Alert archive / Ohio / Tornado Watches in 2016
Tornado Watch 456
The Storm Prediction Center issued this tornado watch at Aug 24, 2016, 6:51 PM EDT for 7 counties in Ohio. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 24, 2016, 6:51 PM EDT (22:51 UTC)
- Expired
- Aug 24, 2016, 10:23 PM EDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
Counties Hancock County, OH, Lucas County, OH, Ottawa County, OH, Sandusky County, OH, Seneca County, OH, Wood County, OH, Wyandot County, OH
The radar
The Cleveland radar (KCLE), 136 km from the middle of the area, began a volume at 22:53 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
- 30%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 20%
- One or more gusts of 65 knots or more
- 10%
- 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
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 7:09 PM EDT | Tornado Warning | CLE | Lucas, Wood | 36 min |
| Aug 24, 7:43 PM EDT | Tornado Warning | CLE | Lucas, Wood | 47 min |
| Aug 24, 8:07 PM EDT | Tornado Warning | CLE | Hancock, Wood | 38 min |
| Aug 24, 8:42 PM EDT | Tornado Warning | CLE | Wood | 48 min |
| Aug 24, 9:35 PM EDT | Severe Thunderstorm Warning | CLE | Hancock, Wood | 40 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, 10.9 hours before the alert went out and 152 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
- 1147 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
166 WWUS20 KWNS 242248 SEL6 SPC WW 242248 OHZ000-LEZ000-250300- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 456 NWS STORM PREDICTION CENTER NORMAN OK 650 PM EDT WED AUG 24 2016 THE NWS STORM PREDICTION CENTER HAS ISSUED A * TORNADO WATCH FOR PORTIONS OF NORTHWEST OHIO LAKE ERIE * EFFECTIVE THIS WEDNESDAY EVENING FROM 650 PM UNTIL 1100 PM EDT. * PRIMARY THREATS INCLUDE... A COUPLE TORNADOES POSSIBLE ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE SUMMARY...ISOLATED SUPERCELLS MAY PERSIST FOR A COUPLE OF MORE HOURS WHILE MOVING TO THE EAST-NORTHEAST ACROSS NORTHWEST OHIO. THE STORM ENVIRONMENT WILL REMAIN FAVORABLE FOR A COUPLE OF TORNADOES...ALONG WITH ISOLATED DAMAGING WINDS/HAIL THROUGH LATE EVENING. THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 30 STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES EAST NORTHEAST OF TOLEDO OHIO TO 20 MILES SOUTH OF FINDLAY OHIO. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND 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 454...WW 455... AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 25025. ...THOMPSON
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 3:10 PM EDT | Tornado Watch | SPC | Allen, Darke, Defiance, Fulton, Henry, Mercer and 4 more | 8 hr |
| Aug 24, 4:43 PM EDT | Mesoscale Discussion | SPC | Butler, Darke, Montgomery, Preble | 92 min |
| Aug 24, 6:03 PM EDT | Mesoscale Discussion | SPC | Auglaize, Butler, Champaign, Clark, Darke, Hamilton and 7 more | 57 min |
| Aug 24, 6:15 PM EDT | Mesoscale Discussion | SPC | Allen, Auglaize, Crawford, Defiance, Erie, Fulton and 17 more | 60 min |
Nearby
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.