Alert archive / Ohio / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 738
The Storm Prediction Center issued this severe thunderstorm watch at Aug 20, 2005, 3:10 PM EDT for 15 counties in Ohio; 14 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 20, 2005, 3:10 PM EDT (19:10 UTC)
- Expired
- Aug 20, 2005, 9:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 33 counties
Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Guernsey County, OH, Harrison County, OH, Jefferson County, OH, Mahoning County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Portage County, OH, Stark County, OH, Trumbull County, OH, Tuscarawas County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Clarion County, PA, Crawford County, PA, Elk County, PA, Forest County, PA, Greene County, PA, Jefferson County, PA, Lawrence County, PA, Mercer County, PA, Venango County, PA, Washington County, PA, Brooke County, WV, Hancock County, WV, Marshall County, WV, Ohio County, WV
The radar
The Pittsburgh radar (KPBZ), 51 km from the middle of the area, began a volume at 19:12 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
20 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 3:19 PM EDT | Tornado Warning | PBZ | Beaver, Butler | 41 min |
| Aug 20, 3:53 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 52 min |
| Aug 20, 3:54 PM EDT | Severe Thunderstorm Warning | PBZ | Columbiana | 51 min |
| Aug 20, 4:35 PM EDT | Severe Thunderstorm Warning | PBZ | Tuscarawas | 40 min |
| Aug 20, 4:55 PM EDT | Severe Thunderstorm Warning | PBZ | Harrison | 65 min |
| Aug 20, 5:02 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 58 min |
| Aug 20, 5:07 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 23 min |
| Aug 20, 5:20 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton | 55 min |
| Aug 20, 5:25 PM EDT | Severe Thunderstorm Warning | RLX | Perry | 37 min |
| Aug 20, 5:28 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Butler | 62 min |
| Aug 20, 5:31 PM EDT | Severe Thunderstorm Warning | PBZ | Tuscarawas | 29 min |
| Aug 20, 5:39 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll | 51 min |
| Aug 20, 6:03 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 57 min |
| Aug 20, 6:14 PM EDT | Severe Thunderstorm Warning | PBZ | Muskingum | 31 min |
| Aug 20, 6:32 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 28 min |
| Aug 20, 6:43 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 32 min |
| Aug 20, 6:54 PM EDT | Severe Thunderstorm Warning | PBZ | Brooke | 21 min |
| Aug 20, 7:01 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 29 min |
| Aug 20, 7:04 PM EDT | Flash Flood Warning | PBZ | Allegheny | 116 min |
| Aug 20, 7:42 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 18 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, 7.2 hours before the alert went out and 68 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 922 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 12:31 PM EDT | Mesoscale Discussion | SPC | Adams, Allen, Ashland, Athens, Auglaize, Brown and 65 more | 89 min |
| Aug 20, 1:15 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Ashland, Auglaize, Brown, Butler, Champaign and 52 more | 6 hr |
| Aug 20, 3:11 PM EDT | Mesoscale Discussion | SPC | Adams, Allen, Ashland, Ashtabula, Auglaize, Belmont and 68 more | 94 min |
| Aug 20, 4:06 PM EDT | Mesoscale Discussion | SPC | Athens, Gallia, Hocking, Jackson, Lawrence, Meigs and 3 more | 84 min |
| Aug 20, 4:55 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Athens, Gallia, Hocking, Jackson, Lawrence and 6 more | 6 hr |
| Aug 20, 7:10 PM EDT | Mesoscale Discussion | SPC | Athens, Belmont, Gallia, Jackson, Lawrence, Meigs and 4 more | 95 min |
| Aug 19, 8:29 PM EDT | Mesoscale Discussion | SPC | Forest, Warren | 31 min |
Nearby
Severe Thunderstorm Watches in Ohio, 2005Severe Thunderstorm Watches in Pennsylvania, 2005Severe Thunderstorm Watches in West Virginia, 2005Every severe thunderstorm watch in 2005
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.