Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 151, NWS Wilmington, OH

June 12, 1998Franklin County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jun 12, 1998, 9:42 PM EDT for Franklin 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 12, 1998, 9:42 PM EDT (01:42 UTC)
Expired
Jun 12, 1998, 10:30 PM EDT
In force
48 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Franklin County, OH

The radar

The Cincinnati radar (KILN), 93 km from the middle of the area, began a volume at 01:44 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, 10:00 PM EDTThunderstorm Wind 50Columbus, OHTrees 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, 4:45 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.7 hours before the alert went out and 90 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

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

000 
TTAA00 KILN 130142 RRA
SVRILN
OHC049-130230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
942 PM EDT FRI JUN 12 1998

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

*SEVERE THUNDERSTORM WARNING FOR...
  FRANKLIN COUNTY IN CENTRAL OHIO.

* EFFECTIVE UNTIL 1030 PM EDT.

* AT 940 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LINE OF SEVERE THUNDERSTORMS ACROSS NORTHERN FRANKLIN COUNTY.
  THIS LINE OF STORMS WAS MOVING SOUTHEAST AT 35 MPH AND WILL
  AFFECT COLUMBUS.


A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.

WILKINSON

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, 57 minutes earlier.

Area forecast discussion, Jun 12, 8:45 PM EDT, 57 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

Special weather statement, Jun 12, 4:55 PM EDT, 4 hours 47 minutes before
OHZ034-035-042>044-051>053-060>063-070>073-077>082-088-INZ050-
058-059-066-073>075-080-KYZ089>100-130400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
455 PM EDT FRI JUN 12 1998

...FLOOD WATCH TONIGHT FOR PORTIONS OF SOUTHWEST-WEST CENTRAL
   AND SOUTH CENTRAL OHIO...

...FLASH FLOOD WATCH TONIGHT FOR SOUTHEAST INDIANA...

VERY WARM AND UNSTABLE AIR IS IN PLACE ACROSS THE SOUTHWEST QUARTER
OF OHIO...SOUTHEAST INDIANA AND NORTHERN KENTUCKY. STRONG TO SEVERE
THUNDERSTORMS WILL DEVELOP ACROSS PARTS OF ILLINOIS AND INDIANA
OVERNIGHT AND TRACK INTO OUR AREA. WITH THE ATMOSPHERE ALREADY VERY
MOIST ACROSS THIS REGION...IT IS EXPECTED THAT THESE STORMS WILL
HAVE THE POTENTIAL OF PRODUCING VERY HEAVY RAINFALL.

WITH MANY OF THE CREEKS...STREAMS AND RIVERS ALREADY HIGH FROM
PREVIOUS HEAVY RAINS OVER THE PAST COUPLE OF DAYS...ADDITIONAL RAINS
WILL BRING THE POTENTIAL OF FLOODING.

NORTHERN KENTUCKY...ALTHOUGH NOT UNDER A FLASH FLOOD WATCH...MAY
ALSO EXPERIENCE HEAVY RAINS TONIGHT. THIS AREA WILL BE MONITORED
THROUGHOUT THE NIGHT.

PLEASE STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR ANY
UPDATES ON THIS SITUATION.

DISTEFANO
Special weather statement, Jun 12, 8:10 PM EDT, 1 hour 32 minutes before
OHZ026-034-035-042>046-051>056-060>065-070>074-080-INZ050-058-059-
066-073>075-080-KYZ089-090-094-130600-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
810 PM EDT FRI JUN 12 1998

...TORNADO WATCH REMAINS IN EFFECT FOR EAST CENTRAL INDIANA -
WESTERN PORTIONS OF CENTRAL OHIO AND THE MIAMI VALLEY UNTIL 11 PM
EDT (10 PM EST)...
...SEVERE THUNDERSTORM WATCH FOR CARROLL...GALLATIN AND OWEN
COUNTIES IN KENTUCKY UNTIL 1 AM EDT (MIDNIGHT EST) SATURDAY
MORNING...
...SEVERE THUNDERSTORM WATCH FOR LICKING...FAIRFIELD...HOCKING AND
ROSS COUNTIES IN OHIO UNTIL 2 AM EDT SATURDAY MORNING...

A LINE OF STRONG TO SEVERE THUNDERSTORMS RUNNING FROM ABOUT
CLEVELAND...SOUTHWEST TO NEAR LIMA TO MUNCIE INDIANA WILL DROP
SOUTHEAST ACROSS THIS EVENING.

NUMEROUS REPORTS OF LARGE HAIL...FUNNEL CLOUDS AND DAMAGING WINDS
HAVE BEEN REPORTED IN PARTS OF NORTHWEST OHIO AND NORTHEAST INDIANA
WITH THIS LINE.  THE ATMOSPHERE ACROSS THE REGION REMAINS VERY
UNSTABLE AND SUPPORTIVE OF SEVERE THUNDERSTORMS...SOME WHICH MAY
PRODUCE TORNADOES.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR FURTHER
UPDATES AND POSSIBLE WARNINGS.

SITES
Special weather statement, Jun 12, 8:10 PM EDT, 1 hour 32 minutes before
OHZ026-034-035-042>046-051>056-060>065-070>074-080-INZ050-058-059-
066-073>075-080-KYZ089-090-094-130600-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
810 PM EDT FRI JUN 12 1998

...TORNADO WATCH REMAINS IN EFFECT FOR EAST CENTRAL INDIANA -
WESTERN PORTIONS OF CENTRAL OHIO AND THE MIAMI VALLEY UNTIL 11 PM
EDT (10 PM EST)...
...SEVERE THUNDERSTORM WATCH FOR CARROLL...GALLATIN AND OWEN
COUNTIES IN KENTUCKY UNTIL 1 AM EDT (MIDNIGHT EST) SATURDAY
MORNING...
...SEVERE THUNDERSTORM WATCH FOR LICKING...FAIRFIELD...HOCKING AND
ROSS COUNTIES IN OHIO UNTIL 2 AM EDT SATURDAY MORNING...

