Alert archive / Ohio / Severe Thunderstorm Watches in 1998

Severe Thunderstorm Watch 682

June 27, 199855 counties in Ohio; 7 counties in Pennsylvania; 15 counties in West Virginia

The Storm Prediction Center issued this severe thunderstorm watch at Jun 27, 1998, 4:15 PM EDT for 55 counties in Ohio; 7 counties in Pennsylvania; 15 counties in West Virginia. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 27, 1998, 4:15 PM EDT (20:15 UTC)
Expired
Jun 27, 1998, 10:00 PM EDT
In force
6 hr
Issued by
the Storm Prediction Center
All 77 counties

Ashland County, OH, Athens County, OH, Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Crawford County, OH, Cuyahoga County, OH, Delaware County, OH, Erie County, OH, Fairfield County, OH, Franklin County, OH, Fulton County, OH, Geauga County, OH, Guernsey County, OH, Hancock County, OH, Hardin County, OH, Harrison County, OH, Henry County, OH, Hocking County, OH, Holmes County, OH, Huron County, OH, Jefferson County, OH, Knox County, OH, Lake County, OH, Licking County, OH, Lorain County, OH, Lucas County, OH, Madison County, OH, Mahoning County, OH, Marion County, OH, Medina County, OH, Monroe County, OH, Morgan County, OH, Morrow County, OH, Muskingum County, OH, Noble County, OH, Ottawa County, OH, Perry County, OH, Pickaway County, OH, Portage County, OH, Richland County, OH, Ross County, OH, Sandusky County, OH, Seneca County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Union County, OH, Vinton County, OH, Washington County, OH, Wayne County, OH, Wood County, OH, Wyandot County, OH, Allegheny County, PA, Beaver County, PA, Fayette County, PA, Greene County, PA, Lawrence County, PA, Mercer County, PA, Washington County, PA, Brooke County, WV, Doddridge County, WV, Hancock County, WV, Harrison County, WV, Marion County, WV, Marshall County, WV, Monongalia County, WV, Ohio County, WV, Pleasants County, WV, Preston County, WV, Ritchie County, WV, Taylor County, WV, Tyler County, WV, Wetzel County, WV, Wood County, WV

