Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 97, NWS Wilmington, OH

May 29, 1998Licking County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at May 29, 1998, 5:35 PM EDT for Licking County, Ohio. It was in force for 65 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
May 29, 1998, 5:35 PM EDT (21:35 UTC)
Expired
May 29, 1998, 6:40 PM EDT
In force
65 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Licking County, OH

The radar

The Cincinnati radar (KILN), 137 km from the middle of the area, began a volume at 21:35 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
May 29, 6:00 PM EDTThunderstorm Wind 59Hartford, OHWinds gusted to 70 mph causing downed trees and power lines.

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
May 29, 2:00 PM EDTSevere Thunderstorm WatchSPC6 hr
May 29, 3:30 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.6 hours before the alert went out and 135 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 12:00Z on 1998-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 410 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 12:00Z on 1998-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.1939Sfc1 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
410 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
1085 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KILN 292135 RRA
SVRILN
OHC089-292240-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
535 PM EDT FRI MAY 29 1998

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

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

* EFFECTIVE UNTIL 640 PM EDT.

* AT 532 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 8
  MILES WEST OF JOHNSTOWN MOVING EAST AT 25 MPH.

* THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS IN NORTHERN
  FRANKLIN COUNTY.

* SOME LOCATIONS AFFECTED...
        ALEXANDRIA              BY 545 PM EDT..
        GRANVILLE               BY 550 PM EDT..

* IF YOU ARE IN THE PATH OF THIS THUNDERSTORM...MOV,E INDOORS AND
  STAY AWAY FROM WINDOWS.


IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...EXTREMELY INTENSE
LIGHTNING IS ALSO LIKELY WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM TALL OBJECTS.

DIAN-REED

&

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 May 29, 2:55 PM EDT, 2 hours 40 minutes earlier.

Area forecast discussion, May 29, 2:55 PM EDT, 2 hours 40 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
255 PM EDT FRI MAY 29 1998

MAIN COLD FRNT STILL WELL N OF REGION ACRS N LWR MI THRU CNTL LAKE
MI/CNTL WI...WL PUSH INTO CWA IN WEAKENED STATE LATER TONITE AND SHUD
STALL OUT SOMEWHERE N OF OH RVR. WITHIN CWA...DWPT BOUNDARY PUSHING
TWD S THRU NW COUNTIES...SCT TSTMS NOW DEVELOPING ALONG THIS BOUNDARY.
FARTHER S...ISOLD SHRA/TSRA HAVE BEEN DEVELOPING/DISSIPATING ALONG OLD
OUTFLW BOUNDARY INVOF RICH-DAY-CMH. THESE BOUNDARIES SHUD REMAIN FOCUS
FOR TSTM DEVELOPMNT WELL INTO THIS EVE...AND NEW OUTFLW BOUNDARIES WILL
COMPLICATE THIS SIMPLIFIED SCENARIO. MEANWHILE...TSTMS SHUD GRADUALLY
DIMINISH AFTER DARK...BUT MAIN COLD FRNT MAY PRODUCE A FEW ADDL
SHRA/TSRA...ESP N OF OH RVR...AS IT PUSHES INTO REGION LATER TONITE.
SUGGEST POPS AT LEAST THRU THIS EVE...GRADUATED FROM ABT 50% CNTL/N
SECTIONS (WITH MENTION OF SVR) TO 20-30% FAR S.

SAT...XPCT ANOTHER VERY WARM AND HUMID DAY. SFC BNDRY WL REMAIN NEARLY
STATIONARY ACRS CWA AND WL PROVIDE ANOTHER CHC FOR SCT TSRA...ESP PM
AND ESP N OF OH RVR.

SAT NITE...SFC LO OVR N PLAINS WL INTENSIFY AND HEAD INTO N GREAT
LAKES. AS A RESULT...SW FLW/WAA WL INTENSIFY ACRS CWA...AND SFC
BOUNDARY WL HEAD N AS WARM FRNT. MDS SUGGEST MCS WL DEVELOP N OF WARM
FRNT AND PROGGED TO PASS JUST N OF CWA. HOWEVER...ETA GRIDDED/GARP
DATA SUGGESTS OUTFLW FROM MCS WL INTERACT WITH WAA TO PRODUCE NEW TSTMS
INVOF N/W SECTIONS TWD SUN AM.

