Alert archive / Ohio / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 9, NWS Cleveland, OH

May 4, 2018Trumbull County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 4, 2018, 3:33 PM EDT for Trumbull County, Ohio. It was in force for 42 min. 3 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
May 4, 2018, 3:33 PM EDT (19:33 UTC)
Expired
May 4, 2018, 4:15 PM EDT
In force
42 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Trumbull County, OH

The radar

The Cleveland radar (KCLE), 90 km from the middle of the area, began a volume at 19:37 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
May 4, 3:49 PM EDTTSTM WND DMG4 Se Warren, OHTRUMBULL COUNTY SHERIFF REPORTED TREES AND POWER LINES DOWN IN HOWLAND TOWNSHIP.
May 4, 3:57 PM EDTTSTM WND DMG2 E Girard, OHTRUMBULL COUNTY SHERIFF REPORTED TREES DOWN IN LIBERTY TOWNSHIP.
May 4, 4:01 PM EDTTSTM WND DMGHubbard, OHTRUMBULL COUNTY SHERIFF REPORTED A POWER POLE SHEARED DOWN ON OAK KNOLL DRIVE IN HUBBARD.

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
May 4, 1:22 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Pittsburgh, PA (KAGC), launched 12:00Z, 7.6 hours before the alert went out and 111 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 2018-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 21 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 2018-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 291 square meters per square second.19395878Sfc1 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
21 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
1308 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
291 m²/s²
0-3 km storm-relative helicity
305 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

375 
WUUS51 KCLE 041933
SVRCLE
OHC155-042015-
/O.NEW.KCLE.SV.W.0009.180504T1933Z-180504T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
333 PM EDT FRI MAY 4 2018

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Trumbull County in northeastern Ohio...

* Until 415 PM EDT

* At 333 PM EDT, a severe thunderstorm was located near Bristolville,
  or near Warren, moving northeast at 55 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...
  Warren, Niles, Hubbard, Cortland, Newton Falls, Lordstown, Kinsman,
  Vienna Center, Hilltop, Maplewood Park, Bristolville, Leavittsburg,
  Girard, Vienna, McDonald, Mecca, Johnston, Orangeville, Yankee Lake
  and Churchill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4114 8100 4134 8100 4150 8052 4114 8052
TIME...MOT...LOC 1933Z 240DEG 47KT 4131 8086 

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

LaPlante
2 follow-up statements
883 
WWUS51 KCLE 042000
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
400 PM EDT FRI MAY 4 2018

OHC155-042015-
/O.CON.KCLE.SV.W.0009.000000T0000Z-180504T2015Z/
Trumbull OH-
400 PM EDT FRI MAY 4 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR SOUTHEASTERN TRUMBULL COUNTY...

At 400 PM EDT, a severe thunderstorm was located near Maplewood Park,
or near Youngstown, moving east at 60 mph.

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

SOURCE...Radar indicated. 

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

Locations impacted include...
Warren, Niles, Hubbard, Lordstown, Vienna Center, Hilltop, Maplewood
Park, Girard, Vienna, McDonald, Orangeville, Yankee Lake, Brookfield
Center, Churchill, Howland Center, Bolindale, West Hill and Mineral
Ridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4114 8082 4123 8083 4137 8052 4114 8052
TIME...MOT...LOC 2000Z 257DEG 53KT 4117 8066 

HAIL...0.75IN
WIND...60MPH
 
$$

King
951 
WWUS51 KCLE 042014
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
414 PM EDT FRI MAY 4 2018

OHC155-042024-
/O.EXP.KCLE.SV.W.0009.000000T0000Z-180504T2015Z/
Trumbull OH-
414 PM EDT FRI MAY 4 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TRUMBULL COUNTY
WILL EXPIRE AT 415 PM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

A severe thunderstorm watch remains in effect until 700 PM EDT for
northeastern Ohio.

LAT...LON 4114 8082 4123 8083 4137 8052 4114 8052
TIME...MOT...LOC 2014Z 240DEG 47KT 4126 8045 

$$

King

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 9:01 PM EDTSmall Craft AdvisoryCLE7 hr
May 4, 3:34 AM EDTWind AdvisoryCLEAshland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 22 more14 hr
May 4, 4:11 AM EDTGale WarningCLE15 hr
May 4, 9:32 AM EDTLow Water AdvisoryCLE8 hr
May 4, 1:15 PM EDTSevere Thunderstorm WarningCLELucas, Ottawa, Wood45 min
May 4, 1:17 PM EDTSpecial Marine WarningCLE88 min
May 4, 1:29 PM EDTSpecial Marine WarningCLE2 hr
May 4, 2:03 PM EDTSpecial Marine WarningCLE97 min
May 4, 2:57 PM EDTSevere Thunderstorm WarningCLEAshland, Medina, Richland, Summit, Wayne45 min
May 4, 3:02 PM EDTSevere Thunderstorm WarningCLEMarion, Morrow43 min
May 4, 3:18 PM EDTSevere Thunderstorm WarningCLEPortage42 min
May 4, 3:21 PM EDTSevere Thunderstorm WarningCLECrawford, Richland24 min
May 4, 3:23 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Lake18 min
May 4, 3:36 PM EDTSevere Thunderstorm WarningCLEAshland, Knox, Richland23 min
May 4, 6:52 PM EDTSmall Craft AdvisoryCLE2 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2018Every severe thunderstorm warning in 2018

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.