Alert archive / Ohio / Tornado Watches in 1998

Tornado Watch 552

June 11, 199817 counties in Indiana; 19 counties in Ohio

The Storm Prediction Center issued this tornado watch at Jun 11, 1998, 7:00 PM EST for 17 counties in Indiana; 19 counties in Ohio. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 11, 1998, 7:00 PM EST (00:00 UTC)
Expired
Jun 12, 1998, 12:00 AM EST
In force
5 hr
Issued by
the Storm Prediction Center
All 36 counties

Adams County, IN, Allen County, IN, Bartholomew County, IN, Blackford County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Hancock County, IN, Henry County, IN, Jay County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Union County, IN, Wayne County, IN, Wells County, IN, Allen County, OH, Auglaize County, OH, Butler County, OH, Darke County, OH, Defiance County, OH, Fulton County, OH, Hamilton County, OH, Hancock County, OH, Henry County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Paulding County, OH, Preble County, OH, Putnam County, OH, Shelby County, OH, Van Wert County, OH, Williams County, OH, Wood County, OH

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 11, 7:19 PM ESTTornado WarningINDRandolph61 min
Jun 11, 8:06 PM ESTTornado WarningILNDarke49 min
Jun 11, 8:15 PM ESTTornado WarningIWXBlackford35 min
Jun 11, 8:36 PM ESTTornado WarningILNMercer64 min
Jun 11, 9:11 PM ESTSevere Thunderstorm WarningILNAuglaize59 min
Jun 11, 9:23 PM ESTSevere Thunderstorm WarningINDRandolph32 min
Jun 11, 9:33 PM ESTSevere Thunderstorm WarningIWXAdams, Wells37 min
Jun 11, 9:34 PM ESTFlash Flood WarningILNMercer91 min
Jun 11, 9:58 PM ESTSevere Thunderstorm WarningILNHamilton47 min

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.0 hours before the alert went out and 130 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 00:00Z on 1998-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 593 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 00:00Z on 1998-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 388 square meters per square second.19395878Sfc1 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
593 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
676 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
388 m²/s²
0-3 km storm-relative helicity
431 m²/s²
Significant tornado parameter
1.0
Supercell composite
11.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 12, 2:45 PM ESTTornado WatchSPCAllen, Benton, Boone, Carroll, Cass, Clay and 36 more6 hr
Jun 12, 3:45 PM ESTTornado WatchSPCAdams, Bartholomew, Blackford, Brown, Decatur, Delaware and 15 more6 hr
Jun 12, 6:45 PM ESTTornado WatchSPCBartholomew, Brown, Clark, Crawford, Daviess, Dearborn and 26 more5 hr

Nearby

Tornado Watches in Ohio, 1998Tornado Watches in Indiana, 1998Every tornado watch in 1998

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.