Alert archive / Ohio / Tornado Warnings in 1998

Tornado Warning 13, NWS Wilmington, OH

June 15, 1998Montgomery County, Ohio

NWS Wilmington, OH issued this tornado warning at Jun 15, 1998, 5:31 PM EDT for Montgomery County, Ohio. It was in force for 34 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 15, 1998, 5:31 PM EDT (21:31 UTC)
Expired
Jun 15, 1998, 6:05 PM EDT
In force
34 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Montgomery County, OH

The radar

The Cincinnati radar (KILN), 55 km from the middle of the area, began a volume at 21:31 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.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.5 hours before the alert went out and 55 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 1998-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 672 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 1998-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
672 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
653 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

338 
WFUS01 KILN 152132 RRA
TORILN
OHC113-152205-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
531 PM EDT MON JUN 15 1998

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

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

* EFFECTIVE UNTIL 605 PM EDT.

* AT 526 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A DEVELOPING TORNADO JUST NORTHWST OF MIAMISBURG.  THE STORM
  PRODUCING THE TORNADO WAS MOVING EAST AT 25 MPH AND WILL AFFECT
  MIAMISBURG AND CENTERVILLE.

* THIS TORNADO WILL TOUCHDOWN FOR A BRIEF PERIOD AND WILL AFFECT A
  VERY SMALL AREA.  HOWEVER...EVEN SMALL TORNADOES CAN PRODUCE
  SIGNIFICANT DAMAGE.

THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. 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.

DIAN-REED

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 9:01 PM EDTSevere Thunderstorm WarningILNClermont34 min
Jun 14, 9:15 PM EDTSevere Thunderstorm WarningILNBrown20 min
Jun 14, 10:04 PM EDTFlash Flood WarningILNBrown3 hr
Jun 14, 11:10 PM EDTFlash Flood WarningILNAdams, Scioto2 hr
Jun 15, 3:37 PM EDTFlash Flood WarningILNMontgomery, Preble118 min
Jun 15, 4:49 PM EDTTornado WarningILNDarke46 min
Jun 15, 6:54 PM EDTTornado WarningILNClinton46 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; radar from the NEXRAD Level II archive.