Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 162, NWS Wilmington, OH

June 12, 1998Scioto County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jun 12, 1998, 11:27 PM EDT for Scioto County, Ohio. It was in force for 63 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 12, 1998, 11:27 PM EDT (03:27 UTC)
Expired
Jun 13, 1998, 12:30 AM EDT
In force
63 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Scioto County, OH

The radar

The Cincinnati radar (KILN), 99 km from the middle of the area, began a volume at 03:29 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 12, 11:45 PM EDTThunderstorm Wind 50Minford, OHNumerous trees downed.

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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 12, 10:00 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 3.5 hours before the alert went out and 98 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 1998-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2064 joules per kilogram.LCLEL10008507005003002001001 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 1998-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 211 square meters per square second.1939587897Sfc1 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
2064 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1235 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
211 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
2.2
Supercell composite
17.7

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 12, 8:45 PM EDT, 2 hours 42 minutes earlier.

Area forecast discussion, Jun 12, 8:45 PM EDT, 2 hours 42 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
845 PM EDT FRI JUN 12 1998

TRIED TO GET THIS OUT EARLY...BUT...

22Z SURFACE MAP SHOWED LINE OF THUNDERSTORMS JUST AHEAD OF STRONG WIND
SHIFT LINE...WITH TRUE COLD FRONT STILL BACK ACROSS WISCONSIN AND
IOWA.

WITH LINE FILLING IN ON THE SOUTHERN EDGE...HIGH POPS LOOK GOOD FOR
ENTIRE CWA.   UPPER SUPPORT INCREASES OVER THE REGION AROUND 06Z AS 500
MB S/W BEGINS TO SWING THROUGH. PRECIPIATABLE WATERS INCREASE TO OVER
1.50 BY 06Z...AND WITH FFG FOR KY COUNTIES ONLY AROUND 0.5 IN AN
HOUR...ANY THUNDERSTORM SHOULD BE ABLE TO DROP AT LEAST THAT MUCH.

COLD FRONT PROGGED THROUGH THE AREA AROUND 12Z....USHERING DRIER AIR
MASS.

EXCEPT FOR POSSIBLE FLOOD WATCH IN KY...ONLY POSSIBLE CHANGE IN
FORECAST MIGHT BE TO LOWER TEMPERATURES IN W CNTRL N OF DAY ZONE TO THE
MID 60S AS DRIER AIR WORKS IN BEHIND FRONT.

P.S. TO CLE...ON NEXT ZONE ISSUANCE...THE SATURDAY FORECAST FOR TOL
ZONE HAS ...A CHANCE OF A MORNING... NEEDS SHOWER.

SITES

In the hours before

Local storm report, Jun 12, 10:29 PM EDT, 58 minutes before
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Local storm report, Jun 12, 10:34 PM EDT, 53 minutes before
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Special weather statement, Jun 12, 10:53 PM EDT, 34 minutes before
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Special weather statement, Jun 12, 10:53 PM EDT, 34 minutes before
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Special weather statement, Jun 12, 11:27 PM EDT, 0 minutes before
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Special weather statement, Jun 12, 11:27 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 8:18 PM EDTSevere Thunderstorm WarningILNLogan, Shelby27 min
Jun 12, 8:25 PM EDTSevere Thunderstorm WarningILNDarke50 min
Jun 12, 8:47 PM EDTSevere Thunderstorm WarningILNPreble28 min
Jun 12, 9:03 PM EDTSevere Thunderstorm WarningILNMontgomery57 min
Jun 12, 9:06 PM EDTSevere Thunderstorm WarningILNMiami49 min
Jun 12, 9:26 PM EDTSevere Thunderstorm WarningILNClark, Greene44 min
Jun 12, 9:28 PM EDTSevere Thunderstorm WarningILNButler47 min
Jun 12, 9:42 PM EDTSevere Thunderstorm WarningILNFranklin48 min
Jun 12, 9:45 PM EDTSevere Thunderstorm WarningILNHamilton, Warren45 min
Jun 12, 10:03 PM EDTSevere Thunderstorm WarningILNClinton57 min
Jun 12, 10:09 PM EDTSevere Thunderstorm WarningILNFayette, Madison51 min
Jun 12, 10:10 PM EDTSevere Thunderstorm WarningILNClermont65 min
Jun 12, 10:36 PM EDTSevere Thunderstorm WarningILNBrown, Highland54 min
Jun 12, 10:56 PM EDTSevere Thunderstorm WarningILNAdams64 min
Jun 12, 10:56 PM EDTSevere Thunderstorm WarningILNRoss64 min
Jun 12, 11:14 PM EDTSevere Thunderstorm WarningILNPike66 min
Jun 12, 11:14 PM EDTSevere Thunderstorm WarningILNHocking66 min
Jun 12, 10:22 PM EDTFlash Flood WarningILNBracken, Mason, Pendleton3 hr
Jun 12, 10:22 PM EDTFlash Flood WarningILNCampbell, Kenton3 hr
Jun 12, 10:22 PM EDTFlash Flood WarningILNBoone3 hr
Jun 12, 10:22 PM EDTFlash Flood WarningILNLewis3 hr
Jun 12, 11:26 PM EDTSevere Thunderstorm WarningILNOwen49 min
Jun 12, 11:31 PM EDTSevere Thunderstorm WarningILNLewis49 min
Jun 12, 8:25 PM EDTSevere Thunderstorm WarningILNFayette, Wayne50 min
Jun 12, 8:56 PM EDTSevere Thunderstorm WarningILNUnion44 min
Jun 12, 9:12 PM EDTSevere Thunderstorm WarningILNFranklin48 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.