Alert archive / Ohio / Tornado Warnings in 2017

Tornado Warning 9, NWS Cleveland, OH

August 17, 2017Trumbull County, Ohio

NWS Cleveland, OH issued this tornado warning at Aug 17, 2017, 7:41 PM EDT for Trumbull County, Ohio. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 17, 2017, 7:41 PM EDT (23:41 UTC)
Expired
Aug 17, 2017, 8:18 PM EDT
In force
37 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), 89 km from the middle of the area, began a volume at 23:41 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.

The nearest sounding before it

Pittsburgh, PA (KAGC), launched 12:00Z, 11.7 hours before the alert went out and 105 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.

402 
WFUS51 KCLE 172341
TORCLE
OHC155-180045-
/O.NEW.KCLE.TO.W.0009.170817T2341Z-170818T0045Z/

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

The National Weather Service in Cleveland has issued a

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

* Until 845 PM EDT
    
* At 741 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Warren, moving east at 30 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 and Vienna Center around 755 PM EDT. 
  Hubbard around 800 PM EDT. 

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

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 4116 8084 4126 8091 4140 8052 4117 8052
TIME...MOT...LOC 2341Z 249DEG 28KT 4122 8079 

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

$$

Lombardy
4 follow-up statements
688 
WWUS51 KCLE 172349
SVSCLE

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

OHC155-180045-
/O.CON.KCLE.TO.W.0009.000000T0000Z-170818T0045Z/
Trumbull OH-
749 PM EDT THU AUG 17 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR
SOUTHEASTERN TRUMBULL COUNTY...
    
At 749 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Vienna Center, or near Warren, moving northeast at
30 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...
  Vienna Center around 755 PM EDT. 

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

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.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 4120 8076 4127 8081 4140 8052 4117 8052
TIME...MOT...LOC 2349Z 247DEG 27KT 4125 8073 

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

$$

Lombardy
819 
WWUS51 KCLE 180002
SVSCLE

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

OHC155-180045-
/O.CON.KCLE.TO.W.0009.000000T0000Z-170818T0045Z/
Trumbull OH-
802 PM EDT THU AUG 17 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR EAST
CENTRAL TRUMBULL COUNTY...
    
At 801 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Vienna Center, or near Sharon, moving east at 30
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 tornadic thunderstorm will remain over mainly rural areas of
east central Trumbull County, including the following locations:
Yankee Lake, Brookfield Center, Orangeville 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.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 4123 8066 4129 8068 4140 8052 4117 8052
TIME...MOT...LOC 0001Z 252DEG 27KT 4127 8062 

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

$$

Lombardy
493 
WWUS51 KCLE 180004
SVSCLE

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

OHC155-180045-
/O.CON.KCLE.TO.W.0009.000000T0000Z-170818T0045Z/
Trumbull OH-
804 PM EDT THU AUG 17 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR EAST
CENTRAL TRUMBULL COUNTY...
    
At 803 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Vienna Center, or near Sharon, moving east at 30
mph.

HAZARD...Tornado. 

SOURCE...Weather observer at the Youngstown airport spotted a funnel 
         cloud with this storm at 804 PM.
         
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 tornadic thunderstorm will remain over mainly rural areas of
east central Trumbull County, including the following locations:
Yankee Lake, Brookfield Center, Orangeville 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.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 4123 8066 4129 8068 4140 8052 4117 8052
TIME...MOT...LOC 0003Z 252DEG 27KT 4127 8060 

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

$$

Lombardy
547 
WWUS51 KCLE 180018
SVSCLE

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

OHC155-180027-
/O.CAN.KCLE.TO.W.0009.000000T0000Z-170818T0045Z/
Trumbull OH-
818 PM EDT THU AUG 17 2017

...THE TORNADO WARNING FOR EAST CENTRAL TRUMBULL COUNTY IS
CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

LAT...LON 4123 8066 4129 8068 4140 8052 4117 8052
TIME...MOT...LOC 0015Z 249DEG 28KT 4131 8046 

$$

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, 7:05 PM EDTTornado WarningCLETrumbull25 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.