Alert archive / Ohio / Tornado Warnings in 2017

Tornado Warning 7, NWS Cleveland, OH

August 4, 2017Stark County, Ohio

NWS Cleveland, OH issued this tornado warning at Aug 4, 2017, 4:42 PM EDT for Stark County, Ohio. It was in force for 36 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 4, 2017, 4:42 PM EDT (20:42 UTC)
Expired
Aug 4, 2017, 5:18 PM EDT
In force
36 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Stark County, OH

The radar

The Cleveland radar (KCLE), 89 km from the middle of the area, began a volume at 20:44 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 4, 1:25 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Pittsburgh, PA (KAGC), launched 12:00Z, 8.7 hours before the alert went out and 113 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 2017-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 254 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 2017-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 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
254 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
1156 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

481 
WFUS51 KCLE 042042
TORCLE
OHC151-042130-
/O.NEW.KCLE.TO.W.0007.170804T2042Z-170804T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Cleveland OH
442 PM EDT FRI AUG 4 2017

The National Weather Service in Cleveland has issued a

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

* Until 530 PM EDT
    
* At 442 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Strasburg, or 7 miles north of Dover, moving
  northeast at 40 mph.

  HAZARD...Tornado and quarter size hail. 

  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...
  East Sparta around 450 PM EDT. 
  Waynesburg around 500 PM EDT. 
  Minerva around 510 PM EDT. 

Other locations impacted by this tornadic thunderstorm include Beach
City, Robertsville and East Canton.

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 4069 8162 4089 8109 4073 8109 4072 8124
      4065 8124 4065 8143 4066 8144 4066 8147
      4064 8159
TIME...MOT...LOC 2042Z 246DEG 36KT 4063 8147 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Bray
2 follow-up statements
427 
WWUS51 KCLE 042101
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
501 PM EDT FRI AUG 4 2017

OHC151-042130-
/O.CON.KCLE.TO.W.0007.000000T0000Z-170804T2130Z/
Stark OH-
501 PM EDT FRI AUG 4 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR
SOUTHEASTERN STARK COUNTY...
    
At 500 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Waynesburg, or 8 miles southeast of Canton, moving
northeast at 45 mph.

HAZARD...Tornado and quarter size hail. 

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...
  Minerva around 510 PM EDT. 

Other locations impacted by this tornadic thunderstorm include
Robertsville.

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 4074 8135 4086 8109 4073 8109 4072 8124
      4065 8124 4070 8129
TIME...MOT...LOC 2100Z 238DEG 40KT 4074 8124 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Bray
231 
WWUS51 KCLE 042118
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
518 PM EDT FRI AUG 4 2017

OHC151-042128-
/O.CAN.KCLE.TO.W.0007.000000T0000Z-170804T2130Z/
Stark OH-
518 PM EDT FRI AUG 4 2017

...THE TORNADO WARNING FOR SOUTHEASTERN STARK 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.

A severe thunderstorm watch remains in effect until 900 PM EDT for
northeastern Ohio.

LAT...LON 4074 8135 4086 8109 4073 8109 4072 8124
      4065 8124 4070 8129
TIME...MOT...LOC 2116Z 246DEG 36KT 4081 8102 

$$

Bray

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 8:15 PM EDTSpecial Marine WarningCLE60 min
Aug 3, 11:41 PM EDTSpecial Marine WarningCLE2 hr
Aug 4, 3:52 AM EDTSmall Craft AdvisoryCLE47 hr
Aug 4, 3:55 AM EDTBeach Hazards StatementCLEAshtabula, Cuyahoga, Lake, Lorain47 hr
Aug 4, 7:09 AM EDTSpecial Weather StatementCLEAshland, Crawford, Huron, Richland, Seneca, Wyandot66 min
Aug 4, 7:41 AM EDTSpecial Weather StatementCLECuyahoga, Lorain64 min
Aug 4, 8:19 AM EDTSpecial Marine WarningCLE86 min
Aug 4, 9:25 AM EDTSpecial Marine WarningCLE95 min
Aug 4, 11:23 AM EDTSevere Thunderstorm WarningCLEAshtabula67 min
Aug 4, 11:37 AM EDTSevere Thunderstorm WarningCLEMahoning, Portage23 min
Aug 4, 12:18 PM EDTAreal Flood AdvisoryCLEAshtabula3 hr
Aug 4, 12:21 PM EDTSevere Thunderstorm WarningCLETrumbull15 min
Aug 4, 12:43 PM EDTSpecial Weather StatementCLEAshland, Erie, Huron, Knox, Lorain, Medina and 3 more62 min
Aug 4, 12:48 PM EDTSevere Thunderstorm WarningCLEWayne27 min
Aug 4, 1:02 PM EDTSpecial Marine WarningCLE118 min
Aug 4, 1:11 PM EDTSevere Thunderstorm WarningCLEMorrow, Richland49 min
Aug 4, 1:19 PM EDTTornado WarningCLERichland26 min
Aug 4, 1:40 PM EDTSpecial Marine WarningCLE2 hr
Aug 4, 2:58 PM EDTSevere Thunderstorm WarningCLEAshtabula77 min
Aug 4, 3:11 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Mahoning, Portage, Trumbull64 min
Aug 4, 3:42 PM EDTSpecial Marine WarningCLE2 hr
Aug 4, 6:59 PM EDTLow Water AdvisoryCLE3 hr

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.