Alert archive / Ohio / Tornado Warnings in 1998

Tornado Warning 8, NWS Wilmington, OH

June 10, 1998Clermont County, Ohio

NWS Wilmington, OH issued this tornado warning at Jun 10, 1998, 12:52 AM EDT for Clermont County, Ohio. It was in force for 48 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 10, 1998, 12:52 AM EDT (04:52 UTC)
Expired: Jun 10, 1998, 1:40 AM EDT
In force: 48 min
Issued by: NWS Wilmington, OH
Area: Whole counties

County Clermont County, OH

The radar

The Cincinnati radar (KILN), 50 km from the middle of the area, began a volume at 04:54 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

Time	Report	Where	Remark
Jun 10, 1:10 AM EDT	Thunderstorm Wind 50	Moscow, OH	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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 4.9 hours before the alert went out and 52 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 612 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 458 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 339 m²/s²
0-3 km storm-relative helicity: 396 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KILN 100452 RRA
TORILN
OHC025-100540-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
1252 AM EDT WED JUN 10 1998

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  CLERMONT COUNTY IN SOUTHWESTERN OHIO.

* EFFECTIVE UNTIL 140 AM EDT.

* AT 1251 AM EDT... DOPPLER RADAR INDICATED A TORNADO 12 MILES
  SOUTH OF BATAVIA MOVING SOUTHEAST AT 30 MPH.

* SOME LOCATIONS AFFECTED...
        LAUREL                  BY 1257 AM EDT..
        POINT ISABEL            BY 103 AM EDT..
        FELICITY                BY 106 AM EDT..


IF YOU ARE CAUGHT OUTSIDE...SEEK SAFETY IN A NEARBY STURDY BUILDING.
AS A LAST RESORT...SEEK REFUGE IN A CULVERT..V.DITCH OR LOW SPOT AND
COVER YOUR HEAD WITH YOUR HANDS.



INNES

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at Jun 9, 8:45 PM EDT, 4 hours 7 minutes earlier.

Area forecast discussion, Jun 9, 8:45 PM EDT, 4 hours 7 minutes before

FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
845 PM EDT TUE JUN 9 1998

CURRENT CONVECTIVE ACTIVITY AS DEPICTED BY SAT IMAGERY AND 88D RADARS
SHOW TWO AREAS OF FOCUS. THE NORTHERN AREA STRETCHES ALONG 85H TROUGH
FROM LK MI SEWRD INTO N-CTRL OH. THIS ACTIVITY ASSOCIATED WITH DEEP
LAYER MOISTURE...ESPECIALLY BETWEEN SFC AND 70H. BEST CONVECTION ALONG
THIS LINE BEING ASSISTED BY UPPER LEVEL JET AS DEPICTED IN Q-VECTOR AND
FRONTOGENETIC ANALYSIS IN 850-700 MB LAYER. THIS ELEVATED CONVECTION
PICKED UP WELL BY 12Z ETA MODEL AND IS EXPECTED TO SLIDE SLOWLY OFF TO
THE EAST OVER NIGHT. THUS FEEL THE THREAT OF TSTRM ACTIVITY ACROSS
NORTHERN HALF OF ILN FA FOR TONIGHT IS OVER. SHOWER ACTIVITY SHOULD BE
RESTRICTED TO AREAS E OF CMH FOR THE REMAINDER OF NIGHT AS OBSERVED
WITH ILN 88D.

ACTIVITY ACROSS SRN IL APPEARS TO BE SFC BASED AND SHOULD REMAIN WELL S
AND SW OF FA. THUS DO NOT SEE THREAT FOR TSTRM ACTIVITY REMAINDER OF FA
OVERNIGHT.

LOTS OF FOG CURRENTLY ACROSS FA DO TO QUASI-STATIONAIRY WRM FRNT. FEEL
AT LEAST PATCHY DENSE FOG LIKELY ACROSS MOST OF FA TONIGHT. SHOULD
INCLUDE DAY AND CMH. TEMPS LOOK GOOD.

DISTEFANO

In the hours before

Local storm report, Jun 10, 12:40 AM EDT, 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1240 AM EDT WED JUN 10 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1154 PM                              OH   WIND DAMAGE
06/09/98   HAMILTON                       70 - 80 MPH WINDS IN
                                          WESTERN HILLS

1215 AM    ALEXANDRIA                KY   1 INCH HAIL
06/10/98   CAMPBELL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 11:50 PM EDT	Severe Thunderstorm Warning	ILN	Hamilton	35 min
Jun 10, 12:43 AM EDT	Severe Thunderstorm Warning	ILN	Clermont	32 min
Jun 10, 1:05 AM EDT	Severe Thunderstorm Warning	ILN	Pike	35 min
Jun 10, 1:18 AM EDT	Severe Thunderstorm Warning	ILN	Brown	47 min
Jun 10, 2:06 AM EDT	Flash Flood Warning	ILN	Brown	3 hr
Jun 10, 2:50 AM EDT	Severe Thunderstorm Warning	ILN	Butler	30 min
Jun 10, 3:01 AM EDT	Severe Thunderstorm Warning	ILN	Adams	49 min
Jun 10, 3:44 AM EDT	Severe Thunderstorm Warning	ILN	Clermont	26 min
Jun 10, 4:20 AM EDT	Severe Thunderstorm Warning	ILN	Brown	30 min
Jun 10, 4:26 AM EDT	Severe Thunderstorm Warning	ILN	Adams	64 min

Nearby

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