Alert archive / Ohio / Tornado Warnings in 1998

Tornado Warning 17, NWS Wilmington, OH

July 19, 1998Shelby County, Ohio

NWS Wilmington, OH issued this tornado warning at Jul 19, 1998, 8:34 PM EDT for Shelby County, Ohio. It was in force for 31 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
Jul 19, 1998, 8:34 PM EDT (00:34 UTC)
Expired
Jul 19, 1998, 9:05 PM EDT
In force
31 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Shelby County, OH

The radar

The Cincinnati radar (KILN), 107 km from the middle of the area, began a volume at 00:36 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
Jul 19, 8:40 PM EDTThunderstorm Wind 60Sidney, 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
Jul 19, 4:15 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.6 hours before the alert went out and 106 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 1998-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2300 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 00:00Z on 1998-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 189 square meters per square second.193958Sfc1 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
2300 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1282 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
189 m²/s²
0-3 km storm-relative helicity
232 m²/s²
Significant tornado parameter
1.0
Supercell composite
7.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KILN 200035
TORILN
OHC149-200105-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
834 PM EDT SUN JUL 19 1998

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

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

* UNTIL 905 PM EDT

* AT 830 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A TORNADO 16 MILES WEST OF SIDNEY MOVING EAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
 t NEWPORT AT 837 PM EDT .
  ANNA  AT 856 PM EDT.
  I-75 AT MILE MARKER 95 AT 857 PM EDT .
  SIDNEY AT 857 PM EDT .

IF YOU ARE IN A MULTIPLE STORY BUILDING...GO TO A SMALL INTERIOR
ROOM AWAY FROM WINDOWS.

.END/SITES

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 Jul 19, 3:05 AM EDT, 17 hours 29 minutes earlier.

Area forecast discussion, Jul 19, 3:05 AM EDT, 17 hours 29 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
305 AM EDT SUN JUL 19 1998

LTST SFC ANLYS SHWG WRM FNT FM SRN IND INTO CNTRL KY...JUST SW OF
FA. SHWRS AND TSMTS CONTG TO DVLP AND TRACK SE ALG FNT IN AREA OF
GOOD THETA E CONV...JUST BRUSHING FAR SWRN CWA. WUD XPCT FNT TO LIFT
SLOWLY N THRU THIS MRNG SO XPCT TO SEE SOME SHWRS AND TSTMS WORK
INTO NRN KY CNTYS. HOWEVER...WITH MID LVL S/W CONTG TO MOV E...SHUD
SEE SBSDNC DVLP ACRS AREA THRU THIS MRNG SO ANY SHWRS AND TSTMS THAT
DO MAKE IT INTO FA...SHUD NOT HANG ARND TOO LONG. OTHRWS...CLR SKIES
IN PLACE ACRS FA THIS MRNG AS MCS OVR MN/IA CONTS TO PUSH ESE. AT
06Z...ETA APPEARED TO HAV BEST HANDLE ON THIS AND WL LEAN TWD ETA
SOLUTION THRU TNGT. XPCT TO SEE SOME DEBRIS CLDS WORK INTO NRN
PORTIONS OF FA THRU LATE MRNG WHICH MAY CUT BACK ON HTG A LTL BUT
WITH GOOD WAA...SHUD STILL SEE TMPS WARM UP PRETTY GOOD. AMS PROGD
TO DSTBLZ THRU THIS AFTN WITH CAPES IN THE 2-3K RANGE BY 00Z. WITH
VORT AXIS BRUSHING ACRS NRN FA LATE THIS AFTN AND THIS EVNG...LOOKS
LIKE BEST CHC OF PCPN/SVR WL BE ACRS DAY AND CMH AREAS. WITH SOME
WRMR AIR ALF...INSTBLTY NOT QUITE AS GREAT ACRS SRN FA...BUT WITH
WRMFNT PUSHG SLOWLY NE...CHC POPS AlLSO RSBL ACRS THE S FOR LATE THIS
AFTN AND EVNG. RDG AXIS AND WRMR AIR ALF WORK IN ACRS AREA ON MON
WHICH SHUD KP ANY PCPN GNRLY TO THE NORTH OF FA.

