Alert archive / Ohio / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 69, NWS Cleveland, OH

June 18, 2017Mahoning County, Portage County, Trumbull County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 18, 2017, 6:33 PM EDT for Mahoning County, Portage County, Trumbull County, Ohio. It was in force for 57 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
Jun 18, 2017, 6:33 PM EDT (22:33 UTC)
Expired
Jun 18, 2017, 7:30 PM EDT
In force
57 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Mahoning County, OH, Portage County, OH, Trumbull County, OH

The radar

The Pittsburgh radar (KPBZ), 79 km from the middle of the area, began a volume at 22:37 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
Jun 18, 7:08 PM EDTTSTM WND DMGNiles, OHA LARGE BRANCH WAS BROKEN BY THUNDERSTORM WINDS AND WAS HANGING ONTO A ROAD.
Jun 18, 7:25 PM EDTTSTM WND DMGBrookfield Center, OHONE TREE DOWN BY THUNDERSTORM WINDS.

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

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 18, 1:37 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Pittsburgh, PA (KAGC), launched 12:00Z, 10.6 hours before the alert went out and 95 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 2017-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 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 2017-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
10 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
1243 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

294 
WUUS51 KCLE 182233
SVRCLE
OHC099-133-155-182330-
/O.NEW.KCLE.SV.W.0069.170618T2233Z-170618T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
633 PM EDT SUN JUN 18 2017

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Southeastern Portage County in northeastern Ohio...
  Mahoning County in northeastern Ohio...
  Southern Trumbull County in northeastern Ohio...

* Until 730 PM EDT

* At 633 PM EDT, severe thunderstorms were located along a line
  extending from Warren to 8 miles southwest of Newton Falls to near
  Hartville, moving east 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...
  Youngstown, Warren, Salem, Columbiana, Boardman, Alliance, Niles,
  Campbell, Hubbard, Canfield, Newton Falls, Sebring, Lordstown,
  Vienna Center, Hilltop, Maplewood Park, Leavittsburg, Austintown,
  Struthers and Girard.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4091 8109 4099 8109 4099 8117 4100 8118
      4125 8100 4129 8052 4090 8052 4090 8082
      4093 8083 4093 8089 4090 8090
TIME...MOT...LOC 2233Z 258DEG 26KT 4125 8082 4107 8104 4096 8122 

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

Mullen
1 follow-up statement
651 
WWUS51 KCLE 182306
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
706 PM EDT SUN JUN 18 2017

OHC099-133-155-182330-
/O.CON.KCLE.SV.W.0069.000000T0000Z-170618T2330Z/
Portage OH-Mahoning OH-Trumbull OH-
706 PM EDT SUN JUN 18 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR SOUTHEASTERN PORTAGE...MAHONING AND SOUTHEASTERN TRUMBULL
COUNTIES...

At 706 PM EDT, severe thunderstorms were located along a line
extending from near Vienna Center to 8 miles west of Canfield to
Alliance, moving east at 25 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to trees and power lines. 

Locations impacted include...
Youngstown, Warren, Salem, Columbiana, Boardman, Alliance, Niles,
Campbell, Hubbard, Canfield, Sebring, Lordstown, Vienna Center,
Hilltop, Maplewood Park, Austintown, Struthers, Girard, Vienna and
McDonald.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4091 8109 4099 8109 4099 8115 4127 8082
      4129 8052 4090 8052 4090 8082 4093 8083
      4093 8089 4090 8090
TIME...MOT...LOC 2306Z 266DEG 20KT 4123 8071 4105 8093 4094 8111 

HAIL...<.75IN
WIND...60MPH
 
$$

Mullen

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 12:57 PM EDTSpecial Weather StatementCLECuyahoga, Geauga, Holmes, Mahoning, Portage, Stark and 3 more18 min
Jun 18, 1:31 PM EDTSevere Thunderstorm WarningCLEAshtabula, Trumbull44 min
Jun 18, 1:48 PM EDTSpecial Marine WarningCLE117 min
Jun 18, 2:29 PM EDTSpecial Weather StatementCLEMahoning, Trumbull31 min
Jun 18, 5:31 PM EDTSpecial Weather StatementCLEAshtabula, Geauga, Lake, Trumbull44 min
Jun 18, 6:10 PM EDTSevere Thunderstorm WarningCLEAshtabula, Trumbull50 min
Jun 18, 6:25 PM EDTFlash Flood WarningCLEAshtabula4 hr
Jun 18, 7:29 PM EDTSevere Thunderstorm WarningCLEMahoning, Trumbull46 min
Jun 18, 7:54 PM EDTAreal Flood AdvisoryCLEMahoning, Trumbull2 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.