Alert archive / Ohio / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 470

June 14, 20044 states

The Storm Prediction Center issued this severe thunderstorm watch at Jun 14, 2004, 5:00 PM EDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 14, 2004, 5:00 PM EDT (21:00 UTC)
Expired
Jun 14, 2004, 11:00 PM EDT
In force
6 hr
Issued by
the Storm Prediction Center
All 64 counties

Allegany County, NY, Cattaraugus 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, Crawford County, OH, Cuyahoga County, OH, Erie County, OH, Fairfield County, OH, Geauga County, OH, Guernsey County, OH, Harrison County, OH, Holmes County, OH, Huron County, OH, Jefferson County, OH, Knox County, OH, Lake County, OH, Licking County, OH, Lorain County, OH, Mahoning County, OH, Medina County, OH, Morrow County, OH, Muskingum County, OH, Perry County, OH, Portage County, OH, Richland County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Wayne County, OH, Armstrong County, PA, 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, Hancock County, WV

The radar

The Pittsburgh radar (KPBZ), 116 km from the middle of the area, began a volume at 21:03 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

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

IssuedProductOfficeCountiesLasted
Jun 14, 5:11 PM EDTSevere Thunderstorm WarningCLEMorrow64 min
Jun 14, 5:16 PM EDTSevere Thunderstorm WarningCLEMedina59 min
Jun 14, 5:20 PM EDTSevere Thunderstorm WarningCLECuyahoga55 min
Jun 14, 5:33 PM EDTSevere Thunderstorm WarningCLEWayne42 min
Jun 14, 5:40 PM EDTSevere Thunderstorm WarningCLEGeauga, Lake65 min
Jun 14, 5:42 PM EDTSevere Thunderstorm WarningCLESummit63 min
Jun 14, 5:47 PM EDTSevere Thunderstorm WarningCLEKnox58 min
Jun 14, 5:50 PM EDTSevere Thunderstorm WarningCLEPortage55 min
Jun 14, 5:59 PM EDTSevere Thunderstorm WarningCLEAshtabula61 min
Jun 14, 6:04 PM EDTSevere Thunderstorm WarningCLEHolmes56 min
Jun 14, 6:09 PM EDTSevere Thunderstorm WarningPBZCoshocton66 min
Jun 14, 6:16 PM EDTSevere Thunderstorm WarningCLETrumbull59 min
Jun 14, 6:23 PM EDTSevere Thunderstorm WarningCLEStark67 min
Jun 14, 6:25 PM EDTSevere Thunderstorm WarningCLEMahoning50 min
Jun 14, 6:26 PM EDTSevere Thunderstorm WarningPBZTuscarawas94 min
Jun 14, 6:29 PM EDTSevere Thunderstorm WarningCLECrawford, Erie91 min
Jun 14, 6:36 PM EDTFlash Flood WarningPBZCoshocton, Tuscarawas3 hr
Jun 14, 6:41 PM EDTSevere Thunderstorm WarningPBZColumbiana94 min
Jun 14, 6:43 PM EDTSevere Thunderstorm WarningPBZMercer62 min
Jun 14, 6:48 PM EDTSevere Thunderstorm WarningPBZCarroll57 min
Jun 14, 6:54 PM EDTSevere Thunderstorm WarningPBZLawrence51 min
Jun 14, 7:02 PM EDTSevere Thunderstorm WarningPBZHarrison58 min
Jun 14, 7:07 PM EDTSevere Thunderstorm WarningCTPWarren83 min
Jun 14, 7:09 PM EDTSevere Thunderstorm WarningPBZVenango66 min
Jun 14, 7:12 PM EDTSevere Thunderstorm WarningBUFChautauqua63 min
Jun 14, 7:14 PM EDTSevere Thunderstorm WarningPBZCoshocton31 min
Jun 14, 7:19 PM EDTSevere Thunderstorm WarningPBZButler86 min
Jun 14, 7:26 PM EDTSevere Thunderstorm WarningPBZJefferson64 min
Jun 14, 7:31 PM EDTSevere Thunderstorm WarningPBZBeaver59 min
Jun 14, 7:35 PM EDTSevere Thunderstorm WarningPBZClarion55 min
Jun 14, 7:45 PM EDTSevere Thunderstorm WarningBUFErie60 min
Jun 14, 7:45 PM EDTSevere Thunderstorm WarningPBZForest60 min
Jun 14, 7:56 PM EDTSevere Thunderstorm WarningCTPElk, McKean64 min
Jun 14, 7:58 PM EDTSevere Thunderstorm WarningPBZMuskingum32 min
Jun 14, 8:04 PM EDTSevere Thunderstorm WarningPBZJefferson56 min
Jun 14, 8:06 PM EDTSevere Thunderstorm WarningPBZGuernsey54 min
Jun 14, 8:34 PM EDTFlash Flood WarningPBZGuernsey3 hr
Jun 14, 8:53 PM EDTSevere Thunderstorm WarningCTPCameron52 min
Jun 14, 8:56 PM EDTSevere Thunderstorm WarningPBZArmstrong34 min
Jun 14, 9:08 PM EDTSevere Thunderstorm WarningCTPPotter67 min
Jun 14, 9:41 PM EDTSevere Thunderstorm WarningCTPLycoming, Tioga64 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 9.0 hours before the alert went out and 131 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 2004-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 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 2004-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.19395878Sfc1 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
25 J/kg
Mixed-layer CIN
-99 J/kg
Mixed-layer LCL
680 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 13, 8:30 PM EDTMesoscale DiscussionSPCChautauqua90 min
Jun 14, 11:22 AM EDTMesoscale DiscussionSPCAllegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 9 more53 min
Jun 14, 3:20 PM EDTMesoscale DiscussionSPCAllegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 10 more115 min
Jun 13, 11:08 PM EDTMesoscale DiscussionSPCAthens, Belmont, Carroll, Clermont, Clinton, Columbiana and 33 more97 min
Jun 13, 11:45 PM EDTSevere Thunderstorm WatchSPCAdams, Athens, Belmont, Brown, Carroll, Clinton and 26 more4 hr
Jun 14, 2:40 AM EDTMesoscale DiscussionSPCBelmont, Jefferson, Monroe, Noble, Washington2 hr
Jun 14, 10:06 AM EDTMesoscale DiscussionSPCAllen, Ashland, Ashtabula, Crawford, Cuyahoga, Defiance and 26 more54 min
Jun 14, 10:40 AM EDTSevere Thunderstorm WatchSPCAllen, Ashland, Ashtabula, Auglaize, Carroll, Columbiana and 41 more7 hr
Jun 14, 1:29 PM EDTMesoscale DiscussionSPCAllen, Ashland, Ashtabula, Auglaize, Carroll, Columbiana and 41 more91 min
Jun 14, 7:15 PM EDTSevere Thunderstorm WatchSPCAthens, Belmont, Carroll, Coshocton, Fairfield, Gallia and 17 more4 hr
Jun 14, 4:45 PM EDTMesoscale DiscussionSPCAdams, Berks, Bucks, Chester, Cumberland, Dauphin and 10 more2 hr

Nearby

Severe Thunderstorm Watches in Ohio, 2004Severe Thunderstorm Watches in Pennsylvania, 2004Severe Thunderstorm Watches in New York, 2004Every severe thunderstorm watch in 2004

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.