Alert archive / Ohio / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 898
The Storm Prediction Center issued this severe thunderstorm watch at Aug 27, 2003, 1:35 AM EST for DeKalb County, LaGrange County, Steuben County, Indiana; 5 counties in Michigan; 27 counties in Ohio. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 27, 2003, 1:35 AM EST (06:35 UTC)
- Expired
- Aug 27, 2003, 7:00 AM EST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 35 counties
DeKalb County, IN, LaGrange County, IN, Steuben County, IN, Branch County, MI, Hillsdale County, MI, Lenawee County, MI, Monroe County, MI, Saint Joseph County, MI, Allen County, OH, Ashland County, OH, Carroll County, OH, Crawford County, OH, Defiance County, OH, Erie County, OH, Fulton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Holmes County, OH, Huron County, OH, Lorain County, OH, Lucas County, OH, Marion County, OH, Medina County, OH, Ottawa County, OH, Paulding County, OH, Putnam County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Stark County, OH, Wayne County, OH, Williams County, OH, Wood County, OH, Wyandot County, OH
The radar
The Cleveland radar (KCLE), 127 km from the middle of the area, began a volume at 06:37 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
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 1:37 AM EST | Severe Thunderstorm Warning | CLE | Crawford | 53 min |
| Aug 27, 1:40 AM EST | Severe Thunderstorm Warning | IWX | Saint Joseph | 65 min |
| Aug 27, 1:53 AM EST | Severe Thunderstorm Warning | CLE | Stark | 52 min |
| Aug 27, 2:10 AM EST | Severe Thunderstorm Warning | IWX | Branch | 65 min |
| Aug 27, 2:46 AM EST | Severe Thunderstorm Warning | IWX | Hillsdale | 59 min |
| Aug 27, 3:29 AM EST | Severe Thunderstorm Warning | CLE | Ashland, Wayne | 46 min |
| Aug 27, 4:33 AM EST | Severe Thunderstorm Warning | CLE | Holmes | 42 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 00:00Z, 6.6 hours before the alert went out and 139 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
- 2002 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 1077 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 5.2
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 1:15 AM EST | Mesoscale Discussion | SPC | Adams, Allen, DeKalb, LaGrange, Steuben | 90 min |
| Aug 27, 3:57 AM EST | Mesoscale Discussion | SPC | DeKalb, Steuben | 93 min |
| Aug 27, 8:47 AM EST | Mesoscale Discussion | SPC | Dearborn, Decatur, Delaware, Fayette, Franklin, Hancock and 7 more | 118 min |
| Aug 26, 8:20 PM EST | Severe Thunderstorm Watch | SPC | Belmont, Jefferson | 6 hr |
| Aug 27, 5:11 AM EST | Mesoscale Discussion | SPC | Athens, Belmont, Fairfield, Franklin, Guernsey, Hocking and 6 more | 2 hr |
| Aug 27, 11:52 AM EST | Mesoscale Discussion | SPC | Adams, Athens, Brown, Fairfield, Fayette, Franklin and 15 more | 113 min |
| Aug 27, 1:05 PM EST | Severe Thunderstorm Watch | SPC | Athens, Belmont, Coshocton, Gallia, Guernsey, Harrison and 10 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Ohio, 2003Severe Thunderstorm Watches in Michigan, 2003Severe Thunderstorm Watches in Indiana, 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.