Alert archive / Ohio / Tornado Watches in 1998
Tornado Watch 479
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 3:30 PM EDT | Severe Thunderstorm Warning | BUF | Wayne | 65 min |
| May 31, 3:47 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Geauga, Lake | 63 min |
| May 31, 3:52 PM EDT | Tornado Warning | CLE | Cuyahoga, Geauga, Lake | 63 min |
| May 31, 3:55 PM EDT | Severe Thunderstorm Warning | BGM | Steuben | 65 min |
| May 31, 3:58 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 32 min |
| May 31, 3:59 PM EDT | Tornado Warning | CLE | Ashtabula | 31 min |
| May 31, 4:01 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 64 min |
| May 31, 4:05 PM EDT | Severe Thunderstorm Warning | BUF | Allegany | 65 min |
| May 31, 4:08 PM EDT | Tornado Warning | BGM | Chemung, Steuben | 62 min |
| May 31, 4:11 PM EDT | Severe Thunderstorm Warning | BUF | Chautauqua, Erie | 79 min |
| May 31, 4:35 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 50 min |
| May 31, 4:42 PM EDT | Tornado Warning | CLE | Erie | 48 min |
| May 31, 4:49 PM EDT | Tornado Warning | BUF | Allegany | 46 min |
| May 31, 4:52 PM EDT | Severe Thunderstorm Warning | CLE | Huron | 63 min |
| May 31, 4:52 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton | 68 min |
| May 31, 4:56 PM EDT | Severe Thunderstorm Warning | CLE | Knox | 64 min |
| May 31, 5:08 PM EDT | Tornado Warning | BGM | Steuben | 62 min |
| May 31, 5:08 PM EDT | Tornado Warning | BUF | Chautauqua | 47 min |
| May 31, 5:12 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 48 min |
| May 31, 5:17 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Wyoming | 63 min |
| May 31, 5:20 PM EDT | Severe Thunderstorm Warning | CLE | Lorain | 65 min |
| May 31, 5:23 PM EDT | Tornado Warning | BGM | Schuyler | 62 min |
| May 31, 5:24 PM EDT | Severe Thunderstorm Warning | BUF | Erie | 61 min |
| May 31, 5:25 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 65 min |
| May 31, 5:27 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga | 63 min |
| May 31, 5:28 PM EDT | Severe Thunderstorm Warning | PBZ | Tuscarawas | 47 min |
| May 31, 5:32 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 63 min |
| May 31, 5:36 PM EDT | Severe Thunderstorm Warning | CLE | Holmes | 49 min |
| May 31, 5:39 PM EDT | Severe Thunderstorm Warning | CLE | Geauga | 61 min |
| May 31, 5:41 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Harrison | 64 min |
| May 31, 5:50 PM EDT | Severe Thunderstorm Warning | CLE | Summit | 50 min |
| May 31, 5:52 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 63 min |
| May 31, 5:53 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua | 62 min |
| May 31, 5:56 PM EDT | Severe Thunderstorm Warning | PBZ | Columbiana, Jefferson | 49 min |
| May 31, 6:02 PM EDT | Severe Thunderstorm Warning | BUF | Allegany | 63 min |
| May 31, 6:03 PM EDT | Severe Thunderstorm Warning | CLE | Portage, Trumbull | 62 min |
| May 31, 6:07 PM EDT | Severe Thunderstorm Warning | CLE | Stark | 33 min |
| May 31, 6:13 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 62 min |
| May 31, 6:17 PM EDT | Severe Thunderstorm Warning | BUF | Monroe, Orleans | 63 min |
| May 31, 6:25 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Geauga, Lorain | 60 min |
| May 31, 6:26 PM EDT | Tornado Warning | CTP | McKean | 34 min |
| May 31, 6:32 PM EDT | Tornado Warning | BGM | Chemung, Tioga | 63 min |
| May 31, 6:44 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 61 min |
| May 31, 6:46 PM EDT | Severe Thunderstorm Warning | CLE | Lake | 49 min |
| May 31, 6:48 PM EDT | Severe Thunderstorm Warning | PBZ | Forest, Mercer, Venango | 57 min |
| May 31, 6:50 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 65 min |
| May 31, 6:54 PM EDT | Flash Flood Warning | BGM | Seneca | 2 hr |
| May 31, 6:59 PM EDT | Severe Thunderstorm Warning | CLE | Morrow | 61 min |
| May 31, 7:07 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean | 63 min |
| May 31, 7:20 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 65 min |
| May 31, 7:20 PM EDT | Severe Thunderstorm Warning | CTP | Cameron | 65 min |
| May 31, 7:20 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 55 min |
| May 31, 7:23 PM EDT | Severe Thunderstorm Warning | CLE | Knox, Richland | 62 min |
| May 31, 7:28 PM EDT | Tornado Warning | CTP | Elk | 62 min |
| May 31, 7:35 PM EDT | Tornado Warning | CTP | Tioga | 50 min |
| May 31, 7:39 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Tioga | 61 min |
| May 31, 7:40 PM EDT | Severe Thunderstorm Warning | CLE | Holmes | 65 min |
| May 31, 7:53 PM EDT | Tornado Warning | CTP | Cameron | 62 min |
| May 31, 7:54 PM EDT | Severe Thunderstorm Warning | CLE | Morrow | 46 min |
| May 31, 7:56 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 64 min |
| May 31, 8:00 PM EDT | Severe Thunderstorm Warning | PBZ | Tuscarawas | 45 min |
| May 31, 8:03 PM EDT | Severe Thunderstorm Warning | CLE | Stark | 62 min |
| May 31, 8:09 PM EDT | Severe Thunderstorm Warning | CLE | Ashland | 46 min |
| May 31, 8:12 PM EDT | Tornado Warning | CTP | Clinton, Potter | 78 min |
| May 31, 8:15 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Columbiana | 50 min |
| May 31, 8:38 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 57 min |
| May 31, 8:50 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 50 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.
- 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
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 9:00 AM EDT | Tornado Watch | SPC | Cattaraugus, Cayuga, Chautauqua, Clinton, Erie, Essex and 21 more | 6 hr |
| May 31, 3:00 PM EDT | Tornado Watch | SPC | Albany, Broome, Chemung, Chenango, Columbia, Cortland and 19 more | 5 hr |
| May 31, 5:00 PM EDT | Tornado Watch | SPC | Bronx, Kings, Nassau, New York, Orange, Putnam and 4 more | 5 hr |
| May 31, 10:30 AM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Carroll, Columbiana, Coshocton, Crawford and 29 more | 5 hr |
| May 31, 1:15 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Auglaize, Champaign, Crawford, Darke, Defiance and 21 more | 6 hr |
| May 31, 4:00 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Butler, Champaign, Clark, Clermont and 16 more | 6 hr |
| May 31, 6:30 PM EDT | Tornado Watch | SPC | Athens, Belmont, Fairfield, Gallia, Guernsey, Harrison and 12 more | 7 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.