Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 169, NWS Wilmington, OH

June 16, 1998Butler County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jun 16, 1998, 11:32 AM EDT for Butler County, Ohio. It was in force for 33 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 16, 1998, 11:32 AM EDT (15:32 UTC)
Expired
Jun 16, 1998, 12:05 PM EDT
In force
33 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Butler County, OH

The radar

The Cincinnati radar (KILN), 65 km from the middle of the area, began a volume at 15:34 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.

What was reported inside it

TimeReportWhereRemark
Jun 16, 11:50 AM EDTHail 0.75Monroe, OH

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 3.5 hours before the alert went out and 67 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 1998-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 353 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 1998-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
353 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
521 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.0

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 16, 10:02 AM EDT, 1 hour 30 minutes earlier.

Area forecast discussion, Jun 16, 10:02 AM EDT, 1 hour 30 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
1002 AM EDT TUE JUN 16 1998

VORT MAX CURRENTLY OVER SOUTHERN IL IS PROGGED TO MOVE IN SOUTHERN OHIO
BY AFTERNOON.  MODIFIED ILN SOUNDING CONTINUED TO SHOW AN UNSTABLE
ATMOSPHERE OVER THE REGION...WITH LI TO -8 AND CAPES OVER 2400 J/KG.
ILN RADAR SHOWING STORMS FIRING IN SOUTHEAST IN...IN THE PVA AND MOVING
ACROSS THE MIAMI VALLEY.  THIS AREA ALREADY SOAKED FROM THE RAINS OF
THE PAST SEVERAL DAYS. FFA IN THIS REGION A TOUGH CALL...FFG FROM
YESTERDAY WAS AROUND THREE QUARTERS OF AN INCH...WITH PRECIPIATABLE
WATERS AT 1.26 AND MORE SHOWERS EXPECTED THIS AFTERNOON IT WILL BE
CLOSE.

UPPER RIDGE BUILDS OVER CWA TONIGHT INTO WEDNESDAY...BRINGING TEMPORARY
BREAK FROM THE WET WEATHER.

LOOKED OVER CURRENT FORECAST AND IN GENERAL IT IS LOOKING GOOD.

SITES

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 8:25 PM EDTFlash Flood WarningILNAdams, Scioto2 hr
Jun 15, 9:36 PM EDTFlash Flood WarningILNUnion119 min
Jun 16, 11:20 AM EDTFlash Flood WarningILNHamilton90 min
Jun 16, 11:26 AM EDTFlash Flood WarningILNButler94 min
Jun 16, 11:48 AM EDTSevere Thunderstorm WarningILNWarren47 min
Jun 16, 11:56 AM EDTSevere Thunderstorm WarningILNHamilton29 min
Jun 16, 12:12 PM EDTSevere Thunderstorm WarningILNClinton48 min
Jun 16, 12:21 PM EDTSevere Thunderstorm WarningILNClermont, Hamilton34 min
Jun 16, 12:33 PM EDTFlash Flood WarningILNClermont2 hr
Jun 16, 12:37 PM EDTSevere Thunderstorm WarningILNFayette, Highland48 min
Jun 16, 12:39 PM EDTSevere Thunderstorm WarningILNGreene21 min
Jun 16, 12:52 PM EDTSevere Thunderstorm WarningILNAdams33 min
Jun 16, 12:53 PM EDTSevere Thunderstorm WarningILNBrown42 min
Jun 16, 1:05 PM EDTSevere Thunderstorm WarningILNPickaway50 min
Jun 16, 1:07 PM EDTSevere Thunderstorm WarningILNScioto53 min
Jun 16, 1:25 PM EDTSevere Thunderstorm WarningILNFranklin65 min
Jun 16, 1:35 PM EDTSevere Thunderstorm WarningILNFairfield60 min
Jun 16, 1:56 PM EDTSevere Thunderstorm WarningILNPike, Scioto49 min
Jun 16, 2:06 PM EDTSevere Thunderstorm WarningILNDelaware49 min
Jun 16, 2:07 PM EDTSevere Thunderstorm WarningILNLicking48 min
Jun 16, 2:21 PM EDTFlash Flood WarningILNScioto3 hr
Jun 16, 4:12 PM EDTSevere Thunderstorm WarningILNScioto38 min
Jun 16, 12:09 PM EDTSevere Thunderstorm WarningILNCampbell, Kenton36 min
Jun 16, 12:16 PM EDTSevere Thunderstorm WarningILNMason34 min
Jun 16, 12:28 PM EDTSevere Thunderstorm WarningILNLewis47 min
Jun 16, 1:11 PM EDTSevere Thunderstorm WarningILNLewis34 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1998Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.