fayette	52 min
Jun 8, 4:13 PM EDT	Severe Thunderstorm Warning	ILN	Pickaway	47 min
Jun 8, 4:17 PM EDT	Severe Thunderstorm Warning	ILN	Ross	43 min
Jun 8, 4:36 PM EDT	Severe Thunderstorm Warning	ILN	Licking	24 min
Jun 8, 4:38 PM EDT	Severe Thunderstorm Warning	ILN	Fairfield	37 min
Jun 8, 4:42 PM EDT	Severe Thunderstorm Warning	ILN	Hocking	48 min
Jun 8, 4:47 PM EDT	Severe Thunderstorm Warning	RLX	Perry	43 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, 3.7 hours before the alert went out and 39 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 112 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 825 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 75 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 8, 10:53 AM EDT	Mesoscale Discussion	SPC	Dearborn, Franklin, Jefferson, Ohio, Ripley, Switzerland and 1 more	2 hr
Jun 8, 1:08 PM EDT	Mesoscale Discussion	SPC	Adair, Allen, Anderson, Barren, Bath, Bell and 52 more	2 hr
Jun 8, 2:09 PM EDT	Mesoscale Discussion	SPC	Anderson, Boone, Bracken, Campbell, Franklin, Gallatin and 8 more	2 hr
Jun 8, 4:15 PM EDT	Severe Thunderstorm Watch	SPC	Adams, Ashland, Ashtabula, Athens, Belmont, Carroll and 35 more	5 hr
Jun 8, 6:29 PM EDT	Mesoscale Discussion	SPC	Belmont, Columbiana, Harrison, Jefferson, Mahoning, Monroe and 1 more	91 min

Nearby

Severe Thunderstorm Watches in Ohio, 2003 Severe Thunderstorm Watches in Kentucky, 2003 Severe Thunderstorm Watches in Indiana, 2003 Every severe thunderstorm watch in 2003

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.