Alert archive / Ohio / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 211

May 17, 200418 counties in Ohio

The Storm Prediction Center issued this severe thunderstorm watch at May 17, 2004, 2:45 PM EDT for 18 counties in Ohio. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 17, 2004, 2:45 PM EDT (18:45 UTC)
Expired
May 17, 2004, 8:00 PM EDT
In force
5 hr
Issued by
the Storm Prediction Center

Counties Ashland County, OH, Crawford County, OH, Cuyahoga County, OH, Erie County, OH, Geauga County, OH, Hancock County, OH, Huron County, OH, Lake County, OH, Lorain County, OH, Lucas County, OH, Medina County, OH, Ottawa County, OH, Portage County, OH, Sandusky County, OH, Seneca County, OH, Summit County, OH, Wood County, OH, Wyandot County, OH

The radar

The Cleveland radar (KCLE), 70 km from the middle of the area, began a volume at 18:46 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

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

IssuedProductOfficeCountiesLasted
May 17, 2:55 PM EDTSevere Thunderstorm WarningCLELucas35 min
May 17, 3:00 PM EDTSevere Thunderstorm WarningCLEOttawa45 min
May 17, 4:09 PM EDTTornado WarningCLEOttawa36 min
May 17, 4:47 PM EDTSevere Thunderstorm WarningCLESandusky, Seneca43 min
May 17, 5:30 PM EDTSevere Thunderstorm WarningCLESeneca60 min
May 17, 5:31 PM EDTSevere Thunderstorm WarningCLEHuron44 min
May 17, 5:33 PM EDTSevere Thunderstorm WarningCLESandusky27 min
May 17, 5:39 PM EDTSevere Thunderstorm WarningCLEErie36 min
May 17, 5:39 PM EDTSevere Thunderstorm WarningCLEAshland51 min
May 17, 5:41 PM EDTSevere Thunderstorm WarningCLELorain64 min
May 17, 6:12 PM EDTSevere Thunderstorm WarningCLECuyahoga63 min
May 17, 6:20 PM EDTSevere Thunderstorm WarningCLEMedina40 min
May 17, 6:48 PM EDTSevere Thunderstorm WarningCLEGeauga, Lake57 min
May 17, 7:02 PM EDTSevere Thunderstorm WarningCLESummit58 min
May 17, 7:17 PM EDTSevere Thunderstorm WarningCLECuyahoga43 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

Detroit, MI (KDTX), launched 12:00Z, 6.8 hours before the alert went out and 158 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, Detroit, MI at 12:00Z on 2004-05-17Temperature 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, Detroit, MI at 12:00Z on 2004-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 188 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
694 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
188 m²/s²
0-3 km storm-relative helicity
252 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
May 17, 11:22 AM EDTMesoscale DiscussionSPCWilliams2 hr
May 17, 1:05 PM EDTSevere Thunderstorm WatchSPCFulton, Lucas, Williams, Wood7 hr
May 17, 2:09 PM EDTMesoscale DiscussionSPCAdams, Allen, Auglaize, Brown, Butler, Champaign and 21 more2 hr
May 17, 4:05 PM EDTMesoscale DiscussionSPCFulton, Williams85 min
May 17, 5:23 PM EDTMesoscale DiscussionSPCAshland, Crawford, Cuyahoga, Erie, Geauga, Hancock and 12 more2 hr
May 17, 5:46 PM EDTMesoscale DiscussionSPCFulton, Williams89 min
May 17, 6:50 PM EDTMesoscale DiscussionSPCAshtabula, Columbiana, Geauga, Mahoning, Medina, Portage and 4 more85 min

Nearby

Severe Thunderstorm Watches in Ohio, 2004Every severe thunderstorm watch in 2004

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.