Alert archive / Ohio / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 198

May 1, 200349 counties in Indiana; 62 counties in Ohio; Brooke County, Ohio County, West Virginia

The Storm Prediction Center issued this severe thunderstorm watch at May 1, 2003, 12:50 PM EST for 49 counties in Indiana; 62 counties in Ohio; Brooke County, Ohio County, West Virginia. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 1, 2003, 12:50 PM EST (17:50 UTC)
Expired
May 1, 2003, 6:00 PM EST
In force
5 hr
Issued by
the Storm Prediction Center
All 113 counties

Adams County, IN, Bartholomew County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Clay County, IN, Clinton County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Fountain County, IN, Franklin County, IN, Grant County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Jackson County, IN, Jay County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Shelby County, IN, Sullivan County, IN, Tippecanoe County, IN, Tipton County, IN, Union County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN, Wayne County, IN, Wells County, IN, Allen County, OH, Ashland County, OH, Ashtabula County, OH, Auglaize County, OH, Belmont County, OH, Butler County, OH, Carroll County, OH, Champaign County, OH, Clark County, OH, Clinton County, OH, Columbiana County, OH, Coshocton County, OH, Crawford County, OH, Cuyahoga County, OH, Darke County, OH, Delaware County, OH, Erie County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Geauga County, OH, Greene County, OH, Guernsey County, OH, Hamilton County, OH, Hancock County, OH, Hardin County, OH, Harrison County, OH, Holmes County, OH, Huron County, OH, Jefferson County, OH, Knox County, OH, Lake 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, Perry County, OH, Pickaway County, OH, Portage County, OH, Preble 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, Warren County, OH, Wayne County, OH, Wyandot County, OH, Brooke County, WV, Ohio County, WV

The radar

The Cincinnati radar (KILN), 120 km from the middle of the area, began a volume at 17:50 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
May 1, 2:31 PM ESTSevere Thunderstorm WarningINDDaviess, Knox44 min
May 1, 2:54 PM ESTSevere Thunderstorm WarningINDMartin51 min
May 1, 3:17 PM ESTSevere Thunderstorm WarningINDLawrence43 min
May 1, 3:17 PM ESTSevere Thunderstorm WarningCLESandusky43 min
May 1, 3:23 PM ESTSevere Thunderstorm WarningCLEHuron67 min
May 1, 3:34 PM ESTSevere Thunderstorm WarningCLETrumbull56 min
May 1, 3:37 PM ESTSevere Thunderstorm WarningCLEMedina53 min
May 1, 3:41 PM ESTSevere Thunderstorm WarningINDMonroe34 min
May 1, 3:45 PM ESTSevere Thunderstorm WarningCLEAshland60 min
May 1, 3:46 PM ESTSevere Thunderstorm WarningINDJackson44 min
May 1, 3:55 PM ESTSevere Thunderstorm WarningINDMonroe20 min
May 1, 4:05 PM ESTSevere Thunderstorm WarningCLEMarion40 min
May 1, 4:08 PM ESTSevere Thunderstorm WarningCLERichland52 min
May 1, 4:30 PM ESTSevere Thunderstorm WarningCLECrawford60 min
May 1, 4:33 PM ESTSevere Thunderstorm WarningINDDelaware, Henry42 min
May 1, 4:46 PM ESTSevere Thunderstorm WarningINDMadison29 min
May 1, 5:27 PM ESTSevere Thunderstorm WarningCLESummit48 min
May 1, 5:36 PM ESTSevere Thunderstorm WarningILNMiami, Shelby24 min
May 1, 5:50 PM ESTSevere Thunderstorm WarningINDRandolph40 min
May 1, 5:52 PM ESTSevere Thunderstorm WarningCLEMarion53 min
May 1, 5:56 PM ESTTornado WarningINDDelaware19 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, 5.8 hours before the alert went out and 120 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 2003-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 354 joules per kilogram.LCLLFCEL10008507005003002001001 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 2003-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.193958Sfc1 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
354 J/kg
Mixed-layer CIN
-133 J/kg
Mixed-layer LCL
1165 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
101 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
Apr 30, 7:31 PM ESTMesoscale DiscussionSPCAllen, DeKalb, Elkhart, Fulton, Huntington, Jasper and 15 more119 min
Apr 30, 10:31 PM ESTMesoscale DiscussionSPCAllen, DeKalb, Elkhart, Fulton, Huntington, Jasper and 15 more89 min
Apr 30, 10:55 PM ESTSevere Thunderstorm WatchSPCBenton, Jasper, Lake, Newton, Porter5 hr
May 1, 1:19 AM ESTMesoscale DiscussionSPCBenton, Jasper, Lake, Newton86 min
May 1, 7:51 AM ESTMesoscale DiscussionSPCBartholomew, Brown, Clay, Daviess, Dubois, Gibson and 22 more114 min
May 1, 12:09 PM ESTMesoscale DiscussionSPCAdams, Allen, Blackford, Boone, Carroll, Cass and 26 more3 hr
May 1, 12:15 PM ESTSevere Thunderstorm WatchSPCCrawford, Dubois, Floyd, Gibson, Harrison, Perry and 5 more5 hr
May 1, 3:10 PM ESTMesoscale DiscussionSPCAdams, Bartholomew, Blackford, Boone, Brown, Clay and 35 more95 min
Apr 30, 8:48 PM ESTMesoscale DiscussionSPCAllen, Ashland, Auglaize, Crawford, Cuyahoga, Defiance and 25 more87 min
May 1, 11:41 AM ESTMesoscale DiscussionSPCColumbiana, Mahoning, Portage, Trumbull3 hr
May 1, 2:35 PM ESTSevere Thunderstorm WatchSPCAdams, Brown, Clermont, Highland, Jackson, Pike and 2 more5 hr
May 1, 5:11 PM ESTMesoscale DiscussionSPCAdams, Brown, Clermont, Hamilton, Highland, Jackson and 4 more94 min
May 1, 5:55 PM ESTSevere Thunderstorm WatchSPCAshland, Auglaize, Butler, Champaign, Clark, Clinton and 24 more4 hr
May 1, 6:10 PM ESTMesoscale DiscussionSPCAdams, Brown, Clermont, Hamilton, Highland, Jackson and 4 more95 min
May 1, 10:22 AM ESTMesoscale DiscussionSPCGreenbrier, McDowell, Mercer, Monroe, Summers113 min
May 1, 5:02 PM ESTMesoscale DiscussionSPCBerkeley, Grant, Hampshire, Hardy, Jefferson, Mineral and 5 more3 hr

Nearby

Severe Thunderstorm Watches in Ohio, 2003Severe Thunderstorm Watches in Indiana, 2003Severe Thunderstorm Watches in West Virginia, 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.