Alert archive / Ohio / Tornado Watches in 1998

Tornado Watch 555

June 12, 199821 counties in Indiana; 47 counties in Ohio

The Storm Prediction Center issued this tornado watch at Jun 12, 1998, 3:45 PM EST for 21 counties in Indiana; 47 counties in Ohio. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 12, 1998, 3:45 PM EST (20:45 UTC)
Expired
Jun 12, 1998, 10:00 PM EST
In force
6 hr
Issued by
the Storm Prediction Center
All 68 counties

Adams County, IN, Bartholomew County, IN, Blackford County, IN, Brown County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Hancock County, IN, Henry County, IN, Jay County, IN, Johnson County, IN, Madison County, IN, Marion County, IN, Morgan County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Union County, IN, Wayne County, IN, Wells County, IN, Allen County, OH, Ashland County, OH, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clinton County, OH, Crawford County, OH, Cuyahoga County, OH, Darke County, OH, Defiance County, OH, Delaware County, OH, Erie County, OH, Fayette County, OH, Franklin County, OH, Fulton County, OH, Greene County, OH, Hamilton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Highland County, OH, Huron County, OH, Knox County, OH, Logan County, OH, Lorain County, OH, Lucas County, OH, Madison County, OH, Marion County, OH, Medina County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Morrow County, OH, Ottawa County, OH, Paulding County, OH, Preble County, OH, Putnam County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Shelby County, OH, Union County, OH, Van Wert County, OH, Warren County, OH, Wood County, OH, Wyandot County, OH

The radar

The Cincinnati radar (KILN), 103 km from the middle of the area, began a volume at 20:49 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

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

IssuedProductOfficeCountiesLasted
Jun 12, 4:14 PM ESTTornado WarningIWXDefiance, Henry36 min
Jun 12, 4:23 PM ESTTornado WarningCLELucas47 min
Jun 12, 4:42 PM ESTSevere Thunderstorm WarningCLEWood63 min
Jun 12, 4:50 PM ESTTornado WarningIWXPaulding35 min
Jun 12, 4:53 PM ESTTornado WarningIWXHenry37 min
Jun 12, 4:57 PM ESTSevere Thunderstorm WarningCLEOttawa63 min
Jun 12, 5:18 PM ESTTornado WarningIWXPutnam, Van Wert52 min
Jun 12, 5:30 PM ESTSevere Thunderstorm WarningCLESandusky50 min
Jun 12, 5:41 PM ESTFlash Flood WarningCLEWood119 min
Jun 12, 5:44 PM ESTSevere Thunderstorm WarningCLEHancock, Seneca61 min
Jun 12, 5:55 PM ESTSevere Thunderstorm WarningCLEErie, Huron60 min
Jun 12, 6:06 PM ESTTornado WarningCLEErie49 min
Jun 12, 6:09 PM ESTTornado WarningCLESeneca51 min
Jun 12, 6:17 PM ESTSevere Thunderstorm WarningINDMarion48 min
Jun 12, 6:21 PM ESTSevere Thunderstorm WarningCLEWyandot64 min
Jun 12, 6:26 PM ESTSevere Thunderstorm WarningCLELorain79 min
Jun 12, 6:29 PM ESTSevere Thunderstorm WarningCLECrawford61 min
Jun 12, 6:32 PM ESTSevere Thunderstorm WarningINDDelaware, Madison33 min
Jun 12, 6:45 PM ESTSevere Thunderstorm WarningINDHancock50 min
Jun 12, 6:48 PM ESTTornado WarningCLELorain47 min
Jun 12, 6:50 PM ESTSevere Thunderstorm WarningCLECuyahoga95 min
Jun 12, 6:50 PM ESTSevere Thunderstorm WarningILNAuglaize45 min
Jun 12, 6:55 PM ESTSevere Thunderstorm WarningCLEAshland, Richland2 hr
Jun 12, 6:58 PM ESTSevere Thunderstorm WarningINDHenry32 min
Jun 12, 7:04 PM ESTSevere Thunderstorm WarningCLEMedina96 min
Jun 12, 7:10 PM ESTSevere Thunderstorm WarningINDRandolph35 min
Jun 12, 7:16 PM ESTSevere Thunderstorm WarningINDJohnson, Morgan49 min
Jun 12, 7:16 PM ESTSevere Thunderstorm WarningINDRush, Shelby49 min
Jun 12, 7:18 PM ESTSevere Thunderstorm WarningILNLogan, Shelby27 min
Jun 12, 7:25 PM ESTSevere Thunderstorm WarningILNFayette, Wayne50 min
Jun 12, 7:25 PM ESTSevere Thunderstorm WarningILNDarke50 min
Jun 12, 7:33 PM ESTSevere Thunderstorm WarningCLEKnox, Morrow92 min
Jun 12, 7:39 PM ESTSevere Thunderstorm WarningINDDecatur46 min
Jun 12, 7:47 PM ESTSevere Thunderstorm WarningILNPreble28 min
Jun 12, 7:56 PM ESTSevere Thunderstorm WarningILNUnion44 min
Jun 12, 8:03 PM ESTSevere Thunderstorm WarningILNMontgomery57 min
Jun 12, 8:06 PM ESTSevere Thunderstorm WarningILNMiami49 min
Jun 12, 8:12 PM ESTSevere Thunderstorm WarningILNFranklin48 min
Jun 12, 8:26 PM ESTSevere Thunderstorm WarningILNClark, Greene44 min
Jun 12, 8:28 PM ESTSevere Thunderstorm WarningILNButler47 min
Jun 12, 8:42 PM ESTSevere Thunderstorm WarningILNFranklin48 min
Jun 12, 8:45 PM ESTSevere Thunderstorm WarningILNHamilton, Warren45 min
Jun 12, 9:03 PM ESTSevere Thunderstorm WarningILNClinton57 min
Jun 12, 9:09 PM ESTSevere Thunderstorm WarningILNFayette, Madison51 min
Jun 12, 9:36 PM ESTSevere Thunderstorm WarningILNBrown, Highland54 min

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.8 hours before the alert went out and 104 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 1998-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 685 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 1998-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 159 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
685 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
667 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
159 m²/s²
0-3 km storm-relative helicity
151 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.0

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 11, 7:00 PM ESTTornado WatchSPCAdams, Allen, Bartholomew, Blackford, Decatur, Delaware and 11 more5 hr
Jun 12, 2:45 PM ESTTornado WatchSPCAllen, Benton, Boone, Carroll, Cass, Clay and 36 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; radar from the NEXRAD Level II archive.