Alert archive / Ohio / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 653
The Storm Prediction Center issued this severe thunderstorm watch at Aug 6, 2000, 9:30 PM EDT for 30 counties in Ohio; 19 counties in Pennsylvania; 4 counties in West Virginia. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 6, 2000, 9:30 PM EDT (01:30 UTC)
- Expired
- Aug 7, 2000, 3:00 AM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 53 counties
Ashland County, OH, Ashtabula County, OH, Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Crawford County, OH, Cuyahoga County, OH, Erie 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, Portage County, OH, Richland County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Wayne County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Cambria County, PA, Clarion County, PA, Crawford County, PA, Fayette County, PA, Forest County, PA, Greene County, PA, Indiana County, PA, Jefferson County, PA, Lawrence County, PA, Mercer County, PA, Somerset County, PA, Venango County, PA, Warren County, PA, Washington County, PA, Westmoreland County, PA, Brooke County, WV, Hancock County, WV, Marshall County, WV, Ohio County, WV
The radar
The Cleveland radar (KCLE), 62 km from the middle of the area, began a volume at 01:30 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
26 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 9:48 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 27 min |
| Aug 6, 10:03 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 42 min |
| Aug 6, 10:05 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 55 min |
| Aug 6, 10:11 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 64 min |
| Aug 6, 10:17 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Huron | 43 min |
| Aug 6, 10:17 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 43 min |
| Aug 6, 10:27 PM EDT | Severe Thunderstorm Warning | CLE | Richland | 48 min |
| Aug 6, 10:28 PM EDT | Flash Flood Warning | PBZ | Allegheny | 4 hr |
| Aug 6, 10:37 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 53 min |
| Aug 6, 10:39 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Lorain | 51 min |
| Aug 6, 10:39 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Aug 6, 11:03 PM EDT | Severe Thunderstorm Warning | CLE | Medina, Wayne | 42 min |
| Aug 6, 11:06 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga | 54 min |
| Aug 6, 11:18 PM EDT | Severe Thunderstorm Warning | CLE | Stark, Summit | 57 min |
| Aug 6, 11:31 PM EDT | Severe Thunderstorm Warning | CLE | Geauga, Portage | 59 min |
| Aug 6, 11:38 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Columbiana | 67 min |
| Aug 6, 11:38 PM EDT | Severe Thunderstorm Warning | PBZ | Tuscarawas | 67 min |
| Aug 6, 11:43 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning, Trumbull | 62 min |
| Aug 7, 12:09 AM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 66 min |
| Aug 7, 12:09 AM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 66 min |
| Aug 7, 12:16 AM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 59 min |
| Aug 7, 12:18 AM EDT | Severe Thunderstorm Warning | PBZ | Harrison | 57 min |
| Aug 7, 12:21 AM EDT | Severe Thunderstorm Warning | CLE | Crawford | 54 min |
| Aug 7, 12:36 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Butler | 54 min |
| Aug 7, 1:27 AM EDT | Flash Flood Warning | PBZ | Allegheny, Westmoreland | 4 hr |
| Aug 7, 1:30 AM EDT | Flash Flood Warning | PBZ | Washington | 4 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 1.5 hours before the alert went out and 123 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
- 2398 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 723 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 272 m²/s²
- 0-3 km storm-relative helicity
- 361 m²/s²
- Significant tornado parameter
- 3.8
- Supercell composite
- 24.1
The text
As transmitted, in the capitals the NWS used until 2016.
237 WWUS9 KMKC 070104 SEL3 SEL3 MKC WW 070058 OHZ000-PAZ000-WVZ000-LEZ000-070700- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 653 STORM PREDICTION CENTER NORMAN OK 858 PM EDT SUN AUG 6 2000 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF EASTERN OHIO WESTERN PENNSYLVANIA THE WESTERN PANHANDLE OF WEST VIRGINIA LAKE ERIE EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 930 PM UNTIL 300 AM EDT. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 75 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES WEST NORTHWEST OF MANSFIELD OHIO TO 30 MILES SOUTH SOUTHEAST OF DUBOIS PENNSYLVANIA. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. OTHER WATCH INFORMATION... CONTINUE...WW 651...WW 652... DISCUSSION...CONVECTIVE CLUSTER/BOW ECHO WITH A HISTORY OF WIND DAMAGE MOVING EASTWARD INTO WATCH AREA ALONG AXIS OF 3000 TO 4000 J/KG CAPES. 50 KT MID LEVEL SPEED MAX WILL MAINTAIN POTENTIAL FOR DAMAGING WINDS AND A FEW LARGE HAILSTONES. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 27050. ...ROGASH 420,0825 415,0784 394,0784 395,0825
Nearby
Severe Thunderstorm Watches in Ohio, 2000Severe Thunderstorm Watches in Pennsylvania, 2000Severe Thunderstorm Watches in West Virginia, 2000Every severe thunderstorm watch in 2000
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.