Alert archive / Ohio / Severe Thunderstorm Watches in 2006
Severe Thunderstorm Watch 813
The Storm Prediction Center issued this severe thunderstorm watch at Oct 4, 2006, 4:25 PM EDT for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Oct 4, 2006, 4:25 PM EDT (20:25 UTC)
- Expired
- Oct 4, 2006, 10:16 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 80 counties
Garrett County, MD, Adams County, OH, Athens County, OH, Belmont County, OH, Brown County, OH, Clinton County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Gallia County, OH, Guernsey County, OH, Harrison County, OH, Highland County, OH, Hocking County, OH, Jackson County, OH, Jefferson County, OH, Lawrence County, OH, Licking County, OH, Madison County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Vinton County, OH, Washington County, OH, Adams County, PA, Allegheny County, PA, Bedford County, PA, Blair County, PA, Cambria County, PA, Centre County, PA, Columbia County, PA, Cumberland County, PA, Dauphin County, PA, Fayette County, PA, Franklin County, PA, Fulton County, PA, Greene County, PA, Huntingdon County, PA, Indiana County, PA, Juniata County, PA, Lancaster County, PA, Lebanon County, PA, Mifflin County, PA, Montour County, PA, Northumberland County, PA, Perry County, PA, Schuylkill County, PA, Snyder County, PA, Somerset County, PA, Union County, PA, Washington County, PA, Westmoreland County, PA, York County, PA, Brooke County, WV, Doddridge County, WV, Hancock County, WV, Harrison County, WV, Jackson County, WV, Marion County, WV, Marshall County, WV, Mason County, WV, Monongalia County, WV, Ohio County, WV, Pleasants County, WV, Preston County, WV, Ritchie County, WV, Taylor County, WV, Tucker County, WV, Tyler County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV
The radar
The Pittsburgh radar (KPBZ), 87 km from the middle of the area, began a volume at 20:27 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
39 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 4, 4:44 PM EDT | Severe Thunderstorm Warning | ILN | Licking | 46 min |
| Oct 4, 4:50 PM EDT | Severe Thunderstorm Warning | ILN | Franklin | 40 min |
| Oct 4, 4:54 PM EDT | Severe Thunderstorm Warning | PBZ | Harrison | 66 min |
| Oct 4, 5:00 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Madison | 45 min |
| Oct 4, 5:01 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 59 min |
| Oct 4, 5:16 PM EDT | Severe Thunderstorm Warning | PBZ | Brooke | 59 min |
| Oct 4, 5:18 PM EDT | Severe Thunderstorm Warning | PBZ | Muskingum | 57 min |
| Oct 4, 5:19 PM EDT | Severe Thunderstorm Warning | RLX | Perry | 26 min |
| Oct 4, 5:28 PM EDT | Severe Thunderstorm Warning | CTP | Snyder | 32 min |
| Oct 4, 5:30 PM EDT | Severe Thunderstorm Warning | PBZ | Guernsey | 60 min |
| Oct 4, 5:32 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield | 43 min |
| Oct 4, 5:34 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 56 min |
| Oct 4, 5:36 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 39 min |
| Oct 4, 5:39 PM EDT | Severe Thunderstorm Warning | PBZ | Belmont | 66 min |
| Oct 4, 5:40 PM EDT | Tornado Warning | ILN | Fayette | 35 min |
| Oct 4, 5:47 PM EDT | Severe Thunderstorm Warning | ILN | Madison | 43 min |
| Oct 4, 5:55 PM EDT | Severe Thunderstorm Warning | ILN | Franklin | 50 min |
| Oct 4, 6:05 PM EDT | Severe Thunderstorm Warning | ILN | Madison | 40 min |
| Oct 4, 6:07 PM EDT | Severe Thunderstorm Warning | PBZ | Marshall | 53 min |
| Oct 4, 6:12 PM EDT | Severe Thunderstorm Warning | RLX | Perry | 33 min |
| Oct 4, 6:15 PM EDT | Severe Thunderstorm Warning | ILN | Ross | 45 min |
| Oct 4, 6:15 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 45 min |
| Oct 4, 6:15 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 75 min |
| Oct 4, 6:24 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 66 min |
| Oct 4, 6:25 PM EDT | Severe Thunderstorm Warning | ILN | Franklin | 50 min |
| Oct 4, 6:34 PM EDT | Severe Thunderstorm Warning | PBZ | Noble | 56 min |
| Oct 4, 6:37 PM EDT | Tornado Warning | ILN | Franklin | 23 min |
| Oct 4, 6:52 PM EDT | Flash Flood Warning | ILN | Franklin | 113 min |
| Oct 4, 6:59 PM EDT | Tornado Warning | ILN | Franklin | 20 min |
| Oct 4, 7:01 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Licking | 44 min |
| Oct 4, 7:07 PM EDT | Severe Thunderstorm Warning | PBZ | Preston | 68 min |
| Oct 4, 7:09 PM EDT | Severe Thunderstorm Warning | ILN | Ross | 66 min |
| Oct 4, 7:22 PM EDT | Severe Thunderstorm Warning | PBZ | Marion, Monongalia | 68 min |
| Oct 4, 7:25 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 80 min |
| Oct 4, 7:56 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 64 min |
| Oct 4, 7:57 PM EDT | Severe Thunderstorm Warning | ILN | Pike | 48 min |
| Oct 4, 8:45 PM EDT | Flash Flood Warning | ILN | Fayette, Ross | 2 hr |
| Oct 4, 9:12 PM EDT | Severe Thunderstorm Warning | RLX | Meigs | 33 min |
| Oct 4, 9:34 PM EDT | Severe Thunderstorm Warning | RLX | Jackson | 41 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.4 hours before the alert went out and 268 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
- 715 J/kg
- Mixed-layer CIN
- -134 J/kg
- Mixed-layer LCL
- 988 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 35 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 |
|---|---|---|---|---|
| Oct 4, 5:51 PM EDT | Severe Thunderstorm Watch | SPC | Boone, Bracken, Campbell, Carroll, Gallatin, Grant and 4 more | 4 hr |
| Oct 4, 7:34 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 86 min |
| Oct 4, 1:54 PM EDT | Mesoscale Discussion | SPC | Belmont, Carroll, Columbiana, Guernsey, Harrison, Jefferson and 3 more | 66 min |
| Oct 4, 7:03 AM EDT | Mesoscale Discussion | SPC | Crawford, Erie, Warren | 87 min |
| Oct 4, 5:55 PM EDT | Mesoscale Discussion | SPC | Bucks, Carbon, Chester, Delaware, Lehigh, Monroe and 3 more | 95 min |
Nearby
Severe Thunderstorm Watches in Ohio, 2006Severe Thunderstorm Watches in Pennsylvania, 2006Severe Thunderstorm Watches in West Virginia, 2006Every severe thunderstorm watch in 2006
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.