SUN...STRONG COLD FRNT WL APPROACH REGION FROM NW...AND WARMEST AIRMASS
SO FAR THIS SEASON WL FLOOD INTO CWA ON STRONG SW WINDS. ODDS ARE COLD
FRNT WL REMAIN NW OF CWA THRU DAY...BUT CONDITIONS WILL BECOME
FAVORABLE FOR TSTMS DURG PM...SOME LIKELY SEVER...AND PREFER LIKELY
POPS PER AVN MOS.

CVG 64/88/70/92 3326
DAY 64/86/68/92 4436
CMH 62/87/68/92 4426
PRT 61/89/68/94 2326

ROWLEY

In the hours before

Special weather statement, May 29, 2:05 PM EDT, 3 hours 30 minutes before
OHZ045-046-054>056-065-300000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
205 PM EDT FRI MAY 29 1998

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR PARTS OF CENTRAL OHIO...

THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS ISSUED A SEVERE
THUNDERSTORM WATCH...EFFECTIVE UNTIL 8 PM EDT...FOR PARTS OF CENTRAL
OHIO.

CITIES IN THE WATCH AREA INCLUDE COLUMBUS...NEWARK...DELAWARE AND
MARYSVILLE.

AT 2 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED WIDELY
SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING WITHIN THE WATCH
AREA. THUNDERSTORMS WILL BECOME MORE NUMEROUS THIS AFTERNOON...AND
CONDITIONS WILL BE FAVORABLE FOR ANY THUNDERSTORMS TO PRODUCE
DAMAGING WIND GUSTS AND LARGE HAIL.

IF YOU ARE LOCATED WITHIN OR CLOSE TO THE WATCH AREA...STAY TUNED TO
NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS FOR UPDATES...INCLUDING
POSSIBLE WARNINGS.

ROWLEY
Special weather statement, May 29, 2:05 PM EDT, 3 hours 30 minutes before
OHZ045-046-054>056-065-300000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
205 PM EDT FRI MAY 29 1998

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR PARTS OF CENTRAL OHIO...

THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS ISSUED A SEVERE
THUNDERSTORM WATCH...EFFECTIVE UNTIL 8 PM EDT...FOR PARTS OF CENTRAL
OHIO.

CITIES IN THE WATCH AREA INCLUDE COLUMBUS...NEWARK...DELAWARE AND
MARYSVILLE.

AT 2 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED WIDELY
SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING WITHIN THE WATCH
AREA. THUNDERSTORMS WILL BECOME MORE NUMEROUS THIS AFTERNOON...AND
CONDITIONS WILL BE FAVORABLE FOR ANY THUNDERSTORMS TO PRODUCE
DAMAGING WIND GUSTS AND LARGE HAIL.

IF YOU ARE LOCATED WITHIN OR CLOSE TO THE WATCH AREA...STAY TUNED TO
NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS FOR UPDATES...INCLUDING
POSSIBLE WARNINGS.

ROWLEY
Special weather statement, May 29, 3:37 PM EDT, 1 hour 58 minutes before
OHZ026-034-035-042>046-051>056-060>065-074-INZ050-058-059-300100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
335 PM EDT (235 PM EDT) FRI MAY 29 1998

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 9 PM EDT (8 PM EST)
EAST CENTRAL INDIANA...THE MIAMI VALLEY OF OHIO AND CENTRAL OHIO...

THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS ISSUED A SEVERE
THUNDERSTORM WATCH...EFFECTIVE UNTIL 8 PM EDT...FOR EAST CENTRAL
INDIANA...THE MIAMI VALLEY OF OHIO AND CENTRAL OHIO.

CITIES IN THE WATCH AREA INCLUDE COLUMBUS...DAYTON...BELLEFONTAINE
AND RICHMOND INDIANA.

FOR SOME LOCATIONS IN CENTRAL OHIO...INCLUDING DELAWARE...MARYSVILLE...
LONDON...NEWARK AND LANCASTER...THIS WATCH REPLACES THE PREVIOUS SEVERE
THUNDERSTORM WATCH THAT WAS IN EFFECT UNTIL 8 PM EDT.