DAY 89/72/90 451
CMH 90/72/92 451
CVG 90/72/92 340
PMH 90/72/92 230

LOTT

In the hours before

Special weather statement, Jul 19, 7:03 PM EDT, 1 hour 31 minutes before
OHZ026-034-035-042>046-051-052-200000-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
703 PM EDT SUN JUL 19 1998

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM EDT...

A LINE OF SEVERE THUNDERSTORMS MOVING THROUGH NORTHEAST INDIANA HAS
PRODUCED THUNDERSTORM WIND GUSTS BETWEEN 60 MPH AND 80 MPH AS IT
MOVED THROUGH NORTHERN INDIANA.

THIS LINE IS EXPECTED TO MOVE INTO WESTERN OHIO BY 8 PM EDT.

STAY TUNED TO NOAA WEATHER: RADIO OR YOUR MEDIA FOR FURTHER UPDATES.

.END/SITES/JOHNSTONE
Special weather statement, Jul 19, 7:45 PM EDT, 49 minutes before
OHZ056-200500-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
745 PM EDT SUN JUL 19 1998

...SEVERE THUNDERSTORM WATCH FOR LICKING COUNTY UNTIL 1 AM EDT.
...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM EDT FOR WEST
CENTRAL OHIO AND NORTHERN PORTIONS OF THE MIAMI VALLEY AND CENTRAL
OHIO...

A LINE OF SEVERE THUNDERSTORMS MOVING EAST-SOUTHEAST THROUGH
NORTHEAST INDIANA AND NORTHWEST OHIO HAS PRODUCED THUNDERSTORM WIND
GUSTS BETWEEN 60 MPH AND 80 MPH. THIS LINE IS EXPECTED TO MOVE INTO
CENTRAL OHIO AROUND 10 PM EDT.

IF SEVERE WEATHER THREATENS YOUR AREA...GO TO AN INTERIOR ROOM ON
THE LOWER FLOOR AND STAY AWAY FROM WINDOWS.  STAY TUNED TO NOAA
WEATHER RADIO OR THE MEDIA FOR FURTHER UPDATES.

.END/SITES
Local storm report, Jul 19, 7:48 PM EDT, 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
748 PM EDT SUN JUL 19 1998

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

0740 PM    CELINA                    OH   WIND DAMAGE
07/19/98   MERCER                         TREES DOWN ACROSS THE CITY
Local storm report, Jul 19, 7:49 PM EDT, 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
749 PM EDT SUN JUL 19 1998

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

0747 PM    MENDON                    OH   WIND DAMAGE
07/19/98   MERCER                         LARGE TREE LIMBS DOWN
Local storm report, Jul 19, 8:26 PM EDT, 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
826 PM EDT SUN JUL 19 1998

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

0745 PM    ST MARYS                  OH   1 INCH HAIL
07/19/98   AUGLAIZE

0750 PM    10 NW WAPAKONETA          OH   80 MPH TSTM GUST
07/19/98   AUGLAIZE                       60-80 MPH GUSTS ESTIMATED
                                          BY HAMS

0750 PM    10 NW WAPAKONETA          OH   WIND DAMAGE
07/19/98   AUGLAIZE                       NUMEROUS 6 INCH DIAMETER
                                          LIMBS DOWN

0750 bPM    CELINA                    OH   .88 INCH HAIL
07/19/98   MERCER
Local storm report, Jul 19, 8:29 PM EDT, 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1200 PM EDT MON JUL 20 1998

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

0900 PM    MECHANICSBURG             OH   WIND DAMAGE
07/19/98   CHAMPAIGN                      TREES DOWN IN
                                          MECHANICSBURG AND
                                          COUNTYWIDE

