Alert archive / Ohio / Tornado Warnings in 1998

Tornado Warning 9, NWS Wilmington, OH

June 11, 1998Darke County, Ohio

NWS Wilmington, OH issued this tornado warning at Jun 11, 1998, 9:06 PM EDT for Darke County, Ohio. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 11, 1998, 9:06 PM EDT (01:06 UTC)
Expired
Jun 11, 1998, 9:55 PM EDT
In force
49 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Darke County, OH

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 11, 8:00 PM EDTTornado WatchSPC5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.1 hours before the alert went out and 105 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

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KILN 120106 RRA
TORILN
OHC037-120155-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
906 PM EDT THU JUN 11 1998

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  DARKE COUNTY IN WEST CENTRAL OHIO.

* EFFECTIVE UNTIL 955 PM EDT.

* AT 903 PM EDT... DOPPLER RADAR INDICATED A TORNADO 21 MILES WEST
  OF GREENVILLE MOVING NORTHEAST AT 25 MPH.

* SOME LOCATIONS AFFECTED...
        UNION CITY              BY 921 PM EDT
        ANSONIA                 BY 933 PM EDT
        BROCK                   BY 943 PM EDT..

* THIS STORM HAS ALREADY PRODUCED DAMAGING TORNADOES IN EASTERN
  INDIANA.


THIS IS A DANGEROUS STORM SITUATION. ACT QUIPCKLY. IF YOU ARE IN
THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND OR TO A
SMALL INTERIOR ROOM ON THE LOWEST FLOOR.

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 9:36 PM EDTTornado WarningILNMercer64 min
Jun 11, 10:11 PM EDTSevere Thunderstorm WarningILNAuglaize59 min
Jun 11, 10:34 PM EDTFlash Flood WarningILNMercer91 min
Jun 11, 10:58 PM EDTSevere Thunderstorm WarningILNHamilton47 min
Jun 12, 12:22 AM EDTSevere Thunderstorm WarningILNClermont48 min
Jun 12, 12:24 AM EDTSevere Thunderstorm WarningILNBrown46 min
Jun 12, 12:36 AM EDTTornado WarningILNHighland49 min
Jun 12, 7:50 PM EDTSevere Thunderstorm WarningILNAuglaize45 min

Nearby

Tornado Warnings in Ohio, 1998Every tornado warning in 1998Tornadoes 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.