Alert archive / Ohio / Tornado Watches in 1998

Tornado Watch 479

May 31, 199816 counties in New York; 24 counties in Ohio; 16 counties in Pennsylvania

The Storm Prediction Center issued this tornado watch at May 31, 1998, 3:30 PM EDT for 16 counties in New York; 24 counties in Ohio; 16 counties in Pennsylvania. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
May 31, 1998, 3:30 PM EDT (19:30 UTC)
Expired
May 31, 1998, 10:00 PM EDT
In force
7 hr
Issued by
the Storm Prediction Center
All 56 counties

Allegany County, NY, Cattaraugus County, NY, Cayuga County, NY, Chautauqua County, NY, Chemung County, NY, Erie County, NY, Genesee County, NY, Livingston County, NY, Monroe County, NY, Ontario County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Wayne County, NY, Wyoming County, NY, Yates County, NY, Ashland County, OH, Ashtabula County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Cuyahoga County, OH, Erie County, OH, Geauga County, OH, Holmes County, OH, Huron County, OH, Knox County, OH, Lake County, OH, Licking County, OH, Lorain County, OH, Mahoning County, OH, Medina County, OH, Morrow County, OH, Portage County, OH, Richland County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Wayne County, OH, Beaver County, PA, Butler County, PA, Cameron County, PA, Clarion County, PA, Crawford County, PA, Elk County, PA, Erie County, PA, Forest County, PA, Jefferson County, PA, Lawrence County, PA, McKean County, PA, Mercer County, PA, Potter County, PA, Tioga County, PA, Venango County, PA, Warren County, PA

Warnings issued inside it

67 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 31, 3:30 PM EDTSevere Thunderstorm WarningBUFWayne65 min
May 31, 3:47 PM EDTSevere Thunderstorm WarningCLECuyahoga, Geauga, Lake63 min
May 31, 3:52 PM EDTTornado WarningCLECuyahoga, Geauga, Lake63 min
May 31, 3:55 PM EDTSevere Thunderstorm WarningBGMSteuben65 min
May 31, 3:58 PM EDTSevere Thunderstorm WarningCTPPotter32 min
May 31, 3:59 PM EDTTornado WarningCLEAshtabula31 min
May 31, 4:01 PM EDTSevere Thunderstorm WarningCLEErie64 min
May 31, 4:05 PM EDTSevere Thunderstorm WarningBUFAllegany65 min
May 31, 4:08 PM EDTTornado WarningBGMChemung, Steuben62 min
May 31, 4:11 PM EDTSevere Thunderstorm WarningBUFChautauqua, Erie79 min
May 31, 4:35 PM EDTSevere Thunderstorm WarningCLEAshtabula50 min
May 31, 4:42 PM EDTTornado WarningCLEErie48 min
May 31, 4:49 PM EDTTornado WarningBUFAllegany46 min
May 31, 4:52 PM EDTSevere Thunderstorm WarningCLEHuron63 min
May 31, 4:52 PM EDTSevere Thunderstorm WarningPBZCoshocton68 min
May 31, 4:56 PM EDTSevere Thunderstorm WarningCLEKnox64 min
May 31, 5:08 PM EDTTornado WarningBGMSteuben62 min
May 31, 5:08 PM EDTTornado WarningBUFChautauqua47 min
May 31, 5:12 PM EDTSevere Thunderstorm WarningCTPWarren48 min
May 31, 5:17 PM EDTSevere Thunderstorm WarningBUFGenesee, Livingston, Wyoming63 min
May 31, 5:20 PM EDTSevere Thunderstorm WarningCLELorain65 min
May 31, 5:23 PM EDTTornado WarningBGMSchuyler62 min
May 31, 5:24 PM EDTSevere Thunderstorm WarningBUFErie61 min
May 31, 5:25 PM EDTSevere Thunderstorm WarningCLEErie65 min
May 31, 5:27 PM EDTSevere Thunderstorm WarningCLECuyahoga63 min
May 31, 5:28 PM EDTSevere Thunderstorm WarningPBZTuscarawas47 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, 5:41 PM EDTSevere Thunderstorm WarningPBZCarroll, Harrison64 min
May 31, 5:50 PM EDTSevere Thunderstorm WarningCLESummit50 min
May 31, 5:52 PM EDTSevere Thunderstorm WarningCLECrawford63 min
May 31, 5:53 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua62 min
May 31, 5:56 PM EDTSevere Thunderstorm WarningPBZColumbiana, Jefferson49 min
May 31, 6:02 PM EDTSevere Thunderstorm WarningBUFAllegany63 min
May 31, 6:03 PM EDTSevere Thunderstorm WarningCLEPortage, Trumbull62 min
May 31, 6:07 PM EDTSevere Thunderstorm WarningCLEStark33 min
May 31, 6:13 PM EDTSevere Thunderstorm WarningPBZAllegheny, Beaver, Washington62 min
May 31, 6:17 PM EDTSevere Thunderstorm WarningBUFMonroe, Orleans63 min
May 31, 6:25 PM EDTSevere Thunderstorm WarningCLECuyahoga, Geauga, Lorain60 min
May 31, 6:26 PM EDTTornado WarningCTPMcKean34 min
May 31, 6:32 PM EDTTornado WarningBGMChemung, Tioga63 min
May 31, 6:44 PM EDTSevere Thunderstorm WarningCTPWarren61 min
May 31, 6:46 PM EDTSevere Thunderstorm WarningCLELake49 min
May 31, 6:48 PM EDTSevere Thunderstorm WarningPBZForest, Mercer, Venango57 min
May 31, 6:50 PM EDTSevere Thunderstorm WarningCTPPotter65 min
May 31, 6:54 PM EDTFlash Flood WarningBGMSeneca2 hr
May 31, 6:59 PM EDTSevere Thunderstorm WarningCLEMorrow61 min
May 31, 7:07 PM EDTSevere Thunderstorm WarningCTPElk, McKean63 min
May 31, 7:20 PM EDTSevere Thunderstorm WarningCTPTioga65 min
May 31, 7:20 PM EDTSevere Thunderstorm WarningCTPCameron65 min
May 31, 7:20 PM EDTSevere Thunderstorm WarningPBZClarion55 min
May 31, 7:23 PM EDTSevere Thunderstorm WarningCLEKnox, Richland62 min
May 31, 7:28 PM EDTTornado WarningCTPElk62 min
May 31, 7:35 PM EDTTornado WarningCTPTioga50 min
May 31, 7:39 PM EDTSevere Thunderstorm WarningBGMChemung, Tioga61 min
May 31, 7:40 PM EDTSevere Thunderstorm WarningCLEHolmes65 min
May 31, 7:53 PM EDTTornado WarningCTPCameron62 min
May 31, 7:54 PM EDTSevere Thunderstorm WarningCLEMorrow46 min
May 31, 7:56 PM EDTSevere Thunderstorm WarningCTPPotter64 min
May 31, 8:00 PM EDTSevere Thunderstorm WarningPBZTuscarawas45 min
May 31, 8:03 PM EDTSevere Thunderstorm WarningCLEStark62 min
May 31, 8:09 PM EDTSevere Thunderstorm WarningCLEAshland46 min
May 31, 8:12 PM EDTTornado WarningCTPClinton, Potter78 min
May 31, 8:15 PM EDTSevere Thunderstorm WarningPBZCarroll, Columbiana50 min
May 31, 8:38 PM EDTSevere Thunderstorm WarningPBZBeaver57 min
May 31, 8:50 PM EDTSevere Thunderstorm WarningPBZButler50 min