0905 PM                              OH   WIND DAMAGE
07/19/98   MIAMI                          TREES DOWN ACROSS WESTERN
                                          PART NEAR PLEASANT HILL

0915 PM    GREENVILLE                OH   WIND DAMAGE
07/19/98   DARKE                          TREES DOWN AND POWER LINES
                                          DOWN ACROSS GREENVILLE AND
                                          NORTHERN PART OF COUNTY

0927 PM                              OH   WIND DAMAGE
07/19/98   CLARK                          TREES AND POWER LINES DOWN
                                          ACROSS THE COUNTY

1006 PM    PLAIN CITY                OH   WIND DAMAGE
07/19/98   MADISON                        LARGE TREE LIMBS DOWN

1018 PM    GRATIOT                   OH   WIND DAMAGE
07/19/98   LICKING                        TREES DOWN

1056 PM    CIRCLEVILLE               OH   WIND DAMAGE
07/19/98   PICKAWAY                       TREES DOWN

1100 PM    OXFORD                    OH   WIND DAMAGE
07/19/98   BUTLER                         TREES DOWN IN OXFORD

1111 PM    HAMILTON                  OH   WIND DAMAGE
07/19/98   BUTLER                         TREES DOWN ACROSS HAMILTON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 8:03 PM EDTTornado WarningILNHardin47 min
Jul 19, 8:04 PM EDTSevere Thunderstorm WarningILNLogan, Shelby61 min
Jul 19, 8:04 PM EDTSevere Thunderstorm WarningILNDarke61 min
Jul 19, 8:14 PM EDTTornado WarningILNMercer36 min
Jul 19, 8:38 PM EDTSevere Thunderstorm WarningILNDelaware, Union62 min
Jul 19, 8:44 PM EDTSevere Thunderstorm WarningILNChampaign, Miami61 min
Jul 19, 8:57 PM EDTSevere Thunderstorm WarningILNDarke, Mercer63 min
Jul 19, 9:08 PM EDTSevere Thunderstorm WarningILNClark, Madison62 min
Jul 19, 9:08 PM EDTSevere Thunderstorm WarningILNFranklin62 min
Jul 19, 9:30 PM EDTSevere Thunderstorm WarningILNLicking60 min
Jul 19, 9:47 PM EDTSevere Thunderstorm WarningILNMiami, Montgomery63 min
Jul 19, 9:51 PM EDTSevere Thunderstorm WarningILNGreene64 min
Jul 19, 9:53 PM EDTSevere Thunderstorm WarningILNFairfield, Pickaway62 min
Jul 19, 9:55 PM EDTSevere Thunderstorm WarningILNPreble60 min
Jul 19, 10:13 PM EDTSevere Thunderstorm WarningILNFayette62 min
Jul 19, 10:18 PM EDTSevere Thunderstorm WarningILNButler, Hamilton62 min
Jul 19, 10:24 PM EDTSevere Thunderstorm WarningILNMadison46 min
Jul 19, 10:44 PM EDTSevere Thunderstorm WarningILNClinton, Warren66 min
Jul 19, 10:57 PM EDTSevere Thunderstorm WarningILNPickaway, Ross78 min
Jul 19, 11:03 PM EDTSevere Thunderstorm WarningILNClermont77 min
Jul 19, 11:03 PM EDTSevere Thunderstorm WarningILNBrown82 min
Jul 19, 11:26 PM EDTSevere Thunderstorm WarningILNHighland64 min
Jul 19, 11:43 PM EDTSevere Thunderstorm WarningILNAdams, Pike72 min
Jul 20, 12:07 AM EDTSevere Thunderstorm WarningILNScioto58 min
Jul 20, 1:15 AM EDTFlash Flood WarningILNButler, Preble2 hr
Jul 20, 2:48 AM EDTFlash Flood WarningILNHamilton2 hr
Jul 20, 4:25 AM EDTFlash Flood WarningILNButler2 hr

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.