Alert archive / Ohio / Severe Thunderstorm Watches in 2019
Severe Thunderstorm Watch 652
The Storm Prediction Center issued this severe thunderstorm watch at Sep 13, 2019, 2:45 PM EDT for 7 counties in Indiana; 14 counties in Michigan; 18 counties in Ohio. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 13, 2019, 2:45 PM EDT (18:45 UTC)
- Expired
- Sep 13, 2019, 9:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 39 counties
Adams County, IN, Allen County, IN, Blackford County, IN, DeKalb County, IN, Huntington County, IN, Jay County, IN, Wells County, IN, Genesee County, MI, Hillsdale County, MI, Huron County, MI, Lapeer County, MI, Lenawee County, MI, Livingston County, MI, Macomb County, MI, Monroe County, MI, Oakland County, MI, Saint Clair County, MI, Sanilac County, MI, Tuscola County, MI, Washtenaw County, MI, Wayne County, MI, Allen County, OH, Crawford County, OH, Defiance County, OH, Erie County, OH, Fulton County, OH, Hancock County, OH, Henry County, OH, Huron County, OH, Lucas County, OH, Ottawa County, OH, Paulding County, OH, Putnam County, OH, Sandusky County, OH, Seneca County, OH, Van Wert County, OH, Williams County, OH, Wood County, OH, Wyandot County, OH
The radar
The Detroit radar (KDTX), 96 km from the middle of the area, began a volume at 18:45 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
- 10%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 2:57 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Washtenaw | 35 min |
| Sep 13, 3:16 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Oakland | 59 min |
| Sep 13, 3:20 PM EDT | Severe Thunderstorm Warning | IWX | Allen | 27 min |
| Sep 13, 3:51 PM EDT | Severe Thunderstorm Warning | DTX | Monroe, Wayne | 39 min |
| Sep 13, 4:06 PM EDT | Severe Thunderstorm Warning | IWX | Defiance, Henry, Paulding | 39 min |
| Sep 13, 4:23 PM EDT | Severe Thunderstorm Warning | CLE | Lucas, Wood | 50 min |
| Sep 13, 4:25 PM EDT | Severe Thunderstorm Warning | IWX | Fulton, Henry | 20 min |
| Sep 13, 4:38 PM EDT | Severe Thunderstorm Warning | CLE | Wood | 67 min |
| Sep 13, 4:52 PM EDT | Severe Thunderstorm Warning | IWX | Allen, Putnam, Van Wert | 23 min |
| Sep 13, 5:03 PM EDT | Severe Thunderstorm Warning | CLE | Erie, Lucas, Ottawa, Sandusky | 57 min |
| Sep 13, 5:41 PM EDT | Severe Thunderstorm Warning | CLE | Hancock, Seneca, Wood | 26 min |
| Sep 13, 7:03 PM EDT | Severe Thunderstorm Warning | CLE | Erie, Lorain | 42 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
Detroit, MI (KDTX), launched 12:00Z, 6.8 hours before the alert went out and 99 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
- 95 J/kg
- Mixed-layer CIN
- -196 J/kg
- Mixed-layer LCL
- 576 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 362 m²/s²
- 0-3 km storm-relative helicity
- 373 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.7
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 2:21 PM EDT | Mesoscale Discussion | SPC | Adams, Allen | 84 min |
| Sep 13, 7:16 PM EDT | Mesoscale Discussion | SPC | Jay, Randolph | 89 min |
Nearby
Severe Thunderstorm Watches in Ohio, 2019Severe Thunderstorm Watches in Michigan, 2019Severe Thunderstorm Watches in Indiana, 2019Every severe thunderstorm watch in 2019
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.