A LINE OF STRONG TO SEVERE THUNDERSTORMS RUNNING FROM ABOUT
CLEVELAND...SOUTHWEST TO NEAR LIMA TO MUNCIE INDIANA WILL DROP
SOUTHEAST ACROSS THIS EVENING.

NUMEROUS REPORTS OF LARGE HAIL...FUNNEL CLOUDS AND DAMAGING WINDS
HAVE BEEN REPORTED IN PARTS OF NORTHWEST OHIO AND NORTHEAST INDIANA
WITH THIS LINE.  THE ATMOSPHERE ACROSS THE REGION REMAINS VERY
UNSTABLE AND SUPPORTIVE OF SEVERE THUNDERSTORMS...SOME WHICH MAY
PRODUCE TORNADOES.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR FURTHER
UPDATES AND POSSIBLE WARNINGS.

SITES
Special weather statement, Jun 12, 8:30 PM EDT, 1 hour 12 minutes before
OHZ026-034-035-042>046-051>056-060>065-070>074-080-INZ050-058-059-
066-073>075-080-KYZ089-090-094-130600-
SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE WILMINGTON OH
830 PM EDT FRI JUN 12 1998

...TORNADO WATCH REMAINS IN EFFECT FOR EAST CENTRAL INDIANA -
WESTERN PORTIONS OF CENTRAL OHIO AND THE MIAMI VALLEY UNTIL 11 PM
EDT (10 PM EST)...
...TORNADO WATCH FOR CARROLL...GALLATIN AND OWEN
COUNTIES IN KENTUCKY UNTIL 1 AM EDT (MIDNIGHT EST) SATURDAY
MORNING...
...SEVERE THUNDERSTORM WATCH FOR LICKING...FAIRFIELD...HOCKING AND
ROSS COUNTIES IN OHIO UNTIL 2 AM EDT SATURDAY MORNING...

A LINE OF STRONG TO SEVERE THUNDERSTORMS RUNNING FROM ABOUT
CLEVELAND...SOUTHWEST TO NEAR LIMA TO MUNCIE INDIANA WILL DROP
SOUTHEAST ACROSS THIS EVENING.

NUMEROUS REPORTS OF LARGE HAIL...FUNNEL CLOUDS AND DAMAGING WINDS
HAVE BEEN REPORTED IN PARTS OF NORTHWEST OHIO AND NORTHEAST INDIANA
WITH THIS LINE.  THE ATMOSPHERE ACROSS THE REGION REMAINS VERY
UNSTABLE AND SUPPORTIVE OF SEVERE THUNDERSTORMS...SOME WHICH MAY
PRODUCE TORNADOES.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR FURTHER
UPDATES AND POSSIBLE WARNINGS.

SITES

...CORRECTED WATCH TYPE FOR CARROLL...GALLATIN AND OWEN COUNTIES IN
KENTUCKY...
Special weather statement, Jun 12, 8:30 PM EDT, 1 hour 12 minutes before
OHZ026-034-035-042>046-051>056-060>065-070>074-080-INZ050-058-059-
066-073>075-080-KYZ089-090-094-130600-
SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE WILMINGTON OH
830 PM EDT FRI JUN 12 1998

...TORNADO WATCH REMAINS IN EFFECT FOR EAST CENTRAL INDIANA -
WESTERN PORTIONS OF CENTRAL OHIO AND THE MIAMI VALLEY UNTIL 11 PM
EDT (10 PM EST)...
...TORNADO WATCH FOR CARROLL...GALLATIN AND OWEN
COUNTIES IN KENTUCKY UNTIL 1 AM EDT (MIDNIGHT EST) SATURDAY
MORNING...
...SEVERE THUNDERSTORM WATCH FOR LICKING...FAIRFIELD...HOCKING AND
ROSS COUNTIES IN OHIO UNTIL 2 AM EDT SATURDAY MORNING...

A LINE OF STRONG TO SEVERE THUNDERSTORMS RUNNING FROM ABOUT
CLEVELAND...SOUTHWEST TO NEAR LIMA TO MUNCIE INDIANA WILL DROP
SOUTHEAST ACROSS THIS EVENING.

NUMEROUS REPORTS OF LARGE HAIL...FUNNEL CLOUDS AND DAMAGING WINDS
HAVE BEEN REPORTED IN PARTS OF NORTHWEST OHIO AND NORTHEAST INDIANA
WITH THIS LINE.  THE ATMOSPHERE ACROSS THE REGION REMAINS VERY
UNSTABLE AND SUPPORTIVE OF SEVERE THUNDERSTORMS...SOME WHICH MAY
PRODUCE TORNADOES.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR FURTHER
UPDATES AND POSSIBLE WARNINGS.

SITES

...CORRECTED WATCH TYPE FOR CARROLL...GALLATIN AND OWEN COUNTIES IN
KENTUCKY...
Local storm report, Jun 12, 8:54 PM EDT, 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
854 PM EDT FRI JUN 12 1998

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

0745 PM    RICHMOND                  IN   WIND DAMAGE
06/12/98   WAYNE                          TREES/POWER LINES DOWN

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, 9:45 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, 11:27 PM EDTSevere Thunderstorm WarningILNScioto63 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.