Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 366, NWS Cleveland, OH

August 24, 1998Geauga County, Lake County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 24, 1998, 7:58 AM EDT for Geauga County, Lake County, Ohio. It was in force for 47 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
Aug 24, 1998, 7:58 AM EDT (11:58 UTC)
Expired
Aug 24, 1998, 8:45 AM EDT
In force
47 min
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Geauga County, OH, Lake County, OH

The radar

The Cleveland radar (KCLE), 58 km from the middle of the area, began a volume at 11:57 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
Aug 24, 8:00 AM EDTThunderstorm WindCountywide, OHTrees were downed, some on roadways.
Aug 24, 8:05 AM EDTThunderstorm Wind 55Countywide, OHNumerous trees and power lines were downed. At Fairport Harbor, a wind gust was measured at 63 miles per hour.

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
Aug 24, 5:45 AM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 12.0 hours before the alert went out and 163 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, Pittsburgh, PA at 00:00Z on 1998-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1194 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 1998-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
1194 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
1306 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCLE 241158 RRA
SVRCLE
OHC055-085-OHZ525-241245-

BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
758 AM EDT MON AUG 24 1998

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GEAUGA COUNTY IN NORTHEASTERN OHIO
  LAKE COUNTY INCLUDING ADJACENT COASTAL WATERS IN NORTHEASTERN OHIO

* UNTIL 845 AM EDT

* AT 757 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 12 MILES NORTHEAST OF DOWNTOWN CLEVELAND OR 5
  MILES WEST OF LAKELINE MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL MOVE NEAR...
  EASTLAKE
  WICKLIFFE
  WILLOUGHBY
  MENTOR
  CHARDON

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

GABRIC

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, Aug 24, 4:40 AM EDT, 3 hours 18 minutes before
OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-251000-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CLEVELAND OH
440 AM EDT MON AUG 24 1998

SOME OF THE THUNDERSTORMS IN NORTHERN OHIO AND ERIE AND CRAWFORD
COUNTIES IN NORTHWEST PENNSYLVANIA COULD BECOME SEVERE TODAY AND
TONIGHT.

NORTHERN OHIO AND NORTHWEST PENNSYLVANIA WILL BE IN A MOIST AND
UNSTABLE SOUTHWEST FLOW THROUGH TONIGHT. WEATHER SYSTEMS IN THIS WILL
TRIGGER SCATTERED THUNDERSTORMS. SOME OF THESE THUNDERSTORMS COULD
BECOME SEVERE WITH DAMAGING WINDS AND LARGE HAIL.

SPOTTER ACTIVATION MAY BE NEEDED AT TIMES THROUGH TONIGHT.

KIELTYKA
Special weather statement, Aug 24, 4:40 AM EDT, 3 hours 18 minutes before
OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-251000-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CLEVELAND OH
440 AM EDT MON AUG 24 1998

SOME OF THE THUNDERSTORMS IN NORTHERN OHIO AND ERIE AND CRAWFORD
COUNTIES IN NORTHWEST PENNSYLVANIA COULD BECOME SEVERE TODAY AND
TONIGHT.

NORTHERN OHIO AND NORTHWEST PENNSYLVANIA WILL BE IN A MOIST AND
UNSTABLE SOUTHWEST FLOW THROUGH TONIGHT. WEATHER SYSTEMS IN THIS WILL
TRIGGER SCATTERED THUNDERSTORMS. SOME OF THESE THUNDERSTORMS COULD
BECOME SEVERE WITH DAMAGING WINDS AND LARGE HAIL.

SPOTTER ACTIVATION MAY BE NEEDED AT TIMES THROUGH TONIGHT.

KIELTYKA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 6:27 AM EDTSevere Thunderstorm WarningCLELucas, Wood63 min
Aug 24, 7:18 AM EDTSevere Thunderstorm WarningCLEOttawa, Sandusky62 min
Aug 24, 7:23 AM EDTSevere Thunderstorm WarningCLEWood47 min
Aug 24, 7:52 AM EDTSevere Thunderstorm WarningCLEHuron, Seneca63 min
Aug 24, 8:17 AM EDTSevere Thunderstorm WarningCLEAshtabula63 min
Aug 24, 8:34 AM EDTSevere Thunderstorm WarningCLERichland66 min
Aug 24, 8:43 AM EDTSevere Thunderstorm WarningCLELorain, Medina47 min
Aug 24, 8:52 AM EDTSevere Thunderstorm WarningCLEAshland, Wayne48 min
Aug 24, 9:01 AM EDTSevere Thunderstorm WarningCLEWyandot49 min
Aug 24, 9:15 AM EDTSevere Thunderstorm WarningCLEStark, Summit65 min
Aug 24, 9:32 AM EDTSevere Thunderstorm WarningCLEHolmes, Knox48 min
Aug 24, 2:23 PM EDTTornado WarningCLEWayne47 min
Aug 24, 2:40 PM EDTSevere Thunderstorm WarningCLEHolmes65 min
Aug 24, 2:54 PM EDTTornado WarningCLEHolmes46 min
Aug 24, 5:07 PM EDTSevere Thunderstorm WarningCLEStark63 min
Aug 24, 5:44 PM EDTSevere Thunderstorm WarningCLEHolmes66 min
Aug 24, 6:13 PM EDTSevere Thunderstorm WarningCLEHancock, Lucas, Wood62 min
Aug 24, 6:37 PM EDTSevere Thunderstorm WarningCLEOttawa, Sandusky, Seneca63 min
Aug 24, 6:37 PM EDTSevere Thunderstorm WarningCLEWyandot63 min
Aug 24, 7:02 PM EDTSevere Thunderstorm WarningCLECrawford, Marion63 min
Aug 24, 7:11 PM EDTSevere Thunderstorm WarningCLEErie, Huron64 min
Aug 24, 7:16 PM EDTSevere Thunderstorm WarningCLEMorrow, Richland64 min
Aug 24, 7:39 PM EDTSevere Thunderstorm WarningCLELorain61 min
Aug 24, 7:48 PM EDTSevere Thunderstorm WarningCLEAshland, Knox62 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.