Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 55, NWS Cleveland, OH

May 31, 1998Ottawa County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 31, 1998, 10:07 AM EDT for Ottawa County, Ohio. It was in force for 48 min. 2 reports 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 31, 1998, 10:07 AM EDT (14:07 UTC)
Expired
May 31, 1998, 10:55 AM EDT
In force
48 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Ottawa County, OH

What was reported inside it

TimeReportWhereRemark
May 31, 10:25 AM EDTThunderstorm WindPort Clinton, OHTrees were downed.
May 31, 10:25 AM EDTThunderstorm Wind 52Catawba Is, OH

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 nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 2.1 hours before the alert went out and 142 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, Detroit, MI at 12:00Z on 1998-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Detroit, MI at 12:00Z on 1998-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1019 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

867 
WUUS1 KCLE 311408 RRA
SVRCLE
OHC123-OHZ521-311455-

BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1007 AM EDT SUN MAY 31 1998

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  OTTAWA COUNTY INCLUDING ADJACENT COASTAL WATERS IN NORTHWESTERN OHIO

* UNTIL 1055 AM EDT

* AT 1005 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 11 MILES NORTH OF PORT CLINTON OR 9 MILES WEST OF
  PUT IN BAY MOVING EAST AT 55 MPH.

* THE SEVERE THUNDERSTORM WILL MOVE NEAR...
  PUT IN BAY
  MIDDLE BASS

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

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 31, 6:10 AM EDT, 3 hours 57 minutes before
OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-010000-
SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CLEVELAND OH
610 AM EDT SUN MAY 31 1998

THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS INDICATED THAT THERE
IS A MODERATE RISK OF SEVERE THUNDERSTORMS ACROSS NORTHERN OHIO AND
NORTHWEST PENNSYLVANIA THROUGH EARLY TONIGHT.

A VERY WARM AND HUMID AIR MASS ACROSS THE REGION WILL BECOME
INCREASINGLY UNSTABLE DURING THE COURSE OF THE DAY. A COLD FRONT
APPROACHING FROM THE CENTRAL GREAT LAKES WILL PROVIDE THE TRIGGER FOR
THUNDERSTORM DEVELOPMENT TODAY. LARGE HAIL AND DAMAGING WINDS WILL BE
THE PRIMARY THREAT FROM THE STORMS...BUT WIND FIELDS ARE FAVORABLE FOR
THE POSSIBILITY OF TORNADOES AS WELL.

PEOPLE ACROSS NORTHERN OHIO AND NORTHWEST PENNSYLVANIA ARE ADVISED TO
STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR UPDATES AND
POSSIBLE WATCHES OR WARNINGS.

SKYWARN ACTIVATION MAY BE NEEDED TODAY.

MILLER
Special weather statement, May 31, 6:10 AM EDT, 3 hours 57 minutes before
OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-010000-
SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CLEVELAND OH
610 AM EDT SUN MAY 31 1998

THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS INDICATED THAT THERE
IS A MODERATE RISK OF SEVERE THUNDERSTORMS ACROSS NORTHERN OHIO AND
NORTHWEST PENNSYLVANIA THROUGH EARLY TONIGHT.

A VERY WARM AND HUMID AIR MASS ACROSS THE REGION WILL BECOME
INCREASINGLY UNSTABLE DURING THE COURSE OF THE DAY. A COLD FRONT
APPROACHING FROM THE CENTRAL GREAT LAKES WILL PROVIDE THE TRIGGER FOR
THUNDERSTORM DEVELOPMENT TODAY. LARGE HAIL AND DAMAGING WINDS WILL BE
THE PRIMARY THREAT FROM THE STORMS...BUT WIND FIELDS ARE FAVORABLE FOR
THE POSSIBILITY OF TORNADOES AS WELL.

PEOPLE ACROSS NORTHERN OHIO AND NORTHWEST PENNSYLVANIA ARE ADVISED TO
STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR UPDATES AND
POSSIBLE WATCHES OR WARNINGS.

SKYWARN ACTIVATION MAY BE NEEDED TODAY.

MILLER

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 10:00 AM EDTSevere Thunderstorm WarningCLESandusky50 min
May 31, 10:16 AM EDTSevere Thunderstorm WarningCLEErie49 min
May 31, 11:13 AM EDTSevere Thunderstorm WarningCLECuyahoga, Lake47 min
May 31, 11:25 AM EDTSevere Thunderstorm WarningCLEGeauga50 min
May 31, 11:41 AM EDTSevere Thunderstorm WarningCLEAshtabula49 min
May 31, 2:32 PM EDTSevere Thunderstorm WarningCLEWood58 min
May 31, 2:51 PM EDTTornado WarningCLEWood59 min
May 31, 3:15 PM EDTSevere Thunderstorm WarningCLESandusky, Seneca60 min
May 31, 3:20 PM EDTSevere Thunderstorm WarningCLEHancock65 min
May 31, 3:47 PM EDTSevere Thunderstorm WarningCLECuyahoga, Geauga, Lake63 min
May 31, 3:52 PM EDTTornado WarningCLECuyahoga, Geauga, Lake63 min
May 31, 3:59 PM EDTTornado WarningCLEAshtabula31 min
May 31, 4:07 PM EDTSevere Thunderstorm WarningCLEWyandot63 min
May 31, 4:20 PM EDTSevere Thunderstorm WarningCLESeneca50 min
May 31, 4:35 PM EDTSevere Thunderstorm WarningCLEAshtabula50 min
May 31, 4:52 PM EDTSevere Thunderstorm WarningCLEHuron63 min
May 31, 4:56 PM EDTSevere Thunderstorm WarningCLEKnox64 min
May 31, 5:20 PM EDTSevere Thunderstorm WarningCLELorain65 min
May 31, 5:25 PM EDTSevere Thunderstorm WarningCLEErie65 min
May 31, 5:27 PM EDTSevere Thunderstorm WarningCLECuyahoga63 min
May 31, 5:32 PM EDTSevere Thunderstorm WarningCLEAshtabula63 min
May 31, 5:36 PM EDTSevere Thunderstorm WarningCLEHolmes49 min
May 31, 5:39 PM EDTSevere Thunderstorm WarningCLEGeauga61 min
May 31, 5:50 PM EDTSevere Thunderstorm WarningCLESummit50 min
May 31, 6:03 PM EDTSevere Thunderstorm WarningCLEPortage, Trumbull62 min
May 31, 6:07 PM EDTSevere Thunderstorm WarningCLEStark33 min
May 31, 6:25 PM EDTSevere Thunderstorm WarningCLECuyahoga, Geauga, Lorain60 min
May 31, 6:46 PM EDTSevere Thunderstorm WarningCLELake49 min
May 31, 6:48 PM EDTSevere Thunderstorm WarningCLEMarion62 min
May 31, 6:59 PM EDTSevere Thunderstorm WarningCLEMorrow61 min
May 31, 7:23 PM EDTSevere Thunderstorm WarningCLEKnox, Richland62 min
May 31, 7:40 PM EDTSevere Thunderstorm WarningCLEHolmes65 min
May 31, 7:50 PM EDTSevere Thunderstorm WarningCLEMarion35 min
May 31, 7:54 PM EDTSevere Thunderstorm WarningCLEMorrow46 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.