Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 52, NWS Cleveland, OH

May 29, 1998Knox County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 29, 1998, 5:24 PM EDT for Knox County, Ohio. It was in force for 61 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, 5:24 PM EDT (21:24 UTC)
Expired
May 29, 1998, 6:25 PM EDT
In force
61 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Knox County, OH

What was reported inside it

TimeReportWhereRemark
May 29, 6:00 PM EDTThunderstorm WindCountywide, OHNumerous trees were downed. In Bladensburg, a shed was blown on top of a car and the roof was torn off a house.

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, 9.4 hours before the alert went out and 160 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.

409 
WUUS1 KCLE 292125 RRA
SVRCLE
OHC083-292225-

BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
524 PM EDT FRI MAY 29 1998

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  KNOX COUNTY IN NORTH CENTRAL OHIO

* UNTIL 625 PM EDT

* AT 521 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES SOUTHWEST OF MOUNT VERNON OR 4 MILES WEST
  OF BRANDON MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL MOVE NEAR...
  BRANDON
  MARTINSBURG

.SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL. GO INSIDE
A STURDY BUILDING AND STAY AWAY FROM WINDOWS

.COMEAUX

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.

In the hours before

Special weather statement, May 29, 5:19 PM EDT, 5 minutes before
OHZ006-008>010-017>019-027>032-036>038-047-300000-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
519 PM EDT FRI MAY 29 1998

THE NATIONAL WEATHER SERVICE HAS CANCELLED THE SEVERE THUNDERSTORM WATCH
FOR THE FOLLOWING COUNTIES IN NORTHERN OHIO:

ASHLAND            CRAWFORD           ERIE
HANCOCK            HURON              LORAIN
RICHLAND           SANDUSKY           SENECA
STARK              WAYNE              WOOD
WYANDOT

THIS INCLUDES THE CITIES OF...BOWLING GREEN...FREMONT...SANDUSKY...
LORAIN...FINDLAY...MANSFIELD...AND CANTON

A SEVERE THUNDERSTORM WATCH REMAIN IN EFFECT FOR THE FOLLOWING
COUNTIES IN NORTH CENTRAL OHIO UNTIL 9 PM.

HOLMES             KNOX               MARION
MORROW

THIS INCLUDES THE CITY OF MARION
Special weather statement, May 29, 5:19 PM EDT, 5 minutes before
OHZ006-008>010-017>019-027>032-036>038-047-300000-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
519 PM EDT FRI MAY 29 1998

THE NATIONAL WEATHER SERVICE HAS CANCELLED THE SEVERE THUNDERSTORM WATCH
FOR THE FOLLOWING COUNTIES IN NORTHERN OHIO:

ASHLAND            CRAWFORD           ERIE
HANCOCK            HURON              LORAIN
RICHLAND           SANDUSKY           SENECA
STARK              WAYNE              WOOD
WYANDOT

THIS INCLUDES THE CITIES OF...BOWLING GREEN...FREMONT...SANDUSKY...
LORAIN...FINDLAY...MANSFIELD...AND CANTON

A SEVERE THUNDERSTORM WATCH REMAIN IN EFFECT FOR THE FOLLOWING
COUNTIES IN NORTH CENTRAL OHIO UNTIL 9 PM.

HOLMES             KNOX               MARION
MORROW

THIS INCLUDES THE CITY OF MARION

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 4:10 AM EDTSevere Thunderstorm WarningCLEWood30 min
May 29, 2:40 PM EDTSevere Thunderstorm WarningCLEStark65 min
May 29, 2:44 PM EDTSevere Thunderstorm WarningCLEKnox46 min
May 29, 2:52 PM EDTSevere Thunderstorm WarningCLEMahoning48 min
May 29, 3:04 PM EDTSevere Thunderstorm WarningCLEAshland46 min
May 29, 3:08 PM EDTSevere Thunderstorm WarningCLEWayne62 min
May 29, 3:39 PM EDTSevere Thunderstorm WarningCLEStark66 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.