Alert archive / Ohio / Tornado Warnings in 1998

Tornado Warning 7, NWS Wilmington, OH

May 31, 1998Clinton County, Ohio

NWS Wilmington, OH issued this tornado warning at May 31, 1998, 7:31 PM EDT for Clinton County, Ohio. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 31, 1998, 7:31 PM EDT (23:31 UTC)
Expired: May 31, 1998, 8:20 PM EDT
In force: 49 min
Issued by: NWS Wilmington, OH
Area: Whole counties

County Clinton County, OH

The watch it was issued in

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

Issued	Product	Office	Lasted
May 31, 4:00 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.5 hours before the alert went out and 2 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: 1259 J/kg
Mixed-layer CIN: -256 J/kg
Mixed-layer LCL: 874 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 206 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KILN 312333
TORILN
OHC027-010020-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
731 PM EDT SUN MAY 31 1998

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

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

* EFFECTIVE UNTIL 820 PM EDT.

* AT 730 PM EDT... DOPPLER RADAR INDICATED A TORNADO 7 MILES WEST
  OF WILMINGTON MOVING EAST AT 45 MPH.

* SOME LOCATIONS AFFECTED...
        CUBA                    BY 735 PM EDT..
        WILMINGTON              BY 739 PM EDT..
        NEW VIENNA              BY 747 PM EDT..
        CENTERVILLE             BY 750 PM EDT..
        SABINA                  BY 751 PM EDT..

A TORNADO WAS REPORTED ON S@TATE ROUTE 380 AND WAS HEADING NORTHEAST.

THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN
THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND OR TO A
SMALL INTERIOR ROOM ON THE LOWEST FLOOR.

&

PARKER

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 May 31, 2:40 PM EDT, 4 hours 51 minutes earlier.

Area forecast discussion, May 31, 2:40 PM EDT, 4 hours 51 minutes before

FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
240 PM EDT SUN MAY 31 1998

18Z KILN RAOB AVAILABLE ON AFOS...CAPE >4000 AND WK H8 CAP WL BE
OVERCOME SHORTLY BY SFC HEATING...SO CONDITIONS IN PLACE FOR SVR WX
OUTBREAK ACRS CWA THIS AFTN/EVE. SVR TSTMS NOW FIRING ALONG PRE-FRONTAL
TROF JUST AHEAD OF COLD FRNT... AND TSTMS INTENSIFYING ACRS CNTL IN
WITHIN EXTREMELY UNSTABLE AIRMASS.

COLD FRNT WL STILL BE N OF OH RVR BY 0Z AND WL LIKELY NOT CLR S/E CWA
COUNTIES BEFORE MIDNITE. TSTMS WL END ACRS NW COUNTIES BY LATE AFTN
BUT WL CONT ACRS CNTL S SECTIONS INTO THIS EVE...SO CATEGORICAL POPS
IN ORDER CNTL EARLY EVE AND S TIL 4Z-6Z.

COOLER...DRIER AIRMASS WILL THEN PUSH INTO REGION OVERNITE AND WL
REMAIN IN PLACE THRU MON. HI TMPS MON WL ACTUALLY BE BLO NORMAL FOR JUN
1.

NEXT SYSTEM WL APPROACH QUICKLY IN FAST FLW REGIME LATER MON NITE. SW
FLW/WAA WL INTENSIFY...AND CONDITIONS APPR FAVORABLE FOR ANOTHER MCS TO
DEVELOP ACRS GREAT LAKES AND PUSH THROUGH OR JUST N OF XTRM N CWA
COUNTIES EARLY TUE AM...SO CHC POPS IN ORDER ACRS FAR N LATE MON NITE.
FARTHER S...MSTR CONVERGC IMPRESSIVE AND INSTABILITY INCR WITHIN N/S
BAND...INTO W CWA COUNTIES BY 12Z TUE...SHRA/TSRA CUD DEVELOP WITHIN
THIS WAA BAND. HOWEVER...DEEPEST MSTR FOCUSED AT MID LVLS...AND
MAY ONLY PRODUCE SPRINKLES/FEW -SHRA WITH RELATIVELY DRY AIR AT SFC.

TUE...MANY SIMILARITIES TO TDAS SCENARIO...EXCEPT SFC DWPTS SHUD BE
SOMEWHAT LOWER. WARM SECTOR WL SPREAD INTO CWA ON STRONG SW BREEZE...
AND COLD FRNT WL THEN PUSH INTO REGION DURG AFTN/EVE AND WL LIKELY
PRODUCE ANOTHER ROUND OF STRONG/SVR TSTMS.

CVG 57/73/59/85 8026
DAY 52/71/56/81 7026
CMH 53/72/54/82 7016
PRT 60/75/54/86 8015

ROWLEY

In the hours before

Special weather statement, May 31, 6:45 PM EDT, 46 minutes before

OHZ065-073-010400-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
645 PM EDT SUN MAY 31 1998

...TORNADO WATCH IN EFFECT UNTIL 1 AM EDT...

THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH VALID UNTIL 1
AM EDT. THIS TORNADO WATCH INCLUDES THE OHIO COUNTIES OF FAIRFIELD
AND HOCKING. THIS IS IN ADDITION TO THE TORNADO AND SEVERE
THUNDERSTORM WATCHES WHICH ARE VALID UNTIL 10 PM EDT.

A STRONG COLD FRONT WILL MOVE INTO THE REGION THIS EVENING. A LINE
OF THUNDERSTORMS HAD FORMED AHEAD OF THIS FRONT ACROSS THE NORTHERN
MIAMI VALLEY. THUNDERSTORMS WILL CONTINUE TO DEVELOP FURTHER SOUTH
AND EAST INTO THE WATCH AREA THIS EVENING. CONDITIONS WILL BE
FAVORABLE FOR ANY THUNDERSTORMS TO PRODUCE TORNADOES...DAMAGING WIND
GUSTS... AND LARGE HAIL.

SEEK SHELTER QUICKLY IF THREATENING WEATHER APPROACHES YOUR
LOCATION. STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS
FOR WARNINGS THAT MAY BE ISSUED.

PARKER

Special weather statement, May 31, 6:45 PM EDT, 46 minutes before

OHZ065-073-010400-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
645 PM EDT SUN MAY 31 1998

...TORNADO WATCH IN EFFECT UNTIL 1 AM EDT...

THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH VALID UNTIL 1
AM EDT. THIS TORNADO WATCH INCLUDES THE OHIO COUNTIES OF FAIRFIELD
AND HOCKING. THIS IS IN ADDITION TO THE TORNADO AND SEVERE
THUNDERSTORM WATCHES WHICH ARE VALID UNTIL 10 PM EDT.

A STRONG COLD FRONT WILL MOVE INTO THE REGION THIS EVENING. A LINE
OF THUNDERSTORMS HAD FORMED AHEAD OF THIS FRONT ACROSS THE NORTHERN
MIAMI VALLEY. THUNDERSTORMS WILL CONTINUE TO DEVELOP FURTHER SOUTH
AND EAST INTO THE WATCH AREA THIS EVENING. CONDITIONS WILL BE
FAVORABLE FOR ANY THUNDERSTORMS TO PRODUCE TORNADOES...DAMAGING WIND
GUSTS... AND LARGE HAIL.

SEEK SHELTER QUICKLY IF THREATENING WEATHER APPROACHES YOUR
LOCATION. STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS
FOR WARNINGS THAT MAY BE ISSUED.

PARKER

Local storm report, May 31, 7:19 PM EDT, 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
719 PM EDT SUN MAY 31 1998

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

0558 PM    CHICKASAW                 OH   .75 INCH HAIL
05/31/98   MERCER

0614 PM    WAPAKONETA                OH   1.75 INCH HAIL
05/31/98   AUGLAIZE

0616 PM    BOTKINS                   OH   1.5 INCH HAIL
05/31/98   SHELBY

Local storm report, May 31, 7:19 PM EDT, 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
719 PM EDT SUN MAY 31 1998

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

0558 PM    CHICKASAW                 OH   .75 INCH HAIL
05/31/98   MERCER

0614 PM    WAPAKONETA                OH   1.75 INCH HAIL
05/31/98   AUGLAIZE

0616 PM    BOTKINS                   OH   1.5 INCH HAIL
05/31/98   SHELBY

Local storm report, May 31, 7:23 PM EDT, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
723 PM EDT SUN MAY 31 1998

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

0641 PM                              OH   .75 INCH HAIL
05/31/98   LOGAN                          AT BELL CENTER HAIL LASTED
                                          OVER 5 MINS.

Local storm report, May 31, 7:23 PM EDT, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
723 PM EDT SUN MAY 31 1998

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

0641 PM                              OH   .75 INCH HAIL
05/31/98   LOGAN                          AT BELL CENTER HAIL LASTED
                                          OVER 5 MINS.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 3:26 PM EDT	Severe Thunderstorm Warning	ILN	Mercer	59 min
May 31, 4:05 PM EDT	Severe Thunderstorm Warning	ILN	Hardin	50 min
May 31, 5:50 PM EDT	Severe Thunderstorm Warning	ILN	Mercer	35 min
May 31, 6:00 PM EDT	Severe Thunderstorm Warning	ILN	Auglaize	40 min
May 31, 6:06 PM EDT	Severe Thunderstorm Warning	ILN	Shelby	49 min
May 31, 6:21 PM EDT	Severe Thunderstorm Warning	ILN	Hardin, Logan	49 min
May 31, 6:42 PM EDT	Severe Thunderstorm Warning	ILN	Union	48 min
May 31, 7:04 PM EDT	Severe Thunderstorm Warning	ILN	Preble	36 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; the sounding from the Mesonet's radiosonde archive.