Alert archive / Ohio / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 808

July 27, 200358 counties in Ohio

The Storm Prediction Center issued this severe thunderstorm watch at Jul 27, 2003, 2:30 PM EDT for 58 counties in Ohio. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jul 27, 2003, 2:30 PM EDT (18:30 UTC)
Expired
Jul 27, 2003, 8:00 PM EDT
In force
6 hr
Issued by
the Storm Prediction Center
All 58 counties

Allen County, OH, Ashland County, OH, Auglaize County, OH, Belmont County, OH, Carroll County, OH, Champaign County, OH, Clark County, OH, Columbiana County, OH, Coshocton County, OH, Crawford County, OH, Cuyahoga County, OH, Darke County, OH, Defiance County, OH, Delaware County, OH, Erie County, OH, Franklin County, OH, Fulton County, OH, Geauga County, OH, Guernsey County, OH, Hancock County, OH, Hardin County, OH, Harrison County, OH, Henry County, OH, Holmes County, OH, Huron County, OH, Jefferson County, OH, Knox County, OH, Licking County, OH, Logan County, OH, Lorain County, OH, Madison County, OH, Mahoning County, OH, Marion County, OH, Medina County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Morrow County, OH, Muskingum County, OH, Noble County, OH, Ottawa County, OH, Paulding County, OH, Portage County, OH, Putnam County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Shelby County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Union County, OH, Van Wert County, OH, Wayne County, OH, Williams County, OH, Wood County, OH, Wyandot County, OH

The radar

The Cleveland radar (KCLE), 122 km from the middle of the area, began a volume at 18:30 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

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

IssuedProductOfficeCountiesLasted
Jul 27, 3:47 PM EDTSevere Thunderstorm WarningCLEHancock43 min
Jul 27, 3:58 PM EDTSevere Thunderstorm WarningCLESeneca62 min
Jul 27, 4:38 PM EDTSevere Thunderstorm WarningCLERichland52 min
Jul 27, 4:58 PM EDTSevere Thunderstorm WarningCLEHuron47 min
Jul 27, 5:10 PM EDTSevere Thunderstorm WarningCLELorain65 min
Jul 27, 5:10 PM EDTSevere Thunderstorm WarningILNMercer50 min
Jul 27, 5:25 PM EDTSevere Thunderstorm WarningIWXAllen, Van Wert50 min
Jul 27, 5:37 PM EDTFlash Flood WarningPBZColumbiana3 hr
Jul 27, 5:44 PM EDTSevere Thunderstorm WarningILNAuglaize46 min
Jul 27, 5:45 PM EDTSevere Thunderstorm WarningILNAuglaize45 min
Jul 27, 6:22 PM EDTSevere Thunderstorm WarningILNClark, Miami38 min
Jul 27, 6:23 PM EDTSevere Thunderstorm WarningILNUnion52 min
Jul 27, 6:36 PM EDTSevere Thunderstorm WarningCLEMahoning, Portage, Trumbull54 min
Jul 27, 7:01 PM EDTFlash Flood WarningCLEStark3 hr
Jul 27, 7:06 PM EDTSevere Thunderstorm WarningPBZTuscarawas54 min
Jul 27, 7:15 PM EDTSevere Thunderstorm WarningPBZCarroll60 min
Jul 27, 7:28 PM EDTSevere Thunderstorm WarningPBZCoshocton62 min
Jul 27, 7:36 PM EDTSevere Thunderstorm WarningPBZGuernsey, Harrison, Muskingum54 min
Jul 27, 7:49 PM EDTFlash Flood WarningCLETrumbull4 hr
Jul 27, 7:54 PM EDTSevere Thunderstorm WarningPBZBelmont, Jefferson66 min
Jul 27, 7:56 PM EDTFlash Flood WarningCLEMahoning, Portage4 hr

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, 6.5 hours before the alert went out and 171 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-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2003-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2003-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1276 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 27, 2:03 PM EDTMesoscale DiscussionSPCAllen, Ashland, Auglaize, Carroll, Champaign, Clark and 37 more87 min
Jul 27, 5:40 PM EDTMesoscale DiscussionSPCAllen, Ashland, Auglaize, Belmont, Carroll, Champaign and 53 more2 hr

Nearby

Severe Thunderstorm Watches in Ohio, 2003Every 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.