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 7.5 hours before the alert went out and 159 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 12:00Z on 1998-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1035 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, Pittsburgh, PA at 12:00Z on 1998-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 198 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
1035 J/kg
Mixed-layer CIN
-145 J/kg
Mixed-layer LCL
1038 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
198 m²/s²
0-3 km storm-relative helicity
281 m²/s²
Significant tornado parameter
0.3
Supercell composite
4.7

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 31, 9:00 AM EDTTornado WatchSPCCattaraugus, Cayuga, Chautauqua, Clinton, Erie, Essex and 21 more6 hr
May 31, 3:00 PM EDTTornado WatchSPCAlbany, Broome, Chemung, Chenango, Columbia, Cortland and 19 more5 hr
May 31, 5:00 PM EDTTornado WatchSPCBronx, Kings, Nassau, New York, Orange, Putnam and 4 more5 hr
May 31, 10:30 AM EDTSevere Thunderstorm WatchSPCAshland, Ashtabula, Carroll, Columbiana, Coshocton, Crawford and 29 more5 hr
May 31, 1:15 PM EDTSevere Thunderstorm WatchSPCAllen, Auglaize, Champaign, Crawford, Darke, Defiance and 21 more6 hr
May 31, 4:00 PM EDTSevere Thunderstorm WatchSPCAdams, Brown, Butler, Champaign, Clark, Clermont and 16 more6 hr
May 31, 6:30 PM EDTTornado WatchSPCAthens, Belmont, Fairfield, Gallia, Guernsey, Harrison and 12 more7 hr

Nearby

Tornado Watches in Ohio, 1998Tornado Watches in New York, 1998Tornado Watches in Pennsylvania, 1998Every tornado watch 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.