Alert archive / Ohio / Tornado Warnings in 2017

Tornado Warning 8, NWS Cleveland, OH

August 17, 2017Trumbull County, Ohio

NWS Cleveland, OH issued this tornado warning at Aug 17, 2017, 7:05 PM EDT for Trumbull County, Ohio. It was in force for 25 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 17, 2017, 7:05 PM EDT (23:05 UTC)
Expired
Aug 17, 2017, 7:30 PM EDT
In force
25 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Trumbull County, OH

The radar

The Pittsburgh radar (KPBZ), 94 km from the middle of the area, began a volume at 23:06 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 was reported inside it

TimeReportWhereRemark
Aug 17, 7:16 PM EDTTORNADO4 Ese Cortland, OHAN NWS STORM SURVEY REVEALED A TORNADO PRODUCING EF-1 DAMAGE IN FOWLER CENTER IN TRUMBULL COUNTY OHIO. THE PATH BEGAN JUST NORTH-NORTHWEST OF THE INTERSECTION OF SR 193 AND 305 AND MOVED EAST SNAPPING AND UPROOTING TREES OVER A 1.25 MILE PATH. A MOBILE HOME WA
Aug 17, 7:18 PM EDTTORNADO3 N Yankee Lake, OHTREES AND POWER LINES DOWN ALONG ROUTE 7 NEAR HARTFORD. SEVERAL SPOTTER REPORTS OF TORNADO TOUCHDOWNS ALONG WITH FUNNEL CLOUD REPORTS INCLUDING OBSERVATIONS FROM KYNG AIRPORT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Pittsburgh, PA (KAGC), launched 12:00Z, 11.1 hours before the alert went out and 110 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.

Skew-T log-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2017-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 28 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2017-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
28 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
1143 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

369 
WFUS51 KCLE 172305
TORCLE
OHC155-172330-
/O.NEW.KCLE.TO.W.0008.170817T2305Z-170817T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Cleveland OH
705 PM EDT THU AUG 17 2017

The National Weather Service in Cleveland has issued a

* Tornado Warning for...
  Trumbull County in northeastern Ohio...

* Until 730 PM EDT
    
* At 705 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Cortland, or near Warren, moving east at 20 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Cortland around 715 PM EDT. 
  Vienna Center around 720 PM EDT. 

Other locations impacted by this tornadic thunderstorm include Mecca,
Champion Heights, Brookfield Center, Orangeville, Vienna, Howland
Center, Yankee Lake, Bolindale, Johnston and West Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4119 8081 4136 8091 4149 8052 4121 8052
TIME...MOT...LOC 2305Z 252DEG 16KT 4130 8077 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Lombardy
2 follow-up statements
159 
WWUS51 KCLE 172322
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
722 PM EDT THU AUG 17 2017

OHC155-172330-
/O.CON.KCLE.TO.W.0008.000000T0000Z-170817T2330Z/
Trumbull OH-
722 PM EDT THU AUG 17 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR
NORTHEASTERN TRUMBULL COUNTY...
    
At 721 PM EDT, a confirmed tornado was located east of Cortland, or 
9 miles northeast of Warren, moving east at 20 mph.  Multiple 
sitings of the tornado have been received.

HAZARD...Damaging tornado. 

SOURCE...Weather spotters confirmed tornado. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This tornado will be near...
  Kinsman around 730 PM EDT. 

Other locations impacted by this tornadic thunderstorm include Mecca,
Brookfield Center, Orangeville, Vienna, Yankee Lake, Johnston and
West Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 4127 8074 4136 8081 4149 8052 4121 8052
TIME...MOT...LOC 2321Z 250DEG 16KT 4133 8067 

TORNADO...OBSERVED
HAIL...0.00IN

$$

Lombardy
146 
WWUS51 KCLE 172331
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
731 PM EDT THU AUG 17 2017

OHC155-172341-
/O.EXP.KCLE.TO.W.0008.000000T0000Z-170817T2330Z/
Trumbull OH-
731 PM EDT THU AUG 17 2017

...THE TORNADO WARNING FOR NORTHEASTERN TRUMBULL COUNTY HAS
EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been allowed to expire.

LAT...LON 4127 8074 4136 8081 4149 8052 4121 8052
TIME...MOT...LOC 2331Z 252DEG 16KT 4133 8065 

$$

Lombardy

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 17, 1:43 PM EDTSpecial Marine WarningCLE2 hr
Aug 17, 4:24 PM EDTSevere Thunderstorm WarningCLEMedina, Summit21 min
Aug 17, 7:41 PM EDTTornado WarningCLETrumbull37 min

Nearby

Tornado Warnings in Ohio, 2017Every tornado warning in 2017Tornadoes in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.