The radar

The Cleveland radar (KCLE), 83 km from the middle of the area, began a volume at 20:17 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 27, 4:20 PM EDTSevere Thunderstorm WarningIWXFulton45 min
Jun 27, 4:24 PM EDTSevere Thunderstorm WarningCLEAshland, Wayne66 min
Jun 27, 4:30 PM EDTSevere Thunderstorm WarningCLESandusky65 min
Jun 27, 4:35 PM EDTTornado WarningCLEAshland, Richland65 min
Jun 27, 4:49 PM EDTFlash Flood WarningCLEKnox, Morrow2 hr
Jun 27, 4:54 PM EDTSevere Thunderstorm WarningCLEKnox66 min
Jun 27, 5:02 PM EDTSevere Thunderstorm WarningIWXHenry33 min
Jun 27, 5:06 PM EDTSevere Thunderstorm WarningCLEWood64 min
Jun 27, 5:09 PM EDTSevere Thunderstorm WarningCLEHolmes66 min
Jun 27, 5:27 PM EDTTornado WarningCLESeneca63 min
Jun 27, 5:32 PM EDTSevere Thunderstorm WarningCLEWayne63 min
Jun 27, 5:35 PM EDTSevere Thunderstorm WarningCLEHancock65 min
Jun 27, 5:37 PM EDTSevere Thunderstorm WarningPBZCoshocton, Tuscarawas76 min
Jun 27, 5:39 PM EDTSevere Thunderstorm WarningCLELorain66 min
Jun 27, 5:40 PM EDTSevere Thunderstorm WarningCLEMedina65 min
Jun 27, 5:55 PM EDTSevere Thunderstorm WarningCLEWyandot65 min
Jun 27, 5:57 PM EDTTornado WarningCLECrawford63 min
Jun 27, 6:00 PM EDTTornado WarningPBZTuscarawas40 min
Jun 27, 6:04 PM EDTSevere Thunderstorm WarningCLESummit66 min
Jun 27, 6:04 PM EDTFlash Flood WarningPBZCoshocton, Guernsey, Tuscarawas4 hr
Jun 27, 6:08 PM EDTSevere Thunderstorm WarningCLECuyahoga62 min
Jun 27, 6:12 PM EDTSevere Thunderstorm WarningCLEMahoning, Stark63 min
Jun 27, 6:15 PM EDTSevere Thunderstorm WarningCLERichland65 min
Jun 27, 6:17 PM EDTSevere Thunderstorm WarningPBZColumbiana58 min
Jun 27, 6:20 PM EDTTornado WarningCLEStark65 min
Jun 27, 6:22 PM EDTSevere Thunderstorm WarningCLEKnox63 min
Jun 27, 6:24 PM EDTSevere Thunderstorm WarningPBZMuskingum31 min
Jun 27, 6:25 PM EDTSevere Thunderstorm WarningCLEMarion, Morrow65 min
Jun 27, 6:29 PM EDTSevere Thunderstorm WarningCLEWyandot66 min
Jun 27, 6:30 PM EDTTornado WarningPBZColumbiana60 min
Jun 27, 6:31 PM EDTSevere Thunderstorm WarningCLEAshland64 min
Jun 27, 6:37 PM EDTTornado WarningPBZHarrison73 min
Jun 27, 6:39 PM EDTTornado WarningPBZTuscarawas31 min
Jun 27, 6:45 PM EDTFlash Flood WarningCLEKnox, Morrow2 hr
Jun 27, 6:47 PM EDTSevere Thunderstorm WarningPBZGuernsey58 min
Jun 27, 6:54 PM EDTFlash Flood WarningPBZHarrison4 hr
Jun 27, 6:57 PM EDTSevere Thunderstorm WarningPBZCarroll63 min
Jun 27, 6:59 PM EDTTornado WarningCLEKnox, Morrow61 min
Jun 27, 7:01 PM EDTSevere Thunderstorm WarningILNDelaware59 min
Jun 27, 7:11 PM EDTSevere Thunderstorm WarningPBZCoshocton29 min
Jun 27, 7:12 PM EDTSevere Thunderstorm WarningILNLicking58 min
Jun 27, 7:14 PM EDTSevere Thunderstorm WarningPBZMuskingum61 min
Jun 27, 7:16 PM EDTSevere Thunderstorm WarningPBZNoble59 min
Jun 27, 7:25 PM EDTFlash Flood WarningPBZColumbiana4 hr
Jun 27, 7:29 PM EDTFlash Flood WarningPBZMuskingum4 hr
Jun 27, 7:43 PM EDTSevere Thunderstorm WarningILNFairfield57 min
Jun 27, 7:43 PM EDTTornado WarningPBZGuernsey27 min
Jun 27, 7:43 PM EDTSevere Thunderstorm WarningRLXPerry62 min
Jun 27, 7:46 PM EDTSevere Thunderstorm WarningCLEMarion64 min
Jun 27, 7:46 PM EDTTornado WarningPBZNoble59 min
Jun 27, 7:51 PM EDTSevere Thunderstorm WarningPBZMonroe69 min
Jun 27, 7:57 PM EDTSevere Thunderstorm WarningRLXMorgan48 min
Jun 27, 7:57 PM EDTSevere Thunderstorm WarningPBZBeaver43 min
Jun 27, 7:57 PM EDTTornado WarningPBZMarshall48 min
Jun 27, 8:06 PM EDTFlash Flood WarningPBZMonroe, Noble3 hr
Jun 27, 8:08 PM EDTSevere Thunderstorm WarningRLXWashington47 min
Jun 27, 8:16 PM EDTSevere Thunderstorm WarningRLXAthens34 min
Jun 27, 8:20 PM EDTTornado WarningPBZGreene60 min
Jun 27, 8:30 PM EDTSevere Thunderstorm WarningPBZMonongalia45 min
Jun 27, 8:30 PM EDTSevere Thunderstorm WarningRLXPleasants, Wood35 min
Jun 27, 8:32 PM EDTFlash Flood WarningPBZGreene3 hr
Jun 27, 8:36 PM EDTSevere Thunderstorm WarningRLXTyler34 min
Jun 27, 8:39 PM EDTTornado WarningPBZWetzel41 min
Jun 27, 8:47 PM EDTSevere Thunderstorm WarningRLXRitchie, Wirt33 min
Jun 27, 8:55 PM EDTTornado WarningRLXTyler35 min
Jun 27, 9:04 PM EDTSevere Thunderstorm WarningCLECrawford, Richland51 min
Jun 27, 9:04 PM EDTSevere Thunderstorm WarningPBZMarion56 min
Jun 27, 9:05 PM EDTSevere Thunderstorm WarningRLXDoddridge50 min
Jun 27, 9:11 PM EDTFlash Flood WarningPBZMarion, Monongalia, Wetzel3 hr
Jun 27, 9:13 PM EDTSevere Thunderstorm WarningCLEMorrow32 min
Jun 27, 9:17 PM EDTTornado WarningRLXDoddridge18 min
Jun 27, 9:20 PM EDTSevere Thunderstorm WarningRLXHarrison, Lewis50 min
Jun 27, 9:24 PM EDTSevere Thunderstorm WarningCLEKnox61 min
Jun 27, 9:31 PM EDTFlash Flood WarningPBZCoshocton, Guernsey, Tuscarawas6 hr
Jun 27, 9:48 PM EDTSevere Thunderstorm WarningRLXBarbour, Taylor32 min
Jun 27, 9:49 PM EDTSevere Thunderstorm WarningCLEMorrow61 min

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.3 hours before the alert went out and 120 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 1998-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 669 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 1998-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 150 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
669 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
559 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
150 m²/s²
0-3 km storm-relative helicity
208 m²/s²
Significant tornado parameter
0.3
Supercell composite
4.0

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.

Nearby

Severe Thunderstorm Watches in Ohio, 1998Severe Thunderstorm Watches in West Virginia, 1998Severe Thunderstorm Watches in Pennsylvania, 1998Every severe thunderstorm 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; radar from the NEXRAD Level II archive.