Alert archive / Ohio / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 121, NWS Cleveland, OH

August 19, 2017Stark County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 19, 2017, 2:07 PM EDT for Stark County, Ohio. It was in force for 23 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 19, 2017, 2:07 PM EDT (18:07 UTC)
Expired
Aug 19, 2017, 2:30 PM EDT
In force
23 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Stark County, OH

The radar

The Cleveland radar (KCLE), 87 km from the middle of the area, began a volume at 18:11 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, 6.1 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 2017-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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 2017-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.1939587897Sfc1 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
4 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
898 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
28 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

831 
WUUS51 KCLE 191807 RRA
SVRCLE
OHC151-191830-
/O.NEW.KCLE.SV.W.0121.170819T1807Z-170819T1830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
207 PM EDT SAT AUG 19 2017

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Southern Stark County in northeastern Ohio...

* Until 230 PM EDT

* At 207 PM EDT, a severe thunderstorm was located near Louisville,
  or near Canton, moving southeast at 30 mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Minor damage to vehicles is possible. Expect damage to 
           trees and power lines. 

* Locations impacted include...
  Canton, Massillon, Alliance, Louisville, Minerva, Brewster,
  Navarre, Waynesburg, East Sparta, Wilmot, East Canton, Beach City,
  Meyers Lake, Robertsville, Maximo and Perry Heights.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4064 8165 4074 8164 4089 8121 4089 8109
      4073 8109 4072 8124 4065 8124 4066 8144
      4065 8152
TIME...MOT...LOC 1807Z 294DEG 25KT 4078 8126 

HAIL...1.00IN
WIND...60MPH
 
$$

Sefcovic
1 follow-up statement
258 
WWUS51 KCLE 191820
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
220 PM EDT SAT AUG 19 2017

OHC151-191830-
/O.CON.KCLE.SV.W.0121.000000T0000Z-170819T1830Z/
Stark OH-
220 PM EDT SAT AUG 19 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EDT
FOR SOUTHERN STARK COUNTY...

At 220 PM EDT, a severe thunderstorm was located near Louisville, or
9 miles east of Canton, moving east at 20 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Minor damage to vehicles is possible. Expect damage to 
         trees and power lines. 

Locations impacted include...
Canton, Massillon, Louisville, Minerva, Brewster, Navarre,
Waynesburg, East Sparta, Wilmot, East Canton, Beach City, Meyers
Lake, Robertsville and Perry Heights.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4064 8165 4074 8164 4084 8135 4089 8109
      4073 8109 4072 8124 4065 8124 4066 8144
      4065 8152
TIME...MOT...LOC 1820Z 279DEG 17KT 4078 8120 

HAIL...1.00IN
WIND...60MPH
 
$$

Sefcovic

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 5:50 AM EDTSpecial Weather StatementCLESeneca40 min
Aug 19, 6:34 AM EDTSpecial Weather StatementCLECrawford, Erie, Huron, Seneca, Wyandot26 min
Aug 19, 1:52 PM EDTSpecial Weather StatementCLEKnox53 min
Aug 19, 1:59 PM EDTSpecial Weather StatementCLEStark46 min
Aug 19, 2:07 PM EDTSevere Thunderstorm WarningCLEAshland, Knox, Richland38 min
Aug 19, 2:44 PM EDTSpecial Weather StatementCLEMahoning46 min
Aug 19, 3:01 PM EDTSevere Thunderstorm WarningCLEKnox44 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2017Every severe thunderstorm warning 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.