AT 330 PM EDT (230 PM EST)...NATIONAL WEATHER SERVICE DOPPLER RADAR
SHOWED A LINE OF STRONG THUNDERSTORMS BETWEEN CELINA...WAPAKONETA AND
KENTON...WHILE ADDITIONAL SCATTERED THUNDERSTORMS WERE LOCATED NORTHEAST
OF COLUMBUS. THUNDERSTORMS WILL DEVELOP FARTHER SOUTH INTO THE WATCH
AREA THIS AFTERNOON AND EVENING...AND CONDITIONS WILL BE FAVORABLE FOR
ANY THUNDERSTORMS TO PRODUCE DAMAGING WIND GUSTS AND LARGE HAIL.

IF YOU ARE LOCATED WITHIN OR CLOSE TO THE WATCH AREA...STAY TUNED TO
NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS FOR UPDATES...INCLUDING
POSSIBLE WARNINGS.

ROWLEY
Special weather statement, May 29, 3:47 PM EDT, 1 hour 48 minutes before
OHZ026-034-035-042>046-051>056-060>065-074-INZ050-058-059-300100-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE WILMINGTON OH
345 PM EDT (245 PM EDT) FRI MAY 29 1998

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 9 PM EDT (8 PM EST)
EAST CENTRAL INDIANA...THE MIAMI VALLEY OF OHIO AND CENTRAL OHIO...

THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS ISSUED A SEVERE
THUNDERSTORM WATCH...EFFECTIVE UNTIL 9 PM EDT (8 PM EST)...FOR EAST
CENTRAL INDIANA...THE MIAMI VALLEY OF OHIO AND CENTRAL OHIO.

CITIES IN THE WATCH AREA INCLUDE COLUMBUS...DAYTON...BELLEFONTAINE
AND RICHMOND INDIANA.

FOR SOME LOCATIONS IN CENTRAL OHIO...INCLUDING DELAWARE...MARYSVILLE...
LONDON...NEWARK AND LANCASTER...THIS WATCH REPLACES THE PREVIOUS SEVERE
THUNDERSTORM WATCH THAT WAS IN EFFECT UNTIL 8 PM EDT.

AT 330 PM EDT (230 PM EST)...NATIONAL WEATHER SERVICE DOPPLER RADAR
SHOWED A LINE OF STRONG THUNDERSTORMS BETWEEN CELINA...WAPAKONETA AND
KENTON...WHILE ADDITIONAL SCATTERED THUNDERSTORMS WERE LOCATED NORTHEAST
OF COLUMBUS. THUNDERSTORMS WILL DEVELOP FARTHER SOUTH INTO THE WATCH
AREA THIS AFTERNOON AND EVENING...AND CONDITIONS WILL BE FAVORABLE FOR
ANY THUNDERSTORMS TO PRODUCE DAMAGING WIND GUSTS AND LARGE HAIL.

IF YOU ARE LOCATED WITHIN OR CLOSE TO THE WATCH AREA...STAY TUNED TO
NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS FOR UPDATES...INCLUDING
POSSIBLE WARNINGS.

...CORRECTED EXPIRATION TIME OF WATCH IN FIRST PARAGARAPH...

ROWLEY
Local storm report, May 29, 4:31 PM EDT, 1 hour 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
431 PM EDT FRI MAY 29 1998

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

0414 PM    RUSHSYLVANIA              OH   .75 INCH HAIL
05/29/98   LOGAN

HOPE
Local storm report, May 29, 5:07 PM EDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
507 PM EDT FRI MAY 29 1998

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

0445 PM    MARYSVILLE                OH   .75 INCH HAIL
05/29/98   UNION                          DIME SIZE HAIL REPORTED BY
                                          MARYSVILLE POLICE DEPT

HOPE

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 3:54 PM EDTSevere Thunderstorm WarningILNLogan46 min
May 29, 4:27 PM EDTSevere Thunderstorm WarningILNUnion58 min
May 29, 5:11 PM EDTSevere Thunderstorm WarningILNDelaware54 min
May 29, 5:13 PM EDTSevere Thunderstorm WarningILNFranklin47 min
May 29, 5:21 PM EDTSevere Thunderstorm WarningILNMiami49 min
May 29, 5:24 PM EDTSevere Thunderstorm WarningILNDarke16 min
May 29, 6:11 PM EDTSevere Thunderstorm WarningILNMiami44 min
May 29, 6:38 PM EDTSevere Thunderstorm WarningILNClark47 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.